diff options
953 files changed, 9112 insertions, 9431 deletions
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index a917d9a7d55..bce88472f96 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -181,70 +181,70 @@ jobs: - ARM64 - linux - name: arm-android - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: armhf-gnu - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-aarch64-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-android - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-arm-linux os: ubuntu-20.04-16core-64gb env: {} - name: dist-armhf-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-armv7-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-i586-gnu-i586-i686-musl - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-i686-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-mips-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-mips64-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-mips64el-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-mipsel-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-powerpc-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-powerpc64-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-powerpc64le-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-riscv64-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-s390x-linux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-various-1 - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-various-2 - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-x86_64-freebsd - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-x86_64-illumos - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-x86_64-linux os: ubuntu-20.04-16core-64gb @@ -254,10 +254,10 @@ jobs: IMAGE: dist-x86_64-linux os: ubuntu-20.04-16core-64gb - name: dist-x86_64-musl - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: dist-x86_64-netbsd - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: i686-gnu os: ubuntu-20.04-16core-64gb @@ -266,51 +266,51 @@ jobs: os: ubuntu-20.04-16core-64gb env: {} - name: mingw-check - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: test-various - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: wasm32 - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: x86_64-gnu - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: x86_64-gnu-stable env: IMAGE: x86_64-gnu RUST_CI_OVERRIDE_RELEASE_CHANNEL: stable CI_ONLY_WHEN_CHANNEL: nightly - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb - name: x86_64-gnu-aux - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: x86_64-gnu-debug - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: x86_64-gnu-distcheck - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: x86_64-gnu-llvm-15 env: RUST_BACKTRACE: 1 - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb - name: x86_64-gnu-llvm-14 env: RUST_BACKTRACE: 1 - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb - name: x86_64-gnu-llvm-14-stage1 env: RUST_BACKTRACE: 1 - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb - name: x86_64-gnu-nopt - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb env: {} - name: x86_64-gnu-tools env: DEPLOY_TOOLSTATES_JSON: toolstates-linux.json - os: ubuntu-20.04-16core-64gb + os: ubuntu-20.04-8core-32gb - name: dist-x86_64-apple env: SCRIPT: "./x.py dist bootstrap --include-default-paths --host=x86_64-apple-darwin --target=x86_64-apple-darwin" diff --git a/Cargo.lock b/Cargo.lock index b5932607128..da2e483fe61 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -42,7 +42,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "bf6ccdb167abbf410dcb915cabd428929d7f6a04980b54a11f26a39f1c7f7107" dependencies = [ "cfg-if", - "getrandom", "once_cell", "version_check", ] @@ -108,7 +107,7 @@ dependencies = [ "anstyle-parse", "anstyle-wincon", "concolor-override", - "concolor-query 0.3.3", + "concolor-query", "is-terminal", "utf8parse", ] @@ -154,12 +153,6 @@ dependencies = [ ] [[package]] -name = "arc-swap" -version = "1.6.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bddcadddf5e9015d310179a59bb28c4d4b9920ad0f11e8e14dbadf654890c9a6" - -[[package]] name = "array_tool" version = "1.0.3" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -167,12 +160,6 @@ checksum = "8f8cb5d814eb646a863c4f24978cff2880c4be96ad8cde2c0f0678732902e271" [[package]] name = "arrayvec" -version = "0.5.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "23b62fc65de8e4e7f52534fb52b0f3ed04746ae267519eef2a83941e8085068b" - -[[package]] -name = "arrayvec" version = "0.7.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5a2f58b0bb10c380af2b26e57212856b8c9a59e0925b4c20f4a174a49734eaf7" @@ -242,24 +229,6 @@ dependencies = [ ] [[package]] -name = "base16ct" -version = "0.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "349a06037c7bf932dd7e7d1f653678b2038b9ad46a74102f1fc7bd7872678cce" - -[[package]] -name = "base64" -version = "0.21.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a4a4ddaa51a5bc52a6948f74c06d20aaaddb71924eab79b8c97a8c556e942d6a" - -[[package]] -name = "base64ct" -version = "1.5.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b645a089122eccb6111b4f81cbc1a49f5900ac4666bb93ac027feaecf15607bf" - -[[package]] name = "basic-toml" version = "0.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -275,15 +244,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a" [[package]] -name = "bitmaps" -version = "2.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "031043d04099746d8db04daf1fa424b2bc8bd69d92b25962dcde24da39ab64a2" -dependencies = [ - "typenum", -] - -[[package]] name = "block-buffer" version = "0.10.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -316,15 +276,6 @@ dependencies = [ ] [[package]] -name = "btoi" -version = "0.4.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9dd6407f73a9b8b6162d8a2ef999fe6afd7cc15902ebf42c5cd296addf17e0ad" -dependencies = [ - "num-traits", -] - -[[package]] name = "build-manifest" version = "0.1.0" dependencies = [ @@ -336,7 +287,7 @@ dependencies = [ "serde_json", "sha2", "tar", - "toml 0.5.7", + "toml", ] [[package]] @@ -352,16 +303,10 @@ dependencies = [ "indexmap", "serde", "serde_json", - "toml 0.5.7", + "toml", ] [[package]] -name = "bumpalo" -version = "3.11.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "572f695136211188308f16ad2ca5c851a712c464060ae6974944458eb83880ba" - -[[package]] name = "bytecount" version = "0.6.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -377,12 +322,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040" [[package]] -name = "bytesize" -version = "1.0.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "81a18687293a1546b67c246452202bbbf143d239cb43494cc163da14979082da" - -[[package]] name = "camino" version = "1.0.9" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -392,108 +331,6 @@ dependencies = [ ] [[package]] -name = "cargo" -version = "0.71.0" -dependencies = [ - "anyhow", - "base64", - "bytesize", - "cargo-platform 0.1.2", - "cargo-test-macro", - "cargo-test-support", - "cargo-util", - "clap 4.2.1", - "crates-io", - "curl", - "curl-sys", - "env_logger 0.10.0", - "filetime", - "flate2", - "fwdansi", - "git2", - "git2-curl", - "gix", - "gix-features", - "glob", - "hex", - "hmac", - "home", - "http-auth", - "humantime 2.0.1", - "ignore", - "im-rc", - "indexmap", - "is-terminal", - "itertools", - "jobserver", - "lazy_static", - "lazycell", - "libc", - "libgit2-sys", - "log", - "memchr", - "opener", - "openssl", - "os_info", - "pasetors", - "pathdiff", - "pretty_env_logger", - "rand", - "rustc-workspace-hack", - "rustfix", - "same-file", - "semver", - "serde", - "serde-value", - "serde_ignored", - "serde_json", - "sha1", - "shell-escape", - "snapbox", - "strip-ansi-escapes", - "tar", - "tempfile", - "termcolor", - "time 0.3.17", - "toml 0.7.2", - "toml_edit", - "unicode-width", - "unicode-xid", - "url", - "walkdir", - "windows-sys 0.45.0", -] - -[[package]] -name = "cargo-credential" -version = "0.2.0" - -[[package]] -name = "cargo-credential-1password" -version = "0.2.0" -dependencies = [ - "cargo-credential", - "serde", - "serde_json", -] - -[[package]] -name = "cargo-credential-macos-keychain" -version = "0.2.0" -dependencies = [ - "cargo-credential", - "security-framework", -] - -[[package]] -name = "cargo-credential-wincred" -version = "0.2.0" -dependencies = [ - "cargo-credential", - "windows-sys 0.45.0", -] - -[[package]] name = "cargo-miri" version = "0.1.0" dependencies = [ @@ -510,13 +347,6 @@ dependencies = [ [[package]] name = "cargo-platform" version = "0.1.2" -dependencies = [ - "serde", -] - -[[package]] -name = "cargo-platform" -version = "0.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "cbdb825da8a5df079a43676dbe042702f1707b1109f713a01420fbb4cc71fa27" dependencies = [ @@ -524,63 +354,13 @@ dependencies = [ ] [[package]] -name = "cargo-test-macro" -version = "0.1.0" - -[[package]] -name = "cargo-test-support" -version = "0.1.0" -dependencies = [ - "anyhow", - "cargo-test-macro", - "cargo-util", - "crates-io", - "filetime", - "flate2", - "git2", - "glob", - "itertools", - "lazy_static", - "pasetors", - "serde", - "serde_json", - "snapbox", - "tar", - "termcolor", - "time 0.3.17", - "toml 0.7.2", - "url", - "windows-sys 0.45.0", -] - -[[package]] -name = "cargo-util" -version = "0.2.4" -dependencies = [ - "anyhow", - "core-foundation", - "filetime", - "hex", - "jobserver", - "libc", - "log", - "miow 0.5.0", - "same-file", - "sha2", - "shell-escape", - "tempfile", - "walkdir", - "windows-sys 0.45.0", -] - -[[package]] name = "cargo_metadata" version = "0.14.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "c297bd3135f558552f99a0daa180876984ea2c4ffa7470314540dff8c654109a" dependencies = [ "camino", - "cargo-platform 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)", + "cargo-platform", "semver", "serde", "serde_json", @@ -593,7 +373,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "08a1ec454bc3eead8719cb56e15dbbfecdbc14e4b3a3ae4936cc6e31f5fc0d07" dependencies = [ "camino", - "cargo-platform 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)", + "cargo-platform", "semver", "serde", "serde_json", @@ -609,9 +389,6 @@ name = "cc" version = "1.0.77" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "e9f73505338f7d905b19d18738976aae232eb46b8efc15554ffc56deb5d9ebe4" -dependencies = [ - "jobserver", -] [[package]] name = "cfg-if" @@ -687,7 +464,7 @@ dependencies = [ "num-integer", "num-traits", "serde", - "time 0.1.43", + "time", "winapi", ] @@ -809,7 +586,7 @@ dependencies = [ "termize", "tester", "tokio", - "toml 0.5.7", + "toml", "walkdir", ] @@ -830,7 +607,7 @@ dependencies = [ name = "clippy_lints" version = "0.1.70" dependencies = [ - "arrayvec 0.7.0", + "arrayvec", "cargo_metadata 0.15.3", "clippy_utils", "declare_clippy_lint", @@ -844,7 +621,7 @@ dependencies = [ "serde", "serde_json", "tempfile", - "toml 0.5.7", + "toml", "unicode-normalization", "unicode-script", "url", @@ -854,19 +631,13 @@ dependencies = [ name = "clippy_utils" version = "0.1.70" dependencies = [ - "arrayvec 0.7.0", + "arrayvec", "if_chain", "itertools", "rustc-semver", ] [[package]] -name = "clru" -version = "0.6.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b8191fa7302e03607ff0e237d4246cc043ff5b3cb9409d995172ba3bea16b807" - -[[package]] name = "collect-license-metadata" version = "0.1.0" dependencies = [ @@ -946,7 +717,7 @@ dependencies = [ "tracing-subscriber", "unified-diff", "walkdir", - "windows 0.46.0", + "windows", ] [[package]] @@ -973,17 +744,6 @@ dependencies = [ ] [[package]] -name = "concolor" -version = "0.0.9" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b90f9dcd9490a97db91a85ccd79e38a87e14323f0bb824659ee3274e9143ba37" -dependencies = [ - "atty", - "bitflags", - "concolor-query 0.1.0", -] - -[[package]] name = "concolor-override" version = "1.0.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -991,12 +751,6 @@ checksum = "a855d4a1978dc52fb0536a04d384c2c0c1aa273597f08b77c8c4d3b2eec6037f" [[package]] name = "concolor-query" -version = "0.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "82a90734b3d5dcf656e7624cca6bce9c3a90ee11f900e80141a7427ccfb3d317" - -[[package]] -name = "concolor-query" version = "0.3.3" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "88d11d52c3d7ca2e6d0040212be9e4dbbcd78b6447f535b6b561f449427944cf" @@ -1005,21 +759,6 @@ dependencies = [ ] [[package]] -name = "const-oid" -version = "0.9.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cec318a675afcb6a1ea1d4340e2d377e56e47c266f28043ceccbf4412ddfdd3b" - -[[package]] -name = "content_inspector" -version = "0.2.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b7bda66e858c683005a53a9a60c69a4aca7eeaa45d124526e389f7aec8e62f38" -dependencies = [ - "memchr", -] - -[[package]] name = "convert_case" version = "0.4.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1034,22 +773,6 @@ dependencies = [ ] [[package]] -name = "core-foundation" -version = "0.9.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3b5ed8e7e76c45974e15e41bfa8d5b0483cd90191639e01d8f5f1e606299d3fb" -dependencies = [ - "core-foundation-sys", - "libc", -] - -[[package]] -name = "core-foundation-sys" -version = "0.8.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "9a21fa21941700a3cd8fcb4091f361a6a712fac632f85d9f487cc892045d55c6" - -[[package]] name = "coverage_test_macros" version = "0.0.0" @@ -1063,18 +786,6 @@ dependencies = [ ] [[package]] -name = "crates-io" -version = "0.36.0" -dependencies = [ - "anyhow", - "curl", - "percent-encoding", - "serde", - "serde_json", - "url", -] - -[[package]] name = "crc32fast" version = "1.3.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1127,18 +838,6 @@ dependencies = [ ] [[package]] -name = "crypto-bigint" -version = "0.4.9" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ef2b4b23cddf68b89b8f8069890e8c270d54e2d5fe1b143820234805e4cb17ef" -dependencies = [ - "generic-array", - "rand_core", - "subtle", - "zeroize", -] - -[[package]] name = "crypto-common" version = "0.1.6" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1159,22 +858,6 @@ dependencies = [ ] [[package]] -name = "ct-codecs" -version = "1.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f3b7eb4404b8195a9abb6356f4ac07d8ba267045c8d6d220ac4dc992e6cc75df" - -[[package]] -name = "ctor" -version = "0.1.26" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6d2301688392eb071b0bf1a37be05c469d3cc4dbbd95df672fe28ab021e6a096" -dependencies = [ - "quote", - "syn 1.0.102", -] - -[[package]] name = "curl" version = "0.4.44" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1197,7 +880,6 @@ checksum = "14d05c10f541ae6f3bc5b3d923c20001f47db7d5f0b2bc6ad16490133842db79" dependencies = [ "cc", "libc", - "libnghttp2-sys", "libz-sys", "openssl-sys", "pkg-config", @@ -1221,17 +903,6 @@ dependencies = [ ] [[package]] -name = "der" -version = "0.6.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f1a467a65c5e759bce6e65eaf91cc29f466cdc57cb65777bd646872a8a1fd4de" -dependencies = [ - "const-oid", - "pem-rfc7468", - "zeroize", -] - -[[package]] name = "derive-new" version = "0.5.8" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1269,7 +940,6 @@ checksum = "8168378f4e5023e7218c89c891c0fd8ecdb5e5e4f18cb78f38cf245dd021e76f" dependencies = [ "block-buffer", "crypto-common", - "subtle", ] [[package]] @@ -1351,33 +1021,6 @@ dependencies = [ ] [[package]] -name = "dunce" -version = "1.0.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0bd4b30a6560bbd9b4620f4de34c3f14f60848e58a9b7216801afcb4c7b31c3c" - -[[package]] -name = "ecdsa" -version = "0.14.8" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "413301934810f597c1d19ca71c8710e99a3f1ba28a0d2ebc01551a2daeea3c5c" -dependencies = [ - "der", - "elliptic-curve", - "rfc6979", - "signature", -] - -[[package]] -name = "ed25519-compact" -version = "2.0.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6a3d382e8464107391c8706b4c14b087808ecb909f6c15c34114bc42e53a9e4c" -dependencies = [ - "getrandom", -] - -[[package]] name = "either" version = "1.6.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1396,28 +1039,6 @@ dependencies = [ ] [[package]] -name = "elliptic-curve" -version = "0.12.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e7bb888ab5300a19b8e5bceef25ac745ad065f3c9f7efc6de1b91958110891d3" -dependencies = [ - "base16ct", - "crypto-bigint", - "der", - "digest", - "ff", - "generic-array", - "group", - "hkdf", - "pem-rfc7468", - "pkcs8", - "rand_core", - "sec1", - "subtle", - "zeroize", -] - -[[package]] name = "elsa" version = "1.7.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1547,22 +1168,6 @@ dependencies = [ ] [[package]] -name = "ff" -version = "0.12.1" -source = 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"registry+https://github.com/rust-lang/crates.io-index" -checksum = "d73c6b64cb5b99eb63ca97d378685712617ec0172ff5c04cd47a489d3e2c51f8" -dependencies = [ - "parking_lot 0.12.1", -] - -[[package]] name = "profiler_builtins" version = "0.0.0" dependencies = [ @@ -3979,12 +2604,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0" [[package]] -name = "quick-error" -version = "2.0.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a993555f31e5a609f617c12db6250dedcac1b0a85076912c436e6fc9b2c8e6a3" - -[[package]] name = "quine-mc_cluskey" version = "0.2.4" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -4151,21 +2770,9 @@ dependencies = [ ] [[package]] -name = "rfc6979" -version = "0.3.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "7743f17af12fa0b03b803ba12cd6a8d9483a587e89c69445e3909655c0b9fabb" -dependencies = [ - "crypto-bigint", - "hmac", - "zeroize", -] - -[[package]] name = "rls" version = "2.0.0" dependencies = [ - "rustc-workspace-hack", "serde", "serde_json", ] @@ -4277,22 +2884,8 @@ dependencies = [ [[package]] name = "rustc-workspace-hack" version = "1.0.0" -dependencies = [ - "bstr 0.2.17", - "clap 3.2.20", - "getrandom", - "hashbrown 0.12.3", - "libc", - "libz-sys", - "once_cell", - "rand", - "regex", - "serde_json", - "smallvec", - "syn 1.0.102", - "url", - "winapi", -] +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "fc71d2faa173b74b232dedc235e3ee1696581bb132fc116fa3626d6151a1a8fb" [[package]] name = "rustc_abi" @@ -4423,7 +3016,6 @@ dependencies = [ "either", "itertools", "polonius-engine", - "rustc_const_eval", "rustc_data_structures", "rustc_errors", "rustc_graphviz", @@ -4570,16 +3162,17 @@ dependencies = [ name = "rustc_data_structures" version = "0.0.0" dependencies = [ - "arrayvec 0.7.0", + "arrayvec", "bitflags", "cfg-if", "elsa", "ena", "indexmap", + "itertools", "jobserver", "libc", "measureme", - "memmap2 0.2.1", + "memmap2", "parking_lot 0.11.2", "rustc-hash", "rustc-rayon", @@ -4588,14 +3181,13 @@ dependencies = [ "rustc_index", "rustc_macros", "rustc_serialize", - "serde_json", "smallvec", "stable_deref_trait", "stacker", "tempfile", "thin-vec", "tracing", - "windows 0.46.0", + "windows", ] [[package]] @@ -4654,7 +3246,7 @@ dependencies = [ "rustc_ty_utils", "serde_json", "tracing", - "windows 0.46.0", + "windows", ] [[package]] @@ -4702,7 +3294,7 @@ dependencies = [ "termize", "tracing", "unicode-width", - "windows 0.46.0", + "windows", ] [[package]] @@ -4776,7 +3368,7 @@ dependencies = [ "rustc_hir", "rustc_index", "rustc_infer", - "rustc_lint", + "rustc_lint_defs", "rustc_macros", "rustc_middle", "rustc_session", @@ -4850,7 +3442,7 @@ dependencies = [ name = "rustc_index" version = "0.0.0" dependencies = [ - "arrayvec 0.7.0", + "arrayvec", "rustc_macros", "rustc_serialize", "smallvec", @@ -5345,7 +3937,7 @@ dependencies = [ "smallvec", "termize", "tracing", - "windows 0.46.0", + "windows", ] [[package]] @@ -5522,7 +4114,7 @@ dependencies = [ name = "rustdoc" version = "0.0.0" dependencies = [ - "arrayvec 0.7.0", + "arrayvec", "askama", "expect-test", "itertools", @@ -5607,7 +4199,7 @@ dependencies = [ "serde_json", "term", "thiserror", - "toml 0.5.7", + "toml", "unicode-segmentation", "unicode-width", "unicode_categories", @@ -5671,43 +4263,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd" [[package]] -name = "sec1" -version = "0.3.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3be24c1842290c45df0a7bf069e0c268a747ad05a192f2fd7dcfdbc1cba40928" -dependencies = [ - "base16ct", - "der", - "generic-array", - "pkcs8", - "subtle", - "zeroize", -] - -[[package]] -name = "security-framework" -version = "2.0.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c1759c2e3c8580017a484a7ac56d3abc5a6c1feadf88db2f3633f12ae4268c69" -dependencies = [ - "bitflags", - "core-foundation", - "core-foundation-sys", - "libc", - "security-framework-sys", -] - -[[package]] -name = "security-framework-sys" -version = "2.0.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f99b9d5e26d2a71633cc4f2ebae7cc9f874044e0c351a27e17892d76dce5678b" -dependencies = [ - "core-foundation-sys", - "libc", -] - -[[package]] name = "self_cell" version = "0.10.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5732,16 +4287,6 @@ dependencies = [ ] [[package]] -name = "serde-value" -version = "0.7.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f3a1a3341211875ef120e117ea7fd5228530ae7e7036a779fdc9117be6b3282c" -dependencies = [ - "ordered-float", - "serde", -] - -[[package]] name = "serde_derive" version = "1.0.159" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5753,15 +4298,6 @@ dependencies = [ ] [[package]] -name = "serde_ignored" -version = "0.1.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1c2c7d39d14f2f2ea82239de71594782f186fd03501ac81f0ce08e674819ff2f" -dependencies = [ - "serde", -] - -[[package]] name = "serde_json" version = "1.0.85" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5774,15 +4310,6 @@ dependencies = [ ] [[package]] -name = "serde_spanned" -version = "0.6.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "0efd8caf556a6cebd3b285caf480045fcc1ac04f6bd786b09a6f11af30c4fcf4" -dependencies = [ - "serde", -] - -[[package]] name = "sha1" version = "0.10.5" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5794,12 +4321,6 @@ dependencies = [ ] [[package]] -name = "sha1_smol" -version = "1.0.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "ae1a47186c03a32177042e55dbc5fd5aee900b8e0069a8d70fba96a9375cd012" - -[[package]] name = "sha2" version = "0.10.6" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5832,57 +4353,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "42a568c8f2cd051a4d283bd6eb0343ac214c1b0f1ac19f93e1175b2dee38c73d" [[package]] -name = "signal-hook" -version = "0.3.15" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "732768f1176d21d09e076c23a93123d40bba92d50c4058da34d45c8de8e682b9" -dependencies = [ - "libc", - "signal-hook-registry", -] - -[[package]] -name = "signal-hook-registry" -version = "1.4.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d8229b473baa5980ac72ef434c4415e70c4b5e71b423043adb4ba059f89c99a1" -dependencies = [ - "libc", -] - -[[package]] -name = "signature" -version = "1.6.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "74233d3b3b2f6d4b006dc19dee745e73e2a6bfb6f93607cd3b02bd5b00797d7c" -dependencies = [ - "digest", - "rand_core", -] - -[[package]] -name = "similar" -version = "2.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2e24979f63a11545f5f2c60141afe249d4f19f84581ea2138065e400941d83d3" - -[[package]] name = "siphasher" version = "0.3.3" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "fa8f3741c7372e75519bd9346068370c9cdaabcc1f9599cbcf2a2719352286b7" [[package]] -name = "sized-chunks" -version = "0.6.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "65e65d6a9f13cd78f361ea5a2cf53a45d67cdda421ba0316b9be101560f3d207" -dependencies = [ - "bitmaps", - "typenum", -] - -[[package]] name = "slab" version = "0.4.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5901,30 +4377,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5e9f0ab6ef7eb7353d9119c170a436d1bf248eea575ac42d19d12f4e34130831" [[package]] -name = "snapbox" -version = "0.4.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "827c00e91b15e2674d8a5270bae91f898693cbf9561cbb58d8eaa31974597293" -dependencies = [ - "concolor", - "content_inspector", - "dunce", - "filetime", - "normalize-line-endings", - "similar", - "snapbox-macros", - "tempfile", - "walkdir", - "yansi", -] - -[[package]] -name = "snapbox-macros" -version = "0.3.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8a253e6f894cfa440cba00600a249fa90869d8e0ec45ab274a456e043a0ce8f2" - -[[package]] name = "socket2" version = "0.4.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -5964,16 +4416,6 @@ dependencies = [ ] [[package]] -name = "spki" -version = "0.6.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "67cf02bbac7a337dc36e4f5a693db6c21e7863f45070f7064577eb4367a3212b" -dependencies = [ - "base64ct", - "der", -] - -[[package]] name = "stable_deref_trait" version = "1.2.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -6063,15 +4505,6 @@ dependencies = [ ] [[package]] -name = "strip-ansi-escapes" -version = "0.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "011cbb39cf7c1f62871aea3cc46e5817b0937b49e9447370c93cacbe93a766d8" -dependencies = [ - "vte", -] - -[[package]] name = "strsim" version = "0.10.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -6097,10 +4530,13 @@ dependencies = [ ] [[package]] -name = "subtle" -version = "2.4.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601" +name = "suggest-tests" +version = "0.1.0" +dependencies = [ + "build_helper", + "glob", + "once_cell", +] [[package]] name = "syn" @@ -6315,7 +4751,7 @@ dependencies = [ name = "tidy" version = "0.1.0" dependencies = [ - "cargo-platform 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)", + "cargo-platform", "cargo_metadata 0.15.3", "ignore", "lazy_static", @@ -6341,35 +4777,6 @@ dependencies = [ ] [[package]] -name = "time" -version = "0.3.17" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "a561bf4617eebd33bca6434b988f39ed798e527f51a1e797d0ee4f61c0a38376" -dependencies = [ - "itoa", - "libc", - "num_threads", - "serde", - "time-core", - "time-macros", -] - -[[package]] -name = "time-core" -version = "0.1.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd" - -[[package]] -name = "time-macros" -version = "0.2.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d967f99f534ca7e495c575c62638eebc2898a8c84c119b89e250477bc4ba16b2" -dependencies = [ - "time-core", -] - -[[package]] name = "tinystr" version = "0.7.1" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -6416,40 +4823,6 @@ dependencies = [ ] [[package]] -name = "toml" -version = "0.7.2" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f7afcae9e3f0fe2c370fd4657108972cbb2fa9db1b9f84849cefd80741b01cb6" -dependencies = [ - "serde", - "serde_spanned", - "toml_datetime", - "toml_edit", -] - -[[package]] -name = "toml_datetime" -version = "0.6.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3ab8ed2edee10b50132aed5f331333428b011c99402b5a534154ed15746f9622" -dependencies = [ - "serde", -] - -[[package]] -name = "toml_edit" -version = "0.19.3" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5e6a7712b49e1775fb9a7b998de6635b299237f48b404dde71704f2e0e7f37e5" -dependencies = [ - "indexmap", - "nom8", - "serde", - "serde_spanned", - "toml_datetime", -] - -[[package]] name = "topological-sort" version = "0.2.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -6713,12 +5086,6 @@ dependencies = [ ] [[package]] -name = "unicode-bom" -version = "1.1.4" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "63ec69f541d875b783ca40184d655f2927c95f0bffd486faa83cd3ac3529ec32" - -[[package]] name = "unicode-ident" version = "1.0.5" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -6859,27 +5226,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f" [[package]] -name = "vte" -version = "0.10.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6cbce692ab4ca2f1f3047fcf732430249c0e971bfdd2b234cf2c47ad93af5983" -dependencies = [ - "arrayvec 0.5.2", - "utf8parse", - "vte_generate_state_changes", -] - -[[package]] -name = "vte_generate_state_changes" -version = "0.1.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d257817081c7dffcdbab24b9e62d2def62e2ff7d00b1c20062551e6cccc145ff" -dependencies = [ - "proc-macro2", - "quote", -] - -[[package]] name = "walkdir" version = "2.3.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -6902,60 +5248,6 @@ dependencies = [ ] [[package]] -name = "wasm-bindgen" -version = "0.2.83" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "eaf9f5aceeec8be17c128b2e93e031fb8a4d469bb9c4ae2d7dc1888b26887268" -dependencies = [ - "cfg-if", - "wasm-bindgen-macro", -] - -[[package]] -name = "wasm-bindgen-backend" -version = "0.2.83" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4c8ffb332579b0557b52d268b91feab8df3615f265d5270fec2a8c95b17c1142" -dependencies = [ - "bumpalo", - "log", - "once_cell", - "proc-macro2", - "quote", - "syn 1.0.102", - "wasm-bindgen-shared", -] - -[[package]] -name = "wasm-bindgen-macro" -version = "0.2.83" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "052be0f94026e6cbc75cdefc9bae13fd6052cdcaf532fa6c45e7ae33a1e6c810" -dependencies = [ - "quote", - "wasm-bindgen-macro-support", -] - -[[package]] -name = "wasm-bindgen-macro-support" -version = "0.2.83" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "07bc0c051dc5f23e307b13285f9d75df86bfdf816c5721e573dec1f9b8aa193c" -dependencies = [ - "proc-macro2", - "quote", - "syn 1.0.102", - "wasm-bindgen-backend", - "wasm-bindgen-shared", -] - -[[package]] -name = "wasm-bindgen-shared" -version = "0.2.83" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f" - -[[package]] name = "winapi" version = "0.3.9" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -6988,21 +5280,6 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f" [[package]] name = "windows" -version = "0.43.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "04662ed0e3e5630dfa9b26e4cb823b817f1a9addda855d973a9458c236556244" -dependencies = [ - "windows_aarch64_gnullvm", - "windows_aarch64_msvc", - "windows_i686_gnu", - "windows_i686_msvc", - "windows_x86_64_gnu", - "windows_x86_64_gnullvm", - "windows_x86_64_msvc", -] - -[[package]] -name = "windows" version = "0.46.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "cdacb41e6a96a052c6cb63a144f24900236121c6f63f4f8219fef5977ecb0c25" @@ -7136,12 +5413,6 @@ dependencies = [ ] [[package]] -name = "yansi" -version = "0.5.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "09041cd90cf85f7f8b2df60c646f853b7f535ce68f85244eb6731cf89fa498ec" - -[[package]] name = "yansi-term" version = "0.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -7196,12 +5467,6 @@ dependencies = [ ] [[package]] -name = "zeroize" -version = "1.5.7" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "c394b5bd0c6f669e7275d9c20aa90ae064cb22e75a1cad54e1b34088034b149f" - -[[package]] name = "zerovec" version = "0.9.2" source = "registry+https://github.com/rust-lang/crates.io-index" diff --git a/Cargo.toml b/Cargo.toml index 15cbb2659c9..a497d7321e0 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -22,12 +22,6 @@ members = [ "src/tools/remote-test-server", "src/tools/rust-installer", "src/tools/rust-demangler", - "src/tools/cargo", - "src/tools/cargo/crates/credential/cargo-credential-1password", - "src/tools/cargo/crates/credential/cargo-credential-macos-keychain", - "src/tools/cargo/crates/credential/cargo-credential-wincred", - "src/tools/cargo/crates/mdman", - # "src/tools/cargo/crates/resolver-tests", "src/tools/rustdoc", "src/tools/rls", "src/tools/rustfmt", @@ -44,6 +38,7 @@ members = [ "src/tools/lld-wrapper", "src/tools/collect-license-metadata", "src/tools/generate-copyright", + "src/tools/suggest-tests", ] exclude = [ @@ -105,10 +100,6 @@ miniz_oxide.debug = 0 object.debug = 0 [patch.crates-io] -# See comments in `src/tools/rustc-workspace-hack/README.md` for what's going on -# here -rustc-workspace-hack = { path = 'src/tools/rustc-workspace-hack' } - # See comments in `library/rustc-std-workspace-core/README.md` for what's going on # here rustc-std-workspace-core = { path = 'library/rustc-std-workspace-core' } diff --git a/RELEASES.md b/RELEASES.md index b923f87abfd..b89178a6f68 100644 --- a/RELEASES.md +++ b/RELEASES.md @@ -1,3 +1,105 @@ +Version 1.69.0 (2023-04-20) +========================== + +<a id="1.69.0-Language"></a> + +Language +-------- + +- [Deriving built-in traits on packed structs works with `Copy` fields.](https://github.com/rust-lang/rust/pull/104429/) +- [Stabilize the `cmpxchg16b` target feature on x86 and x86_64.](https://github.com/rust-lang/rust/pull/106774/) +- [Improve analysis of trait bounds for associated types.](https://github.com/rust-lang/rust/pull/103695/) +- [Allow associated types to be used as union fields.](https://github.com/rust-lang/rust/pull/106938/) +- [Allow `Self: Autotrait` bounds on dyn-safe trait methods.](https://github.com/rust-lang/rust/pull/107082/) +- [Treat `str` as containing `[u8]` for auto trait purposes.](https://github.com/rust-lang/rust/pull/107941/) + +<a id="1.69.0-Compiler"></a> + +Compiler +-------- + +- [Upgrade `*-pc-windows-gnu` on CI to mingw-w64 v10 and GCC 12.2.](https://github.com/rust-lang/rust/pull/100178/) +- [Rework min_choice algorithm of member constraints.](https://github.com/rust-lang/rust/pull/105300/) +- [Support `true` and `false` as boolean flags in compiler arguments.](https://github.com/rust-lang/rust/pull/107043/) +- [Default `repr(C)` enums to `c_int` size.](https://github.com/rust-lang/rust/pull/107592/) + +<a id="1.69.0-Libraries"></a> + +Libraries +--------- + +- [Implement the unstable `DispatchFromDyn` for cell types, allowing downstream experimentation with custom method receivers.](https://github.com/rust-lang/rust/pull/97373/) +- [Document that `fmt::Arguments::as_str()` may return `Some(_)` in more cases after optimization, subject to change.](https://github.com/rust-lang/rust/pull/106823/) +- [Implement `AsFd` and `AsRawFd` for `Rc`.](https://github.com/rust-lang/rust/pull/107317/) + +<a id="1.69.0-Stabilized-APIs"></a> + +Stabilized APIs +--------------- + +- [`CStr::from_bytes_until_nul`](https://doc.rust-lang.org/stable/core/ffi/struct.CStr.html#method.from_bytes_until_nul) +- [`core::ffi::FromBytesUntilNulError`](https://doc.rust-lang.org/stable/core/ffi/struct.FromBytesUntilNulError.html) + +These APIs are now stable in const contexts: + +- [`SocketAddr::new`](https://doc.rust-lang.org/stable/std/net/enum.SocketAddr.html#method.new) +- [`SocketAddr::ip`](https://doc.rust-lang.org/stable/std/net/enum.SocketAddr.html#method.ip) +- [`SocketAddr::port`](https://doc.rust-lang.org/stable/std/net/enum.SocketAddr.html#method.port) +- [`SocketAddr::is_ipv4`](https://doc.rust-lang.org/stable/std/net/enum.SocketAddr.html#method.is_ipv4) +- [`SocketAddr::is_ipv6`](https://doc.rust-lang.org/stable/std/net/enum.SocketAddr.html#method.is_ipv6) +- [`SocketAddrV4::new`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV4.html#method.new) +- [`SocketAddrV4::ip`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV4.html#method.ip) +- [`SocketAddrV4::port`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV4.html#method.port) +- [`SocketAddrV6::new`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV6.html#method.new) +- [`SocketAddrV6::ip`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV6.html#method.ip) +- [`SocketAddrV6::port`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV6.html#method.port) +- [`SocketAddrV6::flowinfo`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV6.html#method.flowinfo) +- [`SocketAddrV6::scope_id`](https://doc.rust-lang.org/stable/std/net/struct.SocketAddrV6.html#method.scope_id) + +<a id="1.69.0-Cargo"></a> + +Cargo +----- + +- [Cargo now suggests `cargo fix` or `cargo clippy --fix` when compilation warnings are auto-fixable.](https://github.com/rust-lang/cargo/pull/11558/) +- [Cargo now suggests `cargo add` if you try to install a library crate.](https://github.com/rust-lang/cargo/pull/11410/) +- [Cargo now sets the `CARGO_BIN_NAME` environment variable also for binary examples.](https://github.com/rust-lang/cargo/pull/11705/) + +<a id="1.69.0-Rustdoc"></a> + +Rustdoc +----- + +- [Vertically compact trait bound formatting.](https://github.com/rust-lang/rust/pull/102842/) +- [Only include stable lints in `rustdoc::all` group.](https://github.com/rust-lang/rust/pull/106316/) +- [Compute maximum Levenshtein distance based on the query.](https://github.com/rust-lang/rust/pull/107141/) +- [Remove inconsistently-present sidebar tooltips.](https://github.com/rust-lang/rust/pull/107490/) +- [Search by macro when query ends with `!`.](https://github.com/rust-lang/rust/pull/108143/) + +<a id="1.69.0-Compatibility-Notes"></a> + +Compatibility Notes +------------------- + +- [The `rust-analysis` component from `rustup` now only contains a warning placeholder.](https://github.com/rust-lang/rust/pull/101841/) This was primarily intended for RLS, and the corresponding `-Zsave-analysis` flag has been removed from the compiler as well. +- [Unaligned references to packed fields are now a hard error.](https://github.com/rust-lang/rust/pull/102513/) This has been a warning since 1.53, and denied by default with a future-compatibility warning since 1.62. +- [Update the minimum external LLVM to 14.](https://github.com/rust-lang/rust/pull/107573/) +- [Cargo now emits errors on invalid characters in a registry token.](https://github.com/rust-lang/cargo/pull/11600/) +- [When `default-features` is set to false of a workspace dependency, and an inherited dependency of a member has `default-features = true`, Cargo will enable default features of that dependency.](https://github.com/rust-lang/cargo/pull/11409/) +- [Cargo denies `CARGO_HOME` in the `[env]` configuration table. Cargo itself doesn't pick up this value, but recursive calls to cargo would, which was not intended.](https://github.com/rust-lang/cargo/pull/11644/) +- [Debuginfo for build dependencies is now off if not explicitly set. This is expected to improve the overall build time.](https://github.com/rust-lang/cargo/pull/11252/) + +<a id="1.69.0-Internal-Changes"></a> + +Internal Changes +---------------- + +These changes do not affect any public interfaces of Rust, but they represent +significant improvements to the performance or internals of rustc and related +tools. + +- [Move `format_args!()` into AST (and expand it during AST lowering)](https://github.com/rust-lang/rust/pull/106745/) + Version 1.68.2 (2023-03-28) =========================== diff --git a/compiler/rustc_abi/src/layout.rs b/compiler/rustc_abi/src/layout.rs index c863acde7b0..2b01aca2ee4 100644 --- a/compiler/rustc_abi/src/layout.rs +++ b/compiler/rustc_abi/src/layout.rs @@ -461,8 +461,8 @@ pub trait LayoutCalculator { let all_indices = variants.indices(); let needs_disc = |index: VariantIdx| index != largest_variant_index && !absent(&variants[index]); - let niche_variants = all_indices.clone().find(|v| needs_disc(*v)).unwrap().index() - ..=all_indices.rev().find(|v| needs_disc(*v)).unwrap().index(); + let niche_variants = all_indices.clone().find(|v| needs_disc(*v)).unwrap() + ..=all_indices.rev().find(|v| needs_disc(*v)).unwrap(); let count = niche_variants.size_hint().1.unwrap() as u128; @@ -560,8 +560,7 @@ pub trait LayoutCalculator { tag: niche_scalar, tag_encoding: TagEncoding::Niche { untagged_variant: largest_variant_index, - niche_variants: (VariantIdx::new(*niche_variants.start()) - ..=VariantIdx::new(*niche_variants.end())), + niche_variants, niche_start, }, tag_field: 0, diff --git a/compiler/rustc_abi/src/lib.rs b/compiler/rustc_abi/src/lib.rs index b0c0ee942ea..402ea6ff48f 100644 --- a/compiler/rustc_abi/src/lib.rs +++ b/compiler/rustc_abi/src/lib.rs @@ -11,7 +11,7 @@ use bitflags::bitflags; use rustc_data_structures::intern::Interned; #[cfg(feature = "nightly")] use rustc_data_structures::stable_hasher::StableOrd; -use rustc_index::vec::{Idx, IndexSlice, IndexVec}; +use rustc_index::vec::{IndexSlice, IndexVec}; #[cfg(feature = "nightly")] use rustc_macros::HashStable_Generic; #[cfg(feature = "nightly")] @@ -665,15 +665,12 @@ impl Align { format!("`{}` is too large", align) } - let mut bytes = align; - let mut pow2: u8 = 0; - while (bytes & 1) == 0 { - pow2 += 1; - bytes >>= 1; - } - if bytes != 1 { + let tz = align.trailing_zeros(); + if align != (1 << tz) { return Err(not_power_of_2(align)); } + + let pow2 = tz as u8; if pow2 > Self::MAX.pow2 { return Err(too_large(align)); } diff --git a/compiler/rustc_ast/src/ast.rs b/compiler/rustc_ast/src/ast.rs index fb9d71b52a8..ab0409efb3b 100644 --- a/compiler/rustc_ast/src/ast.rs +++ b/compiler/rustc_ast/src/ast.rs @@ -167,9 +167,6 @@ pub enum GenericArgs { AngleBracketed(AngleBracketedArgs), /// The `(A, B)` and `C` in `Foo(A, B) -> C`. Parenthesized(ParenthesizedArgs), - /// Associated return type bounds, like `T: Trait<method(..): Send>` - /// which applies the `Send` bound to the return-type of `method`. - ReturnTypeNotation(Span), } impl GenericArgs { @@ -181,7 +178,6 @@ impl GenericArgs { match self { AngleBracketed(data) => data.span, Parenthesized(data) => data.span, - ReturnTypeNotation(span) => *span, } } } @@ -1302,17 +1298,17 @@ impl Expr { /// To a first-order approximation, is this a pattern? pub fn is_approximately_pattern(&self) -> bool { - match &self.peel_parens().kind { + matches!( + &self.peel_parens().kind, ExprKind::Array(_) - | ExprKind::Call(_, _) - | ExprKind::Tup(_) - | ExprKind::Lit(_) - | ExprKind::Range(_, _, _) - | ExprKind::Underscore - | ExprKind::Path(_, _) - | ExprKind::Struct(_) => true, - _ => false, - } + | ExprKind::Call(_, _) + | ExprKind::Tup(_) + | ExprKind::Lit(_) + | ExprKind::Range(_, _, _) + | ExprKind::Underscore + | ExprKind::Path(_, _) + | ExprKind::Struct(_) + ) } } diff --git a/compiler/rustc_ast/src/format.rs b/compiler/rustc_ast/src/format.rs index 356b9bb6371..699946f307b 100644 --- a/compiler/rustc_ast/src/format.rs +++ b/compiler/rustc_ast/src/format.rs @@ -94,7 +94,7 @@ impl FormatArguments { } if !matches!(arg.kind, FormatArgumentKind::Captured(..)) { // This is an explicit argument. - // Make sure that all arguments so far are explcit. + // Make sure that all arguments so far are explicit. assert_eq!( self.num_explicit_args, self.arguments.len(), diff --git a/compiler/rustc_ast/src/mut_visit.rs b/compiler/rustc_ast/src/mut_visit.rs index 2424073ae53..694d31d8f1f 100644 --- a/compiler/rustc_ast/src/mut_visit.rs +++ b/compiler/rustc_ast/src/mut_visit.rs @@ -561,7 +561,6 @@ pub fn noop_visit_generic_args<T: MutVisitor>(generic_args: &mut GenericArgs, vi match generic_args { GenericArgs::AngleBracketed(data) => vis.visit_angle_bracketed_parameter_data(data), GenericArgs::Parenthesized(data) => vis.visit_parenthesized_parameter_data(data), - GenericArgs::ReturnTypeNotation(_span) => {} } } diff --git a/compiler/rustc_ast/src/node_id.rs b/compiler/rustc_ast/src/node_id.rs index daa82996b3d..d16741757d1 100644 --- a/compiler/rustc_ast/src/node_id.rs +++ b/compiler/rustc_ast/src/node_id.rs @@ -9,14 +9,14 @@ rustc_index::newtype_index! { /// /// [`DefId`]: rustc_span::def_id::DefId #[debug_format = "NodeId({})"] - pub struct NodeId {} + pub struct NodeId { + /// The [`NodeId`] used to represent the root of the crate. + const CRATE_NODE_ID = 0; + } } rustc_data_structures::define_id_collections!(NodeMap, NodeSet, NodeMapEntry, NodeId); -/// The [`NodeId`] used to represent the root of the crate. -pub const CRATE_NODE_ID: NodeId = NodeId::from_u32(0); - /// When parsing and at the beginning of doing expansions, we initially give all AST nodes /// this dummy AST [`NodeId`]. Then, during a later phase of expansion, we renumber them /// to have small, positive IDs. diff --git a/compiler/rustc_ast/src/visit.rs b/compiler/rustc_ast/src/visit.rs index 3b08467fde2..ac9b321b71c 100644 --- a/compiler/rustc_ast/src/visit.rs +++ b/compiler/rustc_ast/src/visit.rs @@ -482,7 +482,6 @@ where walk_list!(visitor, visit_ty, &data.inputs); walk_fn_ret_ty(visitor, &data.output); } - GenericArgs::ReturnTypeNotation(_span) => {} } } diff --git a/compiler/rustc_ast_lowering/src/errors.rs b/compiler/rustc_ast_lowering/src/errors.rs index f4e55619ebb..3e9f9b43623 100644 --- a/compiler/rustc_ast_lowering/src/errors.rs +++ b/compiler/rustc_ast_lowering/src/errors.rs @@ -137,7 +137,7 @@ pub struct AsyncNonMoveClosureNotSupported { #[derive(Diagnostic, Clone, Copy)] #[diag(ast_lowering_functional_record_update_destructuring_assignment)] -pub struct FunctionalRecordUpdateDestructuringAssignemnt { +pub struct FunctionalRecordUpdateDestructuringAssignment { #[primary_span] #[suggestion(code = "", applicability = "machine-applicable")] pub span: Span, @@ -353,13 +353,7 @@ pub enum BadReturnTypeNotation { #[diag(ast_lowering_bad_return_type_notation_inputs)] Inputs { #[primary_span] - #[suggestion(code = "(..)", applicability = "maybe-incorrect")] - span: Span, - }, - #[diag(ast_lowering_bad_return_type_notation_needs_dots)] - NeedsDots { - #[primary_span] - #[suggestion(code = "(..)", applicability = "maybe-incorrect")] + #[suggestion(code = "()", applicability = "maybe-incorrect")] span: Span, }, #[diag(ast_lowering_bad_return_type_notation_output)] diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index 3247802345b..0d212b3e130 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -1,6 +1,6 @@ use super::errors::{ AsyncGeneratorsNotSupported, AsyncNonMoveClosureNotSupported, AwaitOnlyInAsyncFnAndBlocks, - BaseExpressionDoubleDot, ClosureCannotBeStatic, FunctionalRecordUpdateDestructuringAssignemnt, + BaseExpressionDoubleDot, ClosureCannotBeStatic, FunctionalRecordUpdateDestructuringAssignment, GeneratorTooManyParameters, InclusiveRangeWithNoEnd, NotSupportedForLifetimeBinderAsyncClosure, UnderscoreExprLhsAssign, }; @@ -121,12 +121,16 @@ impl<'hir> LoweringContext<'_, 'hir> { LitKind::Err } }; - hir::ExprKind::Lit(respan(self.lower_span(e.span), lit_kind)) + let lit = self.arena.alloc(respan(self.lower_span(e.span), lit_kind)); + hir::ExprKind::Lit(lit) + } + ExprKind::IncludedBytes(bytes) => { + let lit = self.arena.alloc(respan( + self.lower_span(e.span), + LitKind::ByteStr(bytes.clone(), StrStyle::Cooked), + )); + hir::ExprKind::Lit(lit) } - ExprKind::IncludedBytes(bytes) => hir::ExprKind::Lit(respan( - self.lower_span(e.span), - LitKind::ByteStr(bytes.clone(), StrStyle::Cooked), - )), ExprKind::Cast(expr, ty) => { let expr = self.lower_expr(expr); let ty = @@ -434,7 +438,7 @@ impl<'hir> LoweringContext<'_, 'hir> { // `if let pat = val` or `if foo && let pat = val`, as we _do_ want `val` to live beyond the // condition in this case. // - // In order to mantain the drop behavior for the non `let` parts of the condition, + // In order to maintain the drop behavior for the non `let` parts of the condition, // we still wrap them in terminating scopes, e.g. `if foo && let pat = val` essentially // gets transformed into `if { let _t = foo; _t } && let pat = val` match &cond.kind { @@ -1232,7 +1236,7 @@ impl<'hir> LoweringContext<'_, 'hir> { ); let fields_omitted = match &se.rest { StructRest::Base(e) => { - self.tcx.sess.emit_err(FunctionalRecordUpdateDestructuringAssignemnt { + self.tcx.sess.emit_err(FunctionalRecordUpdateDestructuringAssignment { span: e.span, }); true @@ -1746,40 +1750,31 @@ impl<'hir> LoweringContext<'_, 'hir> { } pub(super) fn expr_usize(&mut self, sp: Span, value: usize) -> hir::Expr<'hir> { - self.expr( - sp, - hir::ExprKind::Lit(hir::Lit { - span: sp, - node: ast::LitKind::Int( - value as u128, - ast::LitIntType::Unsigned(ast::UintTy::Usize), - ), - }), - ) + let lit = self.arena.alloc(hir::Lit { + span: sp, + node: ast::LitKind::Int(value as u128, ast::LitIntType::Unsigned(ast::UintTy::Usize)), + }); + self.expr(sp, hir::ExprKind::Lit(lit)) } pub(super) fn expr_u32(&mut self, sp: Span, value: u32) -> hir::Expr<'hir> { - self.expr( - sp, - hir::ExprKind::Lit(hir::Lit { - span: sp, - node: ast::LitKind::Int(value.into(), ast::LitIntType::Unsigned(ast::UintTy::U32)), - }), - ) + let lit = self.arena.alloc(hir::Lit { + span: sp, + node: ast::LitKind::Int(value.into(), ast::LitIntType::Unsigned(ast::UintTy::U32)), + }); + self.expr(sp, hir::ExprKind::Lit(lit)) } pub(super) fn expr_char(&mut self, sp: Span, value: char) -> hir::Expr<'hir> { - self.expr(sp, hir::ExprKind::Lit(hir::Lit { span: sp, node: ast::LitKind::Char(value) })) + let lit = self.arena.alloc(hir::Lit { span: sp, node: ast::LitKind::Char(value) }); + self.expr(sp, hir::ExprKind::Lit(lit)) } pub(super) fn expr_str(&mut self, sp: Span, value: Symbol) -> hir::Expr<'hir> { - self.expr( - sp, - hir::ExprKind::Lit(hir::Lit { - span: sp, - node: ast::LitKind::Str(value, ast::StrStyle::Cooked), - }), - ) + let lit = self + .arena + .alloc(hir::Lit { span: sp, node: ast::LitKind::Str(value, ast::StrStyle::Cooked) }); + self.expr(sp, hir::ExprKind::Lit(lit)) } pub(super) fn expr_call_mut( diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs index ca659db4dbe..2af47e11637 100644 --- a/compiler/rustc_ast_lowering/src/lib.rs +++ b/compiler/rustc_ast_lowering/src/lib.rs @@ -332,10 +332,7 @@ enum FnDeclKind { impl FnDeclKind { fn param_impl_trait_allowed(&self) -> bool { - match self { - FnDeclKind::Fn | FnDeclKind::Inherent | FnDeclKind::Impl | FnDeclKind::Trait => true, - _ => false, - } + matches!(self, FnDeclKind::Fn | FnDeclKind::Inherent | FnDeclKind::Impl | FnDeclKind::Trait) } fn return_impl_trait_allowed(&self, tcx: TyCtxt<'_>) -> bool { @@ -987,15 +984,22 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { GenericArgs::AngleBracketed(data) => { self.lower_angle_bracketed_parameter_data(data, ParamMode::Explicit, itctx).0 } - &GenericArgs::ReturnTypeNotation(span) => GenericArgsCtor { - args: Default::default(), - bindings: &[], - parenthesized: hir::GenericArgsParentheses::ReturnTypeNotation, - span, - }, GenericArgs::Parenthesized(data) => { - if let Some(start_char) = constraint.ident.as_str().chars().next() - && start_char.is_ascii_lowercase() + if data.inputs.is_empty() && matches!(data.output, FnRetTy::Default(..)) { + let parenthesized = if self.tcx.features().return_type_notation { + hir::GenericArgsParentheses::ReturnTypeNotation + } else { + self.emit_bad_parenthesized_trait_in_assoc_ty(data); + hir::GenericArgsParentheses::No + }; + GenericArgsCtor { + args: Default::default(), + bindings: &[], + parenthesized, + span: data.inputs_span, + } + } else if let Some(first_char) = constraint.ident.as_str().chars().next() + && first_char.is_ascii_lowercase() { let mut err = if !data.inputs.is_empty() { self.tcx.sess.create_err(errors::BadReturnTypeNotation::Inputs { @@ -1006,9 +1010,7 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { span: data.inputs_span.shrink_to_hi().to(ty.span), }) } else { - self.tcx.sess.create_err(errors::BadReturnTypeNotation::NeedsDots { - span: data.inputs_span, - }) + unreachable!("inputs are empty and return type is not provided") }; if !self.tcx.features().return_type_notation && self.tcx.sess.is_nightly_build() diff --git a/compiler/rustc_ast_lowering/src/path.rs b/compiler/rustc_ast_lowering/src/path.rs index 1c47a969696..8eb84c036a0 100644 --- a/compiler/rustc_ast_lowering/src/path.rs +++ b/compiler/rustc_ast_lowering/src/path.rs @@ -13,7 +13,6 @@ use rustc_span::symbol::{kw, sym, Ident}; use rustc_span::{BytePos, Span, DUMMY_SP}; use smallvec::{smallvec, SmallVec}; -use thin_vec::ThinVec; impl<'a, 'hir> LoweringContext<'a, 'hir> { #[instrument(level = "trace", skip(self))] @@ -219,18 +218,6 @@ impl<'a, 'hir> LoweringContext<'a, 'hir> { ) } }, - &GenericArgs::ReturnTypeNotation(span) => { - self.tcx.sess.emit_err(GenericTypeWithParentheses { span, sub: None }); - ( - self.lower_angle_bracketed_parameter_data( - &AngleBracketedArgs { span, args: ThinVec::default() }, - param_mode, - itctx, - ) - .0, - false, - ) - } } } else { ( diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs index e7cdfeca6f9..c79626ccd76 100644 --- a/compiler/rustc_ast_passes/src/ast_validation.rs +++ b/compiler/rustc_ast_passes/src/ast_validation.rs @@ -1080,7 +1080,6 @@ impl<'a> Visitor<'a> for AstValidator<'a> { self.with_impl_trait(None, |this| this.visit_ty(ty)); } } - GenericArgs::ReturnTypeNotation(_span) => {} } } @@ -1391,7 +1390,6 @@ fn deny_equality_constraints( match &mut assoc_path.segments[len].args { Some(args) => match args.deref_mut() { GenericArgs::Parenthesized(_) => continue, - GenericArgs::ReturnTypeNotation(_span) => continue, GenericArgs::AngleBracketed(args) => { args.args.push(arg); } diff --git a/compiler/rustc_ast_passes/src/feature_gate.rs b/compiler/rustc_ast_passes/src/feature_gate.rs index 007d64f681f..17bcd24ee39 100644 --- a/compiler/rustc_ast_passes/src/feature_gate.rs +++ b/compiler/rustc_ast_passes/src/feature_gate.rs @@ -121,24 +121,34 @@ impl<'a> PostExpansionVisitor<'a> { } /// Feature gate `impl Trait` inside `type Alias = $type_expr;`. - fn check_impl_trait(&self, ty: &ast::Ty) { + fn check_impl_trait(&self, ty: &ast::Ty, in_associated_ty: bool) { struct ImplTraitVisitor<'a> { vis: &'a PostExpansionVisitor<'a>, + in_associated_ty: bool, } impl Visitor<'_> for ImplTraitVisitor<'_> { fn visit_ty(&mut self, ty: &ast::Ty) { if let ast::TyKind::ImplTrait(..) = ty.kind { - gate_feature_post!( - &self.vis, - type_alias_impl_trait, - ty.span, - "`impl Trait` in type aliases is unstable" - ); + if self.in_associated_ty { + gate_feature_post!( + &self.vis, + impl_trait_in_assoc_type, + ty.span, + "`impl Trait` in associated types is unstable" + ); + } else { + gate_feature_post!( + &self.vis, + type_alias_impl_trait, + ty.span, + "`impl Trait` in type aliases is unstable" + ); + } } visit::walk_ty(self, ty); } } - ImplTraitVisitor { vis: self }.visit_ty(ty); + ImplTraitVisitor { vis: self, in_associated_ty }.visit_ty(ty); } fn check_late_bound_lifetime_defs(&self, params: &[ast::GenericParam]) { @@ -294,7 +304,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { } ast::ItemKind::TyAlias(box ast::TyAlias { ty: Some(ty), .. }) => { - self.check_impl_trait(&ty) + self.check_impl_trait(&ty, false) } _ => {} @@ -485,20 +495,23 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { fn visit_assoc_constraint(&mut self, constraint: &'a AssocConstraint) { if let AssocConstraintKind::Bound { .. } = constraint.kind { - if let Some(args) = constraint.gen_args.as_ref() - && matches!( - args, - ast::GenericArgs::ReturnTypeNotation(..) - ) + if let Some(ast::GenericArgs::Parenthesized(args)) = constraint.gen_args.as_ref() + && args.inputs.is_empty() + && matches!(args.output, ast::FnRetTy::Default(..)) { - // RTN is gated below with a `gate_all`. + gate_feature_post!( + &self, + return_type_notation, + constraint.span, + "return type notation is experimental" + ); } else { gate_feature_post!( &self, associated_type_bounds, constraint.span, "associated type bounds are unstable" - ) + ); } } visit::walk_assoc_constraint(self, constraint) @@ -517,7 +530,7 @@ impl<'a> Visitor<'a> for PostExpansionVisitor<'a> { ); } if let Some(ty) = ty { - self.check_impl_trait(ty); + self.check_impl_trait(ty, true); } false } @@ -589,7 +602,6 @@ pub fn check_crate(krate: &ast::Crate, sess: &Session) { gate_all!(yeet_expr, "`do yeet` expression is experimental"); gate_all!(dyn_star, "`dyn*` trait objects are experimental"); gate_all!(const_closures, "const closures are experimental"); - gate_all!(return_type_notation, "return type notation is experimental"); // All uses of `gate_all!` below this point were added in #65742, // and subsequently disabled (with the non-early gating readded). @@ -605,6 +617,7 @@ pub fn check_crate(krate: &ast::Crate, sess: &Session) { gate_all!(trait_alias, "trait aliases are experimental"); gate_all!(associated_type_bounds, "associated type bounds are unstable"); + gate_all!(return_type_notation, "return type notation is experimental"); gate_all!(decl_macro, "`macro` is experimental"); gate_all!(box_patterns, "box pattern syntax is experimental"); gate_all!(exclusive_range_pattern, "exclusive range pattern syntax is experimental"); diff --git a/compiler/rustc_ast_pretty/src/pprust/state.rs b/compiler/rustc_ast_pretty/src/pprust/state.rs index 1f6838a0278..849336c8669 100644 --- a/compiler/rustc_ast_pretty/src/pprust/state.rs +++ b/compiler/rustc_ast_pretty/src/pprust/state.rs @@ -936,10 +936,6 @@ impl<'a> PrintState<'a> for State<'a> { self.word(")"); self.print_fn_ret_ty(&data.output); } - - ast::GenericArgs::ReturnTypeNotation(_span) => { - self.word("(..)"); - } } } } diff --git a/compiler/rustc_borrowck/Cargo.toml b/compiler/rustc_borrowck/Cargo.toml index 87c113f3e30..e0bb87336e5 100644 --- a/compiler/rustc_borrowck/Cargo.toml +++ b/compiler/rustc_borrowck/Cargo.toml @@ -20,7 +20,6 @@ rustc_infer = { path = "../rustc_infer" } rustc_lexer = { path = "../rustc_lexer" } rustc_macros = { path = "../rustc_macros" } rustc_middle = { path = "../rustc_middle" } -rustc_const_eval = { path = "../rustc_const_eval" } rustc_mir_dataflow = { path = "../rustc_mir_dataflow" } rustc_serialize = { path = "../rustc_serialize" } rustc_session = { path = "../rustc_session" } diff --git a/compiler/rustc_borrowck/messages.ftl b/compiler/rustc_borrowck/messages.ftl index a3b6b5e8138..0b8123c9703 100644 --- a/compiler/rustc_borrowck/messages.ftl +++ b/compiler/rustc_borrowck/messages.ftl @@ -56,18 +56,6 @@ borrowck_returned_lifetime_short = borrowck_used_impl_require_static = the used `impl` has a `'static` requirement -borrowck_capture_kind_label = - capture is {$kind_desc} because of use here - -borrowck_var_borrow_by_use_place_in_generator = - borrow occurs due to use of {$place} in closure in generator - -borrowck_var_borrow_by_use_place_in_closure = - borrow occurs due to use of {$place} in closure - -borrowck_var_borrow_by_use_place = - borrow occurs due to use of {$place} - borrowck_borrow_due_to_use_generator = borrow occurs due to use in generator @@ -101,12 +89,63 @@ borrowck_capture_mut = borrowck_capture_move = capture is moved because of use here +borrowck_var_borrow_by_use_place_in_generator = + {$is_single_var -> + *[true] borrow occurs + [false] borrows occur + } due to use of {$place} in generator + +borrowck_var_borrow_by_use_place_in_closure = + {$is_single_var -> + *[true] borrow occurs + [false] borrows occur + } due to use of {$place} in closure + +borrowck_var_borrow_by_use_in_generator = + borrow occurs due to use in generator + +borrowck_var_borrow_by_use_in_closure = + borrow occurs due to use in closure + borrowck_var_move_by_use_place_in_generator = move occurs due to use of {$place} in generator borrowck_var_move_by_use_place_in_closure = move occurs due to use of {$place} in closure +borrowck_var_move_by_use_in_generator = + move occurs due to use in generator + +borrowck_var_move_by_use_in_closure = + move occurs due to use in closure + +borrowck_partial_var_move_by_use_in_generator = + variable {$is_partial -> + [true] partially moved + *[false] moved + } due to use in generator + +borrowck_partial_var_move_by_use_in_closure = + variable {$is_partial -> + [true] partially moved + *[false] moved + } due to use in closure + +borrowck_var_first_borrow_by_use_place_in_generator = + first borrow occurs due to use of {$place} in generator + +borrowck_var_first_borrow_by_use_place_in_closure = + first borrow occurs due to use of {$place} in closure + +borrowck_var_second_borrow_by_use_place_in_generator = + second borrow occurs due to use of {$place} in generator + +borrowck_var_second_borrow_by_use_place_in_closure = + second borrow occurs due to use of {$place} in closure + +borrowck_var_mutable_borrow_by_use_place_in_closure = + mutable borrow occurs due to use of {$place} in closure + borrowck_cannot_move_when_borrowed = cannot move out of {$place -> [value] value @@ -127,3 +166,90 @@ borrowck_opaque_type_non_generic_param = [true] cannot use static lifetime; use a bound lifetime instead or remove the lifetime parameter from the opaque type *[other] this generic parameter must be used with a generic {$kind} parameter } + +borrowck_moved_due_to_call = + {$place_name} {$is_partial -> + [true] partially moved + *[false] moved + } due to this {$is_loop_message -> + [true] call, in previous iteration of loop + *[false] call + } + +borrowck_moved_due_to_usage_in_operator = + {$place_name} {$is_partial -> + [true] partially moved + *[false] moved + } due to usage in {$is_loop_message -> + [true] operator, in previous iteration of loop + *[false] operator + } + +borrowck_moved_due_to_implicit_into_iter_call = + {$place_name} {$is_partial -> + [true] partially moved + *[false] moved + } due to this implicit call to {$is_loop_message -> + [true] `.into_iter()`, in previous iteration of loop + *[false] `.into_iter()` + } + +borrowck_moved_due_to_method_call = + {$place_name} {$is_partial -> + [true] partially moved + *[false] moved + } due to this method {$is_loop_message -> + [true] call, in previous iteration of loop + *[false] call + } + +borrowck_value_moved_here = + value {$is_partial -> + [true] partially moved + *[false] moved + } {$is_move_msg -> + [true] into closure here + *[false] here + }{$is_loop_message -> + [true] , in previous iteration of loop + *[false] {""} + } + +borrowck_consider_borrow_type_contents = + help: consider calling `.as_ref()` or `.as_mut()` to borrow the type's contents + +borrowck_moved_a_fn_once_in_call = + this value implements `FnOnce`, which causes it to be moved when called + +borrowck_calling_operator_moves_lhs = + calling this operator moves the left-hand side + +borrowck_func_take_self_moved_place = + `{$func}` takes ownership of the receiver `self`, which moves {$place_name} + +borrowck_suggest_iterate_over_slice = + consider iterating over a slice of the `{$ty}`'s content to avoid moving into the `for` loop + +borrowck_suggest_create_freash_reborrow = + consider reborrowing the `Pin` instead of moving it + +borrowck_value_capture_here = + value captured {$is_within -> + [true] here by generator + *[false] here + } + +borrowck_move_out_place_here = + {$place} is moved here + +borrowck_closure_invoked_twice = + closure cannot be invoked more than once because it moves the variable `{$place_name}` out of its environment + +borrowck_closure_moved_twice = + closure cannot be moved more than once as it is not `Copy` due to moving the variable `{$place_name}` out of its environment + +borrowck_ty_no_impl_copy = + {$is_partial_move -> + [true] partial move + *[false] move + } occurs because {$place} has type `{$ty}`, which does not implement the `Copy` trait diff --git a/compiler/rustc_borrowck/src/borrow_set.rs b/compiler/rustc_borrowck/src/borrow_set.rs index fa0552e012d..4824f6346d4 100644 --- a/compiler/rustc_borrowck/src/borrow_set.rs +++ b/compiler/rustc_borrowck/src/borrow_set.rs @@ -1,6 +1,5 @@ #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] -use crate::nll::ToRegionVid; use crate::path_utils::allow_two_phase_borrow; use crate::place_ext::PlaceExt; use crate::BorrowIndex; @@ -204,7 +203,7 @@ impl<'a, 'tcx> Visitor<'tcx> for GatherBorrows<'a, 'tcx> { return; } - let region = region.to_region_vid(); + let region = region.as_var(); let borrow = BorrowData { kind, @@ -279,7 +278,7 @@ impl<'a, 'tcx> Visitor<'tcx> for GatherBorrows<'a, 'tcx> { let borrow_data = &self.location_map[&location]; assert_eq!(borrow_data.reserve_location, location); assert_eq!(borrow_data.kind, kind); - assert_eq!(borrow_data.region, region.to_region_vid()); + assert_eq!(borrow_data.region, region.as_var()); assert_eq!(borrow_data.borrowed_place, place); } diff --git a/compiler/rustc_borrowck/src/constraint_generation.rs b/compiler/rustc_borrowck/src/constraint_generation.rs index 1427f5cb31d..2aa09a3f26c 100644 --- a/compiler/rustc_borrowck/src/constraint_generation.rs +++ b/compiler/rustc_borrowck/src/constraint_generation.rs @@ -12,8 +12,8 @@ use rustc_middle::ty::visit::TypeVisitable; use rustc_middle::ty::{self, RegionVid, Ty, TyCtxt}; use crate::{ - borrow_set::BorrowSet, facts::AllFacts, location::LocationTable, nll::ToRegionVid, - places_conflict, region_infer::values::LivenessValues, + borrow_set::BorrowSet, facts::AllFacts, location::LocationTable, places_conflict, + region_infer::values::LivenessValues, }; pub(super) fn generate_constraints<'tcx>( @@ -170,7 +170,7 @@ impl<'cx, 'tcx> ConstraintGeneration<'cx, 'tcx> { debug!("add_regular_live_constraint(live_ty={:?}, location={:?})", live_ty, location); self.infcx.tcx.for_each_free_region(&live_ty, |live_region| { - let vid = live_region.to_region_vid(); + let vid = live_region.as_var(); self.liveness_constraints.add_element(vid, location); }); } diff --git a/compiler/rustc_borrowck/src/constraints/graph.rs b/compiler/rustc_borrowck/src/constraints/graph.rs index c780d047992..f5a34cb0561 100644 --- a/compiler/rustc_borrowck/src/constraints/graph.rs +++ b/compiler/rustc_borrowck/src/constraints/graph.rs @@ -13,7 +13,7 @@ use crate::{ /// The construct graph organizes the constraints by their end-points. /// It can be used to view a `R1: R2` constraint as either an edge `R1 /// -> R2` or `R2 -> R1` depending on the direction type `D`. -pub(crate) struct ConstraintGraph<D: ConstraintGraphDirecton> { +pub(crate) struct ConstraintGraph<D: ConstraintGraphDirection> { _direction: D, first_constraints: IndexVec<RegionVid, Option<OutlivesConstraintIndex>>, next_constraints: IndexVec<OutlivesConstraintIndex, Option<OutlivesConstraintIndex>>, @@ -25,7 +25,7 @@ pub(crate) type ReverseConstraintGraph = ConstraintGraph<Reverse>; /// Marker trait that controls whether a `R1: R2` constraint /// represents an edge `R1 -> R2` or `R2 -> R1`. -pub(crate) trait ConstraintGraphDirecton: Copy + 'static { +pub(crate) trait ConstraintGraphDirection: Copy + 'static { fn start_region(c: &OutlivesConstraint<'_>) -> RegionVid; fn end_region(c: &OutlivesConstraint<'_>) -> RegionVid; fn is_normal() -> bool; @@ -38,7 +38,7 @@ pub(crate) trait ConstraintGraphDirecton: Copy + 'static { #[derive(Copy, Clone, Debug)] pub(crate) struct Normal; -impl ConstraintGraphDirecton for Normal { +impl ConstraintGraphDirection for Normal { fn start_region(c: &OutlivesConstraint<'_>) -> RegionVid { c.sup } @@ -59,7 +59,7 @@ impl ConstraintGraphDirecton for Normal { #[derive(Copy, Clone, Debug)] pub(crate) struct Reverse; -impl ConstraintGraphDirecton for Reverse { +impl ConstraintGraphDirection for Reverse { fn start_region(c: &OutlivesConstraint<'_>) -> RegionVid { c.sub } @@ -73,7 +73,7 @@ impl ConstraintGraphDirecton for Reverse { } } -impl<D: ConstraintGraphDirecton> ConstraintGraph<D> { +impl<D: ConstraintGraphDirection> ConstraintGraph<D> { /// Creates a "dependency graph" where each region constraint `R1: /// R2` is treated as an edge `R1 -> R2`. We use this graph to /// construct SCCs for region inference but also for error @@ -133,7 +133,7 @@ impl<D: ConstraintGraphDirecton> ConstraintGraph<D> { } } -pub(crate) struct Edges<'s, 'tcx, D: ConstraintGraphDirecton> { +pub(crate) struct Edges<'s, 'tcx, D: ConstraintGraphDirection> { graph: &'s ConstraintGraph<D>, constraints: &'s OutlivesConstraintSet<'tcx>, pointer: Option<OutlivesConstraintIndex>, @@ -141,7 +141,7 @@ pub(crate) struct Edges<'s, 'tcx, D: ConstraintGraphDirecton> { static_region: RegionVid, } -impl<'s, 'tcx, D: ConstraintGraphDirecton> Iterator for Edges<'s, 'tcx, D> { +impl<'s, 'tcx, D: ConstraintGraphDirection> Iterator for Edges<'s, 'tcx, D> { type Item = OutlivesConstraint<'tcx>; fn next(&mut self) -> Option<Self::Item> { @@ -174,13 +174,13 @@ impl<'s, 'tcx, D: ConstraintGraphDirecton> Iterator for Edges<'s, 'tcx, D> { /// This struct brings together a constraint set and a (normal, not /// reverse) constraint graph. It implements the graph traits and is /// usd for doing the SCC computation. -pub(crate) struct RegionGraph<'s, 'tcx, D: ConstraintGraphDirecton> { +pub(crate) struct RegionGraph<'s, 'tcx, D: ConstraintGraphDirection> { set: &'s OutlivesConstraintSet<'tcx>, constraint_graph: &'s ConstraintGraph<D>, static_region: RegionVid, } -impl<'s, 'tcx, D: ConstraintGraphDirecton> RegionGraph<'s, 'tcx, D> { +impl<'s, 'tcx, D: ConstraintGraphDirection> RegionGraph<'s, 'tcx, D> { /// Creates a "dependency graph" where each region constraint `R1: /// R2` is treated as an edge `R1 -> R2`. We use this graph to /// construct SCCs for region inference but also for error @@ -202,11 +202,11 @@ impl<'s, 'tcx, D: ConstraintGraphDirecton> RegionGraph<'s, 'tcx, D> { } } -pub(crate) struct Successors<'s, 'tcx, D: ConstraintGraphDirecton> { +pub(crate) struct Successors<'s, 'tcx, D: ConstraintGraphDirection> { edges: Edges<'s, 'tcx, D>, } -impl<'s, 'tcx, D: ConstraintGraphDirecton> Iterator for Successors<'s, 'tcx, D> { +impl<'s, 'tcx, D: ConstraintGraphDirection> Iterator for Successors<'s, 'tcx, D> { type Item = RegionVid; fn next(&mut self) -> Option<Self::Item> { @@ -214,23 +214,25 @@ impl<'s, 'tcx, D: ConstraintGraphDirecton> Iterator for Successors<'s, 'tcx, D> } } -impl<'s, 'tcx, D: ConstraintGraphDirecton> graph::DirectedGraph for RegionGraph<'s, 'tcx, D> { +impl<'s, 'tcx, D: ConstraintGraphDirection> graph::DirectedGraph for RegionGraph<'s, 'tcx, D> { type Node = RegionVid; } -impl<'s, 'tcx, D: ConstraintGraphDirecton> graph::WithNumNodes for RegionGraph<'s, 'tcx, D> { +impl<'s, 'tcx, D: ConstraintGraphDirection> graph::WithNumNodes for RegionGraph<'s, 'tcx, D> { fn num_nodes(&self) -> usize { self.constraint_graph.first_constraints.len() } } -impl<'s, 'tcx, D: ConstraintGraphDirecton> graph::WithSuccessors for RegionGraph<'s, 'tcx, D> { +impl<'s, 'tcx, D: ConstraintGraphDirection> graph::WithSuccessors for RegionGraph<'s, 'tcx, D> { fn successors(&self, node: Self::Node) -> <Self as graph::GraphSuccessors<'_>>::Iter { self.outgoing_regions(node) } } -impl<'s, 'tcx, D: ConstraintGraphDirecton> graph::GraphSuccessors<'_> for RegionGraph<'s, 'tcx, D> { +impl<'s, 'tcx, D: ConstraintGraphDirection> graph::GraphSuccessors<'_> + for RegionGraph<'s, 'tcx, D> +{ type Item = RegionVid; type Iter = Successors<'s, 'tcx, D>; } diff --git a/compiler/rustc_borrowck/src/dataflow.rs b/compiler/rustc_borrowck/src/dataflow.rs index 2cbd2e3bc0d..94939c7e4cd 100644 --- a/compiler/rustc_borrowck/src/dataflow.rs +++ b/compiler/rustc_borrowck/src/dataflow.rs @@ -11,9 +11,7 @@ use rustc_mir_dataflow::{self, fmt::DebugWithContext, CallReturnPlaces, GenKill} use rustc_mir_dataflow::{Analysis, Direction, Results}; use std::fmt; -use crate::{ - places_conflict, BorrowSet, PlaceConflictBias, PlaceExt, RegionInferenceContext, ToRegionVid, -}; +use crate::{places_conflict, BorrowSet, PlaceConflictBias, PlaceExt, RegionInferenceContext}; /// A tuple with named fields that can hold either the results or the transient state of the /// dataflow analyses used by the borrow checker. @@ -242,7 +240,7 @@ impl<'a, 'tcx> Borrows<'a, 'tcx> { ) -> Self { let mut prec = OutOfScopePrecomputer::new(body, nonlexical_regioncx); for (borrow_index, borrow_data) in borrow_set.iter_enumerated() { - let borrow_region = borrow_data.region.to_region_vid(); + let borrow_region = borrow_data.region; let location = borrow_data.reserve_location; prec.precompute_borrows_out_of_scope(borrow_index, borrow_region, location); diff --git a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs index 75a3dd0c0f3..a4a3c738f47 100644 --- a/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/conflict_errors.rs @@ -1,5 +1,4 @@ use either::Either; -use rustc_const_eval::util::CallKind; use rustc_data_structures::captures::Captures; use rustc_data_structures::fx::FxIndexSet; use rustc_errors::{ @@ -18,6 +17,7 @@ use rustc_middle::mir::{ ProjectionElem, Rvalue, Statement, StatementKind, Terminator, TerminatorKind, VarBindingForm, }; use rustc_middle::ty::{self, suggest_constraining_type_params, PredicateKind, Ty}; +use rustc_middle::util::CallKind; use rustc_mir_dataflow::move_paths::{InitKind, MoveOutIndex, MovePathIndex}; use rustc_span::def_id::LocalDefId; use rustc_span::hygiene::DesugaringKind; @@ -30,8 +30,8 @@ use crate::borrow_set::TwoPhaseActivation; use crate::borrowck_errors; use crate::diagnostics::conflict_errors::StorageDeadOrDrop::LocalStorageDead; -use crate::diagnostics::find_all_local_uses; use crate::diagnostics::mutability_errors::mut_borrow_of_mutable_ref; +use crate::diagnostics::{find_all_local_uses, CapturedMessageOpt}; use crate::{ borrow_set::BorrowData, diagnostics::Instance, prefixes::IsPrefixOf, InitializationRequiringAction, MirBorrowckCtxt, PrefixSet, WriteKind, @@ -183,13 +183,9 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { let move_spans = self.move_spans(moved_place.as_ref(), move_out.source); let move_span = move_spans.args_or_use(); - let move_msg = if move_spans.for_closure() { " into closure" } else { "" }; + let is_move_msg = move_spans.for_closure(); - let loop_message = if location == move_out.source || move_site.traversed_back_edge { - ", in previous iteration of loop" - } else { - "" - }; + let is_loop_message = location == move_out.source || move_site.traversed_back_edge; if location == move_out.source { is_loop_move = true; @@ -206,17 +202,21 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ); } + let msg_opt = CapturedMessageOpt { + is_partial_move, + is_loop_message, + is_move_msg, + is_loop_move, + maybe_reinitialized_locations_is_empty: maybe_reinitialized_locations + .is_empty(), + }; self.explain_captures( &mut err, span, move_span, move_spans, *moved_place, - partially_str, - loop_message, - move_msg, - is_loop_move, - maybe_reinitialized_locations.is_empty(), + msg_opt, ); } seen_spans.insert(move_span); @@ -282,12 +282,21 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } if needs_note { - let span = if let Some(local) = place.as_local() { - Some(self.body.local_decls[local].source_info.span) + if let Some(local) = place.as_local() { + let span = self.body.local_decls[local].source_info.span; + err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { + is_partial_move, + ty, + place: ¬e_msg, + span, + }); } else { - None + err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Note { + is_partial_move, + ty, + place: ¬e_msg, + }); }; - self.note_type_does_not_implement_copy(&mut err, ¬e_msg, ty, span, partial_str); } if let UseSpans::FnSelfUse { @@ -827,11 +836,13 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { borrow_spans.var_path_only_subdiag(&mut err, crate::InitializationRequiringAction::Borrow); - move_spans.var_span_label( - &mut err, - format!("move occurs due to use{}", move_spans.describe()), - "moved", - ); + move_spans.var_subdiag(None, &mut err, None, |kind, var_span| { + use crate::session_diagnostics::CaptureVarCause::*; + match kind { + Some(_) => MoveUseInGenerator { var_span }, + None => MoveUseInClosure { var_span }, + } + }); self.explain_why_borrow_contains_point(location, borrow, None) .add_explanation_to_diagnostic( @@ -868,13 +879,15 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { borrow_span, &self.describe_any_place(borrow.borrowed_place.as_ref()), ); - borrow_spans.var_subdiag(&mut err, Some(borrow.kind), |kind, var_span| { + borrow_spans.var_subdiag(None, &mut err, Some(borrow.kind), |kind, var_span| { use crate::session_diagnostics::CaptureVarCause::*; let place = &borrow.borrowed_place; let desc_place = self.describe_any_place(place.as_ref()); match kind { - Some(_) => BorrowUsePlaceGenerator { place: desc_place, var_span }, - None => BorrowUsePlaceClosure { place: desc_place, var_span }, + Some(_) => { + BorrowUsePlaceGenerator { place: desc_place, var_span, is_single_var: true } + } + None => BorrowUsePlaceClosure { place: desc_place, var_span, is_single_var: true }, } }); @@ -988,16 +1001,26 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { immutable_section_description, "mutably borrow", ); - borrow_spans.var_span_label( + borrow_spans.var_subdiag( + None, &mut err, - format!( - "borrow occurs due to use of {}{}", - desc_place, - borrow_spans.describe(), - ), - "immutable", + Some(BorrowKind::Unique), + |kind, var_span| { + use crate::session_diagnostics::CaptureVarCause::*; + match kind { + Some(_) => BorrowUsePlaceGenerator { + place: desc_place, + var_span, + is_single_var: true, + }, + None => BorrowUsePlaceClosure { + place: desc_place, + var_span, + is_single_var: true, + }, + } + }, ); - return err; } else { first_borrow_desc = "immutable "; @@ -1070,32 +1093,48 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { }; if issued_spans == borrow_spans { - borrow_spans.var_span_label( - &mut err, - format!("borrows occur due to use of {}{}", desc_place, borrow_spans.describe(),), - gen_borrow_kind.describe_mutability(), - ); + borrow_spans.var_subdiag(None, &mut err, Some(gen_borrow_kind), |kind, var_span| { + use crate::session_diagnostics::CaptureVarCause::*; + match kind { + Some(_) => BorrowUsePlaceGenerator { + place: desc_place, + var_span, + is_single_var: false, + }, + None => { + BorrowUsePlaceClosure { place: desc_place, var_span, is_single_var: false } + } + } + }); } else { - let borrow_place = &issued_borrow.borrowed_place; - let borrow_place_desc = self.describe_any_place(borrow_place.as_ref()); - issued_spans.var_span_label( + issued_spans.var_subdiag( + Some(&self.infcx.tcx.sess.parse_sess.span_diagnostic), &mut err, - format!( - "first borrow occurs due to use of {}{}", - borrow_place_desc, - issued_spans.describe(), - ), - issued_borrow.kind.describe_mutability(), + Some(issued_borrow.kind), + |kind, var_span| { + use crate::session_diagnostics::CaptureVarCause::*; + let borrow_place = &issued_borrow.borrowed_place; + let borrow_place_desc = self.describe_any_place(borrow_place.as_ref()); + match kind { + Some(_) => { + FirstBorrowUsePlaceGenerator { place: borrow_place_desc, var_span } + } + None => FirstBorrowUsePlaceClosure { place: borrow_place_desc, var_span }, + } + }, ); - borrow_spans.var_span_label( + borrow_spans.var_subdiag( + Some(&self.infcx.tcx.sess.parse_sess.span_diagnostic), &mut err, - format!( - "second borrow occurs due to use of {}{}", - desc_place, - borrow_spans.describe(), - ), - gen_borrow_kind.describe_mutability(), + Some(gen_borrow_kind), + |kind, var_span| { + use crate::session_diagnostics::CaptureVarCause::*; + match kind { + Some(_) => SecondBorrowUsePlaceGenerator { place: desc_place, var_span }, + None => SecondBorrowUsePlaceClosure { place: desc_place, var_span }, + } + }, ); } @@ -1731,9 +1770,12 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { err.span_label(borrow_span, "borrowed value does not live long enough"); err.span_label(drop_span, format!("`{}` dropped here while still borrowed", name)); - let within = if borrow_spans.for_generator() { " by generator" } else { "" }; - - borrow_spans.args_span_label(&mut err, format!("value captured here{}", within)); + borrow_spans.args_subdiag(&mut err, |args_span| { + crate::session_diagnostics::CaptureArgLabel::Capture { + is_within: borrow_spans.for_generator(), + args_span, + } + }); explanation.add_explanation_to_diagnostic( self.infcx.tcx, @@ -1947,9 +1989,12 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { None, ); - let within = if borrow_spans.for_generator() { " by generator" } else { "" }; - - borrow_spans.args_span_label(&mut err, format!("value captured here{}", within)); + borrow_spans.args_subdiag(&mut err, |args_span| { + crate::session_diagnostics::CaptureArgLabel::Capture { + is_within: borrow_spans.for_generator(), + args_span, + } + }); err } @@ -2382,11 +2427,14 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { section, "assign", ); - loan_spans.var_span_label( - &mut err, - format!("borrow occurs due to use{}", loan_spans.describe()), - loan.kind.describe_mutability(), - ); + + loan_spans.var_subdiag(None, &mut err, Some(loan.kind), |kind, var_span| { + use crate::session_diagnostics::CaptureVarCause::*; + match kind { + Some(_) => BorrowUseInGenerator { var_span }, + None => BorrowUseInClosure { var_span }, + } + }); self.buffer_error(err); @@ -2396,11 +2444,13 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { let mut err = self.cannot_assign_to_borrowed(span, loan_span, &descr_place); - loan_spans.var_span_label( - &mut err, - format!("borrow occurs due to use{}", loan_spans.describe()), - loan.kind.describe_mutability(), - ); + loan_spans.var_subdiag(None, &mut err, Some(loan.kind), |kind, var_span| { + use crate::session_diagnostics::CaptureVarCause::*; + match kind { + Some(_) => BorrowUseInGenerator { var_span }, + None => BorrowUseInClosure { var_span }, + } + }); self.explain_why_borrow_contains_point(location, loan, None).add_explanation_to_diagnostic( self.infcx.tcx, @@ -2424,7 +2474,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { Some((method_did, method_substs)), ) = ( &self.body[loan.reserve_location.block].terminator, - rustc_const_eval::util::find_self_call( + rustc_middle::util::find_self_call( tcx, self.body, loan.assigned_place.local, diff --git a/compiler/rustc_borrowck/src/diagnostics/find_use.rs b/compiler/rustc_borrowck/src/diagnostics/find_use.rs index e2d04324f3b..2495613fea1 100644 --- a/compiler/rustc_borrowck/src/diagnostics/find_use.rs +++ b/compiler/rustc_borrowck/src/diagnostics/find_use.rs @@ -6,7 +6,6 @@ use std::rc::Rc; use crate::{ def_use::{self, DefUse}, - nll::ToRegionVid, region_infer::{Cause, RegionInferenceContext}, }; use rustc_data_structures::fx::FxIndexSet; @@ -117,7 +116,7 @@ impl<'cx, 'tcx> Visitor<'tcx> for DefUseVisitor<'cx, 'tcx> { let mut found_it = false; self.tcx.for_each_free_region(&local_ty, |r| { - if r.to_region_vid() == self.region_vid { + if r.as_var() == self.region_vid { found_it = true; } }); diff --git a/compiler/rustc_borrowck/src/diagnostics/mod.rs b/compiler/rustc_borrowck/src/diagnostics/mod.rs index 110354a20d8..4a85df9f8c0 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mod.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mod.rs @@ -1,7 +1,10 @@ //! Borrow checker diagnostics. +use crate::session_diagnostics::{ + CaptureArgLabel, CaptureReasonLabel, CaptureReasonNote, CaptureReasonSuggest, CaptureVarCause, + CaptureVarKind, CaptureVarPathUseCause, OnClosureNote, +}; use itertools::Itertools; -use rustc_const_eval::util::{call_kind, CallDesugaringKind}; use rustc_errors::{Applicability, Diagnostic}; use rustc_hir as hir; use rustc_hir::def::{CtorKind, Namespace}; @@ -15,6 +18,7 @@ use rustc_middle::mir::{ }; use rustc_middle::ty::print::Print; use rustc_middle::ty::{self, Instance, Ty, TyCtxt}; +use rustc_middle::util::{call_kind, CallDesugaringKind}; use rustc_mir_dataflow::move_paths::{InitLocation, LookupResult}; use rustc_span::def_id::LocalDefId; use rustc_span::{symbol::sym, Span, Symbol, DUMMY_SP}; @@ -45,7 +49,7 @@ pub(crate) use mutability_errors::AccessKind; pub(crate) use outlives_suggestion::OutlivesSuggestionBuilder; pub(crate) use region_errors::{ErrorConstraintInfo, RegionErrorKind, RegionErrors}; pub(crate) use region_name::{RegionName, RegionNameSource}; -pub(crate) use rustc_const_eval::util::CallKind; +pub(crate) use rustc_middle::util::CallKind; pub(super) struct DescribePlaceOpt { pub including_downcast: bool, @@ -117,13 +121,15 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { if let ty::Closure(did, _) = self.body.local_decls[closure].ty.kind() { let did = did.expect_local(); if let Some((span, hir_place)) = self.infcx.tcx.closure_kind_origin(did) { - diag.span_note( - *span, - &format!( - "closure cannot be invoked more than once because it moves the \ - variable `{}` out of its environment", - ty::place_to_string_for_capture(self.infcx.tcx, hir_place) - ), + diag.eager_subdiagnostic( + &self.infcx.tcx.sess.parse_sess.span_diagnostic, + OnClosureNote::InvokedTwice { + place_name: &ty::place_to_string_for_capture( + self.infcx.tcx, + hir_place, + ), + span: *span, + }, ); return true; } @@ -137,13 +143,12 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { if let ty::Closure(did, _) = self.body.local_decls[target].ty.kind() { let did = did.expect_local(); if let Some((span, hir_place)) = self.infcx.tcx.closure_kind_origin(did) { - diag.span_note( - *span, - &format!( - "closure cannot be moved more than once as it is not `Copy` due to \ - moving the variable `{}` out of its environment", - ty::place_to_string_for_capture(self.infcx.tcx, hir_place) - ), + diag.eager_subdiagnostic( + &self.infcx.tcx.sess.parse_sess.span_diagnostic, + OnClosureNote::MovedTwice { + place_name: &ty::place_to_string_for_capture(self.infcx.tcx, hir_place), + span: *span, + }, ); return true; } @@ -380,25 +385,6 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } } - /// Add a note that a type does not implement `Copy` - pub(super) fn note_type_does_not_implement_copy( - &self, - err: &mut Diagnostic, - place_desc: &str, - ty: Ty<'tcx>, - span: Option<Span>, - move_prefix: &str, - ) { - let message = format!( - "{move_prefix}move occurs because {place_desc} has type `{ty}`, which does not implement the `Copy` trait", - ); - if let Some(span) = span { - err.span_label(span, message); - } else { - err.note(&message); - } - } - pub(super) fn borrowed_content_source( &self, deref_base: PlaceRef<'tcx>, @@ -582,9 +568,13 @@ impl UseSpans<'_> { } /// Add a span label to the arguments of the closure, if it exists. - pub(super) fn args_span_label(self, err: &mut Diagnostic, message: impl Into<String>) { + pub(super) fn args_subdiag( + self, + err: &mut Diagnostic, + f: impl FnOnce(Span) -> CaptureArgLabel, + ) { if let UseSpans::ClosureUse { args_span, .. } = self { - err.span_label(args_span, message); + err.subdiagnostic(f(args_span)); } } @@ -595,8 +585,8 @@ impl UseSpans<'_> { err: &mut Diagnostic, action: crate::InitializationRequiringAction, ) { - use crate::session_diagnostics::CaptureVarPathUseCause::*; use crate::InitializationRequiringAction::*; + use CaptureVarPathUseCause::*; if let UseSpans::ClosureUse { generator_kind, path_span, .. } = self { match generator_kind { Some(_) => { @@ -619,34 +609,14 @@ impl UseSpans<'_> { } } - /// Add a span label to the use of the captured variable, if it exists. - pub(super) fn var_span_label( - self, - err: &mut Diagnostic, - message: impl Into<String>, - kind_desc: impl Into<String>, - ) { - if let UseSpans::ClosureUse { capture_kind_span, path_span, .. } = self { - if capture_kind_span == path_span { - err.span_label(capture_kind_span, message); - } else { - let capture_kind_label = - format!("capture is {} because of use here", kind_desc.into()); - let path_label = message; - err.span_label(capture_kind_span, capture_kind_label); - err.span_label(path_span, path_label); - } - } - } - /// Add a subdiagnostic to the use of the captured variable, if it exists. pub(super) fn var_subdiag( self, + handler: Option<&rustc_errors::Handler>, err: &mut Diagnostic, kind: Option<rustc_middle::mir::BorrowKind>, - f: impl Fn(Option<GeneratorKind>, Span) -> crate::session_diagnostics::CaptureVarCause, + f: impl FnOnce(Option<GeneratorKind>, Span) -> CaptureVarCause, ) { - use crate::session_diagnostics::CaptureVarKind::*; if let UseSpans::ClosureUse { generator_kind, capture_kind_span, path_span, .. } = self { if capture_kind_span != path_span { err.subdiagnostic(match kind { @@ -654,17 +624,21 @@ impl UseSpans<'_> { rustc_middle::mir::BorrowKind::Shared | rustc_middle::mir::BorrowKind::Shallow | rustc_middle::mir::BorrowKind::Unique => { - Immute { kind_span: capture_kind_span } + CaptureVarKind::Immut { kind_span: capture_kind_span } } rustc_middle::mir::BorrowKind::Mut { .. } => { - Mut { kind_span: capture_kind_span } + CaptureVarKind::Mut { kind_span: capture_kind_span } } }, - None => Move { kind_span: capture_kind_span }, + None => CaptureVarKind::Move { kind_span: capture_kind_span }, }); }; - err.subdiagnostic(f(generator_kind, path_span)); + let diag = f(generator_kind, path_span); + match handler { + Some(hd) => err.eager_subdiagnostic(hd, diag), + None => err.subdiagnostic(diag), + }; } } @@ -684,20 +658,6 @@ impl UseSpans<'_> { } } - /// Describe the span associated with a use of a place. - pub(super) fn describe(&self) -> &str { - match *self { - UseSpans::ClosureUse { generator_kind, .. } => { - if generator_kind.is_some() { - " in generator" - } else { - " in closure" - } - } - _ => "", - } - } - pub(super) fn or_else<F>(self, if_other: F) -> Self where F: FnOnce() -> Self, @@ -788,6 +748,15 @@ impl<'tcx> BorrowedContentSource<'tcx> { } } +///helper struct for explain_captures() +struct CapturedMessageOpt { + is_partial_move: bool, + is_loop_message: bool, + is_move_msg: bool, + is_loop_move: bool, + maybe_reinitialized_locations_is_empty: bool, +} + impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { /// Finds the spans associated to a move or copy of move_place at location. pub(super) fn move_spans( @@ -874,7 +843,7 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { }) = &self.body[location.block].terminator { let Some((method_did, method_substs)) = - rustc_const_eval::util::find_self_call( + rustc_middle::util::find_self_call( self.infcx.tcx, &self.body, target_temp, @@ -1027,12 +996,15 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { move_span: Span, move_spans: UseSpans<'tcx>, moved_place: Place<'tcx>, - partially_str: &str, - loop_message: &str, - move_msg: &str, - is_loop_move: bool, - maybe_reinitialized_locations_is_empty: bool, + msg_opt: CapturedMessageOpt, ) { + let CapturedMessageOpt { + is_partial_move: is_partial, + is_loop_message, + is_move_msg, + is_loop_move, + maybe_reinitialized_locations_is_empty, + } = msg_opt; if let UseSpans::FnSelfUse { var_span, fn_call_span, fn_span, kind } = move_spans { let place_name = self .describe_place(moved_place.as_ref()) @@ -1042,30 +1014,26 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { CallKind::FnCall { fn_trait_id, .. } if Some(fn_trait_id) == self.infcx.tcx.lang_items().fn_once_trait() => { - err.span_label( + err.subdiagnostic(CaptureReasonLabel::Call { fn_call_span, - &format!( - "{place_name} {partially_str}moved due to this call{loop_message}", - ), - ); - err.span_note( - var_span, - "this value implements `FnOnce`, which causes it to be moved when called", - ); + place_name: &place_name, + is_partial, + is_loop_message, + }); + err.subdiagnostic(CaptureReasonNote::FnOnceMoveInCall { var_span }); } CallKind::Operator { self_arg, .. } => { let self_arg = self_arg.unwrap(); - err.span_label( + err.subdiagnostic(CaptureReasonLabel::OperatorUse { fn_call_span, - &format!( - "{place_name} {partially_str}moved due to usage in operator{loop_message}", - ), - ); + place_name: &place_name, + is_partial, + is_loop_message, + }); if self.fn_self_span_reported.insert(fn_span) { - err.span_note( - self_arg.span, - "calling this operator moves the left-hand side", - ); + err.subdiagnostic(CaptureReasonNote::LhsMoveByOperator { + span: self_arg.span, + }); } } CallKind::Normal { self_arg, desugaring, method_did, method_substs } => { @@ -1086,23 +1054,18 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { _ => false, }; if suggest { - err.span_suggestion_verbose( - move_span.shrink_to_lo(), - &format!( - "consider iterating over a slice of the `{ty}`'s content to \ - avoid moving into the `for` loop", - ), - "&", - Applicability::MaybeIncorrect, - ); + err.subdiagnostic(CaptureReasonSuggest::IterateSlice { + ty, + span: move_span.shrink_to_lo(), + }); } - err.span_label( + err.subdiagnostic(CaptureReasonLabel::ImplicitCall { fn_call_span, - &format!( - "{place_name} {partially_str}moved due to this implicit call to `.into_iter()`{loop_message}", - ), - ); + place_name: &place_name, + is_partial, + is_loop_message, + }); // If the moved place was a `&mut` ref, then we can // suggest to reborrow it where it was moved, so it // will still be valid by the time we get to the usage. @@ -1125,13 +1088,12 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { } } } else { - err.span_label( + err.subdiagnostic(CaptureReasonLabel::MethodCall { fn_call_span, - &format!( - "{place_name} {partially_str}moved due to this method call{loop_message}", - ), - ); - + place_name: &place_name, + is_partial, + is_loop_message, + }); let infcx = tcx.infer_ctxt().build(); // Erase and shadow everything that could be passed to the new infcx. let ty = tcx.erase_regions(moved_place.ty(self.body, tcx).ty); @@ -1147,12 +1109,11 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { ) && infcx.can_eq(self.param_env, ty, self_ty) { - err.span_suggestion_verbose( - fn_call_span.shrink_to_lo(), - "consider reborrowing the `Pin` instead of moving it", - "as_mut().".to_string(), - Applicability::MaybeIncorrect, - ); + err.eager_subdiagnostic( + &self.infcx.tcx.sess.parse_sess.span_diagnostic, + CaptureReasonSuggest::FreshReborrow { + span: fn_call_span.shrink_to_lo(), + }); } if let Some(clone_trait) = tcx.lang_items().clone_trait() && let trait_ref = tcx.mk_trait_ref(clone_trait, [ty]) @@ -1177,10 +1138,11 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { // error messages. if span != DUMMY_SP && self.fn_self_span_reported.insert(self_arg.span) { let func = tcx.def_path_str(method_did); - err.span_note( - self_arg.span, - &format!("`{func}` takes ownership of the receiver `self`, which moves {place_name}") - ); + err.subdiagnostic(CaptureReasonNote::FuncTakeSelf { + func, + place_name, + span: self_arg.span, + }); } let parent_did = tcx.parent(method_did); let parent_self_ty = @@ -1194,30 +1156,28 @@ impl<'cx, 'tcx> MirBorrowckCtxt<'cx, 'tcx> { matches!(tcx.get_diagnostic_name(def_id), Some(sym::Option | sym::Result)) }); if is_option_or_result && maybe_reinitialized_locations_is_empty { - err.span_label( - var_span, - "help: consider calling `.as_ref()` or `.as_mut()` to borrow the type's contents", - ); + err.subdiagnostic(CaptureReasonLabel::BorrowContent { var_span }); } } // Other desugarings takes &self, which cannot cause a move _ => {} } } else { - if move_span != span || !loop_message.is_empty() { - err.span_label( + if move_span != span || is_loop_message { + err.subdiagnostic(CaptureReasonLabel::MovedHere { move_span, - format!("value {partially_str}moved{move_msg} here{loop_message}"), - ); + is_partial, + is_move_msg, + is_loop_message, + }); } // If the move error occurs due to a loop, don't show // another message for the same span - if loop_message.is_empty() { - move_spans.var_span_label( - err, - format!("variable {partially_str}moved due to use{}", move_spans.describe()), - "moved", - ); + if !is_loop_message { + move_spans.var_subdiag(None, err, None, |kind, var_span| match kind { + Some(_) => CaptureVarCause::PartialMoveUseInGenerator { var_span, is_partial }, + None => CaptureVarCause::PartialMoveUseInClosure { var_span, is_partial }, + }) } } } diff --git a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs index 3662bec0c76..67af96a71e3 100644 --- a/compiler/rustc_borrowck/src/diagnostics/move_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/move_errors.rs @@ -6,6 +6,7 @@ use rustc_mir_dataflow::move_paths::{ }; use rustc_span::{BytePos, Span}; +use crate::diagnostics::CapturedMessageOpt; use crate::diagnostics::{DescribePlaceOpt, UseSpans}; use crate::prefixes::PrefixSet; use crate::MirBorrowckCtxt; @@ -397,10 +398,15 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { } } }; + let msg_opt = CapturedMessageOpt { + is_partial_move: false, + is_loop_message: false, + is_move_msg: false, + is_loop_move: false, + maybe_reinitialized_locations_is_empty: true, + }; if let Some(use_spans) = use_spans { - self.explain_captures( - &mut err, span, span, use_spans, move_place, "", "", "", false, true, - ); + self.explain_captures(&mut err, span, span, use_spans, move_place, msg_opt); } err } @@ -416,13 +422,12 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { None => "value".to_string(), }; - self.note_type_does_not_implement_copy( - err, - &place_desc, - place_ty, - Some(span), - "", - ); + err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { + is_partial_move: false, + ty: place_ty, + place: &place_desc, + span, + }); } else { binds_to.sort(); binds_to.dedup(); @@ -444,9 +449,19 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { Some(desc) => format!("`{desc}`"), None => "value".to_string(), }; - self.note_type_does_not_implement_copy(err, &place_desc, place_ty, Some(span), ""); + err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { + is_partial_move: false, + ty: place_ty, + place: &place_desc, + span, + }); - use_spans.args_span_label(err, format!("{place_desc} is moved here")); + use_spans.args_subdiag(err, |args_span| { + crate::session_diagnostics::CaptureArgLabel::MoveOutPlace { + place: place_desc, + args_span, + } + }); } } } @@ -534,13 +549,13 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { } if binds_to.len() == 1 { - self.note_type_does_not_implement_copy( - err, - &format!("`{}`", self.local_names[*local].unwrap()), - bind_to.ty, - Some(binding_span), - "", - ); + let place_desc = &format!("`{}`", self.local_names[*local].unwrap()); + err.subdiagnostic(crate::session_diagnostics::TypeNoCopy::Label { + is_partial_move: false, + ty: bind_to.ty, + place: &place_desc, + span: binding_span, + }); } } diff --git a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs index 9d904009650..eb5f166548d 100644 --- a/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs +++ b/compiler/rustc_borrowck/src/diagnostics/mutability_errors.rs @@ -15,8 +15,8 @@ use rustc_span::{sym, BytePos, Span}; use rustc_target::abi::FieldIdx; use crate::diagnostics::BorrowedContentSource; +use crate::util::FindAssignments; use crate::MirBorrowckCtxt; -use rustc_const_eval::util::collect_writes::FindAssignments; #[derive(Copy, Clone, Debug, Eq, PartialEq)] pub(crate) enum AccessKind { @@ -231,14 +231,18 @@ impl<'a, 'tcx> MirBorrowckCtxt<'a, 'tcx> { } } if suggest { - borrow_spans.var_span_label( - &mut err, - format!( - "mutable borrow occurs due to use of {} in closure", - self.describe_any_place(access_place.as_ref()), - ), - "mutable", - ); + borrow_spans.var_subdiag( + None, + &mut err, + Some(mir::BorrowKind::Mut { allow_two_phase_borrow: false }), + |_kind, var_span| { + let place = self.describe_any_place(access_place.as_ref()); + crate::session_diagnostics::CaptureVarCause::MutableBorrowUsePlaceClosure { + place, + var_span, + } + }, + ); } borrow_span } diff --git a/compiler/rustc_borrowck/src/diagnostics/region_name.rs b/compiler/rustc_borrowck/src/diagnostics/region_name.rs index cc5a1f5ab12..f69c4829ae2 100644 --- a/compiler/rustc_borrowck/src/diagnostics/region_name.rs +++ b/compiler/rustc_borrowck/src/diagnostics/region_name.rs @@ -10,7 +10,7 @@ use rustc_middle::ty::{self, RegionVid, Ty}; use rustc_span::symbol::{kw, sym, Ident, Symbol}; use rustc_span::{Span, DUMMY_SP}; -use crate::{nll::ToRegionVid, universal_regions::DefiningTy, MirBorrowckCtxt}; +use crate::{universal_regions::DefiningTy, MirBorrowckCtxt}; /// A name for a particular region used in emitting diagnostics. This name could be a generated /// name like `'1`, a name used by the user like `'a`, or a name like `'static`. @@ -497,7 +497,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { // & // - let's call the lifetime of this reference `'1` (ty::Ref(region, referent_ty, _), hir::TyKind::Ref(_lifetime, referent_hir_ty)) => { - if region.to_region_vid() == needle_fr { + if region.as_var() == needle_fr { // Just grab the first character, the `&`. let source_map = self.infcx.tcx.sess.source_map(); let ampersand_span = source_map.start_point(hir_ty.span); @@ -598,7 +598,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { for (kind, hir_arg) in iter::zip(substs, args.args) { match (kind.unpack(), hir_arg) { (GenericArgKind::Lifetime(r), hir::GenericArg::Lifetime(lt)) => { - if r.to_region_vid() == needle_fr { + if r.as_var() == needle_fr { return Some(lt); } } @@ -666,7 +666,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { let return_ty = self.regioncx.universal_regions().unnormalized_output_ty; debug!("give_name_if_anonymous_region_appears_in_output: return_ty = {:?}", return_ty); - if !tcx.any_free_region_meets(&return_ty, |r| r.to_region_vid() == fr) { + if !tcx.any_free_region_meets(&return_ty, |r| r.as_var() == fr) { return None; } @@ -803,7 +803,7 @@ impl<'tcx> MirBorrowckCtxt<'_, 'tcx> { let tcx = self.infcx.tcx; - if !tcx.any_free_region_meets(&yield_ty, |r| r.to_region_vid() == fr) { + if !tcx.any_free_region_meets(&yield_ty, |r| r.as_var() == fr) { return None; } diff --git a/compiler/rustc_borrowck/src/diagnostics/var_name.rs b/compiler/rustc_borrowck/src/diagnostics/var_name.rs index 80b2787ce0c..aa7cf3578ea 100644 --- a/compiler/rustc_borrowck/src/diagnostics/var_name.rs +++ b/compiler/rustc_borrowck/src/diagnostics/var_name.rs @@ -1,9 +1,9 @@ #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] +use crate::region_infer::RegionInferenceContext; use crate::Upvar; -use crate::{nll::ToRegionVid, region_infer::RegionInferenceContext}; -use rustc_index::vec::{Idx, IndexSlice}; +use rustc_index::vec::IndexSlice; use rustc_middle::mir::{Body, Local}; use rustc_middle::ty::{RegionVid, TyCtxt}; use rustc_span::source_map::Span; @@ -46,7 +46,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { self.universal_regions().defining_ty.upvar_tys().position(|upvar_ty| { debug!("get_upvar_index_for_region: upvar_ty={upvar_ty:?}"); tcx.any_free_region_meets(&upvar_ty, |r| { - let r = r.to_region_vid(); + let r = r.as_var(); debug!("get_upvar_index_for_region: r={r:?} fr={fr:?}"); r == fr }) @@ -96,7 +96,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { self.universal_regions().unnormalized_input_tys.iter().skip(implicit_inputs).position( |arg_ty| { debug!("get_argument_index_for_region: arg_ty = {arg_ty:?}"); - tcx.any_free_region_meets(arg_ty, |r| r.to_region_vid() == fr) + tcx.any_free_region_meets(arg_ty, |r| r.as_var() == fr) }, )?; @@ -117,7 +117,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { argument_index: usize, ) -> (Option<Symbol>, Span) { let implicit_inputs = self.universal_regions().defining_ty.implicit_inputs(); - let argument_local = Local::new(implicit_inputs + argument_index + 1); + let argument_local = Local::from_usize(implicit_inputs + argument_index + 1); debug!("get_argument_name_and_span_for_region: argument_local={argument_local:?}"); let argument_name = local_names[argument_local]; diff --git a/compiler/rustc_borrowck/src/facts.rs b/compiler/rustc_borrowck/src/facts.rs index 02ffb51fbb7..87fad9a355d 100644 --- a/compiler/rustc_borrowck/src/facts.rs +++ b/compiler/rustc_borrowck/src/facts.rs @@ -4,7 +4,6 @@ use crate::location::{LocationIndex, LocationTable}; use crate::BorrowIndex; use polonius_engine::AllFacts as PoloniusFacts; use polonius_engine::Atom; -use rustc_index::vec::Idx; use rustc_middle::mir::Local; use rustc_middle::ty::{RegionVid, TyCtxt}; use rustc_mir_dataflow::move_paths::MovePathIndex; @@ -93,13 +92,13 @@ impl AllFactsExt for AllFacts { impl Atom for BorrowIndex { fn index(self) -> usize { - Idx::index(self) + self.as_usize() } } impl Atom for LocationIndex { fn index(self) -> usize { - Idx::index(self) + self.as_usize() } } diff --git a/compiler/rustc_borrowck/src/lib.rs b/compiler/rustc_borrowck/src/lib.rs index 3d876155fc9..fdd82c7e3b2 100644 --- a/compiler/rustc_borrowck/src/lib.rs +++ b/compiler/rustc_borrowck/src/lib.rs @@ -88,13 +88,14 @@ mod session_diagnostics; mod type_check; mod universal_regions; mod used_muts; +mod util; /// A public API provided for the Rust compiler consumers. pub mod consumers; use borrow_set::{BorrowData, BorrowSet}; use dataflow::{BorrowIndex, BorrowckFlowState as Flows, BorrowckResults, Borrows}; -use nll::{PoloniusOutput, ToRegionVid}; +use nll::PoloniusOutput; use place_ext::PlaceExt; use places_conflict::{places_conflict, PlaceConflictBias}; use region_infer::RegionInferenceContext; @@ -507,9 +508,7 @@ impl<'cx, 'tcx> BorrowckInferCtxt<'cx, 'tcx> { F: Fn() -> RegionCtxt, { let next_region = self.infcx.next_region_var(origin); - let vid = next_region - .as_var() - .unwrap_or_else(|| bug!("expected RegionKind::RegionVar on {:?}", next_region)); + let vid = next_region.as_var(); if cfg!(debug_assertions) && !self.inside_canonicalization_ctxt() { debug!("inserting vid {:?} with origin {:?} into var_to_origin", vid, origin); @@ -530,10 +529,8 @@ impl<'cx, 'tcx> BorrowckInferCtxt<'cx, 'tcx> { where F: Fn() -> RegionCtxt, { - let next_region = self.infcx.next_nll_region_var(origin.clone()); - let vid = next_region - .as_var() - .unwrap_or_else(|| bug!("expected RegionKind::RegionVar on {:?}", next_region)); + let next_region = self.infcx.next_nll_region_var(origin); + let vid = next_region.as_var(); if cfg!(debug_assertions) && !self.inside_canonicalization_ctxt() { debug!("inserting vid {:?} with origin {:?} into var_to_origin", vid, origin); diff --git a/compiler/rustc_borrowck/src/location.rs b/compiler/rustc_borrowck/src/location.rs index 288b7d85be2..08fa912f368 100644 --- a/compiler/rustc_borrowck/src/location.rs +++ b/compiler/rustc_borrowck/src/location.rs @@ -1,6 +1,6 @@ #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] -use rustc_index::vec::{Idx, IndexVec}; +use rustc_index::vec::IndexVec; use rustc_middle::mir::{BasicBlock, Body, Location}; /// Maps between a MIR Location, which identifies a particular @@ -50,19 +50,19 @@ impl LocationTable { } pub fn all_points(&self) -> impl Iterator<Item = LocationIndex> { - (0..self.num_points).map(LocationIndex::new) + (0..self.num_points).map(LocationIndex::from_usize) } pub fn start_index(&self, location: Location) -> LocationIndex { let Location { block, statement_index } = location; let start_index = self.statements_before_block[block]; - LocationIndex::new(start_index + statement_index * 2) + LocationIndex::from_usize(start_index + statement_index * 2) } pub fn mid_index(&self, location: Location) -> LocationIndex { let Location { block, statement_index } = location; let start_index = self.statements_before_block[block]; - LocationIndex::new(start_index + statement_index * 2 + 1) + LocationIndex::from_usize(start_index + statement_index * 2 + 1) } pub fn to_location(&self, index: LocationIndex) -> RichLocation { diff --git a/compiler/rustc_borrowck/src/nll.rs b/compiler/rustc_borrowck/src/nll.rs index 06ecbdb1707..73b8765e57d 100644 --- a/compiler/rustc_borrowck/src/nll.rs +++ b/compiler/rustc_borrowck/src/nll.rs @@ -7,10 +7,10 @@ use rustc_hir::def_id::LocalDefId; use rustc_index::vec::IndexSlice; use rustc_middle::mir::{create_dump_file, dump_enabled, dump_mir, PassWhere}; use rustc_middle::mir::{ - BasicBlock, Body, ClosureOutlivesSubject, ClosureRegionRequirements, LocalKind, Location, - Promoted, + Body, ClosureOutlivesSubject, ClosureRegionRequirements, LocalKind, Location, Promoted, + START_BLOCK, }; -use rustc_middle::ty::{self, OpaqueHiddenType, Region, RegionVid, TyCtxt}; +use rustc_middle::ty::{self, OpaqueHiddenType, TyCtxt}; use rustc_span::symbol::sym; use std::env; use std::io; @@ -94,8 +94,8 @@ fn populate_polonius_move_facts( } } - let fn_entry_start = location_table - .start_index(Location { block: BasicBlock::from_u32(0u32), statement_index: 0 }); + let fn_entry_start = + location_table.start_index(Location { block: START_BLOCK, statement_index: 0 }); // initialized_at for init in move_data.inits.iter() { @@ -444,27 +444,6 @@ fn for_each_region_constraint<'tcx>( Ok(()) } -/// Right now, we piggy back on the `ReVar` to store our NLL inference -/// regions. These are indexed with `RegionVid`. This method will -/// assert that the region is a `ReVar` and extract its internal index. -/// This is reasonable because in our MIR we replace all universal regions -/// with inference variables. -pub trait ToRegionVid { - fn to_region_vid(self) -> RegionVid; -} - -impl<'tcx> ToRegionVid for Region<'tcx> { - fn to_region_vid(self) -> RegionVid { - if let ty::ReVar(vid) = *self { vid } else { bug!("region is not an ReVar: {:?}", self) } - } -} - -impl ToRegionVid for RegionVid { - fn to_region_vid(self) -> RegionVid { - self - } -} - pub(crate) trait ConstraintDescription { fn description(&self) -> &'static str; } diff --git a/compiler/rustc_borrowck/src/region_infer/mod.rs b/compiler/rustc_borrowck/src/region_infer/mod.rs index f67af4584a4..729f3dbff3b 100644 --- a/compiler/rustc_borrowck/src/region_infer/mod.rs +++ b/compiler/rustc_borrowck/src/region_infer/mod.rs @@ -27,7 +27,7 @@ use crate::{ }, diagnostics::{RegionErrorKind, RegionErrors, UniverseInfo}, member_constraints::{MemberConstraintSet, NllMemberConstraintIndex}, - nll::{PoloniusOutput, ToRegionVid}, + nll::PoloniusOutput, region_infer::reverse_sccs::ReverseSccGraph, region_infer::values::{ LivenessValues, PlaceholderIndices, RegionElement, RegionValueElements, RegionValues, @@ -593,14 +593,14 @@ impl<'tcx> RegionInferenceContext<'tcx> { /// Returns `true` if the region `r` contains the point `p`. /// /// Panics if called before `solve()` executes, - pub(crate) fn region_contains(&self, r: impl ToRegionVid, p: impl ToElementIndex) -> bool { - let scc = self.constraint_sccs.scc(r.to_region_vid()); + pub(crate) fn region_contains(&self, r: RegionVid, p: impl ToElementIndex) -> bool { + let scc = self.constraint_sccs.scc(r); self.scc_values.contains(scc, p) } /// Returns access to the value of `r` for debugging purposes. pub(crate) fn region_value_str(&self, r: RegionVid) -> String { - let scc = self.constraint_sccs.scc(r.to_region_vid()); + let scc = self.constraint_sccs.scc(r); self.scc_values.region_value_str(scc) } @@ -608,24 +608,21 @@ impl<'tcx> RegionInferenceContext<'tcx> { &'a self, r: RegionVid, ) -> impl Iterator<Item = ty::PlaceholderRegion> + 'a { - let scc = self.constraint_sccs.scc(r.to_region_vid()); + let scc = self.constraint_sccs.scc(r); self.scc_values.placeholders_contained_in(scc) } /// Returns access to the value of `r` for debugging purposes. pub(crate) fn region_universe(&self, r: RegionVid) -> ty::UniverseIndex { - let scc = self.constraint_sccs.scc(r.to_region_vid()); + let scc = self.constraint_sccs.scc(r); self.scc_universes[scc] } /// Once region solving has completed, this function will return /// the member constraints that were applied to the value of a given /// region `r`. See `AppliedMemberConstraint`. - pub(crate) fn applied_member_constraints( - &self, - r: impl ToRegionVid, - ) -> &[AppliedMemberConstraint] { - let scc = self.constraint_sccs.scc(r.to_region_vid()); + pub(crate) fn applied_member_constraints(&self, r: RegionVid) -> &[AppliedMemberConstraint] { + let scc = self.constraint_sccs.scc(r); binary_search_util::binary_search_slice( &self.member_constraints_applied, |applied| applied.member_region_scc, @@ -1133,7 +1130,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { let r_vid = self.to_region_vid(r); let r_scc = self.constraint_sccs.scc(r_vid); - // The challenge if this. We have some region variable `r` + // The challenge is this. We have some region variable `r` // whose value is a set of CFG points and universal // regions. We want to find if that set is *equivalent* to // any of the named regions found in the closure. @@ -2234,7 +2231,7 @@ impl<'tcx> RegionInferenceContext<'tcx> { r: RegionVid, body: &Body<'_>, ) -> Option<Location> { - let scc = self.constraint_sccs.scc(r.to_region_vid()); + let scc = self.constraint_sccs.scc(r); let locations = self.scc_values.locations_outlived_by(scc); for location in locations { let bb = &body[location.block]; diff --git a/compiler/rustc_borrowck/src/renumber.rs b/compiler/rustc_borrowck/src/renumber.rs index 0fbf01dbe44..94ce29dfe51 100644 --- a/compiler/rustc_borrowck/src/renumber.rs +++ b/compiler/rustc_borrowck/src/renumber.rs @@ -20,31 +20,13 @@ pub fn renumber_mir<'tcx>( ) { debug!(?body.arg_count); - let mut visitor = NllVisitor { infcx }; + let mut renumberer = RegionRenumberer { infcx }; for body in promoted.iter_mut() { - visitor.visit_body(body); + renumberer.visit_body(body); } - visitor.visit_body(body); -} - -/// Replaces all regions appearing in `value` with fresh inference -/// variables. -#[instrument(skip(infcx, get_ctxt_fn), level = "debug")] -pub(crate) fn renumber_regions<'tcx, T, F>( - infcx: &BorrowckInferCtxt<'_, 'tcx>, - value: T, - get_ctxt_fn: F, -) -> T -where - T: TypeFoldable<TyCtxt<'tcx>>, - F: Fn() -> RegionCtxt, -{ - infcx.tcx.fold_regions(value, |_region, _depth| { - let origin = NllRegionVariableOrigin::Existential { from_forall: false }; - infcx.next_nll_region_var(origin, || get_ctxt_fn()) - }) + renumberer.visit_body(body); } #[derive(Copy, Clone, Debug, Eq, PartialEq, Hash)] @@ -69,12 +51,10 @@ impl RegionCtxt { /// Used to determine the representative of a component in the strongly connected /// constraint graph pub(crate) fn preference_value(self) -> usize { - let _anon = Symbol::intern("anon"); - match self { RegionCtxt::Unknown => 1, RegionCtxt::Existential(None) => 2, - RegionCtxt::Existential(Some(_anon)) | RegionCtxt::Free(_anon) => 2, + RegionCtxt::Existential(Some(_)) | RegionCtxt::Free(_) => 2, RegionCtxt::Location(_) => 3, RegionCtxt::TyContext(_) => 4, _ => 5, @@ -82,21 +62,26 @@ impl RegionCtxt { } } -struct NllVisitor<'a, 'tcx> { +struct RegionRenumberer<'a, 'tcx> { infcx: &'a BorrowckInferCtxt<'a, 'tcx>, } -impl<'a, 'tcx> NllVisitor<'a, 'tcx> { +impl<'a, 'tcx> RegionRenumberer<'a, 'tcx> { + /// Replaces all regions appearing in `value` with fresh inference + /// variables. fn renumber_regions<T, F>(&mut self, value: T, region_ctxt_fn: F) -> T where T: TypeFoldable<TyCtxt<'tcx>>, F: Fn() -> RegionCtxt, { - renumber_regions(self.infcx, value, region_ctxt_fn) + let origin = NllRegionVariableOrigin::Existential { from_forall: false }; + self.infcx.tcx.fold_regions(value, |_region, _depth| { + self.infcx.next_nll_region_var(origin, || region_ctxt_fn()) + }) } } -impl<'a, 'tcx> MutVisitor<'tcx> for NllVisitor<'a, 'tcx> { +impl<'a, 'tcx> MutVisitor<'tcx> for RegionRenumberer<'a, 'tcx> { fn tcx(&self) -> TyCtxt<'tcx> { self.infcx.tcx } @@ -124,9 +109,9 @@ impl<'a, 'tcx> MutVisitor<'tcx> for NllVisitor<'a, 'tcx> { } #[instrument(skip(self), level = "debug")] - fn visit_constant(&mut self, constant: &mut Constant<'tcx>, _location: Location) { + fn visit_constant(&mut self, constant: &mut Constant<'tcx>, location: Location) { let literal = constant.literal; - constant.literal = self.renumber_regions(literal, || RegionCtxt::Location(_location)); + constant.literal = self.renumber_regions(literal, || RegionCtxt::Location(location)); debug!("constant: {:#?}", constant); } } diff --git a/compiler/rustc_borrowck/src/session_diagnostics.rs b/compiler/rustc_borrowck/src/session_diagnostics.rs index a3678929099..bb95101845f 100644 --- a/compiler/rustc_borrowck/src/session_diagnostics.rs +++ b/compiler/rustc_borrowck/src/session_diagnostics.rs @@ -184,7 +184,7 @@ pub(crate) enum CaptureVarPathUseCause { #[derive(Subdiagnostic)] pub(crate) enum CaptureVarKind { #[label(borrowck_capture_immute)] - Immute { + Immut { #[primary_span] kind_span: Span, }, @@ -204,16 +204,80 @@ pub(crate) enum CaptureVarKind { pub(crate) enum CaptureVarCause { #[label(borrowck_var_borrow_by_use_place_in_generator)] BorrowUsePlaceGenerator { + is_single_var: bool, place: String, #[primary_span] var_span: Span, }, #[label(borrowck_var_borrow_by_use_place_in_closure)] BorrowUsePlaceClosure { + is_single_var: bool, place: String, #[primary_span] var_span: Span, }, + #[label(borrowck_var_borrow_by_use_in_generator)] + BorrowUseInGenerator { + #[primary_span] + var_span: Span, + }, + #[label(borrowck_var_borrow_by_use_in_closure)] + BorrowUseInClosure { + #[primary_span] + var_span: Span, + }, + #[label(borrowck_var_move_by_use_in_generator)] + MoveUseInGenerator { + #[primary_span] + var_span: Span, + }, + #[label(borrowck_var_move_by_use_in_closure)] + MoveUseInClosure { + #[primary_span] + var_span: Span, + }, + #[label(borrowck_var_first_borrow_by_use_place_in_generator)] + FirstBorrowUsePlaceGenerator { + place: String, + #[primary_span] + var_span: Span, + }, + #[label(borrowck_var_first_borrow_by_use_place_in_closure)] + FirstBorrowUsePlaceClosure { + place: String, + #[primary_span] + var_span: Span, + }, + #[label(borrowck_var_second_borrow_by_use_place_in_generator)] + SecondBorrowUsePlaceGenerator { + place: String, + #[primary_span] + var_span: Span, + }, + #[label(borrowck_var_second_borrow_by_use_place_in_closure)] + SecondBorrowUsePlaceClosure { + place: String, + #[primary_span] + var_span: Span, + }, + #[label(borrowck_var_mutable_borrow_by_use_place_in_closure)] + MutableBorrowUsePlaceClosure { + place: String, + #[primary_span] + var_span: Span, + }, + #[label(borrowck_partial_var_move_by_use_in_generator)] + PartialMoveUseInGenerator { + #[primary_span] + var_span: Span, + is_partial: bool, + }, + #[label(borrowck_partial_var_move_by_use_in_closure)] + PartialMoveUseInClosure { + #[primary_span] + var_span: Span, + is_partial: bool, + }, } #[derive(Diagnostic)] @@ -239,3 +303,144 @@ pub(crate) struct NonGenericOpaqueTypeParam<'a, 'tcx> { #[label] pub param_span: Span, } + +#[derive(Subdiagnostic)] +pub(crate) enum CaptureReasonLabel<'a> { + #[label(borrowck_moved_due_to_call)] + Call { + #[primary_span] + fn_call_span: Span, + place_name: &'a str, + is_partial: bool, + is_loop_message: bool, + }, + #[label(borrowck_moved_due_to_usage_in_operator)] + OperatorUse { + #[primary_span] + fn_call_span: Span, + place_name: &'a str, + is_partial: bool, + is_loop_message: bool, + }, + #[label(borrowck_moved_due_to_implicit_into_iter_call)] + ImplicitCall { + #[primary_span] + fn_call_span: Span, + place_name: &'a str, + is_partial: bool, + is_loop_message: bool, + }, + #[label(borrowck_moved_due_to_method_call)] + MethodCall { + #[primary_span] + fn_call_span: Span, + place_name: &'a str, + is_partial: bool, + is_loop_message: bool, + }, + #[label(borrowck_value_moved_here)] + MovedHere { + #[primary_span] + move_span: Span, + is_partial: bool, + is_move_msg: bool, + is_loop_message: bool, + }, + #[label(borrowck_consider_borrow_type_contents)] + BorrowContent { + #[primary_span] + var_span: Span, + }, +} + +#[derive(Subdiagnostic)] +pub(crate) enum CaptureReasonNote { + #[note(borrowck_moved_a_fn_once_in_call)] + FnOnceMoveInCall { + #[primary_span] + var_span: Span, + }, + #[note(borrowck_calling_operator_moves_lhs)] + LhsMoveByOperator { + #[primary_span] + span: Span, + }, + #[note(borrowck_func_take_self_moved_place)] + FuncTakeSelf { + func: String, + place_name: String, + #[primary_span] + span: Span, + }, +} + +#[derive(Subdiagnostic)] +pub(crate) enum CaptureReasonSuggest<'tcx> { + #[suggestion( + borrowck_suggest_iterate_over_slice, + applicability = "maybe-incorrect", + code = "&", + style = "verbose" + )] + IterateSlice { + ty: Ty<'tcx>, + #[primary_span] + span: Span, + }, + #[suggestion( + borrowck_suggest_create_freash_reborrow, + applicability = "maybe-incorrect", + code = "as_mut().", + style = "verbose" + )] + FreshReborrow { + #[primary_span] + span: Span, + }, +} + +#[derive(Subdiagnostic)] +pub(crate) enum CaptureArgLabel { + #[label(borrowck_value_capture_here)] + Capture { + is_within: bool, + #[primary_span] + args_span: Span, + }, + #[label(borrowck_move_out_place_here)] + MoveOutPlace { + place: String, + #[primary_span] + args_span: Span, + }, +} + +#[derive(Subdiagnostic)] +pub(crate) enum OnClosureNote<'a> { + #[note(borrowck_closure_invoked_twice)] + InvokedTwice { + place_name: &'a str, + #[primary_span] + span: Span, + }, + #[note(borrowck_closure_moved_twice)] + MovedTwice { + place_name: &'a str, + #[primary_span] + span: Span, + }, +} + +#[derive(Subdiagnostic)] +pub(crate) enum TypeNoCopy<'a, 'tcx> { + #[label(borrowck_ty_no_impl_copy)] + Label { + is_partial_move: bool, + ty: Ty<'tcx>, + place: &'a str, + #[primary_span] + span: Span, + }, + #[note(borrowck_ty_no_impl_copy)] + Note { is_partial_move: bool, ty: Ty<'tcx>, place: &'a str }, +} diff --git a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs index a9356135006..71eae7b27d1 100644 --- a/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs +++ b/compiler/rustc_borrowck/src/type_check/constraint_conversion.rs @@ -12,7 +12,6 @@ use rustc_span::{Span, DUMMY_SP}; use crate::{ constraints::OutlivesConstraint, - nll::ToRegionVid, region_infer::TypeTest, type_check::{Locations, MirTypeckRegionConstraints}, universal_regions::UniversalRegions, @@ -198,7 +197,7 @@ impl<'a, 'tcx> ConstraintConversion<'a, 'tcx> { fn to_region_vid(&mut self, r: ty::Region<'tcx>) -> ty::RegionVid { if let ty::RePlaceholder(placeholder) = *r { - self.constraints.placeholder_region(self.infcx, placeholder).to_region_vid() + self.constraints.placeholder_region(self.infcx, placeholder).as_var() } else { self.universal_regions.to_region_vid(r) } diff --git a/compiler/rustc_borrowck/src/type_check/input_output.rs b/compiler/rustc_borrowck/src/type_check/input_output.rs index 17e702eb8c5..9250b8d3eaf 100644 --- a/compiler/rustc_borrowck/src/type_check/input_output.rs +++ b/compiler/rustc_borrowck/src/type_check/input_output.rs @@ -7,7 +7,6 @@ //! `RETURN_PLACE` the MIR arguments) are always fully normalized (and //! contain revealed `impl Trait` values). -use rustc_index::vec::Idx; use rustc_infer::infer::LateBoundRegionConversionTime; use rustc_middle::mir::*; use rustc_middle::ty::{self, Ty}; @@ -83,7 +82,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { } // In MIR, argument N is stored in local N+1. - let local = Local::new(argument_index + 1); + let local = Local::from_usize(argument_index + 1); let mir_input_ty = body.local_decls[local].ty; diff --git a/compiler/rustc_borrowck/src/type_check/liveness/mod.rs b/compiler/rustc_borrowck/src/type_check/liveness/mod.rs index a411aec518e..f1ad0ca55cc 100644 --- a/compiler/rustc_borrowck/src/type_check/liveness/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/liveness/mod.rs @@ -11,7 +11,6 @@ use crate::{ constraints::OutlivesConstraintSet, facts::{AllFacts, AllFactsExt}, location::LocationTable, - nll::ToRegionVid, region_infer::values::RegionValueElements, universal_regions::UniversalRegions, }; @@ -80,9 +79,7 @@ fn compute_relevant_live_locals<'tcx>( ) -> (Vec<Local>, Vec<Local>) { let (boring_locals, relevant_live_locals): (Vec<_>, Vec<_>) = body.local_decls.iter_enumerated().partition_map(|(local, local_decl)| { - if tcx.all_free_regions_meet(&local_decl.ty, |r| { - free_regions.contains(&r.to_region_vid()) - }) { + if tcx.all_free_regions_meet(&local_decl.ty, |r| free_regions.contains(&r.as_var())) { Either::Left(local) } else { Either::Right(local) diff --git a/compiler/rustc_borrowck/src/type_check/mod.rs b/compiler/rustc_borrowck/src/type_check/mod.rs index 624a4a00c31..375eca1b29d 100644 --- a/compiler/rustc_borrowck/src/type_check/mod.rs +++ b/compiler/rustc_borrowck/src/type_check/mod.rs @@ -35,6 +35,7 @@ use rustc_middle::ty::{ OpaqueHiddenType, OpaqueTypeKey, RegionVid, Ty, TyCtxt, UserType, UserTypeAnnotationIndex, }; use rustc_span::def_id::CRATE_DEF_ID; +use rustc_span::symbol::sym; use rustc_span::{Span, DUMMY_SP}; use rustc_target::abi::{FieldIdx, FIRST_VARIANT}; use rustc_trait_selection::traits::query::type_op::custom::scrape_region_constraints; @@ -55,7 +56,6 @@ use crate::{ facts::AllFacts, location::LocationTable, member_constraints::MemberConstraintSet, - nll::ToRegionVid, path_utils, region_infer::values::{ LivenessValues, PlaceholderIndex, PlaceholderIndices, RegionValueElements, @@ -1338,18 +1338,13 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { }; let (sig, map) = tcx.replace_late_bound_regions(sig, |br| { use crate::renumber::{BoundRegionInfo, RegionCtxt}; - use rustc_span::Symbol; let region_ctxt_fn = || { let reg_info = match br.kind { ty::BoundRegionKind::BrAnon(Some(span)) => BoundRegionInfo::Span(span), - ty::BoundRegionKind::BrAnon(..) => { - BoundRegionInfo::Name(Symbol::intern("anon")) - } + ty::BoundRegionKind::BrAnon(..) => BoundRegionInfo::Name(sym::anon), ty::BoundRegionKind::BrNamed(_, name) => BoundRegionInfo::Name(name), - ty::BoundRegionKind::BrEnv => { - BoundRegionInfo::Name(Symbol::intern("env")) - } + ty::BoundRegionKind::BrEnv => BoundRegionInfo::Name(sym::env), }; RegionCtxt::LateBound(reg_info) @@ -2423,7 +2418,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { if let Some(all_facts) = all_facts { let _prof_timer = self.infcx.tcx.prof.generic_activity("polonius_fact_generation"); if let Some(borrow_index) = borrow_set.get_index_of(&location) { - let region_vid = borrow_region.to_region_vid(); + let region_vid = borrow_region.as_var(); all_facts.loan_issued_at.push(( region_vid, borrow_index, @@ -2469,8 +2464,8 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { match base_ty.kind() { ty::Ref(ref_region, _, mutbl) => { constraints.outlives_constraints.push(OutlivesConstraint { - sup: ref_region.to_region_vid(), - sub: borrow_region.to_region_vid(), + sup: ref_region.as_var(), + sub: borrow_region.as_var(), locations: location.to_locations(), span: location.to_locations().span(body), category, @@ -2600,7 +2595,7 @@ impl<'a, 'tcx> TypeChecker<'a, 'tcx> { self.implicit_region_bound, self.param_env, location.to_locations(), - DUMMY_SP, // irrelevant; will be overrided. + DUMMY_SP, // irrelevant; will be overridden. ConstraintCategory::Boring, // same as above. &mut self.borrowck_context.constraints, ) diff --git a/compiler/rustc_borrowck/src/type_check/relate_tys.rs b/compiler/rustc_borrowck/src/type_check/relate_tys.rs index 83429f2ddef..7e6d17ec343 100644 --- a/compiler/rustc_borrowck/src/type_check/relate_tys.rs +++ b/compiler/rustc_borrowck/src/type_check/relate_tys.rs @@ -4,6 +4,7 @@ use rustc_infer::traits::PredicateObligations; use rustc_middle::mir::ConstraintCategory; use rustc_middle::ty::relate::TypeRelation; use rustc_middle::ty::{self, Ty}; +use rustc_span::symbol::sym; use rustc_span::{Span, Symbol}; use rustc_trait_selection::traits::query::Fallible; @@ -125,18 +126,14 @@ impl<'tcx> TypeRelatingDelegate<'tcx> for NllTypeRelatingDelegate<'_, '_, 'tcx> let reg_info = match placeholder.bound.kind { ty::BoundRegionKind::BrAnon(Some(span)) => BoundRegionInfo::Span(span), - ty::BoundRegionKind::BrAnon(..) => BoundRegionInfo::Name(Symbol::intern("anon")), + ty::BoundRegionKind::BrAnon(..) => BoundRegionInfo::Name(sym::anon), ty::BoundRegionKind::BrNamed(_, name) => BoundRegionInfo::Name(name), - ty::BoundRegionKind::BrEnv => BoundRegionInfo::Name(Symbol::intern("env")), + ty::BoundRegionKind::BrEnv => BoundRegionInfo::Name(sym::env), }; - let reg_var = - reg.as_var().unwrap_or_else(|| bug!("expected region {:?} to be of kind ReVar", reg)); - if cfg!(debug_assertions) && !self.type_checker.infcx.inside_canonicalization_ctxt() { let mut var_to_origin = self.type_checker.infcx.reg_var_to_origin.borrow_mut(); - debug!(?reg_var); - var_to_origin.insert(reg_var, RegionCtxt::Placeholder(reg_info)); + var_to_origin.insert(reg.as_var(), RegionCtxt::Placeholder(reg_info)); } reg @@ -149,12 +146,9 @@ impl<'tcx> TypeRelatingDelegate<'tcx> for NllTypeRelatingDelegate<'_, '_, 'tcx> universe, ); - let reg_var = - reg.as_var().unwrap_or_else(|| bug!("expected region {:?} to be of kind ReVar", reg)); - if cfg!(debug_assertions) && !self.type_checker.infcx.inside_canonicalization_ctxt() { let mut var_to_origin = self.type_checker.infcx.reg_var_to_origin.borrow_mut(); - var_to_origin.insert(reg_var, RegionCtxt::Existential(None)); + var_to_origin.insert(reg.as_var(), RegionCtxt::Existential(None)); } reg diff --git a/compiler/rustc_borrowck/src/universal_regions.rs b/compiler/rustc_borrowck/src/universal_regions.rs index 68c86051364..74241f722a6 100644 --- a/compiler/rustc_borrowck/src/universal_regions.rs +++ b/compiler/rustc_borrowck/src/universal_regions.rs @@ -19,15 +19,15 @@ use rustc_hir as hir; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_hir::lang_items::LangItem; use rustc_hir::BodyOwnerKind; -use rustc_index::vec::{Idx, IndexVec}; +use rustc_index::vec::IndexVec; use rustc_infer::infer::NllRegionVariableOrigin; use rustc_middle::ty::fold::TypeFoldable; use rustc_middle::ty::{self, InlineConstSubsts, InlineConstSubstsParts, RegionVid, Ty, TyCtxt}; use rustc_middle::ty::{InternalSubsts, SubstsRef}; +use rustc_span::symbol::{kw, sym}; use rustc_span::Symbol; use std::iter; -use crate::nll::ToRegionVid; use crate::renumber::{BoundRegionInfo, RegionCtxt}; use crate::BorrowckInferCtxt; @@ -289,7 +289,7 @@ impl<'tcx> UniversalRegions<'tcx> { /// Returns an iterator over all the RegionVids corresponding to /// universally quantified free regions. pub fn universal_regions(&self) -> impl Iterator<Item = RegionVid> { - (FIRST_GLOBAL_INDEX..self.num_universals).map(RegionVid::new) + (FIRST_GLOBAL_INDEX..self.num_universals).map(RegionVid::from_usize) } /// Returns `true` if `r` is classified as an local region. @@ -404,10 +404,8 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { assert_eq!(FIRST_GLOBAL_INDEX, self.infcx.num_region_vars()); // Create the "global" region that is always free in all contexts: 'static. - let fr_static = self - .infcx - .next_nll_region_var(FR, || RegionCtxt::Free(Symbol::intern("static"))) - .to_region_vid(); + let fr_static = + self.infcx.next_nll_region_var(FR, || RegionCtxt::Free(kw::Static)).as_var(); // We've now added all the global regions. The next ones we // add will be external. @@ -440,18 +438,14 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { debug!(?r); if !indices.indices.contains_key(&r) { let region_vid = { - let name = match r.get_name() { - Some(name) => name, - _ => Symbol::intern("anon"), - }; - + let name = r.get_name_or_anon(); self.infcx.next_nll_region_var(FR, || { RegionCtxt::LateBound(BoundRegionInfo::Name(name)) }) }; debug!(?region_vid); - indices.insert_late_bound_region(r, region_vid.to_region_vid()); + indices.insert_late_bound_region(r, region_vid.as_var()); } }, ); @@ -478,18 +472,14 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { debug!(?r); if !indices.indices.contains_key(&r) { let region_vid = { - let name = match r.get_name() { - Some(name) => name, - _ => Symbol::intern("anon"), - }; - + let name = r.get_name_or_anon(); self.infcx.next_nll_region_var(FR, || { RegionCtxt::LateBound(BoundRegionInfo::Name(name)) }) }; debug!(?region_vid); - indices.insert_late_bound_region(r, region_vid.to_region_vid()); + indices.insert_late_bound_region(r, region_vid.as_var()); } }); @@ -508,7 +498,7 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { let reg_vid = self .infcx .next_nll_region_var(FR, || RegionCtxt::Free(Symbol::intern("c-variadic"))) - .to_region_vid(); + .as_var(); let region = self.infcx.tcx.mk_re_var(reg_vid); let va_list_ty = @@ -523,7 +513,7 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { let fr_fn_body = self .infcx .next_nll_region_var(FR, || RegionCtxt::Free(Symbol::intern("fn_body"))) - .to_region_vid(); + .as_var(); let num_universals = self.infcx.num_region_vars(); @@ -644,7 +634,7 @@ impl<'cx, 'tcx> UniversalRegionsBuilder<'cx, 'tcx> { let global_mapping = iter::once((tcx.lifetimes.re_static, fr_static)); let subst_mapping = - iter::zip(identity_substs.regions(), fr_substs.regions().map(|r| r.to_region_vid())); + iter::zip(identity_substs.regions(), fr_substs.regions().map(|r| r.as_var())); UniversalRegionIndices { indices: global_mapping.chain(subst_mapping).collect(), fr_static } } @@ -768,15 +758,10 @@ impl<'cx, 'tcx> InferCtxtExt<'tcx> for BorrowckInferCtxt<'cx, 'tcx> { T: TypeFoldable<TyCtxt<'tcx>>, { self.infcx.tcx.fold_regions(value, |region, _depth| { - let name = match region.get_name() { - Some(name) => name, - _ => Symbol::intern("anon"), - }; + let name = region.get_name_or_anon(); debug!(?region, ?name); - let reg_var = self.next_nll_region_var(origin, || RegionCtxt::Free(name)); - - reg_var + self.next_nll_region_var(origin, || RegionCtxt::Free(name)) }) } @@ -797,13 +782,13 @@ impl<'cx, 'tcx> InferCtxtExt<'tcx> for BorrowckInferCtxt<'cx, 'tcx> { let region_vid = { let name = match br.kind.get_name() { Some(name) => name, - _ => Symbol::intern("anon"), + _ => sym::anon, }; self.next_nll_region_var(origin, || RegionCtxt::Bound(BoundRegionInfo::Name(name))) }; - indices.insert_late_bound_region(liberated_region, region_vid.to_region_vid()); + indices.insert_late_bound_region(liberated_region, region_vid.as_var()); debug!(?liberated_region, ?region_vid); region_vid }); @@ -829,18 +814,14 @@ impl<'cx, 'tcx> InferCtxtExt<'tcx> for BorrowckInferCtxt<'cx, 'tcx> { debug!(?r); if !indices.indices.contains_key(&r) { let region_vid = { - let name = match r.get_name() { - Some(name) => name, - _ => Symbol::intern("anon"), - }; - + let name = r.get_name_or_anon(); self.next_nll_region_var(FR, || { RegionCtxt::LateBound(BoundRegionInfo::Name(name)) }) }; debug!(?region_vid); - indices.insert_late_bound_region(r, region_vid.to_region_vid()); + indices.insert_late_bound_region(r, region_vid.as_var()); } }); } @@ -855,17 +836,13 @@ impl<'cx, 'tcx> InferCtxtExt<'tcx> for BorrowckInferCtxt<'cx, 'tcx> { debug!(?r); if !indices.indices.contains_key(&r) { let region_vid = { - let name = match r.get_name() { - Some(name) => name, - _ => Symbol::intern("anon"), - }; - + let name = r.get_name_or_anon(); self.next_nll_region_var(FR, || { RegionCtxt::LateBound(BoundRegionInfo::Name(name)) }) }; - indices.insert_late_bound_region(r, region_vid.to_region_vid()); + indices.insert_late_bound_region(r, region_vid.as_var()); } }); } @@ -883,7 +860,7 @@ impl<'tcx> UniversalRegionIndices<'tcx> { } /// Converts `r` into a local inference variable: `r` can either - /// by a `ReVar` (i.e., already a reference to an inference + /// be a `ReVar` (i.e., already a reference to an inference /// variable) or it can be `'static` or some early-bound /// region. This is useful when taking the results from /// type-checking and trait-matching, which may sometimes @@ -892,7 +869,7 @@ impl<'tcx> UniversalRegionIndices<'tcx> { /// fully initialized. pub fn to_region_vid(&self, r: ty::Region<'tcx>) -> RegionVid { if let ty::ReVar(..) = *r { - r.to_region_vid() + r.as_var() } else if r.is_error() { // We use the `'static` `RegionVid` because `ReError` doesn't actually exist in the // `UniversalRegionIndices`. This is fine because 1) it is a fallback only used if diff --git a/compiler/rustc_const_eval/src/util/collect_writes.rs b/compiler/rustc_borrowck/src/util/collect_writes.rs index 8d92bb35938..8d92bb35938 100644 --- a/compiler/rustc_const_eval/src/util/collect_writes.rs +++ b/compiler/rustc_borrowck/src/util/collect_writes.rs diff --git a/compiler/rustc_borrowck/src/util/mod.rs b/compiler/rustc_borrowck/src/util/mod.rs new file mode 100644 index 00000000000..7377d4de727 --- /dev/null +++ b/compiler/rustc_borrowck/src/util/mod.rs @@ -0,0 +1,3 @@ +mod collect_writes; + +pub use collect_writes::FindAssignments; diff --git a/compiler/rustc_builtin_macros/src/format.rs b/compiler/rustc_builtin_macros/src/format.rs index 435a07d8ce7..f17df5b0a83 100644 --- a/compiler/rustc_builtin_macros/src/format.rs +++ b/compiler/rustc_builtin_macros/src/format.rs @@ -42,7 +42,7 @@ struct MacroInput { fmtstr: P<Expr>, args: FormatArguments, /// Whether the first argument was a string literal or a result from eager macro expansion. - /// If it's not a string literal, we disallow implicit arugment capturing. + /// If it's not a string literal, we disallow implicit argument capturing. /// /// This does not correspond to whether we can treat spans to the literal normally, as the whole /// invocation might be the result of another macro expansion, in which case this flag may still be true. @@ -141,13 +141,7 @@ fn parse_args<'a>(ecx: &mut ExtCtxt<'a>, sp: Span, tts: TokenStream) -> PResult< args: args .named_args() .iter() - .filter_map(|a| { - if let Some(ident) = a.kind.ident() { - Some((a, ident)) - } else { - None - } - }) + .filter_map(|a| a.kind.ident().map(|ident| (a, ident))) .map(|(arg, n)| n.span.to(arg.expr.span)) .collect(), }); diff --git a/compiler/rustc_builtin_macros/src/test.rs b/compiler/rustc_builtin_macros/src/test.rs index a76ed4ee6ce..79d8be2484b 100644 --- a/compiler/rustc_builtin_macros/src/test.rs +++ b/compiler/rustc_builtin_macros/src/test.rs @@ -118,34 +118,22 @@ pub fn expand_test_or_bench( } } other => { - cx.struct_span_err( - other.span(), - "`#[test]` attribute is only allowed on non associated functions", - ) - .emit(); + not_testable_error(cx, attr_sp, None); return vec![other]; } }; - // Note: non-associated fn items are already handled by `expand_test_or_bench` let ast::ItemKind::Fn(fn_) = &item.kind else { - let diag = &cx.sess.parse_sess.span_diagnostic; - let msg = "the `#[test]` attribute may only be used on a non-associated function"; - let mut err = match item.kind { - // These were a warning before #92959 and need to continue being that to avoid breaking - // stable user code (#94508). - ast::ItemKind::MacCall(_) => diag.struct_span_warn(attr_sp, msg), - // `.forget_guarantee()` needed to get these two arms to match types. Because of how - // locally close the `.emit()` call is I'm comfortable with it, but if it can be - // reworked in the future to not need it, it'd be nice. - _ => diag.struct_span_err(attr_sp, msg).forget_guarantee(), + not_testable_error(cx, attr_sp, Some(&item)); + return if is_stmt { + vec![Annotatable::Stmt(P(ast::Stmt { + id: ast::DUMMY_NODE_ID, + span: item.span, + kind: ast::StmtKind::Item(item), + }))] + } else { + vec![Annotatable::Item(item)] }; - err.span_label(attr_sp, "the `#[test]` macro causes a function to be run on a test and has no effect on non-functions") - .span_label(item.span, format!("expected a non-associated function, found {} {}", item.kind.article(), item.kind.descr())) - .span_suggestion(attr_sp, "replace with conditional compilation to make the item only exist when tests are being run", "#[cfg(test)]", Applicability::MaybeIncorrect) - .emit(); - - return vec![Annotatable::Item(item)]; }; // has_*_signature will report any errors in the type so compilation @@ -398,6 +386,36 @@ pub fn expand_test_or_bench( } } +fn not_testable_error(cx: &ExtCtxt<'_>, attr_sp: Span, item: Option<&ast::Item>) { + let diag = &cx.sess.parse_sess.span_diagnostic; + let msg = "the `#[test]` attribute may only be used on a non-associated function"; + let mut err = match item.map(|i| &i.kind) { + // These were a warning before #92959 and need to continue being that to avoid breaking + // stable user code (#94508). + Some(ast::ItemKind::MacCall(_)) => diag.struct_span_warn(attr_sp, msg), + // `.forget_guarantee()` needed to get these two arms to match types. Because of how + // locally close the `.emit()` call is I'm comfortable with it, but if it can be + // reworked in the future to not need it, it'd be nice. + _ => diag.struct_span_err(attr_sp, msg).forget_guarantee(), + }; + if let Some(item) = item { + err.span_label( + item.span, + format!( + "expected a non-associated function, found {} {}", + item.kind.article(), + item.kind.descr() + ), + ); + } + err.span_label(attr_sp, "the `#[test]` macro causes a function to be run as a test and has no effect on non-functions") + .span_suggestion(attr_sp, + "replace with conditional compilation to make the item only exist when tests are being run", + "#[cfg(test)]", + Applicability::MaybeIncorrect) + .emit(); +} + fn get_location_info(cx: &ExtCtxt<'_>, item: &ast::Item) -> (Symbol, usize, usize, usize, usize) { let span = item.ident.span; let (source_file, lo_line, lo_col, hi_line, hi_col) = diff --git a/compiler/rustc_codegen_cranelift/src/discriminant.rs b/compiler/rustc_codegen_cranelift/src/discriminant.rs index f740945a03c..670384663e8 100644 --- a/compiler/rustc_codegen_cranelift/src/discriminant.rs +++ b/compiler/rustc_codegen_cranelift/src/discriminant.rs @@ -103,7 +103,6 @@ pub(crate) fn codegen_get_discriminant<'tcx>( } }; - let cast_to_size = dest_layout.layout.size(); let cast_to = fx.clif_type(dest_layout.ty).unwrap(); // Read the tag/niche-encoded discriminant from memory. @@ -122,21 +121,7 @@ pub(crate) fn codegen_get_discriminant<'tcx>( dest.write_cvalue(fx, res); } TagEncoding::Niche { untagged_variant, ref niche_variants, niche_start } => { - let tag_size = tag_scalar.size(fx); - let max_unsigned = tag_size.unsigned_int_max(); - let max_signed = tag_size.signed_int_max() as u128; - let min_signed = max_signed + 1; let relative_max = niche_variants.end().as_u32() - niche_variants.start().as_u32(); - let niche_end = niche_start.wrapping_add(relative_max as u128) & max_unsigned; - let range = tag_scalar.valid_range(fx); - - let sle = |lhs: u128, rhs: u128| -> bool { - // Signed and unsigned comparisons give the same results, - // except that in signed comparisons an integer with the - // sign bit set is less than one with the sign bit clear. - // Toggle the sign bit to do a signed comparison. - (lhs ^ min_signed) <= (rhs ^ min_signed) - }; // We have a subrange `niche_start..=niche_end` inside `range`. // If the value of the tag is inside this subrange, it's a @@ -153,45 +138,6 @@ pub(crate) fn codegen_get_discriminant<'tcx>( // } // However, we will likely be able to emit simpler code. - // Find the least and greatest values in `range`, considered - // both as signed and unsigned. - let (low_unsigned, high_unsigned) = - if range.start <= range.end { (range.start, range.end) } else { (0, max_unsigned) }; - let (low_signed, high_signed) = if sle(range.start, range.end) { - (range.start, range.end) - } else { - (min_signed, max_signed) - }; - - let niches_ule = niche_start <= niche_end; - let niches_sle = sle(niche_start, niche_end); - let cast_smaller = cast_to_size <= tag_size; - - // In the algorithm above, we can change - // cast(relative_tag) + niche_variants.start() - // into - // cast(tag + (niche_variants.start() - niche_start)) - // if either the casted type is no larger than the original - // type, or if the niche values are contiguous (in either the - // signed or unsigned sense). - let can_incr = cast_smaller || niches_ule || niches_sle; - - let data_for_boundary_niche = || -> Option<(IntCC, u128)> { - if !can_incr { - None - } else if niche_start == low_unsigned { - Some((IntCC::UnsignedLessThanOrEqual, niche_end)) - } else if niche_end == high_unsigned { - Some((IntCC::UnsignedGreaterThanOrEqual, niche_start)) - } else if niche_start == low_signed { - Some((IntCC::SignedLessThanOrEqual, niche_end)) - } else if niche_end == high_signed { - Some((IntCC::SignedGreaterThanOrEqual, niche_start)) - } else { - None - } - }; - let (is_niche, tagged_discr, delta) = if relative_max == 0 { // Best case scenario: only one tagged variant. This will // likely become just a comparison and a jump. @@ -206,41 +152,6 @@ pub(crate) fn codegen_get_discriminant<'tcx>( let tagged_discr = fx.bcx.ins().iconst(cast_to, niche_variants.start().as_u32() as i64); (is_niche, tagged_discr, 0) - } else if let Some((predicate, constant)) = data_for_boundary_niche() { - // The niche values are either the lowest or the highest in - // `range`. We can avoid the first subtraction in the - // algorithm. - // The algorithm is now this: - // is_niche = tag <= niche_end - // discr = if is_niche { - // cast(tag + (niche_variants.start() - niche_start)) - // } else { - // untagged_variant - // } - // (the first line may instead be tag >= niche_start, - // and may be a signed or unsigned comparison) - // The arithmetic must be done before the cast, so we can - // have the correct wrapping behavior. See issue #104519 for - // the consequences of getting this wrong. - let is_niche = codegen_icmp_imm(fx, predicate, tag, constant as i128); - let delta = (niche_variants.start().as_u32() as u128).wrapping_sub(niche_start); - let incr_tag = if delta == 0 { - tag - } else { - let delta = match fx.bcx.func.dfg.value_type(tag) { - types::I128 => { - let lsb = fx.bcx.ins().iconst(types::I64, delta as u64 as i64); - let msb = fx.bcx.ins().iconst(types::I64, (delta >> 64) as u64 as i64); - fx.bcx.ins().iconcat(lsb, msb) - } - ty => fx.bcx.ins().iconst(ty, delta as i64), - }; - fx.bcx.ins().iadd(tag, delta) - }; - - let cast_tag = clif_intcast(fx, incr_tag, cast_to, !niches_ule); - - (is_niche, cast_tag, 0) } else { // The special cases don't apply, so we'll have to go with // the general algorithm. diff --git a/compiler/rustc_codegen_gcc/src/asm.rs b/compiler/rustc_codegen_gcc/src/asm.rs index 41e9d61a10e..65de02b3567 100644 --- a/compiler/rustc_codegen_gcc/src/asm.rs +++ b/compiler/rustc_codegen_gcc/src/asm.rs @@ -593,6 +593,9 @@ fn reg_to_gcc(reg: InlineAsmRegOrRegClass) -> ConstraintOrRegister { InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::reg) => "r", InlineAsmRegClass::Bpf(BpfInlineAsmRegClass::wreg) => "w", InlineAsmRegClass::Hexagon(HexagonInlineAsmRegClass::reg) => "r", + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg) => "r", + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_addr) => "a", + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_data) => "d", InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg) => "d", // more specific than "r" InlineAsmRegClass::Mips(MipsInlineAsmRegClass::freg) => "f", InlineAsmRegClass::Msp430(Msp430InlineAsmRegClass::reg) => "r", @@ -664,6 +667,9 @@ fn dummy_output_type<'gcc, 'tcx>(cx: &CodegenCx<'gcc, 'tcx>, reg: InlineAsmRegCl InlineAsmRegClass::Avr(_) => unimplemented!(), InlineAsmRegClass::Bpf(_) => unimplemented!(), InlineAsmRegClass::Hexagon(HexagonInlineAsmRegClass::reg) => cx.type_i32(), + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg) => cx.type_i32(), + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_addr) => cx.type_i32(), + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_data) => cx.type_i32(), InlineAsmRegClass::Mips(MipsInlineAsmRegClass::reg) => cx.type_i32(), InlineAsmRegClass::Mips(MipsInlineAsmRegClass::freg) => cx.type_f32(), InlineAsmRegClass::Msp430(_) => unimplemented!(), @@ -849,6 +855,7 @@ fn modifier_to_gcc(arch: InlineAsmArch, reg: InlineAsmRegClass, modifier: Option InlineAsmRegClass::Avr(_) => None, InlineAsmRegClass::S390x(_) => None, InlineAsmRegClass::Msp430(_) => None, + InlineAsmRegClass::M68k(_) => None, InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { bug!("LLVM backend does not support SPIR-V") } diff --git a/compiler/rustc_codegen_llvm/src/asm.rs b/compiler/rustc_codegen_llvm/src/asm.rs index e7668341eb6..1a3865360a3 100644 --- a/compiler/rustc_codegen_llvm/src/asm.rs +++ b/compiler/rustc_codegen_llvm/src/asm.rs @@ -244,6 +244,9 @@ impl<'ll, 'tcx> AsmBuilderMethods<'tcx> for Builder<'_, 'll, 'tcx> { InlineAsmArch::Msp430 => { constraints.push("~{sr}".to_string()); } + InlineAsmArch::M68k => { + constraints.push("~{ccr}".to_string()); + } } } if !options.contains(InlineAsmOptions::NOMEM) { @@ -671,6 +674,9 @@ fn reg_to_llvm(reg: InlineAsmRegOrRegClass, layout: Option<&TyAndLayout<'_>>) -> InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => "r", InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => "f", InlineAsmRegClass::Msp430(Msp430InlineAsmRegClass::reg) => "r", + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg) => "r", + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_addr) => "a", + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_data) => "d", InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { bug!("LLVM backend does not support SPIR-V") } @@ -768,6 +774,7 @@ fn modifier_to_llvm( InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { bug!("LLVM backend does not support SPIR-V") } + InlineAsmRegClass::M68k(_) => None, InlineAsmRegClass::Err => unreachable!(), } } @@ -839,6 +846,9 @@ fn dummy_output_type<'ll>(cx: &CodegenCx<'ll, '_>, reg: InlineAsmRegClass) -> &' InlineAsmRegClass::S390x(S390xInlineAsmRegClass::reg) => cx.type_i32(), InlineAsmRegClass::S390x(S390xInlineAsmRegClass::freg) => cx.type_f64(), InlineAsmRegClass::Msp430(Msp430InlineAsmRegClass::reg) => cx.type_i16(), + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg) => cx.type_i32(), + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_addr) => cx.type_i32(), + InlineAsmRegClass::M68k(M68kInlineAsmRegClass::reg_data) => cx.type_i32(), InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => { bug!("LLVM backend does not support SPIR-V") } diff --git a/compiler/rustc_codegen_ssa/messages.ftl b/compiler/rustc_codegen_ssa/messages.ftl index 8fe5f8d50ab..243be0e1f70 100644 --- a/compiler/rustc_codegen_ssa/messages.ftl +++ b/compiler/rustc_codegen_ssa/messages.ftl @@ -141,7 +141,7 @@ codegen_ssa_msvc_missing_linker = the msvc targets depend on the msvc linker but codegen_ssa_check_installed_visual_studio = please ensure that Visual Studio 2017 or later, or Build Tools for Visual Studio were installed with the Visual C++ option. -codegen_ssa_unsufficient_vs_code_product = VS Code is a different product, and is not sufficient. +codegen_ssa_insufficient_vs_code_product = VS Code is a different product, and is not sufficient. codegen_ssa_processing_dymutil_failed = processing debug info with `dsymutil` failed: {$status} .note = {$output} diff --git a/compiler/rustc_codegen_ssa/src/back/link.rs b/compiler/rustc_codegen_ssa/src/back/link.rs index 7a5fa5a370c..02e21e74fad 100644 --- a/compiler/rustc_codegen_ssa/src/back/link.rs +++ b/compiler/rustc_codegen_ssa/src/back/link.rs @@ -923,7 +923,7 @@ fn link_natively<'a>( if sess.target.is_like_msvc && linker_not_found { sess.emit_note(errors::MsvcMissingLinker); sess.emit_note(errors::CheckInstalledVisualStudio); - sess.emit_note(errors::UnsufficientVSCodeProduct); + sess.emit_note(errors::InsufficientVSCodeProduct); } sess.abort_if_errors(); } diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs index 6dea7496fc3..66e7e314f79 100644 --- a/compiler/rustc_codegen_ssa/src/errors.rs +++ b/compiler/rustc_codegen_ssa/src/errors.rs @@ -405,8 +405,8 @@ pub struct MsvcMissingLinker; pub struct CheckInstalledVisualStudio; #[derive(Diagnostic)] -#[diag(codegen_ssa_unsufficient_vs_code_product)] -pub struct UnsufficientVSCodeProduct; +#[diag(codegen_ssa_insufficient_vs_code_product)] +pub struct InsufficientVSCodeProduct; #[derive(Diagnostic)] #[diag(codegen_ssa_processing_dymutil_failed)] diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index dd86977817f..a0a8246be15 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -12,7 +12,6 @@ use crate::MemFlags; use rustc_ast as ast; use rustc_ast::{InlineAsmOptions, InlineAsmTemplatePiece}; use rustc_hir::lang_items::LangItem; -use rustc_index::vec::Idx; use rustc_middle::mir::{self, AssertKind, SwitchTargets}; use rustc_middle::ty::layout::{HasTyCtxt, LayoutOf, ValidityRequirement}; use rustc_middle::ty::print::{with_no_trimmed_paths, with_no_visible_paths}; @@ -369,7 +368,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { if self.fn_abi.c_variadic { // The `VaList` "spoofed" argument is just after all the real arguments. let va_list_arg_idx = self.fn_abi.args.len(); - match self.locals[mir::Local::new(1 + va_list_arg_idx)] { + match self.locals[mir::Local::from_usize(1 + va_list_arg_idx)] { LocalRef::Place(va_list) => { bx.va_end(va_list.llval); } diff --git a/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs b/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs index 280f0207116..d049bafb821 100644 --- a/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs +++ b/compiler/rustc_codegen_ssa/src/mir/debuginfo.rs @@ -442,11 +442,10 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { let (var_ty, var_kind) = match var.value { mir::VarDebugInfoContents::Place(place) => { let var_ty = self.monomorphized_place_ty(place.as_ref()); - let var_kind = if self.mir.local_kind(place.local) == mir::LocalKind::Arg + let var_kind = if let Some(arg_index) = var.argument_index && place.projection.is_empty() - && var.source_info.scope == mir::OUTERMOST_SOURCE_SCOPE { - let arg_index = place.local.index() - 1; + let arg_index = arg_index as usize; if target_is_msvc { // ScalarPair parameters are spilled to the stack so they need to // be marked as a `LocalVariable` for MSVC debuggers to visualize @@ -455,13 +454,12 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { if let Abi::ScalarPair(_, _) = var_ty_layout.abi { VariableKind::LocalVariable } else { - VariableKind::ArgumentVariable(arg_index + 1) + VariableKind::ArgumentVariable(arg_index) } } else { // FIXME(eddyb) shouldn't `ArgumentVariable` indices be // offset in closures to account for the hidden environment? - // Also, is this `+ 1` needed at all? - VariableKind::ArgumentVariable(arg_index + 1) + VariableKind::ArgumentVariable(arg_index) } } else { VariableKind::LocalVariable diff --git a/compiler/rustc_codegen_ssa/src/mir/place.rs b/compiler/rustc_codegen_ssa/src/mir/place.rs index 1633cfef19d..a58a61cd567 100644 --- a/compiler/rustc_codegen_ssa/src/mir/place.rs +++ b/compiler/rustc_codegen_ssa/src/mir/place.rs @@ -211,7 +211,6 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> { ) -> V { let dl = &bx.tcx().data_layout; let cast_to_layout = bx.cx().layout_of(cast_to); - let cast_to_size = cast_to_layout.layout.size(); let cast_to = bx.cx().immediate_backend_type(cast_to_layout); if self.layout.abi.is_uninhabited() { return bx.cx().const_poison(cast_to); @@ -261,21 +260,7 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> { _ => (tag_imm, bx.cx().immediate_backend_type(tag_op.layout)), }; - let tag_size = tag_scalar.size(bx.cx()); - let max_unsigned = tag_size.unsigned_int_max(); - let max_signed = tag_size.signed_int_max() as u128; - let min_signed = max_signed + 1; let relative_max = niche_variants.end().as_u32() - niche_variants.start().as_u32(); - let niche_end = niche_start.wrapping_add(relative_max as u128) & max_unsigned; - let range = tag_scalar.valid_range(bx.cx()); - - let sle = |lhs: u128, rhs: u128| -> bool { - // Signed and unsigned comparisons give the same results, - // except that in signed comparisons an integer with the - // sign bit set is less than one with the sign bit clear. - // Toggle the sign bit to do a signed comparison. - (lhs ^ min_signed) <= (rhs ^ min_signed) - }; // We have a subrange `niche_start..=niche_end` inside `range`. // If the value of the tag is inside this subrange, it's a @@ -291,49 +276,6 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> { // untagged_variant // } // However, we will likely be able to emit simpler code. - - // Find the least and greatest values in `range`, considered - // both as signed and unsigned. - let (low_unsigned, high_unsigned) = if range.start <= range.end { - (range.start, range.end) - } else { - (0, max_unsigned) - }; - let (low_signed, high_signed) = if sle(range.start, range.end) { - (range.start, range.end) - } else { - (min_signed, max_signed) - }; - - let niches_ule = niche_start <= niche_end; - let niches_sle = sle(niche_start, niche_end); - let cast_smaller = cast_to_size <= tag_size; - - // In the algorithm above, we can change - // cast(relative_tag) + niche_variants.start() - // into - // cast(tag + (niche_variants.start() - niche_start)) - // if either the casted type is no larger than the original - // type, or if the niche values are contiguous (in either the - // signed or unsigned sense). - let can_incr = cast_smaller || niches_ule || niches_sle; - - let data_for_boundary_niche = || -> Option<(IntPredicate, u128)> { - if !can_incr { - None - } else if niche_start == low_unsigned { - Some((IntPredicate::IntULE, niche_end)) - } else if niche_end == high_unsigned { - Some((IntPredicate::IntUGE, niche_start)) - } else if niche_start == low_signed { - Some((IntPredicate::IntSLE, niche_end)) - } else if niche_end == high_signed { - Some((IntPredicate::IntSGE, niche_start)) - } else { - None - } - }; - let (is_niche, tagged_discr, delta) = if relative_max == 0 { // Best case scenario: only one tagged variant. This will // likely become just a comparison and a jump. @@ -349,40 +291,6 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> { let tagged_discr = bx.cx().const_uint(cast_to, niche_variants.start().as_u32() as u64); (is_niche, tagged_discr, 0) - } else if let Some((predicate, constant)) = data_for_boundary_niche() { - // The niche values are either the lowest or the highest in - // `range`. We can avoid the first subtraction in the - // algorithm. - // The algorithm is now this: - // is_niche = tag <= niche_end - // discr = if is_niche { - // cast(tag + (niche_variants.start() - niche_start)) - // } else { - // untagged_variant - // } - // (the first line may instead be tag >= niche_start, - // and may be a signed or unsigned comparison) - // The arithmetic must be done before the cast, so we can - // have the correct wrapping behavior. See issue #104519 for - // the consequences of getting this wrong. - let is_niche = - bx.icmp(predicate, tag, bx.cx().const_uint_big(tag_llty, constant)); - let delta = (niche_variants.start().as_u32() as u128).wrapping_sub(niche_start); - let incr_tag = if delta == 0 { - tag - } else { - bx.add(tag, bx.cx().const_uint_big(tag_llty, delta)) - }; - - let cast_tag = if cast_smaller { - bx.intcast(incr_tag, cast_to, false) - } else if niches_ule { - bx.zext(incr_tag, cast_to) - } else { - bx.sext(incr_tag, cast_to) - }; - - (is_niche, cast_tag, 0) } else { // The special cases don't apply, so we'll have to go with // the general algorithm. diff --git a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs index 7564ba17b40..4bd6fe19931 100644 --- a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs +++ b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs @@ -205,7 +205,7 @@ pub(crate) fn turn_into_const_value<'tcx>( let cid = key.value; let def_id = cid.instance.def.def_id(); let is_static = tcx.is_static(def_id); - // This is just accessing an already computed constant, so no need to check alginment here. + // This is just accessing an already computed constant, so no need to check alignment here. let ecx = mk_eval_cx( tcx, tcx.def_span(key.value.instance.def_id()), diff --git a/compiler/rustc_const_eval/src/interpret/discriminant.rs b/compiler/rustc_const_eval/src/interpret/discriminant.rs index 557e721249d..015a9beab83 100644 --- a/compiler/rustc_const_eval/src/interpret/discriminant.rs +++ b/compiler/rustc_const_eval/src/interpret/discriminant.rs @@ -211,18 +211,19 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { let variant_index_relative = u32::try_from(variant_index_relative) .expect("we checked that this fits into a u32"); // Then computing the absolute variant idx should not overflow any more. - let variant_index = variants_start - .checked_add(variant_index_relative) - .expect("overflow computing absolute variant idx"); - let variants_len = op + let variant_index = VariantIdx::from_u32( + variants_start + .checked_add(variant_index_relative) + .expect("overflow computing absolute variant idx"), + ); + let variants = op .layout .ty .ty_adt_def() .expect("tagged layout for non adt") - .variants() - .len(); - assert!(usize::try_from(variant_index).unwrap() < variants_len); - VariantIdx::from_u32(variant_index) + .variants(); + assert!(variant_index < variants.next_index()); + variant_index } else { untagged_variant } diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 3e58a58aef7..b5b5cc4f196 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -132,11 +132,10 @@ pub struct Frame<'mir, 'tcx, Prov: Provenance = AllocId, Extra = ()> { } /// What we store about a frame in an interpreter backtrace. -#[derive(Debug)] +#[derive(Clone, Debug)] pub struct FrameInfo<'tcx> { pub instance: ty::Instance<'tcx>, pub span: Span, - pub lint_root: Option<hir::HirId>, } #[derive(Clone, Copy, Eq, PartialEq, Debug)] // Miri debug-prints these @@ -947,10 +946,8 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { // This deliberately does *not* honor `requires_caller_location` since it is used for much // more than just panics. for frame in stack.iter().rev() { - let lint_root = frame.lint_root(); let span = frame.current_span(); - - frames.push(FrameInfo { span, instance: frame.instance, lint_root }); + frames.push(FrameInfo { span, instance: frame.instance }); } trace!("generate stacktrace: {:#?}", frames); frames diff --git a/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs b/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs index 76c8d0a975a..3701eb93ec8 100644 --- a/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs +++ b/compiler/rustc_const_eval/src/interpret/intrinsics/caller_location.rs @@ -77,7 +77,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { line: u32, col: u32, ) -> MPlaceTy<'tcx, M::Provenance> { - let loc_details = &self.tcx.sess.opts.unstable_opts.location_detail; + let loc_details = self.tcx.sess.opts.unstable_opts.location_detail; // This can fail if rustc runs out of memory right here. Trying to emit an error would be // pointless, since that would require allocating more memory than these short strings. let file = if loc_details.file { diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs index 0291cca7378..b448e3a24c6 100644 --- a/compiler/rustc_const_eval/src/interpret/machine.rs +++ b/compiler/rustc_const_eval/src/interpret/machine.rs @@ -104,7 +104,7 @@ pub trait Machine<'mir, 'tcx>: Sized { type FrameExtra; /// Extra data stored in every allocation. - type AllocExtra: Debug + Clone + 'static; + type AllocExtra: Debug + Clone + 'tcx; /// Type for the bytes of the allocation. type Bytes: AllocBytes + 'static; diff --git a/compiler/rustc_const_eval/src/interpret/memory.rs b/compiler/rustc_const_eval/src/interpret/memory.rs index a3764a7d142..d5b6a581a79 100644 --- a/compiler/rustc_const_eval/src/interpret/memory.rs +++ b/compiler/rustc_const_eval/src/interpret/memory.rs @@ -215,7 +215,7 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { self.allocate_raw_ptr(alloc, kind) } - /// This can fail only of `alloc` contains provenance. + /// This can fail only if `alloc` contains provenance. pub fn allocate_raw_ptr( &mut self, alloc: Allocation, @@ -807,9 +807,13 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { DumpAllocs { ecx: self, allocs } } - /// Print leaked memory. Allocations reachable from `static_roots` or a `Global` allocation - /// are not considered leaked. Leaks whose kind `may_leak()` returns true are not reported. - pub fn leak_report(&self, static_roots: &[AllocId]) -> usize { + /// Find leaked allocations. Allocations reachable from `static_roots` or a `Global` allocation + /// are not considered leaked, as well as leaks whose kind's `may_leak()` returns true. + pub fn find_leaked_allocations( + &self, + static_roots: &[AllocId], + ) -> Vec<(AllocId, MemoryKind<M::MemoryKind>, Allocation<M::Provenance, M::AllocExtra, M::Bytes>)> + { // Collect the set of allocations that are *reachable* from `Global` allocations. let reachable = { let mut reachable = FxHashSet::default(); @@ -833,14 +837,13 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { }; // All allocations that are *not* `reachable` and *not* `may_leak` are considered leaking. - let leaks: Vec<_> = self.memory.alloc_map.filter_map_collect(|&id, &(kind, _)| { - if kind.may_leak() || reachable.contains(&id) { None } else { Some(id) } - }); - let n = leaks.len(); - if n > 0 { - eprintln!("The following memory was leaked: {:?}", self.dump_allocs(leaks)); - } - n + self.memory.alloc_map.filter_map_collect(|id, (kind, alloc)| { + if kind.may_leak() || reachable.contains(id) { + None + } else { + Some((*id, *kind, alloc.clone())) + } + }) } } diff --git a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs b/compiler/rustc_const_eval/src/transform/check_consts/ops.rs index c0f5b3725b3..4fe842856aa 100644 --- a/compiler/rustc_const_eval/src/transform/check_consts/ops.rs +++ b/compiler/rustc_const_eval/src/transform/check_consts/ops.rs @@ -14,6 +14,7 @@ use rustc_middle::ty::print::with_no_trimmed_paths; use rustc_middle::ty::subst::{GenericArgKind, SubstsRef}; use rustc_middle::ty::{suggest_constraining_type_param, Adt, Closure, FnDef, FnPtr, Param, Ty}; use rustc_middle::ty::{Binder, TraitRef}; +use rustc_middle::util::{call_kind, CallDesugaringKind, CallKind}; use rustc_session::parse::feature_err; use rustc_span::symbol::sym; use rustc_span::{BytePos, Pos, Span, Symbol}; @@ -21,7 +22,6 @@ use rustc_trait_selection::traits::SelectionContext; use super::ConstCx; use crate::errors; -use crate::util::{call_kind, CallDesugaringKind, CallKind}; #[derive(Clone, Copy, Debug, PartialEq, Eq)] pub enum Status { diff --git a/compiler/rustc_const_eval/src/transform/validate.rs b/compiler/rustc_const_eval/src/transform/validate.rs index 0f56fda18f5..d4bed97380b 100644 --- a/compiler/rustc_const_eval/src/transform/validate.rs +++ b/compiler/rustc_const_eval/src/transform/validate.rs @@ -679,13 +679,21 @@ impl<'a, 'tcx> Visitor<'tcx> for TypeChecker<'a, 'tcx> { // Unlike `mem::transmute`, a MIR `Transmute` is well-formed // for any two `Sized` types, just potentially UB to run. - if !op_ty.is_sized(self.tcx, self.param_env) { + if !self + .tcx + .normalize_erasing_regions(self.param_env, op_ty) + .is_sized(self.tcx, self.param_env) + { self.fail( location, format!("Cannot transmute from non-`Sized` type {op_ty:?}"), ); } - if !target_type.is_sized(self.tcx, self.param_env) { + if !self + .tcx + .normalize_erasing_regions(self.param_env, *target_type) + .is_sized(self.tcx, self.param_env) + { self.fail( location, format!("Cannot transmute to non-`Sized` type {target_type:?}"), diff --git a/compiler/rustc_const_eval/src/util/mod.rs b/compiler/rustc_const_eval/src/util/mod.rs index c0aabd77cee..7641f560714 100644 --- a/compiler/rustc_const_eval/src/util/mod.rs +++ b/compiler/rustc_const_eval/src/util/mod.rs @@ -1,14 +1,9 @@ mod alignment; -mod call_kind; mod check_validity_requirement; -pub mod collect_writes; mod compare_types; -mod find_self_call; mod type_name; pub use self::alignment::is_disaligned; -pub use self::call_kind::{call_kind, CallDesugaringKind, CallKind}; pub use self::check_validity_requirement::check_validity_requirement; pub use self::compare_types::{is_equal_up_to_subtyping, is_subtype}; -pub use self::find_self_call::find_self_call; pub use self::type_name::type_name; diff --git a/compiler/rustc_data_structures/Cargo.toml b/compiler/rustc_data_structures/Cargo.toml index 24b6b5cfb1f..39f4bc63c88 100644 --- a/compiler/rustc_data_structures/Cargo.toml +++ b/compiler/rustc_data_structures/Cargo.toml @@ -21,7 +21,6 @@ rustc-hash = "1.1.0" rustc_index = { path = "../rustc_index", package = "rustc_index" } rustc_macros = { path = "../rustc_macros" } rustc_serialize = { path = "../rustc_serialize" } -serde_json = "1.0.59" smallvec = { version = "1.8.1", features = [ "const_generics", "union", @@ -33,6 +32,7 @@ tempfile = "3.2" thin-vec = "0.2.12" tracing = "0.1" elsa = "=1.7.1" +itertools = "0.10.1" [dependencies.parking_lot] version = "0.11" diff --git a/compiler/rustc_data_structures/src/aligned.rs b/compiler/rustc_data_structures/src/aligned.rs new file mode 100644 index 00000000000..0e5ecfd9bff --- /dev/null +++ b/compiler/rustc_data_structures/src/aligned.rs @@ -0,0 +1,33 @@ +use std::ptr::Alignment; + +/// Returns the ABI-required minimum alignment of a type in bytes. +/// +/// This is equivalent to [`mem::align_of`], but also works for some unsized +/// types (e.g. slices or rustc's `List`s). +/// +/// [`mem::align_of`]: std::mem::align_of +pub const fn align_of<T: ?Sized + Aligned>() -> Alignment { + T::ALIGN +} + +/// A type with a statically known alignment. +/// +/// # Safety +/// +/// `Self::ALIGN` must be equal to the alignment of `Self`. For sized types it +/// is [`mem::align_of<Self>()`], for unsized types it depends on the type, for +/// example `[T]` has alignment of `T`. +/// +/// [`mem::align_of<Self>()`]: std::mem::align_of +pub unsafe trait Aligned { + /// Alignment of `Self`. + const ALIGN: Alignment; +} + +unsafe impl<T> Aligned for T { + const ALIGN: Alignment = Alignment::of::<Self>(); +} + +unsafe impl<T> Aligned for [T] { + const ALIGN: Alignment = Alignment::of::<T>(); +} diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs index e373bd18402..7768e0fdeb1 100644 --- a/compiler/rustc_data_structures/src/lib.rs +++ b/compiler/rustc_data_structures/src/lib.rs @@ -29,6 +29,8 @@ #![feature(get_mut_unchecked)] #![feature(lint_reasons)] #![feature(unwrap_infallible)] +#![feature(strict_provenance)] +#![feature(ptr_alignment_type)] #![allow(rustc::default_hash_types)] #![allow(rustc::potential_query_instability)] #![deny(rustc::untranslatable_diagnostic)] @@ -82,6 +84,7 @@ pub mod transitive_relation; pub mod vec_linked_list; pub mod work_queue; pub use atomic_ref::AtomicRef; +pub mod aligned; pub mod frozen; pub mod owned_slice; pub mod sso; diff --git a/compiler/rustc_data_structures/src/profiling.rs b/compiler/rustc_data_structures/src/profiling.rs index 1ed584eafad..8fa1ac70a78 100644 --- a/compiler/rustc_data_structures/src/profiling.rs +++ b/compiler/rustc_data_structures/src/profiling.rs @@ -87,6 +87,7 @@ use crate::fx::FxHashMap; use std::borrow::Borrow; use std::collections::hash_map::Entry; use std::error::Error; +use std::fmt::Display; use std::fs; use std::intrinsics::unlikely; use std::path::Path; @@ -97,7 +98,6 @@ use std::time::{Duration, Instant}; pub use measureme::EventId; use measureme::{EventIdBuilder, Profiler, SerializableString, StringId}; use parking_lot::RwLock; -use serde_json::json; use smallvec::SmallVec; bitflags::bitflags! { @@ -763,6 +763,31 @@ impl Drop for VerboseTimingGuard<'_> { } } +struct JsonTimePassesEntry<'a> { + pass: &'a str, + time: f64, + start_rss: Option<usize>, + end_rss: Option<usize>, +} + +impl Display for JsonTimePassesEntry<'_> { + fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { + let Self { pass: what, time, start_rss, end_rss } = self; + write!(f, r#"{{"pass":"{what}","time":{time},"rss_start":"#).unwrap(); + match start_rss { + Some(rss) => write!(f, "{rss}")?, + None => write!(f, "null")?, + } + write!(f, r#","rss_end":"#)?; + match end_rss { + Some(rss) => write!(f, "{rss}")?, + None => write!(f, "null")?, + } + write!(f, "}}")?; + Ok(()) + } +} + pub fn print_time_passes_entry( what: &str, dur: Duration, @@ -772,13 +797,10 @@ pub fn print_time_passes_entry( ) { match format { TimePassesFormat::Json => { - let json = json!({ - "pass": what, - "time": dur.as_secs_f64(), - "rss_start": start_rss, - "rss_end": end_rss, - }); - eprintln!("time: {json}"); + let entry = + JsonTimePassesEntry { pass: what, time: dur.as_secs_f64(), start_rss, end_rss }; + + eprintln!(r#"time: {entry}"#); return; } TimePassesFormat::Text => (), @@ -894,3 +916,6 @@ cfg_if! { } } } + +#[cfg(test)] +mod tests; diff --git a/compiler/rustc_data_structures/src/profiling/tests.rs b/compiler/rustc_data_structures/src/profiling/tests.rs new file mode 100644 index 00000000000..2b09de085da --- /dev/null +++ b/compiler/rustc_data_structures/src/profiling/tests.rs @@ -0,0 +1,19 @@ +use super::JsonTimePassesEntry; + +#[test] +fn with_rss() { + let entry = + JsonTimePassesEntry { pass: "typeck", time: 56.1, start_rss: Some(10), end_rss: Some(20) }; + + assert_eq!(entry.to_string(), r#"{"pass":"typeck","time":56.1,"rss_start":10,"rss_end":20}"#) +} + +#[test] +fn no_rss() { + let entry = JsonTimePassesEntry { pass: "typeck", time: 56.1, start_rss: None, end_rss: None }; + + assert_eq!( + entry.to_string(), + r#"{"pass":"typeck","time":56.1,"rss_start":null,"rss_end":null}"# + ) +} diff --git a/compiler/rustc_data_structures/src/sso/either_iter.rs b/compiler/rustc_data_structures/src/sso/either_iter.rs deleted file mode 100644 index bca6c0955b9..00000000000 --- a/compiler/rustc_data_structures/src/sso/either_iter.rs +++ /dev/null @@ -1,73 +0,0 @@ -use std::fmt; -use std::iter::FusedIterator; - -/// Iterator which may contain instance of -/// one of two specific implementations. -/// -/// Note: For most methods providing custom -/// implementation may marginally -/// improve performance by avoiding -/// doing Left/Right match on every step -/// and doing it only once instead. -#[derive(Clone)] -pub enum EitherIter<L, R> { - Left(L), - Right(R), -} - -impl<L, R> Iterator for EitherIter<L, R> -where - L: Iterator, - R: Iterator<Item = L::Item>, -{ - type Item = L::Item; - - fn next(&mut self) -> Option<Self::Item> { - match self { - EitherIter::Left(l) => l.next(), - EitherIter::Right(r) => r.next(), - } - } - - fn size_hint(&self) -> (usize, Option<usize>) { - match self { - EitherIter::Left(l) => l.size_hint(), - EitherIter::Right(r) => r.size_hint(), - } - } -} - -impl<L, R> ExactSizeIterator for EitherIter<L, R> -where - L: ExactSizeIterator, - R: ExactSizeIterator, - EitherIter<L, R>: Iterator, -{ - fn len(&self) -> usize { - match self { - EitherIter::Left(l) => l.len(), - EitherIter::Right(r) => r.len(), - } - } -} - -impl<L, R> FusedIterator for EitherIter<L, R> -where - L: FusedIterator, - R: FusedIterator, - EitherIter<L, R>: Iterator, -{ -} - -impl<L, R> fmt::Debug for EitherIter<L, R> -where - L: fmt::Debug, - R: fmt::Debug, -{ - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match self { - EitherIter::Left(l) => l.fmt(f), - EitherIter::Right(r) => r.fmt(f), - } - } -} diff --git a/compiler/rustc_data_structures/src/sso/map.rs b/compiler/rustc_data_structures/src/sso/map.rs index 7cdac581977..99581ed2375 100644 --- a/compiler/rustc_data_structures/src/sso/map.rs +++ b/compiler/rustc_data_structures/src/sso/map.rs @@ -1,24 +1,24 @@ -use super::either_iter::EitherIter; use crate::fx::FxHashMap; use arrayvec::ArrayVec; +use itertools::Either; use std::fmt; use std::hash::Hash; use std::ops::Index; -// For pointer-sized arguments arrays -// are faster than set/map for up to 64 -// arguments. -// -// On the other hand such a big array -// hurts cache performance, makes passing -// sso structures around very expensive. -// -// Biggest performance benefit is gained -// for reasonably small arrays that stay -// small in vast majority of cases. -// -// '8' is chosen as a sane default, to be -// reevaluated later. +/// For pointer-sized arguments arrays +/// are faster than set/map for up to 64 +/// arguments. +/// +/// On the other hand such a big array +/// hurts cache performance, makes passing +/// sso structures around very expensive. +/// +/// Biggest performance benefit is gained +/// for reasonably small arrays that stay +/// small in vast majority of cases. +/// +/// '8' is chosen as a sane default, to be +/// reevaluated later. const SSO_ARRAY_SIZE: usize = 8; /// Small-storage-optimized implementation of a map. @@ -138,8 +138,8 @@ impl<K, V> SsoHashMap<K, V> { /// The iterator element type is `&'a K`. pub fn keys(&self) -> impl Iterator<Item = &'_ K> { match self { - SsoHashMap::Array(array) => EitherIter::Left(array.iter().map(|(k, _v)| k)), - SsoHashMap::Map(map) => EitherIter::Right(map.keys()), + SsoHashMap::Array(array) => Either::Left(array.iter().map(|(k, _v)| k)), + SsoHashMap::Map(map) => Either::Right(map.keys()), } } @@ -147,8 +147,8 @@ impl<K, V> SsoHashMap<K, V> { /// The iterator element type is `&'a V`. pub fn values(&self) -> impl Iterator<Item = &'_ V> { match self { - SsoHashMap::Array(array) => EitherIter::Left(array.iter().map(|(_k, v)| v)), - SsoHashMap::Map(map) => EitherIter::Right(map.values()), + SsoHashMap::Array(array) => Either::Left(array.iter().map(|(_k, v)| v)), + SsoHashMap::Map(map) => Either::Right(map.values()), } } @@ -156,8 +156,8 @@ impl<K, V> SsoHashMap<K, V> { /// The iterator element type is `&'a mut V`. pub fn values_mut(&mut self) -> impl Iterator<Item = &'_ mut V> { match self { - SsoHashMap::Array(array) => EitherIter::Left(array.iter_mut().map(|(_k, v)| v)), - SsoHashMap::Map(map) => EitherIter::Right(map.values_mut()), + SsoHashMap::Array(array) => Either::Left(array.iter_mut().map(|(_k, v)| v)), + SsoHashMap::Map(map) => Either::Right(map.values_mut()), } } @@ -165,8 +165,8 @@ impl<K, V> SsoHashMap<K, V> { /// allocated memory for reuse. pub fn drain(&mut self) -> impl Iterator<Item = (K, V)> + '_ { match self { - SsoHashMap::Array(array) => EitherIter::Left(array.drain(..)), - SsoHashMap::Map(map) => EitherIter::Right(map.drain()), + SsoHashMap::Array(array) => Either::Left(array.drain(..)), + SsoHashMap::Map(map) => Either::Right(map.drain()), } } } @@ -256,12 +256,9 @@ impl<K: Eq + Hash, V> SsoHashMap<K, V> { pub fn remove(&mut self, key: &K) -> Option<V> { match self { SsoHashMap::Array(array) => { - if let Some(index) = array.iter().position(|(k, _v)| k == key) { - Some(array.swap_remove(index).1) - } else { - None - } + array.iter().position(|(k, _v)| k == key).map(|index| array.swap_remove(index).1) } + SsoHashMap::Map(map) => map.remove(key), } } @@ -406,16 +403,16 @@ where } impl<K, V> IntoIterator for SsoHashMap<K, V> { - type IntoIter = EitherIter< - <ArrayVec<(K, V), 8> as IntoIterator>::IntoIter, + type IntoIter = Either< + <ArrayVec<(K, V), SSO_ARRAY_SIZE> as IntoIterator>::IntoIter, <FxHashMap<K, V> as IntoIterator>::IntoIter, >; type Item = <Self::IntoIter as Iterator>::Item; fn into_iter(self) -> Self::IntoIter { match self { - SsoHashMap::Array(array) => EitherIter::Left(array.into_iter()), - SsoHashMap::Map(map) => EitherIter::Right(map.into_iter()), + SsoHashMap::Array(array) => Either::Left(array.into_iter()), + SsoHashMap::Map(map) => Either::Right(map.into_iter()), } } } @@ -435,9 +432,9 @@ fn adapt_array_mut_it<K, V>(pair: &mut (K, V)) -> (&K, &mut V) { } impl<'a, K, V> IntoIterator for &'a SsoHashMap<K, V> { - type IntoIter = EitherIter< + type IntoIter = Either< std::iter::Map< - <&'a ArrayVec<(K, V), 8> as IntoIterator>::IntoIter, + <&'a ArrayVec<(K, V), SSO_ARRAY_SIZE> as IntoIterator>::IntoIter, fn(&'a (K, V)) -> (&'a K, &'a V), >, <&'a FxHashMap<K, V> as IntoIterator>::IntoIter, @@ -446,16 +443,16 @@ impl<'a, K, V> IntoIterator for &'a SsoHashMap<K, V> { fn into_iter(self) -> Self::IntoIter { match self { - SsoHashMap::Array(array) => EitherIter::Left(array.into_iter().map(adapt_array_ref_it)), - SsoHashMap::Map(map) => EitherIter::Right(map.iter()), + SsoHashMap::Array(array) => Either::Left(array.into_iter().map(adapt_array_ref_it)), + SsoHashMap::Map(map) => Either::Right(map.iter()), } } } impl<'a, K, V> IntoIterator for &'a mut SsoHashMap<K, V> { - type IntoIter = EitherIter< + type IntoIter = Either< std::iter::Map< - <&'a mut ArrayVec<(K, V), 8> as IntoIterator>::IntoIter, + <&'a mut ArrayVec<(K, V), SSO_ARRAY_SIZE> as IntoIterator>::IntoIter, fn(&'a mut (K, V)) -> (&'a K, &'a mut V), >, <&'a mut FxHashMap<K, V> as IntoIterator>::IntoIter, @@ -464,8 +461,8 @@ impl<'a, K, V> IntoIterator for &'a mut SsoHashMap<K, V> { fn into_iter(self) -> Self::IntoIter { match self { - SsoHashMap::Array(array) => EitherIter::Left(array.into_iter().map(adapt_array_mut_it)), - SsoHashMap::Map(map) => EitherIter::Right(map.iter_mut()), + SsoHashMap::Array(array) => Either::Left(array.into_iter().map(adapt_array_mut_it)), + SsoHashMap::Map(map) => Either::Right(map.iter_mut()), } } } diff --git a/compiler/rustc_data_structures/src/sso/mod.rs b/compiler/rustc_data_structures/src/sso/mod.rs index dd21bc8e696..ef634b9adce 100644 --- a/compiler/rustc_data_structures/src/sso/mod.rs +++ b/compiler/rustc_data_structures/src/sso/mod.rs @@ -1,4 +1,3 @@ -mod either_iter; mod map; mod set; diff --git a/compiler/rustc_data_structures/src/svh.rs b/compiler/rustc_data_structures/src/svh.rs index 61654b9e8f5..b955df94f16 100644 --- a/compiler/rustc_data_structures/src/svh.rs +++ b/compiler/rustc_data_structures/src/svh.rs @@ -5,40 +5,30 @@ //! mismatches where we have two versions of the same crate that were //! compiled from distinct sources. -use rustc_serialize::{Decodable, Decoder, Encodable, Encoder}; +use crate::fingerprint::Fingerprint; use std::fmt; -use std::hash::{Hash, Hasher}; use crate::stable_hasher; -#[derive(Copy, Clone, PartialEq, Eq, Debug)] +#[derive(Copy, Clone, PartialEq, Eq, Debug, Encodable, Decodable, Hash)] pub struct Svh { - hash: u64, + hash: Fingerprint, } impl Svh { /// Creates a new `Svh` given the hash. If you actually want to /// compute the SVH from some HIR, you want the `calculate_svh` /// function found in `rustc_incremental`. - pub fn new(hash: u64) -> Svh { + pub fn new(hash: Fingerprint) -> Svh { Svh { hash } } pub fn as_u64(&self) -> u64 { - self.hash + self.hash.to_smaller_hash() } pub fn to_string(&self) -> String { - format!("{:016x}", self.hash) - } -} - -impl Hash for Svh { - fn hash<H>(&self, state: &mut H) - where - H: Hasher, - { - self.hash.to_le().hash(state); + format!("{:016x}", self.hash.to_smaller_hash()) } } @@ -48,18 +38,6 @@ impl fmt::Display for Svh { } } -impl<S: Encoder> Encodable<S> for Svh { - fn encode(&self, s: &mut S) { - s.emit_u64(self.as_u64().to_le()); - } -} - -impl<D: Decoder> Decodable<D> for Svh { - fn decode(d: &mut D) -> Svh { - Svh::new(u64::from_le(d.read_u64())) - } -} - impl<T> stable_hasher::HashStable<T> for Svh { #[inline] fn hash_stable(&self, ctx: &mut T, hasher: &mut stable_hasher::StableHasher) { diff --git a/compiler/rustc_data_structures/src/tagged_ptr.rs b/compiler/rustc_data_structures/src/tagged_ptr.rs index 651bc556c98..c26bffac678 100644 --- a/compiler/rustc_data_structures/src/tagged_ptr.rs +++ b/compiler/rustc_data_structures/src/tagged_ptr.rs @@ -3,166 +3,262 @@ //! In order to utilize the pointer packing, you must have two types: a pointer, //! and a tag. //! -//! The pointer must implement the `Pointer` trait, with the primary requirement -//! being conversion to and from a usize. Note that the pointer must be -//! dereferenceable, so raw pointers generally cannot implement the `Pointer` -//! trait. This implies that the pointer must also be nonzero. +//! The pointer must implement the [`Pointer`] trait, with the primary +//! requirement being convertible to and from a raw pointer. Note that the +//! pointer must be dereferenceable, so raw pointers generally cannot implement +//! the [`Pointer`] trait. This implies that the pointer must also be non-null. //! -//! Many common pointer types already implement the `Pointer` trait. +//! Many common pointer types already implement the [`Pointer`] trait. //! -//! The tag must implement the `Tag` trait. We assert that the tag and `Pointer` -//! are compatible at compile time. +//! The tag must implement the [`Tag`] trait. +//! +//! We assert that the tag and the [`Pointer`] types are compatible at compile +//! time. -use std::mem::ManuallyDrop; use std::ops::Deref; +use std::ptr::NonNull; use std::rc::Rc; use std::sync::Arc; +use crate::aligned::Aligned; + mod copy; mod drop; pub use copy::CopyTaggedPtr; pub use drop::TaggedPtr; -/// This describes the pointer type encapsulated by TaggedPtr. +/// This describes the pointer type encapsulated by [`TaggedPtr`] and +/// [`CopyTaggedPtr`]. /// /// # Safety /// -/// The usize returned from `into_usize` must be a valid, dereferenceable, -/// pointer to `<Self as Deref>::Target`. Note that pointers to `Pointee` must -/// be thin, even though `Pointee` may not be sized. +/// The pointer returned from [`into_ptr`] must be a [valid], pointer to +/// [`<Self as Deref>::Target`]. /// -/// Note that the returned pointer from `into_usize` should be castable to `&mut -/// <Self as Deref>::Target` if `Pointer: DerefMut`. +/// Note that if `Self` implements [`DerefMut`] the pointer returned from +/// [`into_ptr`] must be valid for writes (and thus calling [`NonNull::as_mut`] +/// on it must be safe). /// -/// The BITS constant must be correct. At least `BITS` bits, least-significant, -/// must be zero on all returned pointers from `into_usize`. +/// The [`BITS`] constant must be correct. [`BITS`] least-significant bits, +/// must be zero on all pointers returned from [`into_ptr`]. /// -/// For example, if the alignment of `Pointee` is 2, then `BITS` should be 1. +/// For example, if the alignment of [`Self::Target`] is 2, then `BITS` should be 1. +/// +/// [`BITS`]: Pointer::BITS +/// [`into_ptr`]: Pointer::into_ptr +/// [valid]: std::ptr#safety +/// [`<Self as Deref>::Target`]: Deref::Target +/// [`Self::Target`]: Deref::Target +/// [`DerefMut`]: std::ops::DerefMut pub unsafe trait Pointer: Deref { + /// Number of unused (always zero) **least-significant bits** in this + /// pointer, usually related to the pointees alignment. + /// + /// For example if [`BITS`] = `2`, then given `ptr = Self::into_ptr(..)`, + /// `ptr.addr() & 0b11 == 0` must be true. + /// /// Most likely the value you want to use here is the following, unless - /// your Pointee type is unsized (e.g., `ty::List<T>` in rustc) in which - /// case you'll need to manually figure out what the right type to pass to - /// align_of is. + /// your [`Self::Target`] type is unsized (e.g., `ty::List<T>` in rustc) + /// or your pointer is over/under aligned, in which case you'll need to + /// manually figure out what the right type to pass to [`bits_for`] is, or + /// what the value to set here. /// - /// ```ignore UNSOLVED (what to do about the Self) + /// ```rust /// # use std::ops::Deref; - /// std::mem::align_of::<<Self as Deref>::Target>().trailing_zeros() as usize; + /// # use rustc_data_structures::tagged_ptr::bits_for; + /// # struct T; + /// # impl Deref for T { type Target = u8; fn deref(&self) -> &u8 { &0 } } + /// # impl T { + /// const BITS: u32 = bits_for::<<Self as Deref>::Target>(); + /// # } /// ``` - const BITS: usize; - fn into_usize(self) -> usize; + /// + /// [`BITS`]: Pointer::BITS + /// [`Self::Target`]: Deref::Target + const BITS: u32; - /// # Safety + /// Turns this pointer into a raw, non-null pointer. + /// + /// The inverse of this function is [`from_ptr`]. /// - /// The passed `ptr` must be returned from `into_usize`. + /// This function guarantees that the least-significant [`Self::BITS`] bits + /// are zero. /// - /// This acts as `ptr::read` semantically, it should not be called more than - /// once on non-`Copy` `Pointer`s. - unsafe fn from_usize(ptr: usize) -> Self; + /// [`from_ptr`]: Pointer::from_ptr + /// [`Self::BITS`]: Pointer::BITS + fn into_ptr(self) -> NonNull<Self::Target>; - /// This provides a reference to the `Pointer` itself, rather than the - /// `Deref::Target`. It is used for cases where we want to call methods that - /// may be implement differently for the Pointer than the Pointee (e.g., - /// `Rc::clone` vs cloning the inner value). + /// Re-creates the original pointer, from a raw pointer returned by [`into_ptr`]. /// /// # Safety /// - /// The passed `ptr` must be returned from `into_usize`. - unsafe fn with_ref<R, F: FnOnce(&Self) -> R>(ptr: usize, f: F) -> R; + /// The passed `ptr` must be returned from [`into_ptr`]. + /// + /// This acts as [`ptr::read::<Self>()`] semantically, it should not be called more than + /// once on non-[`Copy`] `Pointer`s. + /// + /// [`into_ptr`]: Pointer::into_ptr + /// [`ptr::read::<Self>()`]: std::ptr::read + unsafe fn from_ptr(ptr: NonNull<Self::Target>) -> Self; } -/// This describes tags that the `TaggedPtr` struct can hold. +/// This describes tags that the [`TaggedPtr`] struct can hold. /// /// # Safety /// -/// The BITS constant must be correct. +/// The [`BITS`] constant must be correct. +/// +/// No more than [`BITS`] least-significant bits may be set in the returned usize. /// -/// No more than `BITS` least significant bits may be set in the returned usize. +/// [`BITS`]: Tag::BITS pub unsafe trait Tag: Copy { - const BITS: usize; + /// Number of least-significant bits in the return value of [`into_usize`] + /// which may be non-zero. In other words this is the bit width of the + /// value. + /// + /// [`into_usize`]: Tag::into_usize + const BITS: u32; + /// Turns this tag into an integer. + /// + /// The inverse of this function is [`from_usize`]. + /// + /// This function guarantees that only the least-significant [`Self::BITS`] + /// bits can be non-zero. + /// + /// [`from_usize`]: Tag::from_usize + /// [`Self::BITS`]: Tag::BITS fn into_usize(self) -> usize; + /// Re-creates the tag from the integer returned by [`into_usize`]. + /// /// # Safety /// - /// The passed `tag` must be returned from `into_usize`. + /// The passed `tag` must be returned from [`into_usize`]. + /// + /// [`into_usize`]: Tag::into_usize unsafe fn from_usize(tag: usize) -> Self; } -unsafe impl<T> Pointer for Box<T> { - const BITS: usize = std::mem::align_of::<T>().trailing_zeros() as usize; +unsafe impl<T: ?Sized + Aligned> Pointer for Box<T> { + const BITS: u32 = bits_for::<Self::Target>(); + #[inline] - fn into_usize(self) -> usize { - Box::into_raw(self) as usize + fn into_ptr(self) -> NonNull<T> { + // Safety: pointers from `Box::into_raw` are valid & non-null + unsafe { NonNull::new_unchecked(Box::into_raw(self)) } } + #[inline] - unsafe fn from_usize(ptr: usize) -> Self { - Box::from_raw(ptr as *mut T) - } - unsafe fn with_ref<R, F: FnOnce(&Self) -> R>(ptr: usize, f: F) -> R { - let raw = ManuallyDrop::new(Self::from_usize(ptr)); - f(&raw) + unsafe fn from_ptr(ptr: NonNull<T>) -> Self { + // Safety: `ptr` comes from `into_ptr` which calls `Box::into_raw` + Box::from_raw(ptr.as_ptr()) } } -unsafe impl<T> Pointer for Rc<T> { - const BITS: usize = std::mem::align_of::<T>().trailing_zeros() as usize; +unsafe impl<T: ?Sized + Aligned> Pointer for Rc<T> { + const BITS: u32 = bits_for::<Self::Target>(); + #[inline] - fn into_usize(self) -> usize { - Rc::into_raw(self) as usize + fn into_ptr(self) -> NonNull<T> { + // Safety: pointers from `Rc::into_raw` are valid & non-null + unsafe { NonNull::new_unchecked(Rc::into_raw(self).cast_mut()) } + } + + #[inline] + unsafe fn from_ptr(ptr: NonNull<T>) -> Self { + // Safety: `ptr` comes from `into_ptr` which calls `Rc::into_raw` + Rc::from_raw(ptr.as_ptr()) } +} + +unsafe impl<T: ?Sized + Aligned> Pointer for Arc<T> { + const BITS: u32 = bits_for::<Self::Target>(); + #[inline] - unsafe fn from_usize(ptr: usize) -> Self { - Rc::from_raw(ptr as *const T) + fn into_ptr(self) -> NonNull<T> { + // Safety: pointers from `Arc::into_raw` are valid & non-null + unsafe { NonNull::new_unchecked(Arc::into_raw(self).cast_mut()) } } - unsafe fn with_ref<R, F: FnOnce(&Self) -> R>(ptr: usize, f: F) -> R { - let raw = ManuallyDrop::new(Self::from_usize(ptr)); - f(&raw) + + #[inline] + unsafe fn from_ptr(ptr: NonNull<T>) -> Self { + // Safety: `ptr` comes from `into_ptr` which calls `Arc::into_raw` + Arc::from_raw(ptr.as_ptr()) } } -unsafe impl<T> Pointer for Arc<T> { - const BITS: usize = std::mem::align_of::<T>().trailing_zeros() as usize; +unsafe impl<'a, T: 'a + ?Sized + Aligned> Pointer for &'a T { + const BITS: u32 = bits_for::<Self::Target>(); + #[inline] - fn into_usize(self) -> usize { - Arc::into_raw(self) as usize + fn into_ptr(self) -> NonNull<T> { + NonNull::from(self) } + #[inline] - unsafe fn from_usize(ptr: usize) -> Self { - Arc::from_raw(ptr as *const T) - } - unsafe fn with_ref<R, F: FnOnce(&Self) -> R>(ptr: usize, f: F) -> R { - let raw = ManuallyDrop::new(Self::from_usize(ptr)); - f(&raw) + unsafe fn from_ptr(ptr: NonNull<T>) -> Self { + // Safety: + // `ptr` comes from `into_ptr` which gets the pointer from a reference + ptr.as_ref() } } -unsafe impl<'a, T: 'a> Pointer for &'a T { - const BITS: usize = std::mem::align_of::<T>().trailing_zeros() as usize; +unsafe impl<'a, T: 'a + ?Sized + Aligned> Pointer for &'a mut T { + const BITS: u32 = bits_for::<Self::Target>(); + #[inline] - fn into_usize(self) -> usize { - self as *const T as usize + fn into_ptr(self) -> NonNull<T> { + NonNull::from(self) } + #[inline] - unsafe fn from_usize(ptr: usize) -> Self { - &*(ptr as *const T) - } - unsafe fn with_ref<R, F: FnOnce(&Self) -> R>(ptr: usize, f: F) -> R { - f(&*(&ptr as *const usize as *const Self)) + unsafe fn from_ptr(mut ptr: NonNull<T>) -> Self { + // Safety: + // `ptr` comes from `into_ptr` which gets the pointer from a reference + ptr.as_mut() } } -unsafe impl<'a, T: 'a> Pointer for &'a mut T { - const BITS: usize = std::mem::align_of::<T>().trailing_zeros() as usize; - #[inline] +/// Returns the number of bits available for use for tags in a pointer to `T` +/// (this is based on `T`'s alignment). +pub const fn bits_for<T: ?Sized + Aligned>() -> u32 { + crate::aligned::align_of::<T>().as_nonzero().trailing_zeros() +} + +/// A tag type used in [`CopyTaggedPtr`] and [`TaggedPtr`] tests. +#[derive(Copy, Clone, Debug, PartialEq, Eq)] +#[cfg(test)] +enum Tag2 { + B00 = 0b00, + B01 = 0b01, + B10 = 0b10, + B11 = 0b11, +} + +#[cfg(test)] +unsafe impl Tag for Tag2 { + const BITS: u32 = 2; + fn into_usize(self) -> usize { - self as *mut T as usize + self as _ } - #[inline] - unsafe fn from_usize(ptr: usize) -> Self { - &mut *(ptr as *mut T) + + unsafe fn from_usize(tag: usize) -> Self { + match tag { + 0b00 => Tag2::B00, + 0b01 => Tag2::B01, + 0b10 => Tag2::B10, + 0b11 => Tag2::B11, + _ => unreachable!(), + } } - unsafe fn with_ref<R, F: FnOnce(&Self) -> R>(ptr: usize, f: F) -> R { - f(&*(&ptr as *const usize as *const Self)) +} + +#[cfg(test)] +impl<HCX> crate::stable_hasher::HashStable<HCX> for Tag2 { + fn hash_stable(&self, hcx: &mut HCX, hasher: &mut crate::stable_hasher::StableHasher) { + (*self as u8).hash_stable(hcx, hasher); } } diff --git a/compiler/rustc_data_structures/src/tagged_ptr/copy.rs b/compiler/rustc_data_structures/src/tagged_ptr/copy.rs index e1d3e0bd35a..691e92f196a 100644 --- a/compiler/rustc_data_structures/src/tagged_ptr/copy.rs +++ b/compiler/rustc_data_structures/src/tagged_ptr/copy.rs @@ -1,78 +1,92 @@ use super::{Pointer, Tag}; use crate::stable_hasher::{HashStable, StableHasher}; use std::fmt; +use std::hash::{Hash, Hasher}; use std::marker::PhantomData; +use std::mem::ManuallyDrop; use std::num::NonZeroUsize; +use std::ops::{Deref, DerefMut}; +use std::ptr::NonNull; -/// A `Copy` TaggedPtr. +/// A [`Copy`] tagged pointer. /// -/// You should use this instead of the `TaggedPtr` type in all cases where -/// `P: Copy`. +/// This is essentially `{ pointer: P, tag: T }` packed in a single pointer. +/// +/// You should use this instead of the [`TaggedPtr`] type in all cases where +/// `P` implements [`Copy`]. /// /// If `COMPARE_PACKED` is true, then the pointers will be compared and hashed without -/// unpacking. Otherwise we don't implement PartialEq/Eq/Hash; if you want that, -/// wrap the TaggedPtr. +/// unpacking. Otherwise we don't implement [`PartialEq`], [`Eq`] and [`Hash`]; +/// if you want that, wrap the [`CopyTaggedPtr`]. +/// +/// [`TaggedPtr`]: crate::tagged_ptr::TaggedPtr pub struct CopyTaggedPtr<P, T, const COMPARE_PACKED: bool> where P: Pointer, T: Tag, { - packed: NonZeroUsize, - data: PhantomData<(P, T)>, -} - -impl<P, T, const COMPARE_PACKED: bool> Copy for CopyTaggedPtr<P, T, COMPARE_PACKED> -where - P: Pointer, - T: Tag, - P: Copy, -{ -} - -impl<P, T, const COMPARE_PACKED: bool> Clone for CopyTaggedPtr<P, T, COMPARE_PACKED> -where - P: Pointer, - T: Tag, - P: Copy, -{ - fn clone(&self) -> Self { - *self - } + /// This is semantically a pair of `pointer: P` and `tag: T` fields, + /// however we pack them in a single pointer, to save space. + /// + /// We pack the tag into the **most**-significant bits of the pointer to + /// ease retrieval of the value. A left shift is a multiplication and + /// those are embeddable in instruction encoding, for example: + /// + /// ```asm + /// // (<https://godbolt.org/z/jqcYPWEr3>) + /// example::shift_read3: + /// mov eax, dword ptr [8*rdi] + /// ret + /// + /// example::mask_read3: + /// and rdi, -8 + /// mov eax, dword ptr [rdi] + /// ret + /// ``` + /// + /// This is ASM outputted by rustc for reads of values behind tagged + /// pointers for different approaches of tagging: + /// - `shift_read3` uses `<< 3` (the tag is in the most-significant bits) + /// - `mask_read3` uses `& !0b111` (the tag is in the least-significant bits) + /// + /// The shift approach thus produces less instructions and is likely faster + /// (see <https://godbolt.org/z/Y913sMdWb>). + /// + /// Encoding diagram: + /// ```text + /// [ packed.addr ] + /// [ tag ] [ pointer.addr >> T::BITS ] <-- usize::BITS - T::BITS bits + /// ^ + /// | + /// T::BITS bits + /// ``` + /// + /// The tag can be retrieved by `packed.addr() >> T::BITS` and the pointer + /// can be retrieved by `packed.map_addr(|addr| addr << T::BITS)`. + packed: NonNull<P::Target>, + tag_ghost: PhantomData<T>, } -// We pack the tag into the *upper* bits of the pointer to ease retrieval of the -// value; a left shift is a multiplication and those are embeddable in -// instruction encoding. -impl<P, T, const COMPARE_PACKED: bool> CopyTaggedPtr<P, T, COMPARE_PACKED> +// Note that even though `CopyTaggedPtr` is only really expected to work with +// `P: Copy`, can't add `P: Copy` bound, because `CopyTaggedPtr` is used in the +// `TaggedPtr`'s implementation. +impl<P, T, const CP: bool> CopyTaggedPtr<P, T, CP> where P: Pointer, T: Tag, { - const TAG_BIT_SHIFT: usize = usize::BITS as usize - T::BITS; - const ASSERTION: () = { - assert!(T::BITS <= P::BITS); - // Used for the transmute_copy's below - assert!(std::mem::size_of::<&P::Target>() == std::mem::size_of::<usize>()); - }; - + /// Tags `pointer` with `tag`. + /// + /// Note that this leaks `pointer`: it won't be dropped when + /// `CopyTaggedPtr` is dropped. If you have a pointer with a significant + /// drop, use [`TaggedPtr`] instead. + /// + /// [`TaggedPtr`]: crate::tagged_ptr::TaggedPtr pub fn new(pointer: P, tag: T) -> Self { - // Trigger assert! - let () = Self::ASSERTION; - let packed_tag = tag.into_usize() << Self::TAG_BIT_SHIFT; - - Self { - // SAFETY: We know that the pointer is non-null, as it must be - // dereferenceable per `Pointer` safety contract. - packed: unsafe { - NonZeroUsize::new_unchecked((P::into_usize(pointer) >> T::BITS) | packed_tag) - }, - data: PhantomData, - } + Self { packed: Self::pack(P::into_ptr(pointer), tag), tag_ghost: PhantomData } } - pub(super) fn pointer_raw(&self) -> usize { - self.packed.get() << T::BITS - } + /// Retrieves the pointer. pub fn pointer(self) -> P where P: Copy, @@ -81,66 +95,138 @@ where // // Note that this isn't going to double-drop or anything because we have // P: Copy - unsafe { P::from_usize(self.pointer_raw()) } - } - pub fn pointer_ref(&self) -> &P::Target { - // SAFETY: pointer_raw returns the original pointer - unsafe { std::mem::transmute_copy(&self.pointer_raw()) } - } - pub fn pointer_mut(&mut self) -> &mut P::Target - where - P: std::ops::DerefMut, - { - // SAFETY: pointer_raw returns the original pointer - unsafe { std::mem::transmute_copy(&self.pointer_raw()) } + unsafe { P::from_ptr(self.pointer_raw()) } } + + /// Retrieves the tag. #[inline] pub fn tag(&self) -> T { - unsafe { T::from_usize(self.packed.get() >> Self::TAG_BIT_SHIFT) } + // Unpack the tag, according to the `self.packed` encoding scheme + let tag = self.packed.addr().get() >> Self::TAG_BIT_SHIFT; + + // Safety: + // The shift retrieves the original value from `T::into_usize`, + // satisfying `T::from_usize`'s preconditions. + unsafe { T::from_usize(tag) } } + + /// Sets the tag to a new value. #[inline] pub fn set_tag(&mut self, tag: T) { - let mut packed = self.packed.get(); - let new_tag = T::into_usize(tag) << Self::TAG_BIT_SHIFT; - let tag_mask = (1 << T::BITS) - 1; - packed &= !(tag_mask << Self::TAG_BIT_SHIFT); - packed |= new_tag; - self.packed = unsafe { NonZeroUsize::new_unchecked(packed) }; + self.packed = Self::pack(self.pointer_raw(), tag); + } + + const TAG_BIT_SHIFT: u32 = usize::BITS - T::BITS; + const ASSERTION: () = { assert!(T::BITS <= P::BITS) }; + + /// Pack pointer `ptr` that comes from [`P::into_ptr`] with a `tag`, + /// according to `self.packed` encoding scheme. + /// + /// [`P::into_ptr`]: Pointer::into_ptr + fn pack(ptr: NonNull<P::Target>, tag: T) -> NonNull<P::Target> { + // Trigger assert! + let () = Self::ASSERTION; + + let packed_tag = tag.into_usize() << Self::TAG_BIT_SHIFT; + + ptr.map_addr(|addr| { + // Safety: + // - The pointer is `NonNull` => it's address is `NonZeroUsize` + // - `P::BITS` least significant bits are always zero (`Pointer` contract) + // - `T::BITS <= P::BITS` (from `Self::ASSERTION`) + // + // Thus `addr >> T::BITS` is guaranteed to be non-zero. + // + // `{non_zero} | packed_tag` can't make the value zero. + + let packed = (addr.get() >> T::BITS) | packed_tag; + unsafe { NonZeroUsize::new_unchecked(packed) } + }) + } + + /// Retrieves the original raw pointer from `self.packed`. + pub(super) fn pointer_raw(&self) -> NonNull<P::Target> { + self.packed.map_addr(|addr| unsafe { NonZeroUsize::new_unchecked(addr.get() << T::BITS) }) + } + + /// This provides a reference to the `P` pointer itself, rather than the + /// `Deref::Target`. It is used for cases where we want to call methods + /// that may be implement differently for the Pointer than the Pointee + /// (e.g., `Rc::clone` vs cloning the inner value). + pub(super) fn with_pointer_ref<R>(&self, f: impl FnOnce(&P) -> R) -> R { + // Safety: + // - `self.raw.pointer_raw()` is originally returned from `P::into_ptr` + // and as such is valid for `P::from_ptr`. + // - This also allows us to not care whatever `f` panics or not. + // - Even though we create a copy of the pointer, we store it inside + // `ManuallyDrop` and only access it by-ref, so we don't double-drop. + // + // Semantically this is just `f(&self.pointer)` (where `self.pointer` + // is non-packed original pointer). + // + // Note that even though `CopyTaggedPtr` is only really expected to + // work with `P: Copy`, we have to assume `P: ?Copy`, because + // `CopyTaggedPtr` is used in the `TaggedPtr`'s implementation. + let ptr = unsafe { ManuallyDrop::new(P::from_ptr(self.pointer_raw())) }; + f(&ptr) } } -impl<P, T, const COMPARE_PACKED: bool> std::ops::Deref for CopyTaggedPtr<P, T, COMPARE_PACKED> +impl<P, T, const CP: bool> Copy for CopyTaggedPtr<P, T, CP> +where + P: Pointer + Copy, + T: Tag, +{ +} + +impl<P, T, const CP: bool> Clone for CopyTaggedPtr<P, T, CP> +where + P: Pointer + Copy, + T: Tag, +{ + fn clone(&self) -> Self { + *self + } +} + +impl<P, T, const CP: bool> Deref for CopyTaggedPtr<P, T, CP> where P: Pointer, T: Tag, { type Target = P::Target; + fn deref(&self) -> &Self::Target { - self.pointer_ref() + // Safety: + // `pointer_raw` returns the original pointer from `P::into_ptr` which, + // by the `Pointer`'s contract, must be valid. + unsafe { self.pointer_raw().as_ref() } } } -impl<P, T, const COMPARE_PACKED: bool> std::ops::DerefMut for CopyTaggedPtr<P, T, COMPARE_PACKED> +impl<P, T, const CP: bool> DerefMut for CopyTaggedPtr<P, T, CP> where - P: Pointer + std::ops::DerefMut, + P: Pointer + DerefMut, T: Tag, { fn deref_mut(&mut self) -> &mut Self::Target { - self.pointer_mut() + // Safety: + // `pointer_raw` returns the original pointer from `P::into_ptr` which, + // by the `Pointer`'s contract, must be valid for writes if + // `P: DerefMut`. + unsafe { self.pointer_raw().as_mut() } } } -impl<P, T, const COMPARE_PACKED: bool> fmt::Debug for CopyTaggedPtr<P, T, COMPARE_PACKED> +impl<P, T, const CP: bool> fmt::Debug for CopyTaggedPtr<P, T, CP> where - P: Pointer, - P::Target: fmt::Debug, + P: Pointer + fmt::Debug, T: Tag + fmt::Debug, { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("CopyTaggedPtr") - .field("pointer", &self.pointer_ref()) - .field("tag", &self.tag()) - .finish() + self.with_pointer_ref(|ptr| { + f.debug_struct("CopyTaggedPtr").field("pointer", ptr).field("tag", &self.tag()).finish() + }) } } @@ -161,25 +247,73 @@ where { } -impl<P, T> std::hash::Hash for CopyTaggedPtr<P, T, true> +impl<P, T> Hash for CopyTaggedPtr<P, T, true> where P: Pointer, T: Tag, { - fn hash<H: std::hash::Hasher>(&self, state: &mut H) { + fn hash<H: Hasher>(&self, state: &mut H) { self.packed.hash(state); } } -impl<P, T, HCX, const COMPARE_PACKED: bool> HashStable<HCX> for CopyTaggedPtr<P, T, COMPARE_PACKED> +impl<P, T, HCX, const CP: bool> HashStable<HCX> for CopyTaggedPtr<P, T, CP> where P: Pointer + HashStable<HCX>, T: Tag + HashStable<HCX>, { fn hash_stable(&self, hcx: &mut HCX, hasher: &mut StableHasher) { - unsafe { - Pointer::with_ref(self.pointer_raw(), |p: &P| p.hash_stable(hcx, hasher)); - } + self.with_pointer_ref(|ptr| ptr.hash_stable(hcx, hasher)); self.tag().hash_stable(hcx, hasher); } } + +// Safety: +// `CopyTaggedPtr<P, T, ..>` is semantically just `{ ptr: P, tag: T }`, as such +// it's ok to implement `Sync` as long as `P: Sync, T: Sync` +unsafe impl<P, T, const CP: bool> Sync for CopyTaggedPtr<P, T, CP> +where + P: Sync + Pointer, + T: Sync + Tag, +{ +} + +// Safety: +// `CopyTaggedPtr<P, T, ..>` is semantically just `{ ptr: P, tag: T }`, as such +// it's ok to implement `Send` as long as `P: Send, T: Send` +unsafe impl<P, T, const CP: bool> Send for CopyTaggedPtr<P, T, CP> +where + P: Send + Pointer, + T: Send + Tag, +{ +} + +/// Test that `new` does not compile if there is not enough alignment for the +/// tag in the pointer. +/// +/// ```compile_fail,E0080 +/// use rustc_data_structures::tagged_ptr::{CopyTaggedPtr, Tag}; +/// +/// #[derive(Copy, Clone, Debug, PartialEq, Eq)] +/// enum Tag2 { B00 = 0b00, B01 = 0b01, B10 = 0b10, B11 = 0b11 }; +/// +/// unsafe impl Tag for Tag2 { +/// const BITS: u32 = 2; +/// +/// fn into_usize(self) -> usize { todo!() } +/// unsafe fn from_usize(tag: usize) -> Self { todo!() } +/// } +/// +/// let value = 12u16; +/// let reference = &value; +/// let tag = Tag2::B01; +/// +/// let _ptr = CopyTaggedPtr::<_, _, true>::new(reference, tag); +/// ``` +// For some reason miri does not get the compile error +// probably it `check`s instead of `build`ing? +#[cfg(not(miri))] +const _: () = (); + +#[cfg(test)] +mod tests; diff --git a/compiler/rustc_data_structures/src/tagged_ptr/copy/tests.rs b/compiler/rustc_data_structures/src/tagged_ptr/copy/tests.rs new file mode 100644 index 00000000000..bfcc2e603de --- /dev/null +++ b/compiler/rustc_data_structures/src/tagged_ptr/copy/tests.rs @@ -0,0 +1,50 @@ +use std::ptr; + +use crate::stable_hasher::{HashStable, StableHasher}; +use crate::tagged_ptr::{CopyTaggedPtr, Pointer, Tag, Tag2}; + +#[test] +fn smoke() { + let value = 12u32; + let reference = &value; + let tag = Tag2::B01; + + let ptr = tag_ptr(reference, tag); + + assert_eq!(ptr.tag(), tag); + assert_eq!(*ptr, 12); + assert!(ptr::eq(ptr.pointer(), reference)); + + let copy = ptr; + + let mut ptr = ptr; + ptr.set_tag(Tag2::B00); + assert_eq!(ptr.tag(), Tag2::B00); + + assert_eq!(copy.tag(), tag); + assert_eq!(*copy, 12); + assert!(ptr::eq(copy.pointer(), reference)); +} + +#[test] +fn stable_hash_hashes_as_tuple() { + let hash_packed = { + let mut hasher = StableHasher::new(); + tag_ptr(&12, Tag2::B11).hash_stable(&mut (), &mut hasher); + + hasher.finalize() + }; + + let hash_tupled = { + let mut hasher = StableHasher::new(); + (&12, Tag2::B11).hash_stable(&mut (), &mut hasher); + hasher.finalize() + }; + + assert_eq!(hash_packed, hash_tupled); +} + +/// Helper to create tagged pointers without specifying `COMPARE_PACKED` if it does not matter. +fn tag_ptr<P: Pointer, T: Tag>(ptr: P, tag: T) -> CopyTaggedPtr<P, T, true> { + CopyTaggedPtr::new(ptr, tag) +} diff --git a/compiler/rustc_data_structures/src/tagged_ptr/drop.rs b/compiler/rustc_data_structures/src/tagged_ptr/drop.rs index b0315c93d93..d418c06b7eb 100644 --- a/compiler/rustc_data_structures/src/tagged_ptr/drop.rs +++ b/compiler/rustc_data_structures/src/tagged_ptr/drop.rs @@ -1,14 +1,21 @@ -use super::{Pointer, Tag}; -use crate::stable_hasher::{HashStable, StableHasher}; use std::fmt; +use std::hash::{Hash, Hasher}; +use std::ops::{Deref, DerefMut}; use super::CopyTaggedPtr; +use super::{Pointer, Tag}; +use crate::stable_hasher::{HashStable, StableHasher}; -/// A TaggedPtr implementing `Drop`. +/// A tagged pointer that supports pointers that implement [`Drop`]. +/// +/// This is essentially `{ pointer: P, tag: T }` packed in a single pointer. +/// +/// You should use [`CopyTaggedPtr`] instead of the this type in all cases +/// where `P` implements [`Copy`]. /// /// If `COMPARE_PACKED` is true, then the pointers will be compared and hashed without -/// unpacking. Otherwise we don't implement PartialEq/Eq/Hash; if you want that, -/// wrap the TaggedPtr. +/// unpacking. Otherwise we don't implement [`PartialEq`], [`Eq`] and [`Hash`]; +/// if you want that, wrap the [`TaggedPtr`]. pub struct TaggedPtr<P, T, const COMPARE_PACKED: bool> where P: Pointer, @@ -17,58 +24,61 @@ where raw: CopyTaggedPtr<P, T, COMPARE_PACKED>, } -impl<P, T, const COMPARE_PACKED: bool> Clone for TaggedPtr<P, T, COMPARE_PACKED> -where - P: Pointer + Clone, - T: Tag, -{ - fn clone(&self) -> Self { - unsafe { Self::new(P::with_ref(self.raw.pointer_raw(), |p| p.clone()), self.raw.tag()) } - } -} - -// We pack the tag into the *upper* bits of the pointer to ease retrieval of the -// value; a right shift is a multiplication and those are embeddable in -// instruction encoding. -impl<P, T, const COMPARE_PACKED: bool> TaggedPtr<P, T, COMPARE_PACKED> +impl<P, T, const CP: bool> TaggedPtr<P, T, CP> where P: Pointer, T: Tag, { + /// Tags `pointer` with `tag`. pub fn new(pointer: P, tag: T) -> Self { TaggedPtr { raw: CopyTaggedPtr::new(pointer, tag) } } - pub fn pointer_ref(&self) -> &P::Target { - self.raw.pointer_ref() - } + /// Retrieves the tag. pub fn tag(&self) -> T { self.raw.tag() } + + /// Sets the tag to a new value. + pub fn set_tag(&mut self, tag: T) { + self.raw.set_tag(tag) + } } -impl<P, T, const COMPARE_PACKED: bool> std::ops::Deref for TaggedPtr<P, T, COMPARE_PACKED> +impl<P, T, const CP: bool> Clone for TaggedPtr<P, T, CP> +where + P: Pointer + Clone, + T: Tag, +{ + fn clone(&self) -> Self { + let ptr = self.raw.with_pointer_ref(P::clone); + + Self::new(ptr, self.tag()) + } +} + +impl<P, T, const CP: bool> Deref for TaggedPtr<P, T, CP> where P: Pointer, T: Tag, { type Target = P::Target; fn deref(&self) -> &Self::Target { - self.raw.pointer_ref() + self.raw.deref() } } -impl<P, T, const COMPARE_PACKED: bool> std::ops::DerefMut for TaggedPtr<P, T, COMPARE_PACKED> +impl<P, T, const CP: bool> DerefMut for TaggedPtr<P, T, CP> where - P: Pointer + std::ops::DerefMut, + P: Pointer + DerefMut, T: Tag, { fn deref_mut(&mut self) -> &mut Self::Target { - self.raw.pointer_mut() + self.raw.deref_mut() } } -impl<P, T, const COMPARE_PACKED: bool> Drop for TaggedPtr<P, T, COMPARE_PACKED> +impl<P, T, const CP: bool> Drop for TaggedPtr<P, T, CP> where P: Pointer, T: Tag, @@ -76,22 +86,20 @@ where fn drop(&mut self) { // No need to drop the tag, as it's Copy unsafe { - drop(P::from_usize(self.raw.pointer_raw())); + drop(P::from_ptr(self.raw.pointer_raw())); } } } -impl<P, T, const COMPARE_PACKED: bool> fmt::Debug for TaggedPtr<P, T, COMPARE_PACKED> +impl<P, T, const CP: bool> fmt::Debug for TaggedPtr<P, T, CP> where - P: Pointer, - P::Target: fmt::Debug, + P: Pointer + fmt::Debug, T: Tag + fmt::Debug, { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("TaggedPtr") - .field("pointer", &self.pointer_ref()) - .field("tag", &self.tag()) - .finish() + self.raw.with_pointer_ref(|ptr| { + f.debug_struct("TaggedPtr").field("pointer", ptr).field("tag", &self.tag()).finish() + }) } } @@ -112,17 +120,17 @@ where { } -impl<P, T> std::hash::Hash for TaggedPtr<P, T, true> +impl<P, T> Hash for TaggedPtr<P, T, true> where P: Pointer, T: Tag, { - fn hash<H: std::hash::Hasher>(&self, state: &mut H) { + fn hash<H: Hasher>(&self, state: &mut H) { self.raw.hash(state); } } -impl<P, T, HCX, const COMPARE_PACKED: bool> HashStable<HCX> for TaggedPtr<P, T, COMPARE_PACKED> +impl<P, T, HCX, const CP: bool> HashStable<HCX> for TaggedPtr<P, T, CP> where P: Pointer + HashStable<HCX>, T: Tag + HashStable<HCX>, @@ -131,3 +139,33 @@ where self.raw.hash_stable(hcx, hasher); } } + +/// Test that `new` does not compile if there is not enough alignment for the +/// tag in the pointer. +/// +/// ```compile_fail,E0080 +/// use rustc_data_structures::tagged_ptr::{TaggedPtr, Tag}; +/// +/// #[derive(Copy, Clone, Debug, PartialEq, Eq)] +/// enum Tag2 { B00 = 0b00, B01 = 0b01, B10 = 0b10, B11 = 0b11 }; +/// +/// unsafe impl Tag for Tag2 { +/// const BITS: u32 = 2; +/// +/// fn into_usize(self) -> usize { todo!() } +/// unsafe fn from_usize(tag: usize) -> Self { todo!() } +/// } +/// +/// let value = 12u16; +/// let reference = &value; +/// let tag = Tag2::B01; +/// +/// let _ptr = TaggedPtr::<_, _, true>::new(reference, tag); +/// ``` +// For some reason miri does not get the compile error +// probably it `check`s instead of `build`ing? +#[cfg(not(miri))] +const _: () = (); + +#[cfg(test)] +mod tests; diff --git a/compiler/rustc_data_structures/src/tagged_ptr/drop/tests.rs b/compiler/rustc_data_structures/src/tagged_ptr/drop/tests.rs new file mode 100644 index 00000000000..2c17d678d3a --- /dev/null +++ b/compiler/rustc_data_structures/src/tagged_ptr/drop/tests.rs @@ -0,0 +1,71 @@ +use std::{ptr, sync::Arc}; + +use crate::tagged_ptr::{Pointer, Tag, Tag2, TaggedPtr}; + +#[test] +fn smoke() { + let value = 12u32; + let reference = &value; + let tag = Tag2::B01; + + let ptr = tag_ptr(reference, tag); + + assert_eq!(ptr.tag(), tag); + assert_eq!(*ptr, 12); + + let clone = ptr.clone(); + assert_eq!(clone.tag(), tag); + assert_eq!(*clone, 12); + + let mut ptr = ptr; + ptr.set_tag(Tag2::B00); + assert_eq!(ptr.tag(), Tag2::B00); + + assert_eq!(clone.tag(), tag); + assert_eq!(*clone, 12); + assert!(ptr::eq(&*ptr, &*clone)) +} + +#[test] +fn boxed() { + let value = 12u32; + let boxed = Box::new(value); + let tag = Tag2::B01; + + let ptr = tag_ptr(boxed, tag); + + assert_eq!(ptr.tag(), tag); + assert_eq!(*ptr, 12); + + let clone = ptr.clone(); + assert_eq!(clone.tag(), tag); + assert_eq!(*clone, 12); + + let mut ptr = ptr; + ptr.set_tag(Tag2::B00); + assert_eq!(ptr.tag(), Tag2::B00); + + assert_eq!(clone.tag(), tag); + assert_eq!(*clone, 12); + assert!(!ptr::eq(&*ptr, &*clone)) +} + +#[test] +fn arclones() { + let value = 12u32; + let arc = Arc::new(value); + let tag = Tag2::B01; + + let ptr = tag_ptr(arc, tag); + + assert_eq!(ptr.tag(), tag); + assert_eq!(*ptr, 12); + + let clone = ptr.clone(); + assert!(ptr::eq(&*ptr, &*clone)) +} + +/// Helper to create tagged pointers without specifying `COMPARE_PACKED` if it does not matter. +fn tag_ptr<P: Pointer, T: Tag>(ptr: P, tag: T) -> TaggedPtr<P, T, true> { + TaggedPtr::new(ptr, tag) +} diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 730d41ab962..b9f0e756e65 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -5,7 +5,6 @@ //! This API is completely unstable and subject to change. #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")] -#![feature(is_terminal)] #![feature(lazy_cell)] #![feature(decl_macro)] #![recursion_limit = "256"] @@ -37,7 +36,7 @@ use rustc_metadata::locator; use rustc_session::config::{nightly_options, CG_OPTIONS, Z_OPTIONS}; use rustc_session::config::{ErrorOutputType, Input, OutputType, PrintRequest, TrimmedDefPaths}; use rustc_session::cstore::MetadataLoader; -use rustc_session::getopts; +use rustc_session::getopts::{self, Matches}; use rustc_session::lint::{Lint, LintId}; use rustc_session::{config, Session}; use rustc_session::{early_error, early_error_no_abort, early_warn}; @@ -956,6 +955,46 @@ Available lint options: } } +/// Show help for flag categories shared between rustdoc and rustc. +/// +/// Returns whether a help option was printed. +pub fn describe_flag_categories(matches: &Matches) -> bool { + // Handle the special case of -Wall. + let wall = matches.opt_strs("W"); + if wall.iter().any(|x| *x == "all") { + print_wall_help(); + rustc_errors::FatalError.raise(); + } + + // Don't handle -W help here, because we might first load plugins. + let debug_flags = matches.opt_strs("Z"); + if debug_flags.iter().any(|x| *x == "help") { + describe_debug_flags(); + return true; + } + + let cg_flags = matches.opt_strs("C"); + if cg_flags.iter().any(|x| *x == "help") { + describe_codegen_flags(); + return true; + } + + if cg_flags.iter().any(|x| *x == "no-stack-check") { + early_warn( + ErrorOutputType::default(), + "the --no-stack-check flag is deprecated and does nothing", + ); + } + + if cg_flags.iter().any(|x| *x == "passes=list") { + let backend_name = debug_flags.iter().find_map(|x| x.strip_prefix("codegen-backend=")); + get_codegen_backend(&None, backend_name).print_passes(); + return true; + } + + false +} + fn describe_debug_flags() { println!("\nAvailable options:\n"); print_flag_list("-Z", config::Z_OPTIONS); @@ -966,7 +1005,7 @@ fn describe_codegen_flags() { print_flag_list("-C", config::CG_OPTIONS); } -pub fn print_flag_list<T>( +fn print_flag_list<T>( cmdline_opt: &str, flag_list: &[(&'static str, T, &'static str, &'static str)], ) { @@ -1059,37 +1098,7 @@ pub fn handle_options(args: &[String]) -> Option<getopts::Matches> { return None; } - // Handle the special case of -Wall. - let wall = matches.opt_strs("W"); - if wall.iter().any(|x| *x == "all") { - print_wall_help(); - rustc_errors::FatalError.raise(); - } - - // Don't handle -W help here, because we might first load plugins. - let debug_flags = matches.opt_strs("Z"); - if debug_flags.iter().any(|x| *x == "help") { - describe_debug_flags(); - return None; - } - - let cg_flags = matches.opt_strs("C"); - - if cg_flags.iter().any(|x| *x == "help") { - describe_codegen_flags(); - return None; - } - - if cg_flags.iter().any(|x| *x == "no-stack-check") { - early_warn( - ErrorOutputType::default(), - "the --no-stack-check flag is deprecated and does nothing", - ); - } - - if cg_flags.iter().any(|x| *x == "passes=list") { - let backend_name = debug_flags.iter().find_map(|x| x.strip_prefix("codegen-backend=")); - get_codegen_backend(&None, backend_name).print_passes(); + if describe_flag_categories(&matches) { return None; } diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs index 81e8bcbf7cd..fe44799efdb 100644 --- a/compiler/rustc_errors/src/emitter.rs +++ b/compiler/rustc_errors/src/emitter.rs @@ -1832,6 +1832,12 @@ impl EmitterWriter { } let show_code_change = if has_deletion && !is_multiline { DisplaySuggestion::Diff + } else if let [part] = &parts[..] + && part.snippet.ends_with('\n') + && part.snippet.trim() == complete.trim() + { + // We are adding a line(s) of code before code that was already there. + DisplaySuggestion::Add } else if (parts.len() != 1 || parts[0].snippet.trim() != complete.trim()) && !is_multiline { @@ -1879,7 +1885,10 @@ impl EmitterWriter { row_num += line_end - line_start; } let mut unhighlighted_lines = Vec::new(); + let mut last_pos = 0; + let mut is_item_attribute = false; for (line_pos, (line, highlight_parts)) in lines.by_ref().zip(highlights).enumerate() { + last_pos = line_pos; debug!(%line_pos, %line, ?highlight_parts); // Remember lines that are not highlighted to hide them if needed @@ -1887,6 +1896,12 @@ impl EmitterWriter { unhighlighted_lines.push((line_pos, line)); continue; } + if highlight_parts.len() == 1 + && line.trim().starts_with("#[") + && line.trim().ends_with(']') + { + is_item_attribute = true; + } match unhighlighted_lines.len() { 0 => (), @@ -1963,13 +1978,41 @@ impl EmitterWriter { is_multiline, ) } + if let DisplaySuggestion::Add = show_code_change && is_item_attribute { + // The suggestion adds an entire line of code, ending on a newline, so we'll also + // print the *following* line, to provide context of what we're advicing people to + // do. Otherwise you would only see contextless code that can be confused for + // already existing code, despite the colors and UI elements. + // We special case `#[derive(_)]\n` and other attribute suggestions, because those + // are the ones where context is most useful. + let file_lines = sm + .span_to_lines(span.primary_span().unwrap().shrink_to_hi()) + .expect("span_to_lines failed when emitting suggestion"); + let line_num = sm.lookup_char_pos(parts[0].span.lo()).line; + if let Some(line) = file_lines.file.get_line(line_num - 1) { + let line = normalize_whitespace(&line); + self.draw_code_line( + &mut buffer, + &mut row_num, + &[], + line_num + last_pos + 1, + &line, + DisplaySuggestion::None, + max_line_num_len, + &file_lines, + is_multiline, + ) + } + } // This offset and the ones below need to be signed to account for replacement code // that is shorter than the original code. let mut offsets: Vec<(usize, isize)> = Vec::new(); // Only show an underline in the suggestions if the suggestion is not the // entirety of the code being shown and the displayed code is not multiline. - if let DisplaySuggestion::Diff | DisplaySuggestion::Underline = show_code_change { + if let DisplaySuggestion::Diff | DisplaySuggestion::Underline | DisplaySuggestion::Add = + show_code_change + { draw_col_separator_no_space(&mut buffer, row_num, max_line_num_len + 1); for part in parts { let span_start_pos = sm.lookup_char_pos(part.span.lo()).col_display; @@ -2247,6 +2290,10 @@ impl EmitterWriter { } } buffer.append(*row_num, &normalize_whitespace(line_to_add), Style::NoStyle); + } else if let DisplaySuggestion::Add = show_code_change { + buffer.puts(*row_num, 0, &self.maybe_anonymized(line_num), Style::LineNumber); + buffer.puts(*row_num, max_line_num_len + 1, "+ ", Style::Addition); + buffer.append(*row_num, &normalize_whitespace(line_to_add), Style::NoStyle); } else { buffer.puts(*row_num, 0, &self.maybe_anonymized(line_num), Style::LineNumber); draw_col_separator(buffer, *row_num, max_line_num_len + 1); @@ -2281,6 +2328,7 @@ enum DisplaySuggestion { Underline, Diff, None, + Add, } impl FileWithAnnotatedLines { diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs index 5b0d8096207..d20b168904d 100644 --- a/compiler/rustc_errors/src/lib.rs +++ b/compiler/rustc_errors/src/lib.rs @@ -6,7 +6,6 @@ #![feature(array_windows)] #![feature(drain_filter)] #![feature(if_let_guard)] -#![feature(is_terminal)] #![feature(adt_const_params)] #![feature(let_chains)] #![feature(never_type)] @@ -475,8 +474,6 @@ pub enum StashKey { /// When an invalid lifetime e.g. `'2` should be reinterpreted /// as a char literal in the parser LifetimeIsChar, - /// When an invalid lifetime e.g. `'🐱` contains emoji. - LifetimeContainsEmoji, /// Maybe there was a typo where a comma was forgotten before /// FRU syntax MaybeFruTypo, diff --git a/compiler/rustc_expand/messages.ftl b/compiler/rustc_expand/messages.ftl index cfae781bdee..5d999d0db5d 100644 --- a/compiler/rustc_expand/messages.ftl +++ b/compiler/rustc_expand/messages.ftl @@ -135,4 +135,4 @@ expand_proc_macro_panicked = .help = message: {$message} expand_proc_macro_derive_tokens = - proc-macro derive produced unparseable tokens + proc-macro derive produced unparsable tokens diff --git a/compiler/rustc_expand/src/mbe/diagnostics.rs b/compiler/rustc_expand/src/mbe/diagnostics.rs index 6bc393c6534..35572292271 100644 --- a/compiler/rustc_expand/src/mbe/diagnostics.rs +++ b/compiler/rustc_expand/src/mbe/diagnostics.rs @@ -66,7 +66,12 @@ pub(super) fn failed_to_match_macro<'cx>( && (matches!(expected_token.kind, TokenKind::Interpolated(_)) || matches!(token.kind, TokenKind::Interpolated(_))) { - err.note("captured metavariables except for `$tt`, `$ident` and `$lifetime` cannot be compared to other tokens"); + err.note("captured metavariables except for `:tt`, `:ident` and `:lifetime` cannot be compared to other tokens"); + err.note("see <https://doc.rust-lang.org/nightly/reference/macros-by-example.html#forwarding-a-matched-fragment> for more information"); + + if !def_span.is_dummy() && !cx.source_map().is_imported(def_span) { + err.help("try using `:tt` instead in the macro definition"); + } } // Check whether there's a missing comma in this macro call, like `println!("{}" a);` diff --git a/compiler/rustc_feature/src/active.rs b/compiler/rustc_feature/src/active.rs index 426c6727adc..48f5bd1cb50 100644 --- a/compiler/rustc_feature/src/active.rs +++ b/compiler/rustc_feature/src/active.rs @@ -309,7 +309,7 @@ declare_features! ( (active, associated_type_defaults, "1.2.0", Some(29661), None), /// Allows `async || body` closures. (active, async_closure, "1.37.0", Some(62290), None), - /// Alows async functions to be declared, implemented, and used in traits. + /// Allows async functions to be declared, implemented, and used in traits. (incomplete, async_fn_in_trait, "1.66.0", Some(91611), None), /// Allows `extern "C-unwind" fn` to enable unwinding across ABI boundaries. (active, c_unwind, "1.52.0", Some(74990), None), @@ -416,6 +416,8 @@ declare_features! ( (active, half_open_range_patterns_in_slices, "1.66.0", Some(67264), None), /// Allows `if let` guard in match arms. (active, if_let_guard, "1.47.0", Some(51114), None), + /// Allows `impl Trait` to be used inside associated types (RFC 2515). + (active, impl_trait_in_assoc_type, "CURRENT_RUSTC_VERSION", Some(63063), None), /// Allows `impl Trait` as output type in `Fn` traits in return position of functions. (active, impl_trait_in_fn_trait_return, "1.64.0", Some(99697), None), /// Allows referencing `Self` and projections in impl-trait. diff --git a/compiler/rustc_hir/src/arena.rs b/compiler/rustc_hir/src/arena.rs index c89e7eb75f8..3e5b3c498ee 100644 --- a/compiler/rustc_hir/src/arena.rs +++ b/compiler/rustc_hir/src/arena.rs @@ -51,6 +51,7 @@ macro_rules! arena_types { [] type_binding: rustc_hir::TypeBinding<'tcx>, [] variant: rustc_hir::Variant<'tcx>, [] where_predicate: rustc_hir::WherePredicate<'tcx>, + [] lit: rustc_hir::Lit, ]); ) } diff --git a/compiler/rustc_hir/src/def.rs b/compiler/rustc_hir/src/def.rs index 8c58129c800..30bf8c2ad10 100644 --- a/compiler/rustc_hir/src/def.rs +++ b/compiler/rustc_hir/src/def.rs @@ -234,10 +234,7 @@ impl DefKind { #[inline] pub fn is_fn_like(self) -> bool { - match self { - DefKind::Fn | DefKind::AssocFn | DefKind::Closure | DefKind::Generator => true, - _ => false, - } + matches!(self, DefKind::Fn | DefKind::AssocFn | DefKind::Closure | DefKind::Generator) } /// Whether `query get_codegen_attrs` should be used with this definition. diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs index 35a72f868fb..b274e628079 100644 --- a/compiler/rustc_hir/src/hir.rs +++ b/compiler/rustc_hir/src/hir.rs @@ -1957,7 +1957,7 @@ pub enum ExprKind<'hir> { /// A unary operation (e.g., `!x`, `*x`). Unary(UnOp, &'hir Expr<'hir>), /// A literal (e.g., `1`, `"foo"`). - Lit(Lit), + Lit(&'hir Lit), /// A cast (e.g., `foo as f64`). Cast(&'hir Expr<'hir>, &'hir Ty<'hir>), /// A type reference (e.g., `Foo`). diff --git a/compiler/rustc_hir_analysis/Cargo.toml b/compiler/rustc_hir_analysis/Cargo.toml index fab16b80fb5..a64466884d8 100644 --- a/compiler/rustc_hir_analysis/Cargo.toml +++ b/compiler/rustc_hir_analysis/Cargo.toml @@ -23,7 +23,7 @@ rustc_span = { path = "../rustc_span" } rustc_index = { path = "../rustc_index" } rustc_infer = { path = "../rustc_infer" } rustc_trait_selection = { path = "../rustc_trait_selection" } -rustc_lint = { path = "../rustc_lint" } +rustc_lint_defs = { path = "../rustc_lint_defs" } rustc_type_ir = { path = "../rustc_type_ir" } rustc_feature = { path = "../rustc_feature" } thin-vec = "0.2.12" diff --git a/compiler/rustc_hir_analysis/src/astconv/mod.rs b/compiler/rustc_hir_analysis/src/astconv/mod.rs index 37c894348cd..8d1156c1771 100644 --- a/compiler/rustc_hir_analysis/src/astconv/mod.rs +++ b/compiler/rustc_hir_analysis/src/astconv/mod.rs @@ -1663,39 +1663,45 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { }) }); - let existential_projections = projection_bounds.iter().map(|(bound, _)| { - bound.map_bound(|mut b| { - assert_eq!(b.projection_ty.self_ty(), dummy_self); - - // Like for trait refs, verify that `dummy_self` did not leak inside default type - // parameters. - let references_self = b.projection_ty.substs.iter().skip(1).any(|arg| { - if arg.walk().any(|arg| arg == dummy_self.into()) { - return true; + let existential_projections = projection_bounds + .iter() + // We filter out traits that don't have `Self` as their self type above, + // we need to do the same for projections. + .filter(|(bound, _)| bound.skip_binder().self_ty() == dummy_self) + .map(|(bound, _)| { + bound.map_bound(|mut b| { + assert_eq!(b.projection_ty.self_ty(), dummy_self); + + // Like for trait refs, verify that `dummy_self` did not leak inside default type + // parameters. + let references_self = b.projection_ty.substs.iter().skip(1).any(|arg| { + if arg.walk().any(|arg| arg == dummy_self.into()) { + return true; + } + false + }); + if references_self { + let guar = tcx.sess.delay_span_bug( + span, + "trait object projection bounds reference `Self`", + ); + let substs: Vec<_> = b + .projection_ty + .substs + .iter() + .map(|arg| { + if arg.walk().any(|arg| arg == dummy_self.into()) { + return tcx.ty_error(guar).into(); + } + arg + }) + .collect(); + b.projection_ty.substs = tcx.mk_substs(&substs); } - false - }); - if references_self { - let guar = tcx - .sess - .delay_span_bug(span, "trait object projection bounds reference `Self`"); - let substs: Vec<_> = b - .projection_ty - .substs - .iter() - .map(|arg| { - if arg.walk().any(|arg| arg == dummy_self.into()) { - return tcx.ty_error(guar).into(); - } - arg - }) - .collect(); - b.projection_ty.substs = tcx.mk_substs(&substs); - } - ty::ExistentialProjection::erase_self_ty(tcx, b) - }) - }); + ty::ExistentialProjection::erase_self_ty(tcx, b) + }) + }); let regular_trait_predicates = existential_trait_refs .map(|trait_ref| trait_ref.map_bound(ty::ExistentialPredicate::Trait)); @@ -2514,24 +2520,16 @@ impl<'o, 'tcx> dyn AstConv<'tcx> + 'o { tcx, infcx.fresh_substs_for_item(DUMMY_SP, impl_def_id), ); - // I guess we don't need to make a universe unless we need it, - // but also we're on the error path, so it doesn't matter here. - let universe = infcx.create_next_universe(); + let value = tcx.fold_regions(qself_ty, |_, _| tcx.lifetimes.re_erased); + // FIXME: Don't bother dealing with non-lifetime binders here... + if value.has_escaping_bound_vars() { + return false; + } infcx .can_eq( ty::ParamEnv::empty(), impl_.self_ty(), - tcx.replace_escaping_bound_vars_uncached(qself_ty, ty::fold::FnMutDelegate { - regions: &mut |_| tcx.lifetimes.re_erased, - types: &mut |bv| tcx.mk_placeholder(ty::PlaceholderType { - universe, - bound: bv, - }), - consts: &mut |bv, ty| tcx.mk_const(ty::PlaceholderConst { - universe, - bound: bv, - }, ty), - }) + value, ) }) && tcx.impl_polarity(impl_def_id) != ty::ImplPolarity::Negative diff --git a/compiler/rustc_hir_analysis/src/bounds.rs b/compiler/rustc_hir_analysis/src/bounds.rs index 0880c8c15f2..284b099e7bc 100644 --- a/compiler/rustc_hir_analysis/src/bounds.rs +++ b/compiler/rustc_hir_analysis/src/bounds.rs @@ -58,7 +58,7 @@ impl<'tcx> Bounds<'tcx> { pub fn push_sized(&mut self, tcx: TyCtxt<'tcx>, ty: Ty<'tcx>, span: Span) { let sized_def_id = tcx.require_lang_item(LangItem::Sized, Some(span)); let trait_ref = ty::Binder::dummy(tcx.mk_trait_ref(sized_def_id, [ty])); - // Preferrable to put this obligation first, since we report better errors for sized ambiguity. + // Preferable to put this obligation first, since we report better errors for sized ambiguity. self.predicates.insert(0, (trait_ref.without_const().to_predicate(tcx), span)); } diff --git a/compiler/rustc_hir_analysis/src/check/check.rs b/compiler/rustc_hir_analysis/src/check/check.rs index 8617bca0825..0c54fd70c9b 100644 --- a/compiler/rustc_hir_analysis/src/check/check.rs +++ b/compiler/rustc_hir_analysis/src/check/check.rs @@ -15,7 +15,7 @@ use rustc_infer::infer::opaque_types::ConstrainOpaqueTypeRegionVisitor; use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::{DefiningAnchor, RegionVariableOrigin, TyCtxtInferExt}; use rustc_infer::traits::{Obligation, TraitEngineExt as _}; -use rustc_lint::builtin::REPR_TRANSPARENT_EXTERNAL_PRIVATE_FIELDS; +use rustc_lint_defs::builtin::REPR_TRANSPARENT_EXTERNAL_PRIVATE_FIELDS; use rustc_middle::hir::nested_filter; use rustc_middle::middle::stability::EvalResult; use rustc_middle::ty::layout::{LayoutError, MAX_SIMD_LANES}; @@ -452,11 +452,8 @@ fn check_opaque_meets_bounds<'tcx>( hir::OpaqueTyOrigin::FnReturn(..) | hir::OpaqueTyOrigin::AsyncFn(..) => {} // Can have different predicates to their defining use hir::OpaqueTyOrigin::TyAlias => { - let outlives_environment = OutlivesEnvironment::new(param_env); - let _ = infcx.err_ctxt().check_region_obligations_and_report_errors( - defining_use_anchor, - &outlives_environment, - ); + let outlives_env = OutlivesEnvironment::new(param_env); + let _ = ocx.resolve_regions_and_report_errors(defining_use_anchor, &outlives_env); } } // Clean up after ourselves diff --git a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs index f6c2004c4a6..863a9977446 100644 --- a/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs +++ b/compiler/rustc_hir_analysis/src/check/compare_impl_item.rs @@ -332,10 +332,6 @@ fn compare_method_predicate_entailment<'tcx>( param_env, infcx.implied_bounds_tys(param_env, impl_m_def_id, wf_tys.clone()), ); - infcx.process_registered_region_obligations( - outlives_env.region_bound_pairs(), - outlives_env.param_env, - ); let errors = infcx.resolve_regions(&outlives_env); if !errors.is_empty() { // FIXME(compiler-errors): This can be simplified when IMPLIED_BOUNDS_ENTAILMENT @@ -722,18 +718,18 @@ pub(super) fn collect_return_position_impl_trait_in_trait_tys<'tcx>( return Err(reported); } + let collected_types = collector.types; + // Finally, resolve all regions. This catches wily misuses of // lifetime parameters. - let outlives_environment = OutlivesEnvironment::with_bounds( + let outlives_env = OutlivesEnvironment::with_bounds( param_env, infcx.implied_bounds_tys(param_env, impl_m_def_id, wf_tys), ); - infcx - .err_ctxt() - .check_region_obligations_and_report_errors(impl_m_def_id, &outlives_environment)?; + ocx.resolve_regions_and_report_errors(impl_m_def_id, &outlives_env)?; let mut collected_tys = FxHashMap::default(); - for (def_id, (ty, substs)) in collector.types { + for (def_id, (ty, substs)) in collected_types { match infcx.fully_resolve(ty) { Ok(ty) => { // `ty` contains free regions that we created earlier while liberating the @@ -1321,7 +1317,7 @@ fn compare_number_of_generics<'tcx>( impl_count, kind, pluralize!(impl_count), - suffix.unwrap_or_else(String::new), + suffix.unwrap_or_default(), ), ); } @@ -1742,11 +1738,8 @@ pub(super) fn compare_impl_const_raw( return Err(infcx.err_ctxt().report_fulfillment_errors(&errors)); } - let outlives_environment = OutlivesEnvironment::new(param_env); - infcx - .err_ctxt() - .check_region_obligations_and_report_errors(impl_const_item_def, &outlives_environment)?; - Ok(()) + let outlives_env = OutlivesEnvironment::new(param_env); + ocx.resolve_regions_and_report_errors(impl_const_item_def, &outlives_env) } pub(super) fn compare_impl_ty<'tcx>( @@ -1845,13 +1838,8 @@ fn compare_type_predicate_entailment<'tcx>( // Finally, resolve all regions. This catches wily misuses of // lifetime parameters. - let outlives_environment = OutlivesEnvironment::new(param_env); - infcx.err_ctxt().check_region_obligations_and_report_errors( - impl_ty.def_id.expect_local(), - &outlives_environment, - )?; - - Ok(()) + let outlives_env = OutlivesEnvironment::new(param_env); + ocx.resolve_regions_and_report_errors(impl_ty_def_id, &outlives_env) } /// Validate that `ProjectionCandidate`s created for this associated type will @@ -2063,14 +2051,8 @@ pub(super) fn check_type_bounds<'tcx>( // Finally, resolve all regions. This catches wily misuses of // lifetime parameters. let implied_bounds = infcx.implied_bounds_tys(param_env, impl_ty_def_id, assumed_wf_types); - let outlives_environment = OutlivesEnvironment::with_bounds(param_env, implied_bounds); - - infcx.err_ctxt().check_region_obligations_and_report_errors( - impl_ty.def_id.expect_local(), - &outlives_environment, - )?; - - Ok(()) + let outlives_env = OutlivesEnvironment::with_bounds(param_env, implied_bounds); + ocx.resolve_regions_and_report_errors(impl_ty_def_id, &outlives_env) } fn assoc_item_kind_str(impl_item: &ty::AssocItem) -> &'static str { diff --git a/compiler/rustc_hir_analysis/src/check/wfcheck.rs b/compiler/rustc_hir_analysis/src/check/wfcheck.rs index c03621fcfb2..53197bc8491 100644 --- a/compiler/rustc_hir_analysis/src/check/wfcheck.rs +++ b/compiler/rustc_hir_analysis/src/check/wfcheck.rs @@ -114,11 +114,9 @@ pub(super) fn enter_wf_checking_ctxt<'tcx, F>( return; } - let outlives_environment = OutlivesEnvironment::with_bounds(param_env, implied_bounds); + let outlives_env = OutlivesEnvironment::with_bounds(param_env, implied_bounds); - let _ = infcx - .err_ctxt() - .check_region_obligations_and_report_errors(body_def_id, &outlives_environment); + let _ = wfcx.ocx.resolve_regions_and_report_errors(body_def_id, &outlives_env); } fn check_well_formed(tcx: TyCtxt<'_>, def_id: hir::OwnerId) { @@ -680,12 +678,7 @@ fn resolve_regions_with_wf_tys<'tcx>( add_constraints(&infcx, region_bound_pairs); - infcx.process_registered_region_obligations( - outlives_environment.region_bound_pairs(), - param_env, - ); let errors = infcx.resolve_regions(&outlives_environment); - debug!(?errors, "errors"); // If we were able to prove that the type outlives the region without diff --git a/compiler/rustc_hir_analysis/src/coherence/builtin.rs b/compiler/rustc_hir_analysis/src/coherence/builtin.rs index ac7c68d9c4b..0f40cca9427 100644 --- a/compiler/rustc_hir_analysis/src/coherence/builtin.rs +++ b/compiler/rustc_hir_analysis/src/coherence/builtin.rs @@ -354,9 +354,7 @@ fn visit_implementation_of_dispatch_from_dyn(tcx: TyCtxt<'_>, impl_did: LocalDef // Finally, resolve all regions. let outlives_env = OutlivesEnvironment::new(param_env); - let _ = infcx - .err_ctxt() - .check_region_obligations_and_report_errors(impl_did, &outlives_env); + let _ = ocx.resolve_regions_and_report_errors(impl_did, &outlives_env); } } _ => { @@ -592,7 +590,7 @@ pub fn coerce_unsized_info<'tcx>(tcx: TyCtxt<'tcx>, impl_did: LocalDefId) -> Coe // Finally, resolve all regions. let outlives_env = OutlivesEnvironment::new(param_env); - let _ = infcx.err_ctxt().check_region_obligations_and_report_errors(impl_did, &outlives_env); + let _ = ocx.resolve_regions_and_report_errors(impl_did, &outlives_env); CoerceUnsizedInfo { custom_kind: kind } } diff --git a/compiler/rustc_hir_analysis/src/collect.rs b/compiler/rustc_hir_analysis/src/collect.rs index 50862e34262..7c07a1ebaec 100644 --- a/compiler/rustc_hir_analysis/src/collect.rs +++ b/compiler/rustc_hir_analysis/src/collect.rs @@ -64,6 +64,7 @@ pub fn provide(providers: &mut Providers) { predicates_defined_on, explicit_predicates_of: predicates_of::explicit_predicates_of, super_predicates_of: predicates_of::super_predicates_of, + implied_predicates_of: predicates_of::implied_predicates_of, super_predicates_that_define_assoc_type: predicates_of::super_predicates_that_define_assoc_type, trait_explicit_predicates_and_bounds: predicates_of::trait_explicit_predicates_and_bounds, @@ -596,6 +597,7 @@ fn convert_item(tcx: TyCtxt<'_>, item_id: hir::ItemId) { } hir::ItemKind::TraitAlias(..) => { tcx.ensure().generics_of(def_id); + tcx.at(it.span).implied_predicates_of(def_id); tcx.at(it.span).super_predicates_of(def_id); tcx.ensure().predicates_of(def_id); } @@ -1455,10 +1457,7 @@ fn compute_sig_of_foreign_fn_decl<'tcx>( } fn is_foreign_item(tcx: TyCtxt<'_>, def_id: LocalDefId) -> bool { - match tcx.hir().get_by_def_id(def_id) { - Node::ForeignItem(..) => true, - _ => false, - } + matches!(tcx.hir().get_by_def_id(def_id), Node::ForeignItem(..)) } fn generator_kind(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Option<hir::GeneratorKind> { diff --git a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs index fdab87b6ace..8c414521b76 100644 --- a/compiler/rustc_hir_analysis/src/collect/predicates_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/predicates_of.rs @@ -125,7 +125,7 @@ fn gather_explicit_predicates_of(tcx: TyCtxt<'_>, def_id: LocalDefId) -> ty::Gen // on a trait we need to add in the supertrait bounds and bounds found on // associated types. if let Some(_trait_ref) = is_trait { - predicates.extend(tcx.super_predicates_of(def_id).predicates.iter().cloned()); + predicates.extend(tcx.implied_predicates_of(def_id).predicates.iter().cloned()); } // In default impls, we can assume that the self type implements @@ -534,6 +534,19 @@ pub(super) fn explicit_predicates_of<'tcx>( } } +#[derive(Copy, Clone, Debug)] +pub enum PredicateFilter { + /// All predicates may be implied by the trait + All, + + /// Only traits that reference `Self: ..` are implied by the trait + SelfOnly, + + /// Only traits that reference `Self: ..` and define an associated type + /// with the given ident are implied by the trait + SelfThatDefines(Ident), +} + /// Ensures that the super-predicates of the trait with a `DefId` /// of `trait_def_id` are converted and stored. This also ensures that /// the transitive super-predicates are converted. @@ -541,24 +554,42 @@ pub(super) fn super_predicates_of( tcx: TyCtxt<'_>, trait_def_id: LocalDefId, ) -> ty::GenericPredicates<'_> { - tcx.super_predicates_that_define_assoc_type((trait_def_id.to_def_id(), None)) + implied_predicates_with_filter(tcx, trait_def_id.to_def_id(), PredicateFilter::SelfOnly) +} + +pub(super) fn super_predicates_that_define_assoc_type( + tcx: TyCtxt<'_>, + (trait_def_id, assoc_name): (DefId, Ident), +) -> ty::GenericPredicates<'_> { + implied_predicates_with_filter(tcx, trait_def_id, PredicateFilter::SelfThatDefines(assoc_name)) +} + +pub(super) fn implied_predicates_of( + tcx: TyCtxt<'_>, + trait_def_id: LocalDefId, +) -> ty::GenericPredicates<'_> { + if tcx.is_trait_alias(trait_def_id.to_def_id()) { + implied_predicates_with_filter(tcx, trait_def_id.to_def_id(), PredicateFilter::All) + } else { + tcx.super_predicates_of(trait_def_id) + } } /// Ensures that the super-predicates of the trait with a `DefId` /// of `trait_def_id` are converted and stored. This also ensures that /// the transitive super-predicates are converted. -pub(super) fn super_predicates_that_define_assoc_type( +pub(super) fn implied_predicates_with_filter( tcx: TyCtxt<'_>, - (trait_def_id, assoc_name): (DefId, Option<Ident>), + trait_def_id: DefId, + filter: PredicateFilter, ) -> ty::GenericPredicates<'_> { let Some(trait_def_id) = trait_def_id.as_local() else { // if `assoc_name` is None, then the query should've been redirected to an // external provider - assert!(assoc_name.is_some()); + assert!(matches!(filter, PredicateFilter::SelfThatDefines(_))); return tcx.super_predicates_of(trait_def_id); }; - debug!("local trait"); let trait_hir_id = tcx.hir().local_def_id_to_hir_id(trait_def_id); let Node::Item(item) = tcx.hir().get(trait_hir_id) else { @@ -573,40 +604,57 @@ pub(super) fn super_predicates_that_define_assoc_type( let icx = ItemCtxt::new(tcx, trait_def_id); - // Convert the bounds that follow the colon, e.g., `Bar + Zed` in `trait Foo: Bar + Zed`. let self_param_ty = tcx.types.self_param; - let superbounds1 = if let Some(assoc_name) = assoc_name { - icx.astconv().compute_bounds_that_match_assoc_type(self_param_ty, bounds, assoc_name) - } else { - icx.astconv().compute_bounds(self_param_ty, bounds) + let (superbounds, where_bounds_that_match) = match filter { + PredicateFilter::All => ( + // Convert the bounds that follow the colon (or equal in trait aliases) + icx.astconv().compute_bounds(self_param_ty, bounds), + // Also include all where clause bounds + icx.type_parameter_bounds_in_generics( + generics, + item.owner_id.def_id, + self_param_ty, + OnlySelfBounds(false), + None, + ), + ), + PredicateFilter::SelfOnly => ( + // Convert the bounds that follow the colon (or equal in trait aliases) + icx.astconv().compute_bounds(self_param_ty, bounds), + // Include where clause bounds for `Self` + icx.type_parameter_bounds_in_generics( + generics, + item.owner_id.def_id, + self_param_ty, + OnlySelfBounds(true), + None, + ), + ), + PredicateFilter::SelfThatDefines(assoc_name) => ( + // Convert the bounds that follow the colon (or equal) that reference the associated name + icx.astconv().compute_bounds_that_match_assoc_type(self_param_ty, bounds, assoc_name), + // Include where clause bounds for `Self` that reference the associated name + icx.type_parameter_bounds_in_generics( + generics, + item.owner_id.def_id, + self_param_ty, + OnlySelfBounds(true), + Some(assoc_name), + ), + ), }; - let superbounds1 = superbounds1.predicates(); - - // Convert any explicit superbounds in the where-clause, - // e.g., `trait Foo where Self: Bar`. - // In the case of trait aliases, however, we include all bounds in the where-clause, - // so e.g., `trait Foo = where u32: PartialEq<Self>` would include `u32: PartialEq<Self>` - // as one of its "superpredicates". - let is_trait_alias = tcx.is_trait_alias(trait_def_id.to_def_id()); - let superbounds2 = icx.type_parameter_bounds_in_generics( - generics, - item.owner_id.def_id, - self_param_ty, - OnlySelfBounds(!is_trait_alias), - assoc_name, - ); - // Combine the two lists to form the complete set of superbounds: - let superbounds = &*tcx.arena.alloc_from_iter(superbounds1.into_iter().chain(superbounds2)); - debug!(?superbounds); + let implied_bounds = + &*tcx.arena.alloc_from_iter(superbounds.predicates().chain(where_bounds_that_match)); + debug!(?implied_bounds); // Now require that immediate supertraits are converted, // which will, in turn, reach indirect supertraits. - if assoc_name.is_none() { + if matches!(filter, PredicateFilter::SelfOnly) { // Now require that immediate supertraits are converted, // which will, in turn, reach indirect supertraits. - for &(pred, span) in superbounds { + for &(pred, span) in implied_bounds { debug!("superbound: {:?}", pred); if let ty::PredicateKind::Clause(ty::Clause::Trait(bound)) = pred.kind().skip_binder() { tcx.at(span).super_predicates_of(bound.def_id()); @@ -614,7 +662,7 @@ pub(super) fn super_predicates_that_define_assoc_type( } } - ty::GenericPredicates { parent: None, predicates: superbounds } + ty::GenericPredicates { parent: None, predicates: implied_bounds } } /// Returns the predicates defined on `item_def_id` of the form diff --git a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs index 5e4f377a1e7..e758fe95d9c 100644 --- a/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs +++ b/compiler/rustc_hir_analysis/src/collect/resolve_bound_vars.rs @@ -1749,8 +1749,7 @@ impl<'a, 'tcx> BoundVarContext<'a, 'tcx> { if trait_defines_associated_type_named(def_id) { break Some(bound_vars.into_iter().collect()); } - let predicates = - tcx.super_predicates_that_define_assoc_type((def_id, Some(assoc_name))); + let predicates = tcx.super_predicates_that_define_assoc_type((def_id, assoc_name)); let obligations = predicates.predicates.iter().filter_map(|&(pred, _)| { let bound_predicate = pred.kind(); match bound_predicate.skip_binder() { diff --git a/compiler/rustc_hir_analysis/src/collect/type_of.rs b/compiler/rustc_hir_analysis/src/collect/type_of.rs index 225b1550580..c173bd913a8 100644 --- a/compiler/rustc_hir_analysis/src/collect/type_of.rs +++ b/compiler/rustc_hir_analysis/src/collect/type_of.rs @@ -8,10 +8,7 @@ use rustc_middle::hir::nested_filter; use rustc_middle::ty::print::with_forced_trimmed_paths; use rustc_middle::ty::subst::InternalSubsts; use rustc_middle::ty::util::IntTypeExt; -use rustc_middle::ty::{ - self, ImplTraitInTraitData, IsSuggestable, Ty, TyCtxt, TypeFolder, TypeSuperFoldable, - TypeVisitableExt, -}; +use rustc_middle::ty::{self, ImplTraitInTraitData, IsSuggestable, Ty, TyCtxt, TypeVisitableExt}; use rustc_span::symbol::Ident; use rustc_span::{Span, DUMMY_SP}; @@ -874,28 +871,6 @@ fn infer_placeholder_type<'a>( item_ident: Ident, kind: &'static str, ) -> Ty<'a> { - // Attempts to make the type nameable by turning FnDefs into FnPtrs. - struct MakeNameable<'tcx> { - tcx: TyCtxt<'tcx>, - } - - impl<'tcx> TypeFolder<TyCtxt<'tcx>> for MakeNameable<'tcx> { - fn interner(&self) -> TyCtxt<'tcx> { - self.tcx - } - - fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> { - let ty = match *ty.kind() { - ty::FnDef(def_id, substs) => { - self.tcx.mk_fn_ptr(self.tcx.fn_sig(def_id).subst(self.tcx, substs)) - } - _ => ty, - }; - - ty.super_fold_with(self) - } - } - let ty = tcx.diagnostic_only_typeck(def_id).node_type(body_id.hir_id); // If this came from a free `const` or `static mut?` item, diff --git a/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs b/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs index 35785e81ff4..eb2fc395223 100644 --- a/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs +++ b/compiler/rustc_hir_analysis/src/impl_wf_check/min_specialization.rs @@ -180,8 +180,7 @@ fn get_impl_substs( let implied_bounds = infcx.implied_bounds_tys(param_env, impl1_def_id, assumed_wf_types); let outlives_env = OutlivesEnvironment::with_bounds(param_env, implied_bounds); - let _ = - infcx.err_ctxt().check_region_obligations_and_report_errors(impl1_def_id, &outlives_env); + let _ = ocx.resolve_regions_and_report_errors(impl1_def_id, &outlives_env); let Ok(impl2_substs) = infcx.fully_resolve(impl2_substs) else { let span = tcx.def_span(impl1_def_id); tcx.sess.emit_err(SubstsOnOverriddenImpl { span }); diff --git a/compiler/rustc_hir_analysis/src/variance/mod.rs b/compiler/rustc_hir_analysis/src/variance/mod.rs index 0a45119ff05..4d240e90b14 100644 --- a/compiler/rustc_hir_analysis/src/variance/mod.rs +++ b/compiler/rustc_hir_analysis/src/variance/mod.rs @@ -105,7 +105,7 @@ fn variance_of_opaque(tcx: TyCtxt<'_>, item_def_id: LocalDefId) -> &[ty::Varianc if let ty::RegionKind::ReEarlyBound(ebr) = r.kind() { self.variances[ebr.index as usize] = ty::Invariant; } - r.super_visit_with(self) + ControlFlow::Continue(()) } #[instrument(level = "trace", skip(self), ret)] diff --git a/compiler/rustc_hir_typeck/src/closure.rs b/compiler/rustc_hir_typeck/src/closure.rs index 15eec42d786..8c2495e1dd8 100644 --- a/compiler/rustc_hir_typeck/src/closure.rs +++ b/compiler/rustc_hir_typeck/src/closure.rs @@ -210,7 +210,10 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // and we want to keep inference generally in the same order of // the registered obligations. predicates.rev(), - ) { + ) + // We only care about self bounds + .filter_only_self() + { debug!(?pred); let bound_predicate = pred.kind(); diff --git a/compiler/rustc_hir_typeck/src/demand.rs b/compiler/rustc_hir_typeck/src/demand.rs index 30d307948a6..525acfdaa81 100644 --- a/compiler/rustc_hir_typeck/src/demand.rs +++ b/compiler/rustc_hir_typeck/src/demand.rs @@ -1,6 +1,5 @@ use crate::FnCtxt; use rustc_ast::util::parser::PREC_POSTFIX; -use rustc_data_structures::fx::FxHashMap; use rustc_errors::MultiSpan; use rustc_errors::{Applicability, Diagnostic, DiagnosticBuilder, ErrorGuaranteed}; use rustc_hir as hir; @@ -13,15 +12,12 @@ use rustc_middle::lint::in_external_macro; use rustc_middle::middle::stability::EvalResult; use rustc_middle::ty::adjustment::AllowTwoPhase; use rustc_middle::ty::error::{ExpectedFound, TypeError}; -use rustc_middle::ty::fold::{BottomUpFolder, TypeFolder}; -use rustc_middle::ty::print::{with_forced_trimmed_paths, with_no_trimmed_paths}; -use rustc_middle::ty::relate::TypeRelation; -use rustc_middle::ty::{self, Article, AssocItem, Ty, TypeAndMut, TypeVisitableExt}; +use rustc_middle::ty::fold::BottomUpFolder; +use rustc_middle::ty::print::with_no_trimmed_paths; +use rustc_middle::ty::{self, Article, AssocItem, Ty, TypeAndMut, TypeFoldable}; use rustc_span::symbol::{sym, Symbol}; -use rustc_span::{BytePos, Span}; -use rustc_target::abi::FieldIdx; +use rustc_span::{BytePos, Span, DUMMY_SP}; use rustc_trait_selection::infer::InferCtxtExt as _; -use rustc_trait_selection::traits::error_reporting::method_chain::CollectAllMismatches; use rustc_trait_selection::traits::ObligationCause; use super::method::probe; @@ -62,9 +58,14 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { || self.suggest_into(err, expr, expr_ty, expected) || self.suggest_floating_point_literal(err, expr, expected) || self.suggest_null_ptr_for_literal_zero_given_to_ptr_arg(err, expr, expected) - || self.note_result_coercion(err, expr, expected, expr_ty); + || self.suggest_coercing_result_via_try_operator(err, expr, expected, expr_ty); + if !suggested { - self.point_at_expr_source_of_inferred_type(err, expr, expr_ty, expected, expr.span); + self.note_source_of_type_mismatch_constraint( + err, + expr, + TypeMismatchSource::Ty(expected), + ); } } @@ -218,37 +219,34 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { (expected, Some(err)) } - pub fn point_at_expr_source_of_inferred_type( + /// Notes the point at which a variable is constrained to some type incompatible + /// with some expectation given by `source`. + pub fn note_source_of_type_mismatch_constraint( &self, err: &mut Diagnostic, expr: &hir::Expr<'_>, - found: Ty<'tcx>, - expected: Ty<'tcx>, - mismatch_span: Span, + source: TypeMismatchSource<'tcx>, ) -> bool { - let map = self.tcx.hir(); + let hir = self.tcx.hir(); let hir::ExprKind::Path(hir::QPath::Resolved(None, p)) = expr.kind else { return false; }; let [hir::PathSegment { ident, args: None, .. }] = p.segments else { return false; }; - let hir::def::Res::Local(hir_id) = p.res else { return false; }; - let Some(hir::Node::Pat(pat)) = map.find(hir_id) else { return false; }; - let Some(hir::Node::Local(hir::Local { - ty: None, - init: Some(init), - .. - })) = map.find_parent(pat.hir_id) else { return false; }; - let Some(ty) = self.node_ty_opt(init.hir_id) else { return false; }; - if ty.is_closure() || init.span.overlaps(expr.span) || pat.span.from_expansion() { - return false; - } + let hir::def::Res::Local(local_hir_id) = p.res else { return false; }; + let hir::Node::Pat(pat) = hir.get(local_hir_id) else { return false; }; + let (init_ty_hir_id, init) = match hir.get_parent(pat.hir_id) { + hir::Node::Local(hir::Local { ty: Some(ty), init, .. }) => (ty.hir_id, *init), + hir::Node::Local(hir::Local { init: Some(init), .. }) => (init.hir_id, Some(*init)), + _ => return false, + }; + let Some(init_ty) = self.node_ty_opt(init_ty_hir_id) else { return false; }; // Locate all the usages of the relevant binding. - struct FindExprs<'hir> { + struct FindExprs<'tcx> { hir_id: hir::HirId, - uses: Vec<&'hir hir::Expr<'hir>>, + uses: Vec<&'tcx hir::Expr<'tcx>>, } - impl<'v> Visitor<'v> for FindExprs<'v> { - fn visit_expr(&mut self, ex: &'v hir::Expr<'v>) { + impl<'tcx> Visitor<'tcx> for FindExprs<'tcx> { + fn visit_expr(&mut self, ex: &'tcx hir::Expr<'tcx>) { if let hir::ExprKind::Path(hir::QPath::Resolved(None, path)) = ex.kind && let hir::def::Res::Local(hir_id) = path.res && hir_id == self.hir_id @@ -259,180 +257,205 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } - let mut expr_finder = FindExprs { hir_id, uses: vec![] }; - let id = map.get_parent_item(hir_id); - let hir_id: hir::HirId = id.into(); - - let Some(node) = map.find(hir_id) else { return false; }; - let Some(body_id) = node.body_id() else { return false; }; - let body = map.body(body_id); + let mut expr_finder = FindExprs { hir_id: local_hir_id, uses: init.into_iter().collect() }; + let body = + hir.body(hir.maybe_body_owned_by(self.body_id).expect("expected item to have body")); expr_finder.visit_expr(body.value); - // Hack to make equality checks on types with inference variables and regions useful. - let mut eraser = BottomUpFolder { + + use rustc_infer::infer::type_variable::*; + use rustc_middle::infer::unify_key::*; + // Replaces all of the variables in the given type with a fresh inference variable. + let mut fudger = BottomUpFolder { tcx: self.tcx, + ty_op: |ty| { + if let ty::Infer(infer) = ty.kind() { + match infer { + ty::InferTy::TyVar(_) => self.next_ty_var(TypeVariableOrigin { + kind: TypeVariableOriginKind::MiscVariable, + span: DUMMY_SP, + }), + ty::InferTy::IntVar(_) => self.next_int_var(), + ty::InferTy::FloatVar(_) => self.next_float_var(), + _ => bug!(), + } + } else { + ty + } + }, lt_op: |_| self.tcx.lifetimes.re_erased, - ct_op: |c| c, - ty_op: |t| match *t.kind() { - ty::Infer(ty::TyVar(_)) => self.tcx.mk_ty_var(ty::TyVid::from_u32(0)), - ty::Infer(ty::IntVar(_)) => self.tcx.mk_int_var(ty::IntVid { index: 0 }), - ty::Infer(ty::FloatVar(_)) => self.tcx.mk_float_var(ty::FloatVid { index: 0 }), - _ => t, + ct_op: |ct| { + if let ty::ConstKind::Infer(_) = ct.kind() { + self.next_const_var( + ct.ty(), + ConstVariableOrigin { + kind: ConstVariableOriginKind::MiscVariable, + span: DUMMY_SP, + }, + ) + } else { + ct + } }, }; - let mut prev = eraser.fold_ty(ty); - let mut prev_span: Option<Span> = None; - - for binding in expr_finder.uses { - // In every expression where the binding is referenced, we will look at that - // expression's type and see if it is where the incorrect found type was fully - // "materialized" and point at it. We will also try to provide a suggestion there. - if let Some(hir::Node::Expr(expr) - | hir::Node::Stmt(hir::Stmt { - kind: hir::StmtKind::Expr(expr) | hir::StmtKind::Semi(expr), - .. - })) = &map.find_parent(binding.hir_id) - && let hir::ExprKind::MethodCall(segment, rcvr, args, _span) = expr.kind - && rcvr.hir_id == binding.hir_id - && let Some(def_id) = self.typeck_results.borrow().type_dependent_def_id(expr.hir_id) - { - // We special case methods, because they can influence inference through the - // call's arguments and we can provide a more explicit span. - let sig = self.tcx.fn_sig(def_id).subst_identity(); - let def_self_ty = sig.input(0).skip_binder(); - let param_tys = sig.inputs().skip_binder().iter().skip(1); - // If there's an arity mismatch, pointing out the call as the source of an inference - // can be misleading, so we skip it. - if param_tys.len() != args.len() { - continue; - } - let rcvr_ty = self.node_ty(rcvr.hir_id); - // Get the evaluated type *after* calling the method call, so that the influence - // of the arguments can be reflected in the receiver type. The receiver - // expression has the type *before* theis analysis is done. - let ty = match self.lookup_probe_for_diagnostic( - segment.ident, - rcvr_ty, - expr, - probe::ProbeScope::TraitsInScope, - None, - ) { - Ok(pick) => eraser.fold_ty(pick.self_ty), - Err(_) => rcvr_ty, + + let expected_ty = match source { + TypeMismatchSource::Ty(expected_ty) => expected_ty, + // Try to deduce what the possible value of `expr` would be if the + // incompatible arg were compatible. For example, given `Vec<i32>` + // and `vec.push(1u32)`, we ideally want to deduce that the type of + // `vec` *should* have been `Vec<u32>`. This will allow us to then + // run the subsequent code with this expectation, finding out exactly + // when this type diverged from our expectation. + TypeMismatchSource::Arg { call_expr, incompatible_arg: idx } => { + let hir::ExprKind::MethodCall(segment, _, args, _) = call_expr.kind else { + return false; }; - // Remove one layer of references to account for `&mut self` and - // `&self`, so that we can compare it against the binding. - let (ty, def_self_ty) = match (ty.kind(), def_self_ty.kind()) { - (ty::Ref(_, ty, a), ty::Ref(_, self_ty, b)) if a == b => (*ty, *self_ty), - _ => (ty, def_self_ty), + let Some(arg_ty) = self.node_ty_opt(args[idx].hir_id) else { + return false; }; - let mut param_args = FxHashMap::default(); - let mut param_expected = FxHashMap::default(); - let mut param_found = FxHashMap::default(); - if self.can_eq(self.param_env, ty, found) { - // We only point at the first place where the found type was inferred. - for (param_ty, arg) in param_tys.zip(args) { - if def_self_ty.contains(*param_ty) && let ty::Param(_) = param_ty.kind() { - // We found an argument that references a type parameter in `Self`, - // so we assume that this is the argument that caused the found - // type, which we know already because of `can_eq` above was first - // inferred in this method call. - let arg_ty = self.node_ty(arg.hir_id); - if !arg.span.overlaps(mismatch_span) { - err.span_label( - arg.span, - &format!( - "this is of type `{arg_ty}`, which causes `{ident}` to be \ - inferred as `{ty}`", - ), - ); - } - param_args.insert(param_ty, (arg, arg_ty)); - } - } + let possible_rcvr_ty = expr_finder.uses.iter().find_map(|binding| { + let possible_rcvr_ty = self.node_ty_opt(binding.hir_id)?; + // Fudge the receiver, so we can do new inference on it. + let possible_rcvr_ty = possible_rcvr_ty.fold_with(&mut fudger); + let method = self + .lookup_method( + possible_rcvr_ty, + segment, + DUMMY_SP, + call_expr, + binding, + args, + ) + .ok()?; + // Unify the method signature with our incompatible arg, to + // do inference in the *opposite* direction and to find out + // what our ideal rcvr ty would look like. + let _ = self + .at(&ObligationCause::dummy(), self.param_env) + .eq(DefineOpaqueTypes::No, method.sig.inputs()[idx + 1], arg_ty) + .ok()?; + self.select_obligations_where_possible(|errs| { + // Yeet the errors, we're already reporting errors. + errs.clear(); + }); + Some(self.resolve_vars_if_possible(possible_rcvr_ty)) + }); + if let Some(rcvr_ty) = possible_rcvr_ty { + rcvr_ty + } else { + return false; } + } + }; - // Here we find, for a type param `T`, the type that `T` is in the current - // method call *and* in the original expected type. That way, we can see if we - // can give any structured suggestion for the function argument. - let mut c = CollectAllMismatches { - infcx: &self.infcx, - param_env: self.param_env, - errors: vec![], + // If our expected_ty does not equal init_ty, then it *began* as incompatible. + // No need to note in this case... + if !self.can_eq(self.param_env, expected_ty, init_ty.fold_with(&mut fudger)) { + return false; + } + + for window in expr_finder.uses.windows(2) { + // Bindings always update their recorded type after the fact, so we + // need to look at the *following* usage's type to see when the + // binding became incompatible. + let [binding, next_usage] = *window else { continue; }; + + // Don't go past the binding (always gonna be a nonsense label if so) + if binding.hir_id == expr.hir_id { + break; + } + + let Some(next_use_ty) = self.node_ty_opt(next_usage.hir_id) else { continue; }; + + // If the type is not constrained in a way making it not possible to + // equate with `expected_ty` by this point, skip. + if self.can_eq(self.param_env, expected_ty, next_use_ty.fold_with(&mut fudger)) { + continue; + } + + if let hir::Node::Expr(parent_expr) = hir.get_parent(binding.hir_id) + && let hir::ExprKind::MethodCall(segment, rcvr, args, _) = parent_expr.kind + && rcvr.hir_id == binding.hir_id + { + // If our binding became incompatible while it was a receiver + // to a method call, we may be able to make a better guess to + // the source of a type mismatch. + let Some(rcvr_ty) = self.node_ty_opt(rcvr.hir_id) else { continue; }; + let rcvr_ty = rcvr_ty.fold_with(&mut fudger); + let Ok(method) = + self.lookup_method(rcvr_ty, segment, DUMMY_SP, parent_expr, rcvr, args) + else { + continue; }; - let _ = c.relate(def_self_ty, ty); - for error in c.errors { - if let TypeError::Sorts(error) = error { - param_found.insert(error.expected, error.found); - } - } - c.errors = vec![]; - let _ = c.relate(def_self_ty, expected); - for error in c.errors { - if let TypeError::Sorts(error) = error { - param_expected.insert(error.expected, error.found); - } - } - for (param, (arg, arg_ty)) in param_args.iter() { - let Some(expected) = param_expected.get(param) else { continue; }; - let Some(found) = param_found.get(param) else { continue; }; - if !self.can_eq(self.param_env, *arg_ty, *found) { continue; } - self.emit_coerce_suggestions(err, arg, *found, *expected, None, None); - } - let ty = eraser.fold_ty(ty); - if ty.references_error() { - break; - } - if ty != prev - && param_args.is_empty() - && self.can_eq(self.param_env, ty, found) + let ideal_rcvr_ty = rcvr_ty.fold_with(&mut fudger); + let ideal_method = self + .lookup_method(ideal_rcvr_ty, segment, DUMMY_SP, parent_expr, rcvr, args) + .ok() + .and_then(|method| { + let _ = self.at(&ObligationCause::dummy(), self.param_env) + .eq(DefineOpaqueTypes::No, ideal_rcvr_ty, expected_ty) + .ok()?; + Some(method) + }); + + // Find what argument caused our rcvr to become incompatible + // with the expected ty. + for (idx, (expected_arg_ty, arg_expr)) in + std::iter::zip(&method.sig.inputs()[1..], args).enumerate() { - // We only point at the first place where the found type was inferred. - if !segment.ident.span.overlaps(mismatch_span) { + let Some(arg_ty) = self.node_ty_opt(arg_expr.hir_id) else { continue; }; + let arg_ty = arg_ty.fold_with(&mut fudger); + let _ = self.try_coerce( + arg_expr, + arg_ty, + *expected_arg_ty, + AllowTwoPhase::No, + None, + ); + self.select_obligations_where_possible(|errs| { + // Yeet the errors, we're already reporting errors. + errs.clear(); + }); + // If our rcvr, after inference due to unifying the signature + // with the expected argument type, is still compatible with + // the rcvr, then it must've not been the source of blame. + if self.can_eq(self.param_env, rcvr_ty, expected_ty) { + continue; + } + err.span_label(arg_expr.span, format!("this argument has type `{arg_ty}`...")); err.span_label( - segment.ident.span, - with_forced_trimmed_paths!(format!( - "here the type of `{ident}` is inferred to be `{ty}`", - )), - );} - break; - } else if !param_args.is_empty() { - break; - } - prev = ty; - } else { - let ty = eraser.fold_ty(self.node_ty(binding.hir_id)); - if ty.references_error() { - break; - } - if ty != prev - && let Some(span) = prev_span - && self.can_eq(self.param_env, ty, found) - { - // We only point at the first place where the found type was inferred. - // We use the *previous* span because if the type is known *here* it means - // it was *evaluated earlier*. We don't do this for method calls because we - // evaluate the method's self type eagerly, but not in any other case. - if !span.overlaps(mismatch_span) { - err.span_label( - span, - with_forced_trimmed_paths!(format!( - "here the type of `{ident}` is inferred to be `{ty}`", - )), + binding.span, + format!("... which causes `{ident}` to have type `{next_use_ty}`"), + ); + // Using our "ideal" method signature, suggest a fix to this + // blame arg, if possible. Don't do this if we're coming from + // arg mismatch code, because we'll possibly suggest a mutually + // incompatible fix at the original mismatch site. + if matches!(source, TypeMismatchSource::Ty(_)) + && let Some(ideal_method) = ideal_method + { + self.emit_type_mismatch_suggestions( + err, + arg_expr, + arg_ty, + self.resolve_vars_if_possible(ideal_method.sig.inputs()[idx + 1]), + None, + None, ); } - break; + return true; } - prev = ty; - } - if binding.hir_id == expr.hir_id { - // Do not look at expressions that come after the expression we were originally - // evaluating and had a type error. - break; } - prev_span = Some(binding.span); + err.span_label( + binding.span, + format!("here the type of `{ident}` is inferred to be `{next_use_ty}`"), + ); + return true; } - true + + // We must've not found something that constrained the expr. + false } fn annotate_expected_due_to_let_ty( @@ -708,7 +731,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); } - pub(crate) fn note_result_coercion( + pub(crate) fn suggest_coercing_result_via_try_operator( &self, err: &mut Diagnostic, expr: &hir::Expr<'tcx>, @@ -851,7 +874,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { variant.fields.len() == 1 }) .filter_map(|variant| { - let sole_field = &variant.fields[FieldIdx::from_u32(0)]; + let sole_field = &variant.single_field(); let field_is_local = sole_field.did.is_local(); let field_is_accessible = @@ -2094,3 +2117,13 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } } } + +pub enum TypeMismatchSource<'tcx> { + /// Expected the binding to have the given type, but it was found to have + /// a different type. Find out when that type first became incompatible. + Ty(Ty<'tcx>), + /// When we fail during method argument checking, try to find out if a previous + /// expression has constrained the method's receiver in a way that makes the + /// argument's type incompatible. + Arg { call_expr: &'tcx hir::Expr<'tcx>, incompatible_arg: usize }, +} diff --git a/compiler/rustc_hir_typeck/src/expr.rs b/compiler/rustc_hir_typeck/src/expr.rs index 68e096e3bd0..ffc73d64fc0 100644 --- a/compiler/rustc_hir_typeck/src/expr.rs +++ b/compiler/rustc_hir_typeck/src/expr.rs @@ -120,7 +120,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ty } - pub(super) fn check_expr_coercable_to_type( + pub(super) fn check_expr_coercible_to_type( &self, expr: &'tcx hir::Expr<'tcx>, expected: Ty<'tcx>, @@ -1128,7 +1128,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } }; - // This is (basically) inlined `check_expr_coercable_to_type`, but we want + // This is (basically) inlined `check_expr_coercible_to_type`, but we want // to suggest an additional fixup here in `suggest_deref_binop`. let rhs_ty = self.check_expr_with_hint(&rhs, lhs_ty); if let (_, Some(mut diag)) = @@ -1401,7 +1401,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let (element_ty, t) = match uty { Some(uty) => { - self.check_expr_coercable_to_type(&element, uty, None); + self.check_expr_coercible_to_type(&element, uty, None); (uty, uty) } None => { @@ -1478,7 +1478,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let elt_ts_iter = elts.iter().enumerate().map(|(i, e)| match flds { Some(fs) if i < fs.len() => { let ety = fs[i]; - self.check_expr_coercable_to_type(&e, ety, None); + self.check_expr_coercible_to_type(&e, ety, None); ety } _ => self.check_expr_with_expectation(&e, NoExpectation), @@ -1735,10 +1735,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } else { self.check_expr_has_type_or_error(base_expr, adt_ty, |_| { let base_ty = self.typeck_results.borrow().expr_ty(*base_expr); - let same_adt = match (adt_ty.kind(), base_ty.kind()) { - (ty::Adt(adt, _), ty::Adt(base_adt, _)) if adt == base_adt => true, - _ => false, - }; + let same_adt = matches!((adt_ty.kind(), base_ty.kind()), + (ty::Adt(adt, _), ty::Adt(base_adt, _)) if adt == base_adt); if self.tcx.sess.is_nightly_build() && same_adt { feature_err( &self.tcx.sess.parse_sess, @@ -2869,7 +2867,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ) -> Ty<'tcx> { match self.resume_yield_tys { Some((resume_ty, yield_ty)) => { - self.check_expr_coercable_to_type(&value, yield_ty, None); + self.check_expr_coercible_to_type(&value, yield_ty, None); resume_ty } @@ -2878,7 +2876,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // information. Hence, we check the source of the yield expression here and check its // value's type against `()` (this check should always hold). None if src.is_await() => { - self.check_expr_coercable_to_type(&value, self.tcx.mk_unit(), None); + self.check_expr_coercible_to_type(&value, self.tcx.mk_unit(), None); self.tcx.mk_unit() } _ => { diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs index fdf178c3ea7..f736f7a9620 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs @@ -578,7 +578,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { #[instrument(skip(self), level = "debug")] pub(in super::super) fn report_ambiguity_errors(&self) { - let mut errors = self.fulfillment_cx.borrow_mut().collect_remaining_errors(); + let mut errors = self.fulfillment_cx.borrow_mut().collect_remaining_errors(self); if !errors.is_empty() { self.adjust_fulfillment_errors_for_expr_obligation(&mut errors); diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/adjust_fulfillment_errors.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/adjust_fulfillment_errors.rs index 3e0c2bf2a55..c3e5f9cb745 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/adjust_fulfillment_errors.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/adjust_fulfillment_errors.rs @@ -78,7 +78,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Finally, for ambiguity-related errors, we actually want to look // for a parameter that is the source of the inference type left // over in this predicate. - if let traits::FulfillmentErrorCode::CodeAmbiguity = error.code { + if let traits::FulfillmentErrorCode::CodeAmbiguity { .. } = error.code { fallback_param_to_point_at = None; self_param_to_point_at = None; param_to_point_at = @@ -164,24 +164,20 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { { for param in [param_to_point_at, fallback_param_to_point_at, self_param_to_point_at] + .into_iter() + .flatten() { - if let Some(param) = param { - let refined_expr = self.point_at_field_if_possible( - def_id, - param, - variant_def_id, - fields, - ); - - match refined_expr { - None => {} - Some((refined_expr, _)) => { - error.obligation.cause.span = refined_expr - .span - .find_ancestor_in_same_ctxt(error.obligation.cause.span) - .unwrap_or(refined_expr.span); - return true; - } + let refined_expr = + self.point_at_field_if_possible(def_id, param, variant_def_id, fields); + + match refined_expr { + None => {} + Some((refined_expr, _)) => { + error.obligation.cause.span = refined_expr + .span + .find_ancestor_in_same_ctxt(error.obligation.cause.span) + .unwrap_or(refined_expr.span); + return true; } } } @@ -466,7 +462,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// obligation. Hence we refine the `expr` "outwards-in" and bail at the first kind of expression/impl we don't recognize. /// /// This function returns a `Result<&Expr, &Expr>` - either way, it returns the `Expr` whose span should be - /// reported as an error. If it is `Ok`, then it means it refined successfull. If it is `Err`, then it may be + /// reported as an error. If it is `Ok`, then it means it refined successful. If it is `Err`, then it may be /// only a partial success - but it cannot be refined even further. fn blame_specific_expr_if_possible_for_derived_predicate_obligation( &self, @@ -534,7 +530,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { /// - in_ty: `(Option<Vec<T>, bool)` /// we would drill until we arrive at `vec![1, 2, 3]`. /// - /// If successful, we return `Ok(refined_expr)`. If unsuccesful, we return `Err(partially_refined_expr`), + /// If successful, we return `Ok(refined_expr)`. If unsuccessful, we return `Err(partially_refined_expr`), /// which will go as far as possible. For example, given `(foo(), false)` instead, we would drill to /// `foo()` and then return `Err("foo()")`. /// diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs index cf93d1d2182..ea1b52daaa5 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/checks.rs @@ -472,7 +472,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { err_code: &str, fn_def_id: Option<DefId>, call_span: Span, - call_expr: &hir::Expr<'tcx>, + call_expr: &'tcx hir::Expr<'tcx>, ) { // Next, let's construct the error let (error_span, full_call_span, call_name, is_method) = match &call_expr.kind { @@ -807,24 +807,20 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { full_call_span, format!("arguments to this {} are incorrect", call_name), ); - if let (Some(callee_ty), hir::ExprKind::MethodCall(_, rcvr, _, _)) = - (callee_ty, &call_expr.kind) + + if let hir::ExprKind::MethodCall(_, rcvr, _, _) = call_expr.kind + && provided_idx.as_usize() == expected_idx.as_usize() { - // Type that would have accepted this argument if it hadn't been inferred earlier. - // FIXME: We leave an inference variable for now, but it'd be nice to get a more - // specific type to increase the accuracy of the diagnostic. - let expected = self.infcx.next_ty_var(TypeVariableOrigin { - kind: TypeVariableOriginKind::MiscVariable, - span: full_call_span, - }); - self.point_at_expr_source_of_inferred_type( + self.note_source_of_type_mismatch_constraint( &mut err, rcvr, - expected, - callee_ty, - provided_arg_span, + crate::demand::TypeMismatchSource::Arg { + call_expr, + incompatible_arg: provided_idx.as_usize(), + }, ); } + // Call out where the function is defined self.label_fn_like( &mut err, @@ -1413,7 +1409,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { self.demand_eqtype(init.span, local_ty, init_ty); init_ty } else { - self.check_expr_coercable_to_type(init, local_ty, None) + self.check_expr_coercible_to_type(init, local_ty, None) } } diff --git a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs index 5fda4e191c2..e82821850d6 100644 --- a/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs +++ b/compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs @@ -1252,7 +1252,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { node: rustc_ast::LitKind::Int(lit, rustc_ast::LitIntType::Unsuffixed), span, }) => { - let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(span) else { return false; }; + let Ok(snippet) = self.tcx.sess.source_map().span_to_snippet(*span) else { return false; }; if !(snippet.starts_with("0x") || snippet.starts_with("0X")) { return false; } @@ -1311,7 +1311,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // We have satisfied all requirements to provide a suggestion. Emit it. err.span_suggestion( - span, + *span, format!("if you meant to create a null pointer, use `{null_path_str}()`"), null_path_str + "()", Applicability::MachineApplicable, diff --git a/compiler/rustc_hir_typeck/src/generator_interior/mod.rs b/compiler/rustc_hir_typeck/src/generator_interior/mod.rs index 5faa6ab13dd..f3971080443 100644 --- a/compiler/rustc_hir_typeck/src/generator_interior/mod.rs +++ b/compiler/rustc_hir_typeck/src/generator_interior/mod.rs @@ -239,8 +239,7 @@ pub fn resolve_interior<'a, 'tcx>( // typeck had previously found constraints that would cause them to be related. let mut counter = 0; - let mut mk_bound_region = |span| { - let kind = ty::BrAnon(span); + let mut mk_bound_region = |kind| { let var = ty::BoundVar::from_u32(counter); counter += 1; ty::BoundRegion { var, kind } @@ -252,24 +251,23 @@ pub fn resolve_interior<'a, 'tcx>( let origin = fcx.region_var_origin(vid); match origin { RegionVariableOrigin::EarlyBoundRegion(span, _) => { - mk_bound_region(Some(span)) + mk_bound_region(ty::BrAnon(Some(span))) } - _ => mk_bound_region(None), + _ => mk_bound_region(ty::BrAnon(None)), } } - // FIXME: these should use `BrNamed` ty::ReEarlyBound(region) => { - mk_bound_region(Some(fcx.tcx.def_span(region.def_id))) + mk_bound_region(ty::BrNamed(region.def_id, region.name)) } ty::ReLateBound(_, ty::BoundRegion { kind, .. }) | ty::ReFree(ty::FreeRegion { bound_region: kind, .. }) => match kind { - ty::BoundRegionKind::BrAnon(span) => mk_bound_region(span), - ty::BoundRegionKind::BrNamed(def_id, _) => { - mk_bound_region(Some(fcx.tcx.def_span(def_id))) + ty::BoundRegionKind::BrAnon(span) => mk_bound_region(ty::BrAnon(span)), + ty::BoundRegionKind::BrNamed(def_id, sym) => { + mk_bound_region(ty::BrNamed(def_id, sym)) } - ty::BoundRegionKind::BrEnv => mk_bound_region(None), + ty::BoundRegionKind::BrEnv => mk_bound_region(ty::BrAnon(None)), }, - _ => mk_bound_region(None), + _ => mk_bound_region(ty::BrAnon(None)), }; let r = fcx.tcx.mk_re_late_bound(current_depth, br); r @@ -293,10 +291,7 @@ pub fn resolve_interior<'a, 'tcx>( type_causes, FnMutDelegate { regions: &mut |br| { - let kind = match br.kind { - ty::BrAnon(span) => ty::BrAnon(span), - _ => br.kind, - }; + let kind = br.kind; let var = ty::BoundVar::from_usize(bound_vars.len()); bound_vars.push(ty::BoundVariableKind::Region(kind)); counter += 1; diff --git a/compiler/rustc_hir_typeck/src/intrinsicck.rs b/compiler/rustc_hir_typeck/src/intrinsicck.rs index 106f5bcd755..0fdb29a5e48 100644 --- a/compiler/rustc_hir_typeck/src/intrinsicck.rs +++ b/compiler/rustc_hir_typeck/src/intrinsicck.rs @@ -4,7 +4,7 @@ use rustc_hir as hir; use rustc_index::vec::Idx; use rustc_middle::ty::layout::{LayoutError, SizeSkeleton}; use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; -use rustc_target::abi::{FieldIdx, Pointer, VariantIdx}; +use rustc_target::abi::{Pointer, VariantIdx}; use super::FnCtxt; @@ -28,7 +28,7 @@ fn unpack_option_like<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> Ty<'tcx> { } if def.variant(data_idx).fields.len() == 1 { - return def.variant(data_idx).fields[FieldIdx::from_u32(0)].ty(tcx, substs); + return def.variant(data_idx).single_field().ty(tcx, substs); } } diff --git a/compiler/rustc_hir_typeck/src/lib.rs b/compiler/rustc_hir_typeck/src/lib.rs index 6af095cb4d4..45890abad92 100644 --- a/compiler/rustc_hir_typeck/src/lib.rs +++ b/compiler/rustc_hir_typeck/src/lib.rs @@ -280,7 +280,7 @@ fn typeck_with_fallback<'tcx>( // Gather locals in statics (because of block expressions). GatherLocalsVisitor::new(&fcx).visit_body(body); - fcx.check_expr_coercable_to_type(&body.value, expected_type, None); + fcx.check_expr_coercible_to_type(&body.value, expected_type, None); fcx.write_ty(id, expected_type); }; diff --git a/compiler/rustc_hir_typeck/src/method/probe.rs b/compiler/rustc_hir_typeck/src/method/probe.rs index 08cd6085d7f..4fd778910ba 100644 --- a/compiler/rustc_hir_typeck/src/method/probe.rs +++ b/compiler/rustc_hir_typeck/src/method/probe.rs @@ -1531,23 +1531,18 @@ impl<'a, 'tcx> ProbeContext<'a, 'tcx> { // Convert the bounds into obligations. let impl_obligations = traits::predicates_for_generics( - |_idx, span| { - let misc = traits::ObligationCause::misc(span, self.body_id); - let parent_trait_pred = ty::Binder::dummy(ty::TraitPredicate { - trait_ref: ty::TraitRef::from_method(self.tcx, impl_def_id, substs), - constness: ty::BoundConstness::NotConst, - polarity: ty::ImplPolarity::Positive, - }); - misc.derived_cause(parent_trait_pred, |derived| { - traits::ImplDerivedObligation(Box::new( - traits::ImplDerivedObligationCause { - derived, - impl_or_alias_def_id: impl_def_id, - impl_def_predicate_index: None, - span, - }, - )) - }) + |idx, span| { + let code = if span.is_dummy() { + traits::ExprItemObligation(impl_def_id, self.scope_expr_id, idx) + } else { + traits::ExprBindingObligation( + impl_def_id, + span, + self.scope_expr_id, + idx, + ) + }; + ObligationCause::new(self.span, self.body_id, code) }, self.param_env, impl_bounds, diff --git a/compiler/rustc_hir_typeck/src/method/suggest.rs b/compiler/rustc_hir_typeck/src/method/suggest.rs index 5c50619f4c3..900a6fa0d8d 100644 --- a/compiler/rustc_hir_typeck/src/method/suggest.rs +++ b/compiler/rustc_hir_typeck/src/method/suggest.rs @@ -300,7 +300,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { }; // We could pass the file for long types into these two, but it isn't strictly necessary - // given how targetted they are. + // given how targeted they are. if self.suggest_wrapping_range_with_parens( tcx, rcvr_ty, @@ -661,19 +661,26 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // Find all the requirements that come from a local `impl` block. let mut skip_list: FxHashSet<_> = Default::default(); let mut spanned_predicates = FxHashMap::default(); - for (p, parent_p, impl_def_id, cause) in unsatisfied_predicates - .iter() - .filter_map(|(p, parent, c)| c.as_ref().map(|c| (p, parent, c))) - .filter_map(|(p, parent, c)| match c.code() { - ObligationCauseCode::ImplDerivedObligation(data) - if matches!(p.kind().skip_binder(), ty::PredicateKind::Clause(_)) => - { - Some((p, parent, data.impl_or_alias_def_id, data)) + for (p, parent_p, cause) in unsatisfied_predicates { + // Extract the predicate span and parent def id of the cause, + // if we have one. + let (item_def_id, cause_span) = match cause.as_ref().map(|cause| cause.code()) { + Some(ObligationCauseCode::ImplDerivedObligation(data)) => { + (data.impl_or_alias_def_id, data.span) } - _ => None, - }) - { - match self.tcx.hir().get_if_local(impl_def_id) { + Some( + ObligationCauseCode::ExprBindingObligation(def_id, span, _, _) + | ObligationCauseCode::BindingObligation(def_id, span), + ) => (*def_id, *span), + _ => continue, + }; + + // Don't point out the span of `WellFormed` predicates. + if !matches!(p.kind().skip_binder(), ty::PredicateKind::Clause(_)) { + continue; + }; + + match self.tcx.hir().get_if_local(item_def_id) { // Unmet obligation comes from a `derive` macro, point at it once to // avoid multiple span labels pointing at the same place. Some(Node::Item(hir::Item { @@ -718,7 +725,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { } }); for param in generics.params { - if param.span == cause.span && sized_pred { + if param.span == cause_span && sized_pred { let (sp, sugg) = match param.colon_span { Some(sp) => (sp.shrink_to_hi(), " ?Sized +"), None => (param.span.shrink_to_hi(), ": ?Sized"), @@ -741,9 +748,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { (FxHashSet::default(), FxHashSet::default(), Vec::new()) }); entry.2.push(p); - if cause.span != *item_span { - entry.0.insert(cause.span); - entry.1.insert((cause.span, "unsatisfied trait bound introduced here")); + if cause_span != *item_span { + entry.0.insert(cause_span); + entry.1.insert((cause_span, "unsatisfied trait bound introduced here")); } else { if let Some(trait_ref) = of_trait { entry.0.insert(trait_ref.path.span); @@ -775,9 +782,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { let entry = entry.or_insert_with(|| { (FxHashSet::default(), FxHashSet::default(), Vec::new()) }); - entry.0.insert(cause.span); + entry.0.insert(cause_span); entry.1.insert((ident.span, "")); - entry.1.insert((cause.span, "unsatisfied trait bound introduced here")); + entry.1.insert((cause_span, "unsatisfied trait bound introduced here")); entry.2.push(p); } Some(node) => unreachable!("encountered `{node:?}`"), diff --git a/compiler/rustc_hir_typeck/src/op.rs b/compiler/rustc_hir_typeck/src/op.rs index 8a83bb58573..a52c94cb00c 100644 --- a/compiler/rustc_hir_typeck/src/op.rs +++ b/compiler/rustc_hir_typeck/src/op.rs @@ -12,9 +12,7 @@ use rustc_middle::ty::adjustment::{ Adjust, Adjustment, AllowTwoPhase, AutoBorrow, AutoBorrowMutability, }; use rustc_middle::ty::print::with_no_trimmed_paths; -use rustc_middle::ty::{ - self, IsSuggestable, Ty, TyCtxt, TypeFolder, TypeSuperFoldable, TypeVisitableExt, -}; +use rustc_middle::ty::{self, IsSuggestable, Ty, TyCtxt, TypeVisitableExt}; use rustc_session::errors::ExprParenthesesNeeded; use rustc_span::source_map::Spanned; use rustc_span::symbol::{sym, Ident}; @@ -103,9 +101,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { match BinOpCategory::from(op) { BinOpCategory::Shortcircuit => { // && and || are a simple case. - self.check_expr_coercable_to_type(lhs_expr, tcx.types.bool, None); + self.check_expr_coercible_to_type(lhs_expr, tcx.types.bool, None); let lhs_diverges = self.diverges.get(); - self.check_expr_coercable_to_type(rhs_expr, tcx.types.bool, None); + self.check_expr_coercible_to_type(rhs_expr, tcx.types.bool, None); // Depending on the LHS' value, the RHS can never execute. self.diverges.set(lhs_diverges); @@ -255,7 +253,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { ); // see `NB` above - let rhs_ty = self.check_expr_coercable_to_type(rhs_expr, rhs_ty_var, Some(lhs_expr)); + let rhs_ty = self.check_expr_coercible_to_type(rhs_expr, rhs_ty_var, Some(lhs_expr)); let rhs_ty = self.resolve_vars_with_obligations(rhs_ty); let return_ty = match result { @@ -965,21 +963,3 @@ fn is_builtin_binop<'tcx>(lhs: Ty<'tcx>, rhs: Ty<'tcx>, op: hir::BinOp) -> bool } } } - -struct TypeParamEraser<'a, 'tcx>(&'a FnCtxt<'a, 'tcx>, Span); - -impl<'tcx> TypeFolder<TyCtxt<'tcx>> for TypeParamEraser<'_, 'tcx> { - fn interner(&self) -> TyCtxt<'tcx> { - self.0.tcx - } - - fn fold_ty(&mut self, ty: Ty<'tcx>) -> Ty<'tcx> { - match ty.kind() { - ty::Param(_) => self.0.next_ty_var(TypeVariableOrigin { - kind: TypeVariableOriginKind::MiscVariable, - span: self.1, - }), - _ => ty.super_fold_with(self), - } - } -} diff --git a/compiler/rustc_infer/messages.ftl b/compiler/rustc_infer/messages.ftl index 4d4a7880b00..c8998ea91bf 100644 --- a/compiler/rustc_infer/messages.ftl +++ b/compiler/rustc_infer/messages.ftl @@ -163,7 +163,6 @@ infer_region_explanation = {$pref_kind -> [as_defined] the lifetime `{$desc_arg}` as defined here [as_defined_anon] the anonymous lifetime as defined here [defined_here] the anonymous lifetime defined here - [anon_num_here] the anonymous lifetime #{$desc_num_arg} defined here [defined_here_reg] the lifetime `{$desc_arg}` as defined here }{$suff_kind -> *[should_not_happen] [{$suff_kind}] @@ -174,7 +173,7 @@ infer_region_explanation = {$pref_kind -> infer_outlives_content = lifetime of reference outlives lifetime of borrowed content... infer_outlives_bound = lifetime of the source pointer does not outlive lifetime bound of the object type -infer_fullfill_req_lifetime = the type `{$ty}` does not fulfill the required lifetime +infer_fulfill_req_lifetime = the type `{$ty}` does not fulfill the required lifetime infer_lf_bound_not_satisfied = lifetime bound not satisfied infer_borrowed_too_long = a value of type `{$ty}` is borrowed for too long infer_ref_longer_than_data = in type `{$ty}`, reference has a longer lifetime than the data it references diff --git a/compiler/rustc_infer/src/errors/mod.rs b/compiler/rustc_infer/src/errors/mod.rs index b129621130d..65b3dd1a892 100644 --- a/compiler/rustc_infer/src/errors/mod.rs +++ b/compiler/rustc_infer/src/errors/mod.rs @@ -53,7 +53,7 @@ pub struct AnnotationRequired<'a> { // Copy of `AnnotationRequired` for E0283 #[derive(Diagnostic)] #[diag(infer_type_annotations_needed, code = "E0283")] -pub struct AmbigousImpl<'a> { +pub struct AmbiguousImpl<'a> { #[primary_span] pub span: Span, pub source_kind: &'static str, @@ -942,8 +942,8 @@ pub struct OutlivesBound<'a> { } #[derive(Diagnostic)] -#[diag(infer_fullfill_req_lifetime, code = "E0477")] -pub struct FullfillReqLifetime<'a> { +#[diag(infer_fulfill_req_lifetime, code = "E0477")] +pub struct FulfillReqLifetime<'a> { #[primary_span] pub span: Span, pub ty: Ty<'a>, diff --git a/compiler/rustc_infer/src/errors/note_and_explain.rs b/compiler/rustc_infer/src/errors/note_and_explain.rs index 30f6af74b83..7328241dfbc 100644 --- a/compiler/rustc_infer/src/errors/note_and_explain.rs +++ b/compiler/rustc_infer/src/errors/note_and_explain.rs @@ -4,12 +4,10 @@ use rustc_errors::{self, AddToDiagnostic, Diagnostic, IntoDiagnosticArg, Subdiag use rustc_middle::ty::{self, TyCtxt}; use rustc_span::{symbol::kw, Span}; -#[derive(Default)] struct DescriptionCtx<'a> { span: Option<Span>, kind: &'a str, arg: String, - num_arg: u32, } impl<'a> DescriptionCtx<'a> { @@ -18,102 +16,74 @@ impl<'a> DescriptionCtx<'a> { region: ty::Region<'tcx>, alt_span: Option<Span>, ) -> Option<Self> { - let mut me = DescriptionCtx::default(); - me.span = alt_span; - match *region { - ty::ReEarlyBound(_) | ty::ReFree(_) => { - return Self::from_early_bound_and_free_regions(tcx, region); - } - ty::ReStatic => { - me.kind = "restatic"; - } - - ty::RePlaceholder(_) => return None, - - ty::ReError(_) => return None, - - // FIXME(#13998) RePlaceholder should probably print like - // ReFree rather than dumping Debug output on the user. - // - // We shouldn't really be having unification failures with ReVar - // and ReLateBound though. - ty::ReVar(_) | ty::ReLateBound(..) | ty::ReErased => { - me.kind = "revar"; - me.arg = format!("{:?}", region); - } - }; - Some(me) - } - - fn from_early_bound_and_free_regions<'tcx>( - tcx: TyCtxt<'tcx>, - region: ty::Region<'tcx>, - ) -> Option<Self> { - let mut me = DescriptionCtx::default(); - let scope = region.free_region_binding_scope(tcx).expect_local(); - match *region { + let (span, kind, arg) = match *region { ty::ReEarlyBound(ref br) => { - let mut sp = tcx.def_span(scope); - if let Some(param) = + let scope = region.free_region_binding_scope(tcx).expect_local(); + let span = if let Some(param) = tcx.hir().get_generics(scope).and_then(|generics| generics.get_named(br.name)) { - sp = param.span; - } - if br.has_name() { - me.kind = "as_defined"; - me.arg = br.name.to_string(); + param.span } else { - me.kind = "as_defined_anon"; + tcx.def_span(scope) }; - me.span = Some(sp) + if br.has_name() { + (Some(span), "as_defined", br.name.to_string()) + } else { + (Some(span), "as_defined_anon", String::new()) + } } ty::ReFree(ref fr) => { if !fr.bound_region.is_named() && let Some((ty, _)) = find_anon_type(tcx, region, &fr.bound_region) { - me.kind = "defined_here"; - me.span = Some(ty.span); + (Some(ty.span), "defined_here", String::new()) } else { + let scope = region.free_region_binding_scope(tcx).expect_local(); match fr.bound_region { ty::BoundRegionKind::BrNamed(_, name) => { - let mut sp = tcx.def_span(scope); - if let Some(param) = - tcx.hir().get_generics(scope).and_then(|generics| generics.get_named(name)) + let span = if let Some(param) = tcx + .hir() + .get_generics(scope) + .and_then(|generics| generics.get_named(name)) { - sp = param.span; - } - if name == kw::UnderscoreLifetime { - me.kind = "as_defined_anon"; + param.span } else { - me.kind = "as_defined"; - me.arg = name.to_string(); + tcx.def_span(scope) }; - me.span = Some(sp); + if name == kw::UnderscoreLifetime { + (Some(span), "as_defined_anon", String::new()) + } else { + (Some(span), "as_defined", name.to_string()) + } } ty::BrAnon(span) => { - me.kind = "defined_here"; - me.span = match span { + let span = match span { Some(_) => span, None => Some(tcx.def_span(scope)), - } - }, + }; + (span, "defined_here", String::new()) + } _ => { - me.kind = "defined_here_reg"; - me.arg = region.to_string(); - me.span = Some(tcx.def_span(scope)); - }, + (Some(tcx.def_span(scope)), "defined_here_reg", region.to_string()) + } } } } - _ => bug!(), - } - Some(me) - } - fn add_to(self, diag: &mut rustc_errors::Diagnostic) { - diag.set_arg("desc_kind", self.kind); - diag.set_arg("desc_arg", self.arg); - diag.set_arg("desc_num_arg", self.num_arg); + ty::ReStatic => (alt_span, "restatic", String::new()), + + ty::RePlaceholder(_) | ty::ReError(_) => return None, + + // FIXME(#13998) RePlaceholder should probably print like + // ReFree rather than dumping Debug output on the user. + // + // We shouldn't really be having unification failures with ReVar + // and ReLateBound though. + ty::ReVar(_) | ty::ReLateBound(..) | ty::ReErased => { + (alt_span, "revar", format!("{:?}", region)) + } + }; + Some(DescriptionCtx { span, kind, arg }) } } @@ -198,10 +168,11 @@ impl AddToDiagnostic for RegionExplanation<'_> { { diag.set_arg("pref_kind", self.prefix); diag.set_arg("suff_kind", self.suffix); - let desc_span = self.desc.span; - self.desc.add_to(diag); + diag.set_arg("desc_kind", self.desc.kind); + diag.set_arg("desc_arg", self.desc.arg); + let msg = f(diag, fluent::infer_region_explanation.into()); - if let Some(span) = desc_span { + if let Some(span) = self.desc.span { diag.span_note(span, msg); } else { diag.note(msg); diff --git a/compiler/rustc_infer/src/infer/error_reporting/mod.rs b/compiler/rustc_infer/src/infer/error_reporting/mod.rs index 7901bc94021..992b07db154 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/mod.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/mod.rs @@ -74,6 +74,7 @@ use rustc_middle::ty::{ self, error::TypeError, List, Region, Ty, TyCtxt, TypeFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, }; +use rustc_span::DUMMY_SP; use rustc_span::{sym, symbol::kw, BytePos, DesugaringKind, Pos, Span}; use rustc_target::spec::abi; use std::ops::{ControlFlow, Deref}; @@ -113,7 +114,11 @@ fn escape_literal(s: &str) -> String { /// A helper for building type related errors. The `typeck_results` /// field is only populated during an in-progress typeck. -/// Get an instance by calling `InferCtxt::err` or `FnCtxt::infer_err`. +/// Get an instance by calling `InferCtxt::err_ctxt` or `FnCtxt::err_ctxt`. +/// +/// You must only create this if you intend to actually emit an error. +/// This provides a lot of utility methods which should not be used +/// during the happy path. pub struct TypeErrCtxt<'a, 'tcx> { pub infcx: &'a InferCtxt<'tcx>, pub typeck_results: Option<std::cell::Ref<'a, ty::TypeckResults<'tcx>>>, @@ -125,6 +130,19 @@ pub struct TypeErrCtxt<'a, 'tcx> { Box<dyn Fn(Ty<'tcx>) -> Vec<(Ty<'tcx>, Vec<PredicateObligation<'tcx>>)> + 'a>, } +impl Drop for TypeErrCtxt<'_, '_> { + fn drop(&mut self) { + if let Some(_) = self.infcx.tcx.sess.has_errors_or_delayed_span_bugs() { + // ok, emitted an error. + } else { + self.infcx + .tcx + .sess + .delay_span_bug(DUMMY_SP, "used a `TypeErrCtxt` without failing compilation"); + } + } +} + impl TypeErrCtxt<'_, '_> { /// This is just to avoid a potential footgun of accidentally /// dropping `typeck_results` by calling `InferCtxt::err_ctxt` @@ -185,83 +203,73 @@ fn msg_span_from_named_region<'tcx>( alt_span: Option<Span>, ) -> (String, Option<Span>) { match *region { - ty::ReEarlyBound(_) | ty::ReFree(_) => { - let (msg, span) = msg_span_from_early_bound_and_free_regions(tcx, region); - (msg, Some(span)) - } - ty::ReStatic => ("the static lifetime".to_owned(), alt_span), - ty::RePlaceholder(ty::PlaceholderRegion { - bound: ty::BoundRegion { kind: ty::BoundRegionKind::BrNamed(def_id, name), .. }, - .. - }) => (format!("the lifetime `{name}` as defined here"), Some(tcx.def_span(def_id))), - ty::RePlaceholder(ty::PlaceholderRegion { - bound: ty::BoundRegion { kind: ty::BoundRegionKind::BrAnon(Some(span)), .. }, - .. - }) => (format!("the anonymous lifetime defined here"), Some(span)), - ty::RePlaceholder(ty::PlaceholderRegion { - bound: ty::BoundRegion { kind: ty::BoundRegionKind::BrAnon(None), .. }, - .. - }) => (format!("an anonymous lifetime"), None), - _ => bug!("{:?}", region), - } -} - -fn msg_span_from_early_bound_and_free_regions<'tcx>( - tcx: TyCtxt<'tcx>, - region: ty::Region<'tcx>, -) -> (String, Span) { - let scope = region.free_region_binding_scope(tcx).expect_local(); - match *region { ty::ReEarlyBound(ref br) => { - let mut sp = tcx.def_span(scope); - if let Some(param) = + let scope = region.free_region_binding_scope(tcx).expect_local(); + let span = if let Some(param) = tcx.hir().get_generics(scope).and_then(|generics| generics.get_named(br.name)) { - sp = param.span; - } + param.span + } else { + tcx.def_span(scope) + }; let text = if br.has_name() { format!("the lifetime `{}` as defined here", br.name) } else { "the anonymous lifetime as defined here".to_string() }; - (text, sp) + (text, Some(span)) } ty::ReFree(ref fr) => { if !fr.bound_region.is_named() && let Some((ty, _)) = find_anon_type(tcx, region, &fr.bound_region) { - ("the anonymous lifetime defined here".to_string(), ty.span) + ("the anonymous lifetime defined here".to_string(), Some(ty.span)) } else { + let scope = region.free_region_binding_scope(tcx).expect_local(); match fr.bound_region { ty::BoundRegionKind::BrNamed(_, name) => { - let mut sp = tcx.def_span(scope); - if let Some(param) = + let span = if let Some(param) = tcx.hir().get_generics(scope).and_then(|generics| generics.get_named(name)) { - sp = param.span; - } + param.span + } else { + tcx.def_span(scope) + }; let text = if name == kw::UnderscoreLifetime { "the anonymous lifetime as defined here".to_string() } else { format!("the lifetime `{}` as defined here", name) }; - (text, sp) + (text, Some(span)) } ty::BrAnon(span) => ( "the anonymous lifetime as defined here".to_string(), - match span { + Some(match span { Some(span) => span, None => tcx.def_span(scope) - } + }) ), _ => ( format!("the lifetime `{}` as defined here", region), - tcx.def_span(scope), + Some(tcx.def_span(scope)), ), } } } - _ => bug!(), + ty::ReStatic => ("the static lifetime".to_owned(), alt_span), + ty::RePlaceholder(ty::PlaceholderRegion { + bound: ty::BoundRegion { kind: ty::BoundRegionKind::BrNamed(def_id, name), .. }, + .. + }) => (format!("the lifetime `{name}` as defined here"), Some(tcx.def_span(def_id))), + ty::RePlaceholder(ty::PlaceholderRegion { + bound: ty::BoundRegion { kind: ty::BoundRegionKind::BrAnon(Some(span)), .. }, + .. + }) => (format!("the anonymous lifetime defined here"), Some(span)), + ty::RePlaceholder(ty::PlaceholderRegion { + bound: ty::BoundRegion { kind: ty::BoundRegionKind::BrAnon(None), .. }, + .. + }) => (format!("an anonymous lifetime"), None), + _ => bug!("{:?}", region), } } @@ -419,7 +427,11 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { &self, generic_param_scope: LocalDefId, errors: &[RegionResolutionError<'tcx>], - ) { + ) -> ErrorGuaranteed { + if let Some(guaranteed) = self.infcx.tainted_by_errors() { + return guaranteed; + } + debug!("report_region_errors(): {} errors to start", errors.len()); // try to pre-process the errors, which will group some of them @@ -499,6 +511,10 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } } } + + self.tcx + .sess + .delay_span_bug(self.tcx.def_span(generic_param_scope), "expected region errors") } // This method goes through all the errors and try to group certain types @@ -1829,7 +1845,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { // will try to hide in some case such as `async fn`, so // to make an error more use friendly we will // avoid to suggest a mismatch type with a - // type that the user usually are not usign + // type that the user usually are not using // directly such as `impl Future<Output = u8>`. if !self.tcx.ty_is_opaque_future(found_ty) { diag.note_expected_found_extra( @@ -1911,6 +1927,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { { let span = self.tcx.def_span(def_id); diag.span_note(span, "this closure does not fulfill the lifetime requirements"); + self.suggest_for_all_lifetime_closure(span, self.tcx.hir().get_by_def_id(def_id), &exp_found, diag); } // It reads better to have the error origin as the final diff --git a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs index d7b900ca02d..75cc4e257bd 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs @@ -1,5 +1,5 @@ use crate::errors::{ - AmbigousImpl, AmbigousReturn, AnnotationRequired, InferenceBadError, NeedTypeInfoInGenerator, + AmbigousReturn, AmbiguousImpl, AnnotationRequired, InferenceBadError, NeedTypeInfoInGenerator, SourceKindMultiSuggestion, SourceKindSubdiag, }; use crate::infer::error_reporting::TypeErrCtxt; @@ -358,7 +358,7 @@ impl<'tcx> InferCtxt<'tcx> { bad_label, } .into_diagnostic(&self.tcx.sess.parse_sess.span_diagnostic), - TypeAnnotationNeeded::E0283 => AmbigousImpl { + TypeAnnotationNeeded::E0283 => AmbiguousImpl { span, source_kind, source_name, @@ -563,7 +563,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { bad_label: None, } .into_diagnostic(&self.tcx.sess.parse_sess.span_diagnostic), - TypeAnnotationNeeded::E0283 => AmbigousImpl { + TypeAnnotationNeeded::E0283 => AmbiguousImpl { span, source_kind, source_name: &name, diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs index 22c1e387117..27c3b796d14 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs @@ -312,13 +312,10 @@ pub fn suggest_new_region_bound( Applicability::MaybeIncorrect, ); } - } else if opaque.bounds.iter().any(|arg| match arg { - GenericBound::Outlives(Lifetime { ident, .. }) - if ident.name.to_string() == lifetime_name => - { - true - } - _ => false, + } else if opaque.bounds.iter().any(|arg| { + matches!(arg, + GenericBound::Outlives(Lifetime { ident, .. }) + if ident.name.to_string() == lifetime_name ) }) { } else { // get a lifetime name of existing named lifetimes if any diff --git a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/trait_impl_difference.rs b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/trait_impl_difference.rs index 2875448ee15..ce70bcc5c85 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/trait_impl_difference.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/nice_region_error/trait_impl_difference.rs @@ -13,7 +13,7 @@ use rustc_hir::intravisit::Visitor; use rustc_middle::hir::nested_filter; use rustc_middle::ty::error::ExpectedFound; use rustc_middle::ty::print::RegionHighlightMode; -use rustc_middle::ty::{self, Ty, TyCtxt, TypeSuperVisitable, TypeVisitor}; +use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitor}; use rustc_span::Span; use std::ops::ControlFlow; @@ -81,7 +81,7 @@ impl<'a, 'tcx> NiceRegionError<'a, 'tcx> { self.highlight.highlighting_region(r, self.counter); self.counter += 1; } - r.super_visit_with(self) + ControlFlow::Continue(()) } } diff --git a/compiler/rustc_infer/src/infer/error_reporting/note.rs b/compiler/rustc_infer/src/infer/error_reporting/note.rs index e720af73c39..07a9eff2dbe 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/note.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/note.rs @@ -1,5 +1,5 @@ use crate::errors::{ - note_and_explain, FullfillReqLifetime, LfBoundNotSatisfied, OutlivesBound, OutlivesContent, + note_and_explain, FulfillReqLifetime, LfBoundNotSatisfied, OutlivesBound, OutlivesContent, RefLongerThanData, RegionOriginNote, WhereClauseSuggestions, }; use crate::fluent_generated as fluent; @@ -176,7 +176,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { let note = note_and_explain::RegionExplanation::new( self.tcx, sub, opt_span, prefix, suffix, ); - FullfillReqLifetime { span, ty: self.resolve_vars_if_possible(ty), note } + FulfillReqLifetime { span, ty: self.resolve_vars_if_possible(ty), note } .into_diagnostic(&self.tcx.sess.parse_sess.span_diagnostic) } infer::RelateRegionParamBound(span) => { diff --git a/compiler/rustc_infer/src/infer/error_reporting/suggest.rs b/compiler/rustc_infer/src/infer/error_reporting/suggest.rs index b5aeca12a1f..d885d040707 100644 --- a/compiler/rustc_infer/src/infer/error_reporting/suggest.rs +++ b/compiler/rustc_infer/src/infer/error_reporting/suggest.rs @@ -1,16 +1,15 @@ use hir::def::CtorKind; use hir::intravisit::{walk_expr, walk_stmt, Visitor}; use rustc_data_structures::fx::FxIndexSet; -use rustc_errors::Diagnostic; +use rustc_errors::{Applicability, Diagnostic}; use rustc_hir as hir; use rustc_middle::traits::{ IfExpressionCause, MatchExpressionArmCause, ObligationCause, ObligationCauseCode, StatementAsExpression, }; use rustc_middle::ty::print::with_no_trimmed_paths; -use rustc_middle::ty::{self as ty, IsSuggestable, Ty, TypeVisitableExt}; +use rustc_middle::ty::{self as ty, GenericArgKind, IsSuggestable, Ty, TypeVisitableExt}; use rustc_span::{sym, BytePos, Span}; -use rustc_target::abi::FieldIdx; use crate::errors::{ ConsiderAddingAwait, FnConsiderCasting, FnItemsAreDistinct, FnUniqTypes, @@ -114,7 +113,7 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { variant.fields.len() == 1 && variant.ctor_kind() == Some(CtorKind::Fn) }) .filter_map(|variant| { - let sole_field = &variant.fields[FieldIdx::from_u32(0)]; + let sole_field = &variant.single_field(); let sole_field_ty = sole_field.ty(self.tcx, substs); if self.same_type_modulo_infer(sole_field_ty, exp_found.found) { let variant_path = @@ -536,6 +535,82 @@ impl<'tcx> TypeErrCtxt<'_, 'tcx> { } None } + + /// For "one type is more general than the other" errors on closures, suggest changing the lifetime + /// of the parameters to accept all lifetimes. + pub(super) fn suggest_for_all_lifetime_closure( + &self, + span: Span, + hir: hir::Node<'_>, + exp_found: &ty::error::ExpectedFound<ty::PolyTraitRef<'tcx>>, + diag: &mut Diagnostic, + ) { + // 0. Extract fn_decl from hir + let hir::Node::Expr(hir::Expr { kind: hir::ExprKind::Closure(hir::Closure { body, fn_decl, .. }), .. }) = hir else { return; }; + let hir::Body { params, .. } = self.tcx.hir().body(*body); + + // 1. Get the substs of the closure. + // 2. Assume exp_found is FnOnce / FnMut / Fn, we can extract function parameters from [1]. + let Some(expected) = exp_found.expected.skip_binder().substs.get(1) else { return; }; + let Some(found) = exp_found.found.skip_binder().substs.get(1) else { return; }; + let expected = expected.unpack(); + let found = found.unpack(); + // 3. Extract the tuple type from Fn trait and suggest the change. + if let GenericArgKind::Type(expected) = expected && + let GenericArgKind::Type(found) = found && + let ty::Tuple(expected) = expected.kind() && + let ty::Tuple(found)= found.kind() && + expected.len() == found.len() { + let mut suggestion = "|".to_string(); + let mut is_first = true; + let mut has_suggestion = false; + + for (((expected, found), param_hir), arg_hir) in expected.iter() + .zip(found.iter()) + .zip(params.iter()) + .zip(fn_decl.inputs.iter()) { + if is_first { + is_first = false; + } else { + suggestion += ", "; + } + + if let ty::Ref(expected_region, _, _) = expected.kind() && + let ty::Ref(found_region, _, _) = found.kind() && + expected_region.is_late_bound() && + !found_region.is_late_bound() && + let hir::TyKind::Infer = arg_hir.kind { + // If the expected region is late bound, the found region is not, and users are asking compiler + // to infer the type, we can suggest adding `: &_`. + if param_hir.pat.span == param_hir.ty_span { + // for `|x|`, `|_|`, `|x: impl Foo|` + let Ok(pat) = self.tcx.sess.source_map().span_to_snippet(param_hir.pat.span) else { return; }; + suggestion += &format!("{}: &_", pat); + } else { + // for `|x: ty|`, `|_: ty|` + let Ok(pat) = self.tcx.sess.source_map().span_to_snippet(param_hir.pat.span) else { return; }; + let Ok(ty) = self.tcx.sess.source_map().span_to_snippet(param_hir.ty_span) else { return; }; + suggestion += &format!("{}: &{}", pat, ty); + } + has_suggestion = true; + } else { + let Ok(arg) = self.tcx.sess.source_map().span_to_snippet(param_hir.span) else { return; }; + // Otherwise, keep it as-is. + suggestion += &arg; + } + } + suggestion += "|"; + + if has_suggestion { + diag.span_suggestion_verbose( + span, + "consider specifying the type of the closure parameters", + suggestion, + Applicability::MaybeIncorrect, + ); + } + } + } } impl<'tcx> TypeErrCtxt<'_, 'tcx> { diff --git a/compiler/rustc_infer/src/infer/mod.rs b/compiler/rustc_infer/src/infer/mod.rs index b4f2ad0bb34..f263a0773e4 100644 --- a/compiler/rustc_infer/src/infer/mod.rs +++ b/compiler/rustc_infer/src/infer/mod.rs @@ -45,8 +45,7 @@ use self::combine::CombineFields; use self::error_reporting::TypeErrCtxt; use self::free_regions::RegionRelations; use self::lexical_region_resolve::LexicalRegionResolutions; -use self::outlives::env::OutlivesEnvironment; -use self::region_constraints::{GenericKind, RegionConstraintData, VarInfos, VerifyBound}; +use self::region_constraints::{GenericKind, VarInfos, VerifyBound}; use self::region_constraints::{ RegionConstraintCollector, RegionConstraintStorage, RegionSnapshot, }; @@ -1213,95 +1212,6 @@ impl<'tcx> InferCtxt<'tcx> { self.tainted_by_errors.set(Some(e)); } - pub fn skip_region_resolution(&self) { - let (var_infos, _) = { - let mut inner = self.inner.borrow_mut(); - let inner = &mut *inner; - // Note: `inner.region_obligations` may not be empty, because we - // didn't necessarily call `process_registered_region_obligations`. - // This is okay, because that doesn't introduce new vars. - inner - .region_constraint_storage - .take() - .expect("regions already resolved") - .with_log(&mut inner.undo_log) - .into_infos_and_data() - }; - - let lexical_region_resolutions = LexicalRegionResolutions { - values: rustc_index::vec::IndexVec::from_elem_n( - crate::infer::lexical_region_resolve::VarValue::Value(self.tcx.lifetimes.re_erased), - var_infos.len(), - ), - }; - - let old_value = self.lexical_region_resolutions.replace(Some(lexical_region_resolutions)); - assert!(old_value.is_none()); - } - - /// Process the region constraints and return any errors that - /// result. After this, no more unification operations should be - /// done -- or the compiler will panic -- but it is legal to use - /// `resolve_vars_if_possible` as well as `fully_resolve`. - pub fn resolve_regions( - &self, - outlives_env: &OutlivesEnvironment<'tcx>, - ) -> Vec<RegionResolutionError<'tcx>> { - let (var_infos, data) = { - let mut inner = self.inner.borrow_mut(); - let inner = &mut *inner; - assert!( - self.tainted_by_errors().is_some() || inner.region_obligations.is_empty(), - "region_obligations not empty: {:#?}", - inner.region_obligations - ); - inner - .region_constraint_storage - .take() - .expect("regions already resolved") - .with_log(&mut inner.undo_log) - .into_infos_and_data() - }; - - let region_rels = &RegionRelations::new(self.tcx, outlives_env.free_region_map()); - - let (lexical_region_resolutions, errors) = - lexical_region_resolve::resolve(outlives_env.param_env, region_rels, var_infos, data); - - let old_value = self.lexical_region_resolutions.replace(Some(lexical_region_resolutions)); - assert!(old_value.is_none()); - - errors - } - /// Obtains (and clears) the current set of region - /// constraints. The inference context is still usable: further - /// unifications will simply add new constraints. - /// - /// This method is not meant to be used with normal lexical region - /// resolution. Rather, it is used in the NLL mode as a kind of - /// interim hack: basically we run normal type-check and generate - /// region constraints as normal, but then we take them and - /// translate them into the form that the NLL solver - /// understands. See the NLL module for mode details. - pub fn take_and_reset_region_constraints(&self) -> RegionConstraintData<'tcx> { - assert!( - self.inner.borrow().region_obligations.is_empty(), - "region_obligations not empty: {:#?}", - self.inner.borrow().region_obligations - ); - - self.inner.borrow_mut().unwrap_region_constraints().take_and_reset_data() - } - - /// Gives temporary access to the region constraint data. - pub fn with_region_constraints<R>( - &self, - op: impl FnOnce(&RegionConstraintData<'tcx>) -> R, - ) -> R { - let mut inner = self.inner.borrow_mut(); - op(inner.unwrap_region_constraints().data()) - } - pub fn region_var_origin(&self, vid: ty::RegionVid) -> RegionVariableOrigin { let mut inner = self.inner.borrow_mut(); let inner = &mut *inner; @@ -1667,10 +1577,10 @@ impl<'tcx> InferCtxt<'tcx> { (TyOrConstInferVar::Ty(ty_var), Ok(inner)) => { use self::type_variable::TypeVariableValue; - match inner.try_type_variables_probe_ref(ty_var) { - Some(TypeVariableValue::Unknown { .. }) => true, - _ => false, - } + matches!( + inner.try_type_variables_probe_ref(ty_var), + Some(TypeVariableValue::Unknown { .. }) + ) } _ => false, }; @@ -1754,56 +1664,6 @@ impl<'cx, 'tcx> Drop for CanonicalizationCtxtGuard<'cx, 'tcx> { } impl<'tcx> TypeErrCtxt<'_, 'tcx> { - /// Processes registered region obliations and resolves regions, reporting - /// any errors if any were raised. Prefer using this function over manually - /// calling `resolve_regions_and_report_errors`. - pub fn check_region_obligations_and_report_errors( - &self, - generic_param_scope: LocalDefId, - outlives_env: &OutlivesEnvironment<'tcx>, - ) -> Result<(), ErrorGuaranteed> { - self.process_registered_region_obligations( - outlives_env.region_bound_pairs(), - outlives_env.param_env, - ); - - self.resolve_regions_and_report_errors(generic_param_scope, outlives_env) - } - - /// Process the region constraints and report any errors that - /// result. After this, no more unification operations should be - /// done -- or the compiler will panic -- but it is legal to use - /// `resolve_vars_if_possible` as well as `fully_resolve`. - /// - /// Make sure to call [`InferCtxt::process_registered_region_obligations`] - /// first, or preferably use [`TypeErrCtxt::check_region_obligations_and_report_errors`] - /// to do both of these operations together. - pub fn resolve_regions_and_report_errors( - &self, - generic_param_scope: LocalDefId, - outlives_env: &OutlivesEnvironment<'tcx>, - ) -> Result<(), ErrorGuaranteed> { - let errors = self.resolve_regions(outlives_env); - - if let None = self.tainted_by_errors() { - // As a heuristic, just skip reporting region errors - // altogether if other errors have been reported while - // this infcx was in use. This is totally hokey but - // otherwise we have a hard time separating legit region - // errors from silly ones. - self.report_region_errors(generic_param_scope, &errors); - } - - if errors.is_empty() { - Ok(()) - } else { - Err(self - .tcx - .sess - .delay_span_bug(rustc_span::DUMMY_SP, "error should have been emitted")) - } - } - // [Note-Type-error-reporting] // An invariant is that anytime the expected or actual type is Error (the special // error type, meaning that an error occurred when typechecking this expression), diff --git a/compiler/rustc_infer/src/infer/outlives/mod.rs b/compiler/rustc_infer/src/infer/outlives/mod.rs index 048dad3a48b..9a9a1696b00 100644 --- a/compiler/rustc_infer/src/infer/outlives/mod.rs +++ b/compiler/rustc_infer/src/infer/outlives/mod.rs @@ -1,4 +1,11 @@ //! Various code related to computing outlives relations. +use self::env::OutlivesEnvironment; +use super::region_constraints::RegionConstraintData; +use super::{InferCtxt, RegionResolutionError}; +use crate::infer::free_regions::RegionRelations; +use crate::infer::lexical_region_resolve::{self, LexicalRegionResolutions}; +use rustc_middle::traits::query::OutlivesBound; +use rustc_middle::ty; pub mod components; pub mod env; @@ -6,9 +13,6 @@ pub mod obligations; pub mod test_type_match; pub mod verify; -use rustc_middle::traits::query::OutlivesBound; -use rustc_middle::ty; - #[instrument(level = "debug", skip(param_env), ret)] pub fn explicit_outlives_bounds<'tcx>( param_env: ty::ParamEnv<'tcx>, @@ -39,3 +43,98 @@ pub fn explicit_outlives_bounds<'tcx>( ))) => Some(OutlivesBound::RegionSubRegion(r_b, r_a)), }) } + +impl<'tcx> InferCtxt<'tcx> { + pub fn skip_region_resolution(&self) { + let (var_infos, _) = { + let mut inner = self.inner.borrow_mut(); + let inner = &mut *inner; + // Note: `inner.region_obligations` may not be empty, because we + // didn't necessarily call `process_registered_region_obligations`. + // This is okay, because that doesn't introduce new vars. + inner + .region_constraint_storage + .take() + .expect("regions already resolved") + .with_log(&mut inner.undo_log) + .into_infos_and_data() + }; + + let lexical_region_resolutions = LexicalRegionResolutions { + values: rustc_index::vec::IndexVec::from_elem_n( + crate::infer::lexical_region_resolve::VarValue::Value(self.tcx.lifetimes.re_erased), + var_infos.len(), + ), + }; + + let old_value = self.lexical_region_resolutions.replace(Some(lexical_region_resolutions)); + assert!(old_value.is_none()); + } + + /// Process the region constraints and return any errors that + /// result. After this, no more unification operations should be + /// done -- or the compiler will panic -- but it is legal to use + /// `resolve_vars_if_possible` as well as `fully_resolve`. + #[must_use] + pub fn resolve_regions( + &self, + outlives_env: &OutlivesEnvironment<'tcx>, + ) -> Vec<RegionResolutionError<'tcx>> { + self.process_registered_region_obligations(outlives_env); + + let (var_infos, data) = { + let mut inner = self.inner.borrow_mut(); + let inner = &mut *inner; + assert!( + self.tainted_by_errors().is_some() || inner.region_obligations.is_empty(), + "region_obligations not empty: {:#?}", + inner.region_obligations + ); + inner + .region_constraint_storage + .take() + .expect("regions already resolved") + .with_log(&mut inner.undo_log) + .into_infos_and_data() + }; + + let region_rels = &RegionRelations::new(self.tcx, outlives_env.free_region_map()); + + let (lexical_region_resolutions, errors) = + lexical_region_resolve::resolve(outlives_env.param_env, region_rels, var_infos, data); + + let old_value = self.lexical_region_resolutions.replace(Some(lexical_region_resolutions)); + assert!(old_value.is_none()); + + errors + } + + /// Obtains (and clears) the current set of region + /// constraints. The inference context is still usable: further + /// unifications will simply add new constraints. + /// + /// This method is not meant to be used with normal lexical region + /// resolution. Rather, it is used in the NLL mode as a kind of + /// interim hack: basically we run normal type-check and generate + /// region constraints as normal, but then we take them and + /// translate them into the form that the NLL solver + /// understands. See the NLL module for mode details. + pub fn take_and_reset_region_constraints(&self) -> RegionConstraintData<'tcx> { + assert!( + self.inner.borrow().region_obligations.is_empty(), + "region_obligations not empty: {:#?}", + self.inner.borrow().region_obligations + ); + + self.inner.borrow_mut().unwrap_region_constraints().take_and_reset_data() + } + + /// Gives temporary access to the region constraint data. + pub fn with_region_constraints<R>( + &self, + op: impl FnOnce(&RegionConstraintData<'tcx>) -> R, + ) -> R { + let mut inner = self.inner.borrow_mut(); + op(inner.unwrap_region_constraints().data()) + } +} diff --git a/compiler/rustc_infer/src/infer/outlives/obligations.rs b/compiler/rustc_infer/src/infer/outlives/obligations.rs index bbe7d4c63f7..ccf11c61b57 100644 --- a/compiler/rustc_infer/src/infer/outlives/obligations.rs +++ b/compiler/rustc_infer/src/infer/outlives/obligations.rs @@ -72,6 +72,8 @@ use rustc_middle::ty::subst::GenericArgKind; use rustc_middle::ty::{self, Region, SubstsRef, Ty, TyCtxt, TypeVisitableExt}; use smallvec::smallvec; +use super::env::OutlivesEnvironment; + impl<'tcx> InferCtxt<'tcx> { /// Registers that the given region obligation must be resolved /// from within the scope of `body_id`. These regions are enqueued @@ -112,39 +114,17 @@ impl<'tcx> InferCtxt<'tcx> { std::mem::take(&mut self.inner.borrow_mut().region_obligations) } - /// NOTE: Prefer using `TypeErrCtxt::check_region_obligations_and_report_errors` - /// instead of calling this directly. - /// /// Process the region obligations that must be proven (during /// `regionck`) for the given `body_id`, given information about - /// the region bounds in scope and so forth. This function must be - /// invoked for all relevant body-ids before region inference is - /// done (or else an assert will fire). + /// the region bounds in scope and so forth. /// /// See the `region_obligations` field of `InferCtxt` for some /// comments about how this function fits into the overall expected /// flow of the inferencer. The key point is that it is /// invoked after all type-inference variables have been bound -- - /// towards the end of regionck. This also ensures that the - /// region-bound-pairs are available (see comments above regarding - /// closures). - /// - /// # Parameters - /// - /// - `region_bound_pairs_map`: the set of region bounds implied by - /// the parameters and where-clauses. In particular, each pair - /// `('a, K)` in this list tells us that the bounds in scope - /// indicate that `K: 'a`, where `K` is either a generic - /// parameter like `T` or a projection like `T::Item`. - /// - `param_env` is the parameter environment for the enclosing function. - /// - `body_id` is the body-id whose region obligations are being - /// processed. - #[instrument(level = "debug", skip(self, region_bound_pairs))] - pub fn process_registered_region_obligations( - &self, - region_bound_pairs: &RegionBoundPairs<'tcx>, - param_env: ty::ParamEnv<'tcx>, - ) { + /// right before lexical region resolution. + #[instrument(level = "debug", skip(self, outlives_env))] + pub fn process_registered_region_obligations(&self, outlives_env: &OutlivesEnvironment<'tcx>) { assert!( !self.in_snapshot.get(), "cannot process registered region obligations in a snapshot" @@ -153,15 +133,16 @@ impl<'tcx> InferCtxt<'tcx> { let my_region_obligations = self.take_registered_region_obligations(); for RegionObligation { sup_type, sub_region, origin } in my_region_obligations { - debug!( - "process_registered_region_obligations: sup_type={:?} sub_region={:?} origin={:?}", - sup_type, sub_region, origin - ); - + debug!(?sup_type, ?sub_region, ?origin); let sup_type = self.resolve_vars_if_possible(sup_type); - let outlives = - &mut TypeOutlives::new(self, self.tcx, ®ion_bound_pairs, None, param_env); + let outlives = &mut TypeOutlives::new( + self, + self.tcx, + &outlives_env.region_bound_pairs(), + None, + outlives_env.param_env, + ); let category = origin.to_constraint_category(); outlives.type_must_outlive(origin, sup_type, sub_region, category); } diff --git a/compiler/rustc_infer/src/traits/engine.rs b/compiler/rustc_infer/src/traits/engine.rs index f75344f20b6..b8940e2f045 100644 --- a/compiler/rustc_infer/src/traits/engine.rs +++ b/compiler/rustc_infer/src/traits/engine.rs @@ -36,9 +36,10 @@ pub trait TraitEngine<'tcx>: 'tcx { obligation: PredicateObligation<'tcx>, ); + #[must_use] fn select_where_possible(&mut self, infcx: &InferCtxt<'tcx>) -> Vec<FulfillmentError<'tcx>>; - fn collect_remaining_errors(&mut self) -> Vec<FulfillmentError<'tcx>>; + fn collect_remaining_errors(&mut self, infcx: &InferCtxt<'tcx>) -> Vec<FulfillmentError<'tcx>>; fn pending_obligations(&self) -> Vec<PredicateObligation<'tcx>>; @@ -58,6 +59,7 @@ pub trait TraitEngineExt<'tcx> { obligations: impl IntoIterator<Item = PredicateObligation<'tcx>>, ); + #[must_use] fn select_all_or_error(&mut self, infcx: &InferCtxt<'tcx>) -> Vec<FulfillmentError<'tcx>>; } @@ -78,6 +80,6 @@ impl<'tcx, T: ?Sized + TraitEngine<'tcx>> TraitEngineExt<'tcx> for T { return errors; } - self.collect_remaining_errors() + self.collect_remaining_errors(infcx) } } diff --git a/compiler/rustc_infer/src/traits/mod.rs b/compiler/rustc_infer/src/traits/mod.rs index dd9b2e548c7..9dd4f0a8e4c 100644 --- a/compiler/rustc_infer/src/traits/mod.rs +++ b/compiler/rustc_infer/src/traits/mod.rs @@ -89,10 +89,10 @@ impl<'tcx> PredicateObligation<'tcx> { impl<'tcx> TraitObligation<'tcx> { /// Returns `true` if the trait predicate is considered `const` in its ParamEnv. pub fn is_const(&self) -> bool { - match (self.predicate.skip_binder().constness, self.param_env.constness()) { - (ty::BoundConstness::ConstIfConst, hir::Constness::Const) => true, - _ => false, - } + matches!( + (self.predicate.skip_binder().constness, self.param_env.constness()), + (ty::BoundConstness::ConstIfConst, hir::Constness::Const) + ) } pub fn derived_cause( @@ -128,7 +128,11 @@ pub enum FulfillmentErrorCode<'tcx> { CodeProjectionError(MismatchedProjectionTypes<'tcx>), CodeSubtypeError(ExpectedFound<Ty<'tcx>>, TypeError<'tcx>), // always comes from a SubtypePredicate CodeConstEquateError(ExpectedFound<Const<'tcx>>, TypeError<'tcx>), - CodeAmbiguity, + CodeAmbiguity { + /// Overflow reported from the new solver `-Ztrait-solver=next`, which will + /// be reported as an regular error as opposed to a fatal error. + overflow: bool, + }, } impl<'tcx, O> Obligation<'tcx, O> { diff --git a/compiler/rustc_infer/src/traits/structural_impls.rs b/compiler/rustc_infer/src/traits/structural_impls.rs index 3a5273b0359..1563d92af0e 100644 --- a/compiler/rustc_infer/src/traits/structural_impls.rs +++ b/compiler/rustc_infer/src/traits/structural_impls.rs @@ -46,7 +46,8 @@ impl<'tcx> fmt::Debug for traits::FulfillmentErrorCode<'tcx> { super::CodeConstEquateError(ref a, ref b) => { write!(f, "CodeConstEquateError({:?}, {:?})", a, b) } - super::CodeAmbiguity => write!(f, "Ambiguity"), + super::CodeAmbiguity { overflow: false } => write!(f, "Ambiguity"), + super::CodeAmbiguity { overflow: true } => write!(f, "Overflow"), super::CodeCycle(ref cycle) => write!(f, "Cycle({:?})", cycle), } } diff --git a/compiler/rustc_infer/src/traits/util.rs b/compiler/rustc_infer/src/traits/util.rs index c7f7ed14940..ef01d5d513b 100644 --- a/compiler/rustc_infer/src/traits/util.rs +++ b/compiler/rustc_infer/src/traits/util.rs @@ -69,6 +69,7 @@ impl<'tcx> Extend<ty::Predicate<'tcx>> for PredicateSet<'tcx> { pub struct Elaborator<'tcx, O> { stack: Vec<O>, visited: PredicateSet<'tcx>, + only_self: bool, } /// Describes how to elaborate an obligation into a sub-obligation. @@ -170,7 +171,8 @@ pub fn elaborate<'tcx, O: Elaboratable<'tcx>>( tcx: TyCtxt<'tcx>, obligations: impl IntoIterator<Item = O>, ) -> Elaborator<'tcx, O> { - let mut elaborator = Elaborator { stack: Vec::new(), visited: PredicateSet::new(tcx) }; + let mut elaborator = + Elaborator { stack: Vec::new(), visited: PredicateSet::new(tcx), only_self: false }; elaborator.extend_deduped(obligations); elaborator } @@ -185,14 +187,25 @@ impl<'tcx, O: Elaboratable<'tcx>> Elaborator<'tcx, O> { self.stack.extend(obligations.into_iter().filter(|o| self.visited.insert(o.predicate()))); } + /// Filter to only the supertraits of trait predicates, i.e. only the predicates + /// that have `Self` as their self type, instead of all implied predicates. + pub fn filter_only_self(mut self) -> Self { + self.only_self = true; + self + } + fn elaborate(&mut self, elaboratable: &O) { let tcx = self.visited.tcx; let bound_predicate = elaboratable.predicate().kind(); match bound_predicate.skip_binder() { ty::PredicateKind::Clause(ty::Clause::Trait(data)) => { - // Get predicates declared on the trait. - let predicates = tcx.super_predicates_of(data.def_id()); + // Get predicates implied by the trait, or only super predicates if we only care about self predicates. + let predicates = if self.only_self { + tcx.super_predicates_of(data.def_id()) + } else { + tcx.implied_predicates_of(data.def_id()) + }; let obligations = predicates.predicates.iter().enumerate().map(|(index, &(mut pred, span))| { @@ -350,18 +363,16 @@ pub fn supertraits<'tcx>( tcx: TyCtxt<'tcx>, trait_ref: ty::PolyTraitRef<'tcx>, ) -> impl Iterator<Item = ty::PolyTraitRef<'tcx>> { - let pred: ty::Predicate<'tcx> = trait_ref.to_predicate(tcx); - FilterToTraits::new(elaborate(tcx, [pred])) + elaborate(tcx, [trait_ref.to_predicate(tcx)]).filter_only_self().filter_to_traits() } pub fn transitive_bounds<'tcx>( tcx: TyCtxt<'tcx>, trait_refs: impl Iterator<Item = ty::PolyTraitRef<'tcx>>, ) -> impl Iterator<Item = ty::PolyTraitRef<'tcx>> { - FilterToTraits::new(elaborate( - tcx, - trait_refs.map(|trait_ref| -> ty::Predicate<'tcx> { trait_ref.to_predicate(tcx) }), - )) + elaborate(tcx, trait_refs.map(|trait_ref| trait_ref.to_predicate(tcx))) + .filter_only_self() + .filter_to_traits() } /// A specialized variant of `elaborate` that only elaborates trait references that may @@ -381,10 +392,8 @@ pub fn transitive_bounds_that_define_assoc_type<'tcx>( while let Some(trait_ref) = stack.pop() { let anon_trait_ref = tcx.anonymize_bound_vars(trait_ref); if visited.insert(anon_trait_ref) { - let super_predicates = tcx.super_predicates_that_define_assoc_type(( - trait_ref.def_id(), - Some(assoc_name), - )); + let super_predicates = + tcx.super_predicates_that_define_assoc_type((trait_ref.def_id(), assoc_name)); for (super_predicate, _) in super_predicates.predicates { let subst_predicate = super_predicate.subst_supertrait(tcx, &trait_ref); if let Some(binder) = subst_predicate.to_opt_poly_trait_pred() { @@ -404,18 +413,18 @@ pub fn transitive_bounds_that_define_assoc_type<'tcx>( // Other /////////////////////////////////////////////////////////////////////////// +impl<'tcx> Elaborator<'tcx, ty::Predicate<'tcx>> { + fn filter_to_traits(self) -> FilterToTraits<Self> { + FilterToTraits { base_iterator: self } + } +} + /// A filter around an iterator of predicates that makes it yield up /// just trait references. pub struct FilterToTraits<I> { base_iterator: I, } -impl<I> FilterToTraits<I> { - fn new(base: I) -> FilterToTraits<I> { - FilterToTraits { base_iterator: base } - } -} - impl<'tcx, I: Iterator<Item = ty::Predicate<'tcx>>> Iterator for FilterToTraits<I> { type Item = ty::PolyTraitRef<'tcx>; diff --git a/compiler/rustc_lexer/src/lib.rs b/compiler/rustc_lexer/src/lib.rs index 322ec31fb2c..b3f4b5cd5e5 100644 --- a/compiler/rustc_lexer/src/lib.rs +++ b/compiler/rustc_lexer/src/lib.rs @@ -95,7 +95,7 @@ pub enum TokenKind { Literal { kind: LiteralKind, suffix_start: u32 }, /// "'a" - Lifetime { starts_with_number: bool, contains_emoji: bool }, + Lifetime { starts_with_number: bool }, // One-char tokens: /// ";" @@ -632,13 +632,7 @@ impl Cursor<'_> { // If the first symbol is valid for identifier, it can be a lifetime. // Also check if it's a number for a better error reporting (so '0 will // be reported as invalid lifetime and not as unterminated char literal). - // We also have to account for potential `'🐱` emojis to avoid reporting - // it as an unterminated char literal. - is_id_start(self.first()) - || self.first().is_digit(10) - // FIXME(#108019): `unic-emoji-char` seems to have data tables only up to Unicode - // 5.0, but Unicode is already newer than this. - || unic_emoji_char::is_emoji(self.first()) + is_id_start(self.first()) || self.first().is_digit(10) }; if !can_be_a_lifetime { @@ -651,33 +645,16 @@ impl Cursor<'_> { return Literal { kind, suffix_start }; } - // Either a lifetime or a character literal. + // Either a lifetime or a character literal with + // length greater than 1. let starts_with_number = self.first().is_digit(10); - let mut contains_emoji = false; - // FIXME(#108019): `unic-emoji-char` seems to have data tables only up to Unicode - // 5.0, but Unicode is already newer than this. - if unic_emoji_char::is_emoji(self.first()) { - contains_emoji = true; - } else { - // Skip the literal contents. - // First symbol can be a number (which isn't a valid identifier start), - // so skip it without any checks. - self.bump(); - } - self.eat_while(|c| { - if is_id_continue(c) { - true - // FIXME(#108019): `unic-emoji-char` seems to have data tables only up to Unicode - // 5.0, but Unicode is already newer than this. - } else if unic_emoji_char::is_emoji(c) { - contains_emoji = true; - true - } else { - false - } - }); + // Skip the literal contents. + // First symbol can be a number (which isn't a valid identifier start), + // so skip it without any checks. + self.bump(); + self.eat_while(is_id_continue); // Check if after skipping literal contents we've met a closing // single quote (which means that user attempted to create a @@ -687,7 +664,7 @@ impl Cursor<'_> { let kind = Char { terminated: true }; Literal { kind, suffix_start: self.pos_within_token() } } else { - Lifetime { starts_with_number, contains_emoji } + Lifetime { starts_with_number } } } diff --git a/compiler/rustc_lexer/src/tests.rs b/compiler/rustc_lexer/src/tests.rs index 670d64fb983..e4c1787f2cc 100644 --- a/compiler/rustc_lexer/src/tests.rs +++ b/compiler/rustc_lexer/src/tests.rs @@ -235,7 +235,7 @@ fn lifetime() { check_lexing( "'abc", expect![[r#" - Token { kind: Lifetime { starts_with_number: false, contains_emoji: false }, len: 4 } + Token { kind: Lifetime { starts_with_number: false }, len: 4 } "#]], ); } diff --git a/compiler/rustc_lint/messages.ftl b/compiler/rustc_lint/messages.ftl index d9c8142226d..db15b176df0 100644 --- a/compiler/rustc_lint/messages.ftl +++ b/compiler/rustc_lint/messages.ftl @@ -91,7 +91,7 @@ lint_ty_qualified = usage of qualified `ty::{$ty}` lint_lintpass_by_hand = implementing `LintPass` by hand .help = try using `declare_lint_pass!` or `impl_lint_pass!` instead -lint_non_existant_doc_keyword = found non-existing keyword `{$keyword}` used in `#[doc(keyword = "...")]` +lint_non_existent_doc_keyword = found non-existing keyword `{$keyword}` used in `#[doc(keyword = "...")]` .help = only existing keywords are allowed in core/std lint_diag_out_of_impl = @@ -107,7 +107,7 @@ lint_cstring_ptr = getting the inner pointer of a temporary `CString` .note = pointers do not have a lifetime; when calling `as_ptr` the `CString` will be deallocated at the end of the statement because nothing is referencing it as far as the type system is concerned .help = for more information, see https://doc.rust-lang.org/reference/destructors.html -lint_multple_supertrait_upcastable = `{$ident}` is object-safe and has multiple supertraits +lint_multiple_supertrait_upcastable = `{$ident}` is object-safe and has multiple supertraits lint_identifier_non_ascii_char = identifier contains non-ASCII characters diff --git a/compiler/rustc_lint/src/internal.rs b/compiler/rustc_lint/src/internal.rs index 9c7feadaf87..4ac589c2e10 100644 --- a/compiler/rustc_lint/src/internal.rs +++ b/compiler/rustc_lint/src/internal.rs @@ -2,7 +2,7 @@ //! Clippy. use crate::lints::{ - BadOptAccessDiag, DefaultHashTypesDiag, DiagOutOfImpl, LintPassByHand, NonExistantDocKeyword, + BadOptAccessDiag, DefaultHashTypesDiag, DiagOutOfImpl, LintPassByHand, NonExistentDocKeyword, QueryInstability, TyQualified, TykindDiag, TykindKind, UntranslatableDiag, }; use crate::{EarlyContext, EarlyLintPass, LateContext, LateLintPass, LintContext}; @@ -334,7 +334,7 @@ impl<'tcx> LateLintPass<'tcx> for ExistingDocKeyword { cx.emit_spanned_lint( EXISTING_DOC_KEYWORD, attr.span, - NonExistantDocKeyword { keyword }, + NonExistentDocKeyword { keyword }, ); } } @@ -424,7 +424,7 @@ impl LateLintPass<'_> for Diagnostics { } declare_tool_lint! { - /// The `bad_opt_access` lint detects accessing options by field instad of + /// The `bad_opt_access` lint detects accessing options by field instead of /// the wrapper function. pub rustc::BAD_OPT_ACCESS, Deny, diff --git a/compiler/rustc_lint/src/let_underscore.rs b/compiler/rustc_lint/src/let_underscore.rs index b83a9665fc0..3eefd1b0e08 100644 --- a/compiler/rustc_lint/src/let_underscore.rs +++ b/compiler/rustc_lint/src/let_underscore.rs @@ -25,7 +25,7 @@ declare_lint! { /// /// fn main() { /// #[warn(let_underscore_drop)] - /// // SomeStuct is dropped immediately instead of at end of scope, + /// // SomeStruct is dropped immediately instead of at end of scope, /// // so "Dropping SomeStruct" is printed before "end of main". /// // The order of prints would be reversed if SomeStruct was bound to /// // a name (such as "_foo"). diff --git a/compiler/rustc_lint/src/levels.rs b/compiler/rustc_lint/src/levels.rs index a2a7c93a7ca..bb863f09516 100644 --- a/compiler/rustc_lint/src/levels.rs +++ b/compiler/rustc_lint/src/levels.rs @@ -3,7 +3,7 @@ use crate::{ fluent_generated as fluent, late::unerased_lint_store, lints::{ - DeprecatedLintName, IgnoredUnlessCrateSpecified, OverruledAtributeLint, + DeprecatedLintName, IgnoredUnlessCrateSpecified, OverruledAttributeLint, RenamedOrRemovedLint, RenamedOrRemovedLintSuggestion, UnknownLint, UnknownLintSuggestion, }, }; @@ -612,7 +612,7 @@ impl<'s, P: LintLevelsProvider> LintLevelsBuilder<'s, P> { self.emit_spanned_lint( FORBIDDEN_LINT_GROUPS, src.span().into(), - OverruledAtributeLint { + OverruledAttributeLint { overruled: src.span(), lint_level: level.as_str(), lint_source: src.name(), diff --git a/compiler/rustc_lint/src/lints.rs b/compiler/rustc_lint/src/lints.rs index 8ec4c2b3d46..1d5e02369f5 100644 --- a/compiler/rustc_lint/src/lints.rs +++ b/compiler/rustc_lint/src/lints.rs @@ -806,9 +806,9 @@ pub struct TyQualified { pub struct LintPassByHand; #[derive(LintDiagnostic)] -#[diag(lint_non_existant_doc_keyword)] +#[diag(lint_non_existent_doc_keyword)] #[help] -pub struct NonExistantDocKeyword { +pub struct NonExistentDocKeyword { pub keyword: Symbol, } @@ -875,7 +875,7 @@ impl AddToDiagnostic for NonBindingLetSub { // levels.rs #[derive(LintDiagnostic)] #[diag(lint_overruled_attribute)] -pub struct OverruledAtributeLint<'a> { +pub struct OverruledAttributeLint<'a> { #[label] pub overruled: Span, pub lint_level: &'a str, @@ -947,7 +947,7 @@ pub struct CStringPtr { // multiple_supertrait_upcastable.rs #[derive(LintDiagnostic)] -#[diag(lint_multple_supertrait_upcastable)] +#[diag(lint_multiple_supertrait_upcastable)] pub struct MultipleSupertraitUpcastable { pub ident: Ident, } @@ -1422,7 +1422,7 @@ pub struct UnusedResult<'a> { pub ty: Ty<'a>, } -// FIXME(davidtwco): this isn't properly translatable becauses of the +// FIXME(davidtwco): this isn't properly translatable because of the // pre/post strings #[derive(LintDiagnostic)] #[diag(lint_unused_closure)] @@ -1433,7 +1433,7 @@ pub struct UnusedClosure<'a> { pub post: &'a str, } -// FIXME(davidtwco): this isn't properly translatable becauses of the +// FIXME(davidtwco): this isn't properly translatable because of the // pre/post strings #[derive(LintDiagnostic)] #[diag(lint_unused_generator)] @@ -1444,7 +1444,7 @@ pub struct UnusedGenerator<'a> { pub post: &'a str, } -// FIXME(davidtwco): this isn't properly translatable becauses of the pre/post +// FIXME(davidtwco): this isn't properly translatable because of the pre/post // strings pub struct UnusedDef<'a, 'b> { pub pre: &'a str, diff --git a/compiler/rustc_lint/src/non_ascii_idents.rs b/compiler/rustc_lint/src/non_ascii_idents.rs index f130a98185d..4af879b4e91 100644 --- a/compiler/rustc_lint/src/non_ascii_idents.rs +++ b/compiler/rustc_lint/src/non_ascii_idents.rs @@ -250,7 +250,7 @@ impl EarlyLintPass for NonAsciiIdents { let latin_augmented_script_set = AugmentedScriptSet::for_char('A'); script_states.insert(latin_augmented_script_set, ScriptSetUsage::Verified); - let mut has_suspicous = false; + let mut has_suspicious = false; for (symbol, &sp) in symbols.iter() { let symbol_str = symbol.as_str(); for ch in symbol_str.chars() { @@ -278,14 +278,14 @@ impl EarlyLintPass for NonAsciiIdents { if !is_potential_mixed_script_confusable_char(ch) { ScriptSetUsage::Verified } else { - has_suspicous = true; + has_suspicious = true; ScriptSetUsage::Suspicious(vec![ch], sp) } }); } } - if has_suspicous { + if has_suspicious { let verified_augmented_script_sets = script_states .iter() .flat_map(|(k, v)| match v { diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs index 35c461f5ace..d677d51881e 100644 --- a/compiler/rustc_lint/src/unused.rs +++ b/compiler/rustc_lint/src/unused.rs @@ -255,6 +255,8 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults { ty::Adt(def, _) => is_def_must_use(cx, def.did(), span), ty::Alias(ty::Opaque, ty::AliasTy { def_id: def, .. }) => { elaborate(cx.tcx, cx.tcx.explicit_item_bounds(def).iter().cloned()) + // We only care about self bounds for the impl-trait + .filter_only_self() .find_map(|(pred, _span)| { // We only look at the `DefId`, so it is safe to skip the binder here. if let ty::PredicateKind::Clause(ty::Clause::Trait( @@ -567,36 +569,50 @@ trait UnusedDelimLint { } } - // Prevent false-positives in cases like `fn x() -> u8 { ({ 0 } + 1) }` - let lhs_needs_parens = { + // Check if LHS needs parens to prevent false-positives in cases like `fn x() -> u8 { ({ 0 } + 1) }`. + { let mut innermost = inner; loop { innermost = match &innermost.kind { - ExprKind::Binary(_, lhs, _rhs) => lhs, + ExprKind::Binary(_op, lhs, _rhs) => lhs, ExprKind::Call(fn_, _params) => fn_, ExprKind::Cast(expr, _ty) => expr, ExprKind::Type(expr, _ty) => expr, ExprKind::Index(base, _subscript) => base, - _ => break false, + _ => break, }; if !classify::expr_requires_semi_to_be_stmt(innermost) { - break true; + return true; } } - }; + } - lhs_needs_parens - || (followed_by_block - && match &inner.kind { - ExprKind::Ret(_) - | ExprKind::Break(..) - | ExprKind::Yield(..) - | ExprKind::Yeet(..) => true, - ExprKind::Range(_lhs, Some(rhs), _limits) => { - matches!(rhs.kind, ExprKind::Block(..)) - } - _ => parser::contains_exterior_struct_lit(&inner), - }) + // Check if RHS needs parens to prevent false-positives in cases like `if (() == return) {}`. + if !followed_by_block { + return false; + } + let mut innermost = inner; + loop { + innermost = match &innermost.kind { + ExprKind::Unary(_op, expr) => expr, + ExprKind::Binary(_op, _lhs, rhs) => rhs, + ExprKind::AssignOp(_op, _lhs, rhs) => rhs, + ExprKind::Assign(_lhs, rhs, _span) => rhs, + + ExprKind::Ret(_) | ExprKind::Yield(..) | ExprKind::Yeet(..) => return true, + + ExprKind::Break(_label, None) => return false, + ExprKind::Break(_label, Some(break_expr)) => { + return matches!(break_expr.kind, ExprKind::Block(..)); + } + + ExprKind::Range(_lhs, Some(rhs), _limits) => { + return matches!(rhs.kind, ExprKind::Block(..)); + } + + _ => return parser::contains_exterior_struct_lit(&inner), + } + } } fn emit_unused_delims_expr( @@ -634,20 +650,14 @@ trait UnusedDelimLint { return; } let spans = match value.kind { - ast::ExprKind::Block(ref block, None) if block.stmts.len() == 1 => { - if let Some(span) = block.stmts[0].span.find_ancestor_inside(value.span) { - Some((value.span.with_hi(span.lo()), value.span.with_lo(span.hi()))) - } else { - None - } - } + ast::ExprKind::Block(ref block, None) if block.stmts.len() == 1 => block.stmts[0] + .span + .find_ancestor_inside(value.span) + .map(|span| (value.span.with_hi(span.lo()), value.span.with_lo(span.hi()))), ast::ExprKind::Paren(ref expr) => { - let expr_span = expr.span.find_ancestor_inside(value.span); - if let Some(expr_span) = expr_span { - Some((value.span.with_hi(expr_span.lo()), value.span.with_lo(expr_span.hi()))) - } else { - None - } + expr.span.find_ancestor_inside(value.span).map(|expr_span| { + (value.span.with_hi(expr_span.lo()), value.span.with_lo(expr_span.hi())) + }) } _ => return, }; @@ -926,11 +936,10 @@ impl UnusedParens { // Otherwise proceed with linting. _ => {} } - let spans = if let Some(inner) = inner.span.find_ancestor_inside(value.span) { - Some((value.span.with_hi(inner.lo()), value.span.with_lo(inner.hi()))) - } else { - None - }; + let spans = inner + .span + .find_ancestor_inside(value.span) + .map(|inner| (value.span.with_hi(inner.lo()), value.span.with_lo(inner.hi()))); self.emit_unused_delims(cx, value.span, spans, "pattern", keep_space); } } @@ -1041,11 +1050,11 @@ impl EarlyLintPass for UnusedParens { if self.with_self_ty_parens && b.generic_params.len() > 0 => {} ast::TyKind::ImplTrait(_, bounds) if bounds.len() > 1 => {} _ => { - let spans = if let Some(r) = r.span.find_ancestor_inside(ty.span) { - Some((ty.span.with_hi(r.lo()), ty.span.with_lo(r.hi()))) - } else { - None - }; + let spans = r + .span + .find_ancestor_inside(ty.span) + .map(|r| (ty.span.with_hi(r.lo()), ty.span.with_lo(r.hi()))); + self.emit_unused_delims(cx, ty.span, spans, "type", (false, false)); } } diff --git a/compiler/rustc_lint_defs/src/lib.rs b/compiler/rustc_lint_defs/src/lib.rs index 69a8b691ab2..7ea472ed504 100644 --- a/compiler/rustc_lint_defs/src/lib.rs +++ b/compiler/rustc_lint_defs/src/lib.rs @@ -532,7 +532,7 @@ pub enum BuiltinLintDiagnostics { AmbiguousGlobReexports { /// The name for which collision(s) have occurred. name: String, - /// The name space for whihc the collision(s) occurred in. + /// The name space for which the collision(s) occurred in. namespace: String, /// Span where the name is first re-exported. first_reexport_span: Span, diff --git a/compiler/rustc_log/src/lib.rs b/compiler/rustc_log/src/lib.rs index 21f6a404a01..3cbb2c21e28 100644 --- a/compiler/rustc_log/src/lib.rs +++ b/compiler/rustc_log/src/lib.rs @@ -40,7 +40,6 @@ #![deny(rustc::untranslatable_diagnostic)] #![deny(rustc::diagnostic_outside_of_impl)] -#![feature(is_terminal)] use std::env::{self, VarError}; use std::fmt::{self, Display}; diff --git a/compiler/rustc_macros/src/query.rs b/compiler/rustc_macros/src/query.rs index f85ba38003c..a8b25ff66d7 100644 --- a/compiler/rustc_macros/src/query.rs +++ b/compiler/rustc_macros/src/query.rs @@ -112,9 +112,6 @@ struct QueryModifiers { /// Use a separate query provider for local and extern crates separate_provide_extern: Option<Ident>, - /// Always remap the ParamEnv's constness before hashing. - remap_env_constness: Option<Ident>, - /// Generate a `feed` method to set the query's value from another query. feedable: Option<Ident>, } @@ -130,7 +127,6 @@ fn parse_query_modifiers(input: ParseStream<'_>) -> Result<QueryModifiers> { let mut eval_always = None; let mut depth_limit = None; let mut separate_provide_extern = None; - let mut remap_env_constness = None; let mut feedable = None; while !input.is_empty() { @@ -189,8 +185,6 @@ fn parse_query_modifiers(input: ParseStream<'_>) -> Result<QueryModifiers> { try_insert!(depth_limit = modifier); } else if modifier == "separate_provide_extern" { try_insert!(separate_provide_extern = modifier); - } else if modifier == "remap_env_constness" { - try_insert!(remap_env_constness = modifier); } else if modifier == "feedable" { try_insert!(feedable = modifier); } else { @@ -211,7 +205,6 @@ fn parse_query_modifiers(input: ParseStream<'_>) -> Result<QueryModifiers> { eval_always, depth_limit, separate_provide_extern, - remap_env_constness, feedable, }) } @@ -332,7 +325,6 @@ pub fn rustc_queries(input: TokenStream) -> TokenStream { eval_always, depth_limit, separate_provide_extern, - remap_env_constness, ); if modifiers.cache.is_some() { diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index 77308212c32..2930ce75028 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -1,6 +1,7 @@ // Decoding metadata from a single crate's metadata use crate::creader::{CStore, CrateMetadataRef}; +use crate::rmeta::table::IsDefault; use crate::rmeta::*; use rustc_ast as ast; @@ -995,17 +996,11 @@ impl<'a, 'tcx> CrateMetadataRef<'a> { fn get_mod_child(self, id: DefIndex, sess: &Session) -> ModChild { let ident = self.item_ident(id, sess); - let kind = self.def_kind(id); - let def_id = self.local_def_id(id); - let res = Res::Def(kind, def_id); + let res = Res::Def(self.def_kind(id), self.local_def_id(id)); let vis = self.get_visibility(id); let span = self.get_span(id, sess); - let macro_rules = match kind { - DefKind::Macro(..) => self.root.tables.is_macro_rules.get(self, id), - _ => false, - }; - ModChild { ident, res, vis, span, macro_rules, reexport_chain: Default::default() } + ModChild { ident, res, vis, span, reexport_chain: Default::default() } } /// Iterates over all named children of the given module, @@ -1029,12 +1024,14 @@ impl<'a, 'tcx> CrateMetadataRef<'a> { } else { // Iterate over all children. for child_index in self.root.tables.children.get(self, id).unwrap().decode(self) { + // FIXME: Do not encode RPITITs as a part of this list. if self.root.tables.opt_rpitit_info.get(self, child_index).is_none() { yield self.get_mod_child(child_index, sess); } } - if let Some(reexports) = self.root.tables.module_reexports.get(self, id) { + let reexports = self.root.tables.module_children_reexports.get(self, id); + if !reexports.is_default() { for reexport in reexports.decode((self, sess)) { yield reexport; } diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index 3a50d7c9363..31798afb852 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -253,7 +253,19 @@ provide! { tcx, def_id, other, cdata, .get(cdata, def_id.index) .map(|lazy| lazy.decode((cdata, tcx))) .process_decoded(tcx, || panic!("{def_id:?} does not have trait_impl_trait_tys"))) - } + } + implied_predicates_of => { + cdata + .root + .tables + .implied_predicates_of + .get(cdata, def_id.index) + .map(|lazy| lazy.decode((cdata, tcx))) + .unwrap_or_else(|| { + debug_assert_eq!(tcx.def_kind(def_id), DefKind::Trait); + tcx.super_predicates_of(def_id) + }) + } associated_types_for_impl_traits_in_associated_fn => { table_defaulted_array } diff --git a/compiler/rustc_metadata/src/rmeta/encoder.rs b/compiler/rustc_metadata/src/rmeta/encoder.rs index 77ec03165fb..1109e308cf0 100644 --- a/compiler/rustc_metadata/src/rmeta/encoder.rs +++ b/compiler/rustc_metadata/src/rmeta/encoder.rs @@ -43,7 +43,6 @@ use std::borrow::Borrow; use std::collections::hash_map::Entry; use std::hash::Hash; use std::io::{Read, Seek, Write}; -use std::iter; use std::num::NonZeroUsize; use std::path::{Path, PathBuf}; @@ -456,7 +455,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { } fn encode_info_for_items(&mut self) { - self.encode_info_for_mod(CRATE_DEF_ID, self.tcx.hir().root_module()); + self.encode_info_for_mod(CRATE_DEF_ID); // Proc-macro crates only export proc-macro items, which are looked // up using `proc_macro_data` @@ -824,6 +823,7 @@ fn should_encode_span(def_kind: DefKind) -> bool { | DefKind::TraitAlias | DefKind::AssocTy | DefKind::TyParam + | DefKind::ConstParam | DefKind::Fn | DefKind::Const | DefKind::Static(_) @@ -838,8 +838,7 @@ fn should_encode_span(def_kind: DefKind) -> bool { | DefKind::Impl { .. } | DefKind::Closure | DefKind::Generator => true, - DefKind::ConstParam - | DefKind::ExternCrate + DefKind::ExternCrate | DefKind::Use | DefKind::ForeignMod | DefKind::ImplTraitPlaceholder @@ -1316,11 +1315,15 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { let default = self.tcx.object_lifetime_default(def_id); record!(self.tables.object_lifetime_default[def_id] <- default); } - if let DefKind::Trait | DefKind::TraitAlias = def_kind { + if let DefKind::Trait = def_kind { + record!(self.tables.super_predicates_of[def_id] <- self.tcx.super_predicates_of(def_id)); + } + if let DefKind::TraitAlias = def_kind { record!(self.tables.super_predicates_of[def_id] <- self.tcx.super_predicates_of(def_id)); + record!(self.tables.implied_predicates_of[def_id] <- self.tcx.implied_predicates_of(def_id)); } if let DefKind::Enum | DefKind::Struct | DefKind::Union = def_kind { - self.encode_info_for_adt(def_id); + self.encode_info_for_adt(local_id); } if tcx.impl_method_has_trait_impl_trait_tys(def_id) && let Ok(table) = self.tcx.collect_return_position_impl_trait_in_trait_tys(def_id) @@ -1353,7 +1356,8 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { } #[instrument(level = "trace", skip(self))] - fn encode_info_for_adt(&mut self, def_id: DefId) { + fn encode_info_for_adt(&mut self, local_def_id: LocalDefId) { + let def_id = local_def_id.to_def_id(); let tcx = self.tcx; let adt_def = tcx.adt_def(def_id); record!(self.tables.repr_options[def_id] <- adt_def.repr()); @@ -1362,15 +1366,9 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { record!(self.tables.params_in_repr[def_id] <- params_in_repr); if adt_def.is_enum() { - record_array!(self.tables.children[def_id] <- iter::from_generator(|| - for variant in tcx.adt_def(def_id).variants() { - yield variant.def_id.index; - // Encode constructors which take a separate slot in value namespace. - if let Some(ctor_def_id) = variant.ctor_def_id() { - yield ctor_def_id.index; - } - } - )); + let module_children = tcx.module_children_non_reexports(local_def_id); + record_array!(self.tables.children[def_id] <- + module_children.iter().map(|def_id| def_id.local_def_index)); } else { // For non-enum, there is only one variant, and its def_id is the adt's. debug_assert_eq!(adt_def.variants().len(), 1); @@ -1402,7 +1400,7 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { } } - fn encode_info_for_mod(&mut self, local_def_id: LocalDefId, md: &hir::Mod<'_>) { + fn encode_info_for_mod(&mut self, local_def_id: LocalDefId) { let tcx = self.tcx; let def_id = local_def_id.to_def_id(); debug!("EncodeContext::encode_info_for_mod({:?})", def_id); @@ -1416,38 +1414,12 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { // Encode this here because we don't do it in encode_def_ids. record!(self.tables.expn_that_defined[def_id] <- tcx.expn_that_defined(local_def_id)); } else { - record_array!(self.tables.children[def_id] <- iter::from_generator(|| { - for item_id in md.item_ids { - match tcx.hir().item(*item_id).kind { - // Foreign items are planted into their parent modules - // from name resolution point of view. - hir::ItemKind::ForeignMod { items, .. } => { - for foreign_item in items { - yield foreign_item.id.owner_id.def_id.local_def_index; - } - } - // Only encode named non-reexport children, reexports are encoded - // separately and unnamed items are not used by name resolution. - hir::ItemKind::ExternCrate(..) => continue, - hir::ItemKind::Struct(ref vdata, _) => { - yield item_id.owner_id.def_id.local_def_index; - // Encode constructors which take a separate slot in value namespace. - if let Some(ctor_def_id) = vdata.ctor_def_id() { - yield ctor_def_id.local_def_index; - } - } - _ if tcx.def_key(item_id.owner_id.to_def_id()).get_opt_name().is_some() => { - yield item_id.owner_id.def_id.local_def_index; - } - _ => continue, - } - } - })); + let non_reexports = tcx.module_children_non_reexports(local_def_id); + record_array!(self.tables.children[def_id] <- + non_reexports.iter().map(|def_id| def_id.local_def_index)); - let reexports = tcx.module_reexports(local_def_id); - if !reexports.is_empty() { - record_array!(self.tables.module_reexports[def_id] <- reexports); - } + record_defaulted_array!(self.tables.module_children_reexports[def_id] <- + tcx.module_children_reexports(local_def_id)); } } @@ -1664,8 +1636,8 @@ impl<'a, 'tcx> EncodeContext<'a, 'tcx> { self.tables.is_macro_rules.set(def_id.index, macro_def.macro_rules); record!(self.tables.macro_definition[def_id] <- &*macro_def.body); } - hir::ItemKind::Mod(ref m) => { - self.encode_info_for_mod(item.owner_id.def_id, m); + hir::ItemKind::Mod(..) => { + self.encode_info_for_mod(item.owner_id.def_id); } hir::ItemKind::OpaqueTy(ref opaque) => { self.encode_explicit_item_bounds(def_id); diff --git a/compiler/rustc_metadata/src/rmeta/mod.rs b/compiler/rustc_metadata/src/rmeta/mod.rs index 6dc6041b284..dc77a079b07 100644 --- a/compiler/rustc_metadata/src/rmeta/mod.rs +++ b/compiler/rustc_metadata/src/rmeta/mod.rs @@ -357,6 +357,7 @@ define_tables! { associated_types_for_impl_traits_in_associated_fn: Table<DefIndex, LazyArray<DefId>>, opt_rpitit_info: Table<DefIndex, Option<LazyValue<ty::ImplTraitInTraitData>>>, unused_generic_params: Table<DefIndex, UnusedGenericParams>, + module_children_reexports: Table<DefIndex, LazyArray<ModChild>>, - optional: attributes: Table<DefIndex, LazyArray<ast::Attribute>>, @@ -372,6 +373,9 @@ define_tables! { explicit_predicates_of: Table<DefIndex, LazyValue<ty::GenericPredicates<'static>>>, generics_of: Table<DefIndex, LazyValue<ty::Generics>>, super_predicates_of: Table<DefIndex, LazyValue<ty::GenericPredicates<'static>>>, + // As an optimization, we only store this for trait aliases, + // since it's identical to super_predicates_of for traits. + implied_predicates_of: Table<DefIndex, LazyValue<ty::GenericPredicates<'static>>>, type_of: Table<DefIndex, LazyValue<ty::EarlyBinder<Ty<'static>>>>, variances_of: Table<DefIndex, LazyArray<ty::Variance>>, fn_sig: Table<DefIndex, LazyValue<ty::EarlyBinder<ty::PolyFnSig<'static>>>>, @@ -383,7 +387,6 @@ define_tables! { mir_for_ctfe: Table<DefIndex, LazyValue<mir::Body<'static>>>, mir_generator_witnesses: Table<DefIndex, LazyValue<mir::GeneratorLayout<'static>>>, promoted_mir: Table<DefIndex, LazyValue<IndexVec<mir::Promoted, mir::Body<'static>>>>, - // FIXME(compiler-errors): Why isn't this a LazyArray? thir_abstract_const: Table<DefIndex, LazyValue<ty::Const<'static>>>, impl_parent: Table<DefIndex, RawDefId>, impl_polarity: Table<DefIndex, ty::ImplPolarity>, @@ -412,7 +415,6 @@ define_tables! { assoc_container: Table<DefIndex, ty::AssocItemContainer>, macro_definition: Table<DefIndex, LazyValue<ast::DelimArgs>>, proc_macro: Table<DefIndex, MacroKind>, - module_reexports: Table<DefIndex, LazyArray<ModChild>>, deduced_param_attrs: Table<DefIndex, LazyArray<DeducedParamAttrs>>, trait_impl_trait_tys: Table<DefIndex, LazyValue<FxHashMap<DefId, Ty<'static>>>>, doc_link_resolutions: Table<DefIndex, LazyValue<DocLinkResMap>>, diff --git a/compiler/rustc_middle/src/hir/map/mod.rs b/compiler/rustc_middle/src/hir/map/mod.rs index e551c76f8db..64aff27744f 100644 --- a/compiler/rustc_middle/src/hir/map/mod.rs +++ b/compiler/rustc_middle/src/hir/map/mod.rs @@ -1199,7 +1199,7 @@ pub(super) fn crate_hash(tcx: TyCtxt<'_>, _: LocalCrate) -> Svh { stable_hasher.finish() }); - Svh::new(crate_hash.to_smaller_hash()) + Svh::new(crate_hash) } fn upstream_crates(tcx: TyCtxt<'_>) -> Vec<(StableCrateId, Svh)> { diff --git a/compiler/rustc_middle/src/hir/mod.rs b/compiler/rustc_middle/src/hir/mod.rs index 0d8a8c9cdfd..7770a5e4764 100644 --- a/compiler/rustc_middle/src/hir/mod.rs +++ b/compiler/rustc_middle/src/hir/mod.rs @@ -7,7 +7,7 @@ pub mod nested_filter; pub mod place; use crate::ty::query::Providers; -use crate::ty::{ImplSubject, TyCtxt}; +use crate::ty::{EarlyBinder, ImplSubject, TyCtxt}; use rustc_data_structures::stable_hasher::{HashStable, StableHasher}; use rustc_data_structures::sync::{par_for_each_in, Send, Sync}; use rustc_hir::def_id::{DefId, LocalDefId}; @@ -104,11 +104,11 @@ impl<'tcx> TyCtxt<'tcx> { self.parent_module_from_def_id(id.owner.def_id) } - pub fn impl_subject(self, def_id: DefId) -> ImplSubject<'tcx> { - self.impl_trait_ref(def_id) - .map(|t| t.subst_identity()) - .map(ImplSubject::Trait) - .unwrap_or_else(|| ImplSubject::Inherent(self.type_of(def_id).subst_identity())) + pub fn impl_subject(self, def_id: DefId) -> EarlyBinder<ImplSubject<'tcx>> { + match self.impl_trait_ref(def_id) { + Some(t) => t.map_bound(ImplSubject::Trait), + None => self.type_of(def_id).map_bound(ImplSubject::Inherent), + } } } diff --git a/compiler/rustc_middle/src/infer/canonical.rs b/compiler/rustc_middle/src/infer/canonical.rs index b5b712c367d..c4e41e00520 100644 --- a/compiler/rustc_middle/src/infer/canonical.rs +++ b/compiler/rustc_middle/src/infer/canonical.rs @@ -348,14 +348,6 @@ impl<'tcx, R> Canonical<'tcx, QueryResponse<'tcx, R>> { } } -impl<'tcx, R> Canonical<'tcx, ty::ParamEnvAnd<'tcx, R>> { - #[inline] - pub fn without_const(mut self) -> Self { - self.value = self.value.without_const(); - self - } -} - impl<'tcx, V> Canonical<'tcx, V> { /// Allows you to map the `value` of a canonical while keeping the /// same set of bound variables. @@ -400,10 +392,8 @@ pub type QueryOutlivesConstraint<'tcx> = (ty::OutlivesPredicate<GenericArg<'tcx>, Region<'tcx>>, ConstraintCategory<'tcx>); TrivialTypeTraversalAndLiftImpls! { - for <'tcx> { - crate::infer::canonical::Certainty, - crate::infer::canonical::CanonicalTyVarKind, - } + crate::infer::canonical::Certainty, + crate::infer::canonical::CanonicalTyVarKind, } impl<'tcx> CanonicalVarValues<'tcx> { diff --git a/compiler/rustc_middle/src/infer/unify_key.rs b/compiler/rustc_middle/src/infer/unify_key.rs index d83a587a86a..a873854f068 100644 --- a/compiler/rustc_middle/src/infer/unify_key.rs +++ b/compiler/rustc_middle/src/infer/unify_key.rs @@ -58,7 +58,7 @@ impl<'tcx> UnifyValue for UnifiedRegion<'tcx> { fn unify_values(value1: &Self, value2: &Self) -> Result<Self, NoError> { // We pick the value of the least universe because it is compatible with more variables. - // This is *not* neccessary for soundness, but it allows more region variables to be + // This is *not* necessary for soundness, but it allows more region variables to be // resolved to the said value. #[cold] fn min_universe<'tcx>(r1: Region<'tcx>, r2: Region<'tcx>) -> Region<'tcx> { diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index b4edb02f6c4..2fa769d3abb 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -59,6 +59,7 @@ #![feature(result_option_inspect)] #![feature(const_option)] #![feature(trait_alias)] +#![feature(ptr_alignment_type)] #![recursion_limit = "512"] #![allow(rustc::potential_query_instability)] @@ -99,13 +100,9 @@ pub mod mir; pub mod thir; pub mod traits; pub mod ty; +pub mod util; mod values; -pub mod util { - pub mod bug; - pub mod common; -} - // Allows macros to refer to this crate as `::rustc_middle` extern crate self as rustc_middle; diff --git a/compiler/rustc_middle/src/macros.rs b/compiler/rustc_middle/src/macros.rs index a8d71ce030c..cd1c6c330bc 100644 --- a/compiler/rustc_middle/src/macros.rs +++ b/compiler/rustc_middle/src/macros.rs @@ -1,6 +1,6 @@ /// A macro for triggering an ICE. /// Calling `bug` instead of panicking will result in a nicer error message and should -/// therefore be prefered over `panic`/`unreachable` or others. +/// therefore be preferred over `panic`/`unreachable` or others. /// /// If you have a span available, you should use [`span_bug`] instead. /// @@ -43,34 +43,26 @@ macro_rules! span_bug { #[macro_export] macro_rules! CloneLiftImpls { - (for <$tcx:lifetime> { $($ty:ty,)+ }) => { + ($($ty:ty,)+) => { $( - impl<$tcx> $crate::ty::Lift<$tcx> for $ty { + impl<'tcx> $crate::ty::Lift<'tcx> for $ty { type Lifted = Self; - fn lift_to_tcx(self, _: $crate::ty::TyCtxt<$tcx>) -> Option<Self> { + fn lift_to_tcx(self, _: $crate::ty::TyCtxt<'tcx>) -> Option<Self> { Some(self) } } )+ }; - - ($($ty:ty,)+) => { - CloneLiftImpls! { - for <'tcx> { - $($ty,)+ - } - } - }; } /// Used for types that are `Copy` and which **do not care arena /// allocated data** (i.e., don't need to be folded). #[macro_export] macro_rules! TrivialTypeTraversalImpls { - (for <$tcx:lifetime> { $($ty:ty,)+ }) => { + ($($ty:ty,)+) => { $( - impl<$tcx> $crate::ty::fold::TypeFoldable<$crate::ty::TyCtxt<$tcx>> for $ty { - fn try_fold_with<F: $crate::ty::fold::FallibleTypeFolder<$crate::ty::TyCtxt<$tcx>>>( + impl<'tcx> $crate::ty::fold::TypeFoldable<$crate::ty::TyCtxt<'tcx>> for $ty { + fn try_fold_with<F: $crate::ty::fold::FallibleTypeFolder<$crate::ty::TyCtxt<'tcx>>>( self, _: &mut F, ) -> ::std::result::Result<Self, F::Error> { @@ -78,7 +70,7 @@ macro_rules! TrivialTypeTraversalImpls { } #[inline] - fn fold_with<F: $crate::ty::fold::TypeFolder<$crate::ty::TyCtxt<$tcx>>>( + fn fold_with<F: $crate::ty::fold::TypeFolder<$crate::ty::TyCtxt<'tcx>>>( self, _: &mut F, ) -> Self { @@ -86,9 +78,9 @@ macro_rules! TrivialTypeTraversalImpls { } } - impl<$tcx> $crate::ty::visit::TypeVisitable<$crate::ty::TyCtxt<$tcx>> for $ty { + impl<'tcx> $crate::ty::visit::TypeVisitable<$crate::ty::TyCtxt<'tcx>> for $ty { #[inline] - fn visit_with<F: $crate::ty::visit::TypeVisitor<$crate::ty::TyCtxt<$tcx>>>( + fn visit_with<F: $crate::ty::visit::TypeVisitor<$crate::ty::TyCtxt<'tcx>>>( &self, _: &mut F) -> ::std::ops::ControlFlow<F::BreakTy> @@ -98,14 +90,6 @@ macro_rules! TrivialTypeTraversalImpls { } )+ }; - - ($($ty:ty,)+) => { - TrivialTypeTraversalImpls! { - for<'tcx> { - $($ty,)+ - } - } - }; } #[macro_export] diff --git a/compiler/rustc_middle/src/metadata.rs b/compiler/rustc_middle/src/metadata.rs index fabc6bce731..f3170e0ec0e 100644 --- a/compiler/rustc_middle/src/metadata.rs +++ b/compiler/rustc_middle/src/metadata.rs @@ -43,8 +43,6 @@ pub struct ModChild { pub vis: ty::Visibility<DefId>, /// Span of the item. pub span: Span, - /// A proper `macro_rules` item (not a reexport). - pub macro_rules: bool, /// Reexport chain linking this module child to its original reexported item. /// Empty if the module child is a proper item. pub reexport_chain: SmallVec<[Reexport; 2]>, diff --git a/compiler/rustc_middle/src/mir/interpret/allocation/init_mask.rs b/compiler/rustc_middle/src/mir/interpret/allocation/init_mask.rs index 9a02bc0cc15..d4dd56a42c1 100644 --- a/compiler/rustc_middle/src/mir/interpret/allocation/init_mask.rs +++ b/compiler/rustc_middle/src/mir/interpret/allocation/init_mask.rs @@ -5,7 +5,9 @@ use std::hash; use std::iter; use std::ops::Range; +use rustc_serialize::{Decodable, Encodable}; use rustc_target::abi::Size; +use rustc_type_ir::{TyDecoder, TyEncoder}; use super::AllocRange; @@ -63,7 +65,7 @@ impl InitMask { } /// Sets a specified range to a value. If the range is out-of-bounds, the mask will grow to - /// accomodate it entirely. + /// accommodate it entirely. pub fn set_range(&mut self, range: AllocRange, new_state: bool) { let start = range.start; let end = range.end(); @@ -182,11 +184,39 @@ impl InitMask { /// The actual materialized blocks of the bitmask, when we can't keep the `InitMask` lazy. // Note: for performance reasons when interning, some of the fields can be partially // hashed. (see the `Hash` impl below for more details), so the impl is not derived. -#[derive(Clone, Debug, Eq, PartialEq, TyEncodable, TyDecodable, HashStable)] +#[derive(Clone, Debug, Eq, PartialEq, HashStable)] struct InitMaskMaterialized { blocks: Vec<Block>, } +// `Block` is a `u64`, but it is a bitmask not a numeric value. If we were to just derive +// Encodable and Decodable we would apply varint encoding to the bitmasks, which is slower +// and also produces more output when the high bits of each `u64` are occupied. +// Note: There is probably a remaining optimization for masks that do not use an entire +// `Block`. +impl<E: TyEncoder> Encodable<E> for InitMaskMaterialized { + fn encode(&self, encoder: &mut E) { + encoder.emit_usize(self.blocks.len()); + for block in &self.blocks { + encoder.emit_raw_bytes(&block.to_le_bytes()); + } + } +} + +// This implementation is deliberately not derived, see the matching `Encodable` impl. +impl<D: TyDecoder> Decodable<D> for InitMaskMaterialized { + fn decode(decoder: &mut D) -> Self { + let num_blocks = decoder.read_usize(); + let mut blocks = Vec::with_capacity(num_blocks); + for _ in 0..num_blocks { + let bytes = decoder.read_raw_bytes(8); + let block = u64::from_le_bytes(bytes.try_into().unwrap()); + blocks.push(block); + } + InitMaskMaterialized { blocks } + } +} + // Const allocations are only hashed for interning. However, they can be large, making the hashing // expensive especially since it uses `FxHash`: it's better suited to short keys, not potentially // big buffers like the allocation's init mask. We can partially hash some fields when they're diff --git a/compiler/rustc_middle/src/mir/interpret/allocation/provenance_map.rs b/compiler/rustc_middle/src/mir/interpret/allocation/provenance_map.rs index ddd3f394358..318f93e12b5 100644 --- a/compiler/rustc_middle/src/mir/interpret/allocation/provenance_map.rs +++ b/compiler/rustc_middle/src/mir/interpret/allocation/provenance_map.rs @@ -14,7 +14,7 @@ use rustc_serialize::{Decodable, Decoder, Encodable, Encoder}; #[derive(HashStable)] pub struct ProvenanceMap<Prov = AllocId> { /// Provenance in this map applies from the given offset for an entire pointer-size worth of - /// bytes. Two entires in this map are always at least a pointer size apart. + /// bytes. Two entries in this map are always at least a pointer size apart. ptrs: SortedMap<Size, Prov>, /// Provenance in this map only applies to the given single byte. /// This map is disjoint from the previous. It will always be empty when diff --git a/compiler/rustc_middle/src/mir/mod.rs b/compiler/rustc_middle/src/mir/mod.rs index 56755e588cb..f985aae9a22 100644 --- a/compiler/rustc_middle/src/mir/mod.rs +++ b/compiler/rustc_middle/src/mir/mod.rs @@ -714,9 +714,7 @@ pub enum BindingForm<'tcx> { } TrivialTypeTraversalAndLiftImpls! { - for<'tcx> { - BindingForm<'tcx>, - } + BindingForm<'tcx>, } mod binding_form_impl { @@ -1115,6 +1113,11 @@ pub struct VarDebugInfo<'tcx> { /// Where the data for this user variable is to be found. pub value: VarDebugInfoContents<'tcx>, + + /// When present, indicates what argument number this variable is in the function that it + /// originated from (starting from 1). Note, if MIR inlining is enabled, then this is the + /// argument number in the original function before it was inlined. + pub argument_index: Option<u16>, } /////////////////////////////////////////////////////////////////////////// diff --git a/compiler/rustc_middle/src/mir/type_foldable.rs b/compiler/rustc_middle/src/mir/type_foldable.rs index 9881583214e..ace856b9f95 100644 --- a/compiler/rustc_middle/src/mir/type_foldable.rs +++ b/compiler/rustc_middle/src/mir/type_foldable.rs @@ -25,9 +25,7 @@ TrivialTypeTraversalAndLiftImpls! { } TrivialTypeTraversalImpls! { - for <'tcx> { - ConstValue<'tcx>, - } + ConstValue<'tcx>, } impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for &'tcx [InlineAsmTemplatePiece] { diff --git a/compiler/rustc_middle/src/mir/visit.rs b/compiler/rustc_middle/src/mir/visit.rs index 6c4ea065abe..0a9fcd898b9 100644 --- a/compiler/rustc_middle/src/mir/visit.rs +++ b/compiler/rustc_middle/src/mir/visit.rs @@ -832,6 +832,7 @@ macro_rules! make_mir_visitor { name: _, source_info, value, + argument_index: _, } = var_debug_info; self.visit_source_info(source_info); diff --git a/compiler/rustc_middle/src/query/erase.rs b/compiler/rustc_middle/src/query/erase.rs index 24d98665a7b..7d9aea02289 100644 --- a/compiler/rustc_middle/src/query/erase.rs +++ b/compiler/rustc_middle/src/query/erase.rs @@ -37,7 +37,7 @@ pub fn erase<T: EraseType>(src: T) -> Erase<T> { #[inline(always)] pub fn restore<T: EraseType>(value: Erase<T>) -> T { let value: Erased<<T as EraseType>::Result> = value; - // SAFETY: Due to the use of impl Trait in `Erase` the only way to safetly create an instance + // SAFETY: Due to the use of impl Trait in `Erase` the only way to safely create an instance // of `Erase` is to call `erase`, so we know that `value.data` is a valid instance of `T` of // the right size. unsafe { transmute_copy(&value.data) } diff --git a/compiler/rustc_middle/src/query/keys.rs b/compiler/rustc_middle/src/query/keys.rs index 4a096a2c0e8..23b28ac5ca9 100644 --- a/compiler/rustc_middle/src/query/keys.rs +++ b/compiler/rustc_middle/src/query/keys.rs @@ -26,7 +26,7 @@ pub trait Key: Sized { // // ...But r-a doesn't support them yet and using a default here causes r-a to not infer // return types of queries which is very annoying. Thus, until r-a support associated - // type defaults, plese restrain from using them here <3 + // type defaults, please restrain from using them here <3 // // r-a issue: <https://github.com/rust-lang/rust-analyzer/issues/13693> type CacheSelector; @@ -230,7 +230,7 @@ impl Key for (LocalDefId, LocalDefId) { } } -impl Key for (DefId, Option<Ident>) { +impl Key for (DefId, Ident) { type CacheSelector = DefaultCacheSelector<Self>; fn default_span(&self, tcx: TyCtxt<'_>) -> Span { diff --git a/compiler/rustc_middle/src/query/mod.rs b/compiler/rustc_middle/src/query/mod.rs index a0fce4b47ca..6fc9190b090 100644 --- a/compiler/rustc_middle/src/query/mod.rs +++ b/compiler/rustc_middle/src/query/mod.rs @@ -97,7 +97,7 @@ rustc_queries! { /// Gives access to the HIR ID for the given `LocalDefId` owner `key` if any. /// - /// Definitions that were generated with no HIR, would be feeded to return `None`. + /// Definitions that were generated with no HIR, would be fed to return `None`. query opt_local_def_id_to_hir_id(key: LocalDefId) -> Option<hir::HirId>{ desc { |tcx| "getting HIR ID of `{}`", tcx.def_path_str(key.to_def_id()) } feedable @@ -627,14 +627,20 @@ rustc_queries! { separate_provide_extern } + query implied_predicates_of(key: DefId) -> ty::GenericPredicates<'tcx> { + desc { |tcx| "computing the implied predicates of `{}`", tcx.def_path_str(key) } + cache_on_disk_if { key.is_local() } + separate_provide_extern + } + /// The `Option<Ident>` is the name of an associated type. If it is `None`, then this query /// returns the full set of predicates. If `Some<Ident>`, then the query returns only the /// subset of super-predicates that reference traits that define the given associated type. /// This is used to avoid cycles in resolving types like `T::Item`. - query super_predicates_that_define_assoc_type(key: (DefId, Option<rustc_span::symbol::Ident>)) -> ty::GenericPredicates<'tcx> { - desc { |tcx| "computing the super traits of `{}`{}", + query super_predicates_that_define_assoc_type(key: (DefId, rustc_span::symbol::Ident)) -> ty::GenericPredicates<'tcx> { + desc { |tcx| "computing the super traits of `{}` with associated type name `{}`", tcx.def_path_str(key.0), - if let Some(assoc_name) = key.1 { format!(" with associated type name `{}`", assoc_name) } else { "".to_string() }, + key.1 } } @@ -1088,7 +1094,6 @@ rustc_queries! { key: ty::ParamEnvAnd<'tcx, mir::ConstantKind<'tcx>> ) -> Option<mir::DestructuredConstant<'tcx>> { desc { "destructuring MIR constant"} - remap_env_constness } /// Dereference a constant reference or raw pointer and turn the result into a constant @@ -1097,7 +1102,6 @@ rustc_queries! { key: ty::ParamEnvAnd<'tcx, mir::ConstantKind<'tcx>> ) -> mir::ConstantKind<'tcx> { desc { "dereferencing MIR constant" } - remap_env_constness } query const_caller_location(key: (rustc_span::Symbol, u32, u32)) -> ConstValue<'tcx> { @@ -1340,32 +1344,26 @@ rustc_queries! { /// `ty.is_copy()`, etc, since that will prune the environment where possible. query is_copy_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { desc { "computing whether `{}` is `Copy`", env.value } - remap_env_constness } /// Query backing `Ty::is_sized`. query is_sized_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { desc { "computing whether `{}` is `Sized`", env.value } - remap_env_constness } /// Query backing `Ty::is_freeze`. query is_freeze_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { desc { "computing whether `{}` is freeze", env.value } - remap_env_constness } /// Query backing `Ty::is_unpin`. query is_unpin_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { desc { "computing whether `{}` is `Unpin`", env.value } - remap_env_constness } /// Query backing `Ty::needs_drop`. query needs_drop_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { desc { "computing whether `{}` needs drop", env.value } - remap_env_constness } /// Query backing `Ty::has_significant_drop_raw`. query has_significant_drop_raw(env: ty::ParamEnvAnd<'tcx, Ty<'tcx>>) -> bool { desc { "computing whether `{}` has a significant drop", env.value } - remap_env_constness } /// Query backing `Ty::is_structural_eq_shallow`. @@ -1405,7 +1403,6 @@ rustc_queries! { ) -> Result<ty::layout::TyAndLayout<'tcx>, ty::layout::LayoutError<'tcx>> { depth_limit desc { "computing layout of `{}`", key.value } - remap_env_constness } /// Compute a `FnAbi` suitable for indirect calls, i.e. to `fn` pointers. @@ -1416,7 +1413,6 @@ rustc_queries! { key: ty::ParamEnvAnd<'tcx, (ty::PolyFnSig<'tcx>, &'tcx ty::List<Ty<'tcx>>)> ) -> Result<&'tcx abi::call::FnAbi<'tcx, Ty<'tcx>>, ty::layout::FnAbiError<'tcx>> { desc { "computing call ABI of `{}` function pointers", key.value.0 } - remap_env_constness } /// Compute a `FnAbi` suitable for declaring/defining an `fn` instance, and for @@ -1428,7 +1424,6 @@ rustc_queries! { key: ty::ParamEnvAnd<'tcx, (ty::Instance<'tcx>, &'tcx ty::List<Ty<'tcx>>)> ) -> Result<&'tcx abi::call::FnAbi<'tcx, Ty<'tcx>>, ty::layout::FnAbiError<'tcx>> { desc { "computing call ABI of `{}`", key.value.0 } - remap_env_constness } query dylib_dependency_formats(_: CrateNum) @@ -1510,10 +1505,6 @@ rustc_queries! { desc { "getting traits in scope at a block" } } - query module_reexports(def_id: LocalDefId) -> &'tcx [ModChild] { - desc { |tcx| "looking up reexports of module `{}`", tcx.def_path_str(def_id.to_def_id()) } - } - query impl_defaultness(def_id: DefId) -> hir::Defaultness { desc { |tcx| "looking up whether `{}` is a default impl", tcx.def_path_str(def_id) } cache_on_disk_if { def_id.is_local() } @@ -1935,7 +1926,6 @@ rustc_queries! { NoSolution, > { desc { "normalizing `{}`", goal.value.value } - remap_env_constness } /// Do not call this query directly: invoke `try_normalize_erasing_regions` instead. @@ -1943,7 +1933,6 @@ rustc_queries! { goal: ParamEnvAnd<'tcx, GenericArg<'tcx>> ) -> Result<GenericArg<'tcx>, NoSolution> { desc { "normalizing `{}`", goal.value } - remap_env_constness } query implied_outlives_bounds( @@ -1953,7 +1942,6 @@ rustc_queries! { NoSolution, > { desc { "computing implied outlives bounds for `{}`", goal.value.value } - remap_env_constness } /// Do not call this query directly: @@ -1965,7 +1953,6 @@ rustc_queries! { NoSolution, > { desc { "computing dropck types for `{}`", goal.value.value } - remap_env_constness } /// Do not call this query directly: invoke `infcx.predicate_may_hold()` or @@ -1993,7 +1980,6 @@ rustc_queries! { NoSolution, > { desc { "evaluating `type_op_ascribe_user_type` `{:?}`", goal.value.value } - remap_env_constness } /// Do not call this query directly: part of the `Eq` type-op @@ -2004,7 +1990,6 @@ rustc_queries! { NoSolution, > { desc { "evaluating `type_op_eq` `{:?}`", goal.value.value } - remap_env_constness } /// Do not call this query directly: part of the `Subtype` type-op @@ -2015,7 +2000,6 @@ rustc_queries! { NoSolution, > { desc { "evaluating `type_op_subtype` `{:?}`", goal.value.value } - remap_env_constness } /// Do not call this query directly: part of the `ProvePredicate` type-op @@ -2036,7 +2020,6 @@ rustc_queries! { NoSolution, > { desc { "normalizing `{}`", goal.value.value.value } - remap_env_constness } /// Do not call this query directly: part of the `Normalize` type-op @@ -2047,7 +2030,6 @@ rustc_queries! { NoSolution, > { desc { "normalizing `{:?}`", goal.value.value.value } - remap_env_constness } /// Do not call this query directly: part of the `Normalize` type-op @@ -2058,7 +2040,6 @@ rustc_queries! { NoSolution, > { desc { "normalizing `{:?}`", goal.value.value.value } - remap_env_constness } /// Do not call this query directly: part of the `Normalize` type-op @@ -2069,7 +2050,6 @@ rustc_queries! { NoSolution, > { desc { "normalizing `{:?}`", goal.value.value.value } - remap_env_constness } query subst_and_check_impossible_predicates(key: (DefId, SubstsRef<'tcx>)) -> bool { @@ -2091,7 +2071,6 @@ rustc_queries! { goal: CanonicalTyGoal<'tcx> ) -> MethodAutoderefStepsResult<'tcx> { desc { "computing autoderef types for `{}`", goal.value.value } - remap_env_constness } query supported_target_features(_: CrateNum) -> &'tcx FxHashMap<String, Option<Symbol>> { @@ -2136,7 +2115,6 @@ rustc_queries! { key: ty::ParamEnvAnd<'tcx, (DefId, SubstsRef<'tcx>)> ) -> Result<Option<ty::Instance<'tcx>>, ErrorGuaranteed> { desc { "resolving instance `{}`", ty::Instance::new(key.value.0, key.value.1) } - remap_env_constness } query resolve_instance_of_const_arg( @@ -2146,7 +2124,6 @@ rustc_queries! { "resolving instance of the const argument `{}`", ty::Instance::new(key.value.0.to_def_id(), key.value.2), } - remap_env_constness } query reveal_opaque_types_in_bounds(key: &'tcx ty::List<ty::Predicate<'tcx>>) -> &'tcx ty::List<ty::Predicate<'tcx>> { diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index c312aaf6819..e5356581e6e 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -8,6 +8,7 @@ use crate::arena::Arena; use crate::dep_graph::{DepGraph, DepKindStruct}; use crate::infer::canonical::CanonicalVarInfo; use crate::lint::struct_lint_level; +use crate::metadata::ModChild; use crate::middle::codegen_fn_attrs::CodegenFnAttrs; use crate::middle::resolve_bound_vars; use crate::middle::stability; @@ -1328,9 +1329,12 @@ nop_list_lift! {bound_variable_kinds; ty::BoundVariableKind => ty::BoundVariable // This is the impl for `&'a InternalSubsts<'a>`. nop_list_lift! {substs; GenericArg<'a> => GenericArg<'tcx>} -CloneLiftImpls! { for<'tcx> { - Constness, traits::WellFormedLoc, ImplPolarity, crate::mir::ReturnConstraint, -} } +CloneLiftImpls! { + Constness, + traits::WellFormedLoc, + ImplPolarity, + crate::mir::ReturnConstraint, +} macro_rules! sty_debug_print { ($fmt: expr, $ctxt: expr, $($variant: ident),*) => {{ @@ -2459,6 +2463,28 @@ impl<'tcx> TyCtxt<'tcx> { self.def_kind(def_id) == DefKind::ImplTraitPlaceholder } } + + /// Named module children from all items except `use` and `extern crate` imports. + /// + /// In addition to regular items this list also includes struct or variant constructors, and + /// items inside `extern {}` blocks because all of them introduce names into parent module. + /// For non-reexported children every such name is associated with a separate `DefId`. + /// + /// Module here is understood in name resolution sense - it can be a `mod` item, + /// or a crate root, or an enum, or a trait. + pub fn module_children_non_reexports(self, def_id: LocalDefId) -> &'tcx [LocalDefId] { + self.resolutions(()).module_children_non_reexports.get(&def_id).map_or(&[], |v| &v[..]) + } + + /// Named module children from `use` and `extern crate` imports. + /// + /// Reexported names are not associated with individual `DefId`s, + /// e.g. a glob import can introduce a lot of names, all with the same `DefId`. + /// That's why the list needs to contain `ModChild` structures describing all the names + /// individually instead of `DefId`s. + pub fn module_children_reexports(self, def_id: LocalDefId) -> &'tcx [ModChild] { + self.resolutions(()).module_children_reexports.get(&def_id).map_or(&[], |v| &v[..]) + } } impl<'tcx> TyCtxtAt<'tcx> { @@ -2501,8 +2527,6 @@ pub struct DeducedParamAttrs { } pub fn provide(providers: &mut ty::query::Providers) { - providers.module_reexports = - |tcx, id| tcx.resolutions(()).reexport_map.get(&id).map_or(&[], |v| &v[..]); providers.maybe_unused_trait_imports = |tcx, ()| &tcx.resolutions(()).maybe_unused_trait_imports; providers.names_imported_by_glob_use = |tcx, id| { diff --git a/compiler/rustc_middle/src/ty/fold.rs b/compiler/rustc_middle/src/ty/fold.rs index 203e16bea27..25890eb15cd 100644 --- a/compiler/rustc_middle/src/ty/fold.rs +++ b/compiler/rustc_middle/src/ty/fold.rs @@ -37,7 +37,8 @@ where } fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> { - let r = r.super_fold_with(self); + // This one is a little different, because `super_fold_with` is not + // implemented on non-recursive `Region`. (self.lt_op)(r) } diff --git a/compiler/rustc_middle/src/ty/layout.rs b/compiler/rustc_middle/src/ty/layout.rs index 2328a1324fc..195d951f9f3 100644 --- a/compiler/rustc_middle/src/ty/layout.rs +++ b/compiler/rustc_middle/src/ty/layout.rs @@ -1226,10 +1226,11 @@ pub fn fn_can_unwind(tcx: TyCtxt<'_>, fn_def_id: Option<DefId>, abi: SpecAbi) -> | AvrNonBlockingInterrupt | CCmseNonSecureCall | Wasm - | RustIntrinsic | PlatformIntrinsic | Unadjusted => false, - Rust | RustCall | RustCold => tcx.sess.panic_strategy() == PanicStrategy::Unwind, + Rust | RustCall | RustCold | RustIntrinsic => { + tcx.sess.panic_strategy() == PanicStrategy::Unwind + } } } diff --git a/compiler/rustc_middle/src/ty/list.rs b/compiler/rustc_middle/src/ty/list.rs index 79365ef281b..30f036e471c 100644 --- a/compiler/rustc_middle/src/ty/list.rs +++ b/compiler/rustc_middle/src/ty/list.rs @@ -1,4 +1,5 @@ use crate::arena::Arena; +use rustc_data_structures::aligned::{align_of, Aligned}; use rustc_serialize::{Encodable, Encoder}; use std::alloc::Layout; use std::cmp::Ordering; @@ -198,22 +199,17 @@ impl<'a, T: Copy> IntoIterator for &'a List<T> { unsafe impl<T: Sync> Sync for List<T> {} -unsafe impl<'a, T: 'a> rustc_data_structures::tagged_ptr::Pointer for &'a List<T> { - const BITS: usize = std::mem::align_of::<usize>().trailing_zeros() as usize; - - #[inline] - fn into_usize(self) -> usize { - self as *const List<T> as usize - } - - #[inline] - unsafe fn from_usize(ptr: usize) -> &'a List<T> { - &*(ptr as *const List<T>) - } +// Safety: +// Layouts of `Equivalent<T>` and `List<T>` are the same, modulo opaque tail, +// thus aligns of `Equivalent<T>` and `List<T>` must be the same. +unsafe impl<T> Aligned for List<T> { + const ALIGN: ptr::Alignment = { + #[repr(C)] + struct Equivalent<T> { + _len: usize, + _data: [T; 0], + } - unsafe fn with_ref<R, F: FnOnce(&Self) -> R>(ptr: usize, f: F) -> R { - // `Self` is `&'a List<T>` which impls `Copy`, so this is fine. - let ptr = Self::from_usize(ptr); - f(&ptr) - } + align_of::<Equivalent<T>>() + }; } diff --git a/compiler/rustc_middle/src/ty/mod.rs b/compiler/rustc_middle/src/ty/mod.rs index c856bb25e14..1061c320793 100644 --- a/compiler/rustc_middle/src/ty/mod.rs +++ b/compiler/rustc_middle/src/ty/mod.rs @@ -166,7 +166,8 @@ pub struct ResolverGlobalCtxt { pub effective_visibilities: EffectiveVisibilities, pub extern_crate_map: FxHashMap<LocalDefId, CrateNum>, pub maybe_unused_trait_imports: FxIndexSet<LocalDefId>, - pub reexport_map: FxHashMap<LocalDefId, Vec<ModChild>>, + pub module_children_non_reexports: LocalDefIdMap<Vec<LocalDefId>>, + pub module_children_reexports: LocalDefIdMap<Vec<ModChild>>, pub glob_map: FxHashMap<LocalDefId, FxHashSet<Symbol>>, pub main_def: Option<MainDefinition>, pub trait_impls: FxIndexMap<DefId, Vec<LocalDefId>>, @@ -1626,7 +1627,8 @@ struct ParamTag { } unsafe impl rustc_data_structures::tagged_ptr::Tag for ParamTag { - const BITS: usize = 2; + const BITS: u32 = 2; + #[inline] fn into_usize(self) -> usize { match self { @@ -1636,6 +1638,7 @@ unsafe impl rustc_data_structures::tagged_ptr::Tag for ParamTag { Self { reveal: traits::Reveal::All, constness: hir::Constness::Const } => 3, } } + #[inline] unsafe fn from_usize(ptr: usize) -> Self { match ptr { @@ -1849,12 +1852,6 @@ impl<'tcx, T> ParamEnvAnd<'tcx, T> { pub fn into_parts(self) -> (ParamEnv<'tcx>, T) { (self.param_env, self.value) } - - #[inline] - pub fn without_const(mut self) -> Self { - self.param_env = self.param_env.without_const(); - self - } } #[derive(Copy, Clone, Debug, HashStable, Encodable, Decodable)] @@ -1968,6 +1965,16 @@ impl VariantDef { pub fn ctor_def_id(&self) -> Option<DefId> { self.ctor.map(|(_, def_id)| def_id) } + + /// Returns the one field in this variant. + /// + /// `panic!`s if there are no fields or multiple fields. + #[inline] + pub fn single_field(&self) -> &FieldDef { + assert!(self.fields.len() == 1); + + &self.fields[FieldIdx::from_u32(0)] + } } impl PartialEq for VariantDef { diff --git a/compiler/rustc_middle/src/ty/print/pretty.rs b/compiler/rustc_middle/src/ty/print/pretty.rs index bc0ccc1ebc3..af76cf7cc4e 100644 --- a/compiler/rustc_middle/src/ty/print/pretty.rs +++ b/compiler/rustc_middle/src/ty/print/pretty.rs @@ -1347,7 +1347,7 @@ pub trait PrettyPrinter<'tcx>: p!(write("{}::{}", self.tcx().crate_name(def.did.krate), self.tcx().def_path(def.did).to_string_no_crate_verbose())) } } - defkind => bug!("`{:?}` has unexpcted defkind {:?}", ct, defkind), + defkind => bug!("`{:?}` has unexpected defkind {:?}", ct, defkind), } } ty::ConstKind::Infer(infer_ct) => { @@ -2518,7 +2518,7 @@ impl<'tcx> FmtPrinter<'_, 'tcx> { self.used_region_names.insert(name); } - r.super_visit_with(self) + ControlFlow::Continue(()) } // We collect types in order to prevent really large types from compiling for diff --git a/compiler/rustc_middle/src/ty/query.rs b/compiler/rustc_middle/src/ty/query.rs index fa9fea72344..97592cbc567 100644 --- a/compiler/rustc_middle/src/ty/query.rs +++ b/compiler/rustc_middle/src/ty/query.rs @@ -202,16 +202,6 @@ macro_rules! separate_provide_extern_default { }; } -macro_rules! opt_remap_env_constness { - ([][$name:ident]) => {}; - ([(remap_env_constness) $($rest:tt)*][$name:ident]) => { - let $name = $name.without_const(); - }; - ([$other:tt $($modifiers:tt)*][$name:ident]) => { - opt_remap_env_constness!([$($modifiers)*][$name]) - }; -} - macro_rules! define_callbacks { ( $($(#[$attr:meta])* @@ -353,7 +343,6 @@ macro_rules! define_callbacks { #[inline(always)] pub fn $name(self, key: query_helper_param_ty!($($K)*)) { let key = key.into_query_param(); - opt_remap_env_constness!([$($modifiers)*][key]); match try_get_cached(self.tcx, &self.tcx.query_system.caches.$name, &key) { Some(_) => return, @@ -372,7 +361,6 @@ macro_rules! define_callbacks { #[inline(always)] pub fn $name(self, key: query_helper_param_ty!($($K)*)) { let key = key.into_query_param(); - opt_remap_env_constness!([$($modifiers)*][key]); match try_get_cached(self.tcx, &self.tcx.query_system.caches.$name, &key) { Some(_) => return, @@ -402,7 +390,6 @@ macro_rules! define_callbacks { pub fn $name(self, key: query_helper_param_ty!($($K)*)) -> $V { let key = key.into_query_param(); - opt_remap_env_constness!([$($modifiers)*][key]); restore::<$V>(match try_get_cached(self.tcx, &self.tcx.query_system.caches.$name, &key) { Some(value) => value, @@ -492,7 +479,6 @@ macro_rules! define_feedable { #[inline(always)] pub fn $name(self, value: query_provided::$name<'tcx>) -> $V { let key = self.key().into_query_param(); - opt_remap_env_constness!([$($modifiers)*][key]); let tcx = self.tcx; let erased = query_provided_to_value::$name(tcx, value); diff --git a/compiler/rustc_middle/src/ty/relate.rs b/compiler/rustc_middle/src/ty/relate.rs index 46c931d61dc..c6d10f4741a 100644 --- a/compiler/rustc_middle/src/ty/relate.rs +++ b/compiler/rustc_middle/src/ty/relate.rs @@ -7,7 +7,7 @@ use crate::ty::error::{ExpectedFound, TypeError}; use crate::ty::{self, Expr, ImplSubject, Term, TermKind, Ty, TyCtxt, TypeFoldable}; use crate::ty::{GenericArg, GenericArgKind, SubstsRef}; -use rustc_hir as ast; +use rustc_hir as hir; use rustc_hir::def_id::DefId; use rustc_target::spec::abi; use std::iter; @@ -123,8 +123,8 @@ pub fn relate_type_and_mut<'tcx, R: TypeRelation<'tcx>>( } else { let mutbl = a.mutbl; let (variance, info) = match mutbl { - ast::Mutability::Not => (ty::Covariant, ty::VarianceDiagInfo::None), - ast::Mutability::Mut => { + hir::Mutability::Not => (ty::Covariant, ty::VarianceDiagInfo::None), + hir::Mutability::Mut => { (ty::Invariant, ty::VarianceDiagInfo::Invariant { ty: base_ty, param_index: 0 }) } }; @@ -239,12 +239,12 @@ impl<'tcx> Relate<'tcx> for ty::BoundConstness { } } -impl<'tcx> Relate<'tcx> for ast::Unsafety { +impl<'tcx> Relate<'tcx> for hir::Unsafety { fn relate<R: TypeRelation<'tcx>>( relation: &mut R, - a: ast::Unsafety, - b: ast::Unsafety, - ) -> RelateResult<'tcx, ast::Unsafety> { + a: hir::Unsafety, + b: hir::Unsafety, + ) -> RelateResult<'tcx, hir::Unsafety> { if a != b { Err(TypeError::UnsafetyMismatch(expected_found(relation, a, b))) } else { diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index 5c604bb6db2..7706fdddeb8 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -276,9 +276,7 @@ TrivialTypeTraversalAndLiftImpls! { } TrivialTypeTraversalAndLiftImpls! { - for<'tcx> { - ty::ValTree<'tcx>, - } + ty::ValTree<'tcx>, } /////////////////////////////////////////////////////////////////////////// @@ -583,24 +581,6 @@ impl<'tcx> TypeVisitable<TyCtxt<'tcx>> for ty::Region<'tcx> { } } -impl<'tcx> TypeSuperFoldable<TyCtxt<'tcx>> for ty::Region<'tcx> { - fn try_super_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( - self, - _folder: &mut F, - ) -> Result<Self, F::Error> { - Ok(self) - } -} - -impl<'tcx> TypeSuperVisitable<TyCtxt<'tcx>> for ty::Region<'tcx> { - fn super_visit_with<V: TypeVisitor<TyCtxt<'tcx>>>( - &self, - _visitor: &mut V, - ) -> ControlFlow<V::BreakTy> { - ControlFlow::Continue(()) - } -} - impl<'tcx> TypeFoldable<TyCtxt<'tcx>> for ty::Predicate<'tcx> { fn try_fold_with<F: FallibleTypeFolder<TyCtxt<'tcx>>>( self, diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index 24cbe8e8281..96c1577d52b 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -7,8 +7,8 @@ use crate::ty::subst::{GenericArg, InternalSubsts, SubstsRef}; use crate::ty::visit::ValidateBoundVars; use crate::ty::InferTy::*; use crate::ty::{ - self, AdtDef, Discr, FallibleTypeFolder, Term, Ty, TyCtxt, TypeFlags, TypeFoldable, - TypeSuperFoldable, TypeSuperVisitable, TypeVisitable, TypeVisitableExt, TypeVisitor, + self, AdtDef, Discr, Term, Ty, TyCtxt, TypeFlags, TypeSuperVisitable, TypeVisitable, + TypeVisitableExt, TypeVisitor, }; use crate::ty::{List, ParamEnv}; use hir::def::DefKind; @@ -1156,81 +1156,6 @@ where } } -struct SkipBindersAt<'tcx> { - tcx: TyCtxt<'tcx>, - index: ty::DebruijnIndex, -} - -impl<'tcx> FallibleTypeFolder<TyCtxt<'tcx>> for SkipBindersAt<'tcx> { - type Error = (); - - fn interner(&self) -> TyCtxt<'tcx> { - self.tcx - } - - fn try_fold_binder<T>(&mut self, t: Binder<'tcx, T>) -> Result<Binder<'tcx, T>, Self::Error> - where - T: ty::TypeFoldable<TyCtxt<'tcx>>, - { - self.index.shift_in(1); - let value = t.try_map_bound(|t| t.try_fold_with(self)); - self.index.shift_out(1); - value - } - - fn try_fold_ty(&mut self, ty: Ty<'tcx>) -> Result<Ty<'tcx>, Self::Error> { - if !ty.has_escaping_bound_vars() { - Ok(ty) - } else if let ty::Bound(index, bv) = *ty.kind() { - if index == self.index { - Err(()) - } else { - Ok(self.interner().mk_bound(index.shifted_out(1), bv)) - } - } else { - ty.try_super_fold_with(self) - } - } - - fn try_fold_region(&mut self, r: ty::Region<'tcx>) -> Result<ty::Region<'tcx>, Self::Error> { - if !r.has_escaping_bound_vars() { - Ok(r) - } else if let ty::ReLateBound(index, bv) = r.kind() { - if index == self.index { - Err(()) - } else { - Ok(self.interner().mk_re_late_bound(index.shifted_out(1), bv)) - } - } else { - r.try_super_fold_with(self) - } - } - - fn try_fold_const(&mut self, ct: ty::Const<'tcx>) -> Result<ty::Const<'tcx>, Self::Error> { - if !ct.has_escaping_bound_vars() { - Ok(ct) - } else if let ty::ConstKind::Bound(index, bv) = ct.kind() { - if index == self.index { - Err(()) - } else { - Ok(self.interner().mk_const( - ty::ConstKind::Bound(index.shifted_out(1), bv), - ct.ty().try_fold_with(self)?, - )) - } - } else { - ct.try_super_fold_with(self) - } - } - - fn try_fold_predicate( - &mut self, - p: ty::Predicate<'tcx>, - ) -> Result<ty::Predicate<'tcx>, Self::Error> { - if !p.has_escaping_bound_vars() { Ok(p) } else { p.try_super_fold_with(self) } - } -} - /// Represents the projection of an associated type. /// /// For a projection, this would be `<Ty as Trait<...>>::N`. @@ -1621,19 +1546,24 @@ impl<'tcx> Region<'tcx> { pub fn get_name(self) -> Option<Symbol> { if self.has_name() { - let name = match *self { + match *self { ty::ReEarlyBound(ebr) => Some(ebr.name), ty::ReLateBound(_, br) => br.kind.get_name(), ty::ReFree(fr) => fr.bound_region.get_name(), ty::ReStatic => Some(kw::StaticLifetime), ty::RePlaceholder(placeholder) => placeholder.bound.kind.get_name(), _ => None, - }; - - return name; + } + } else { + None } + } - None + pub fn get_name_or_anon(self) -> Symbol { + match self.get_name() { + Some(name) => name, + None => sym::anon, + } } /// Is this region named by the user? @@ -1767,10 +1697,10 @@ impl<'tcx> Region<'tcx> { matches!(self.kind(), ty::ReVar(_)) } - pub fn as_var(self) -> Option<RegionVid> { + pub fn as_var(self) -> RegionVid { match self.kind() { - ty::ReVar(vid) => Some(vid), - _ => None, + ty::ReVar(vid) => vid, + _ => bug!("expected region {:?} to be of kind ReVar", self), } } } diff --git a/compiler/rustc_middle/src/ty/util.rs b/compiler/rustc_middle/src/ty/util.rs index 4411bcd927d..c8a78ec03d9 100644 --- a/compiler/rustc_middle/src/ty/util.rs +++ b/compiler/rustc_middle/src/ty/util.rs @@ -708,10 +708,6 @@ impl<'tcx> TyCtxt<'tcx> { ty::EarlyBinder(self.explicit_item_bounds(def_id)) } - pub fn bound_impl_subject(self, def_id: DefId) -> ty::EarlyBinder<ty::ImplSubject<'tcx>> { - ty::EarlyBinder(self.impl_subject(def_id)) - } - /// Returns names of captured upvars for closures and generators. /// /// Here are some examples: diff --git a/compiler/rustc_middle/src/ty/visit.rs b/compiler/rustc_middle/src/ty/visit.rs index 08a62c900f9..24a1f04c7e3 100644 --- a/compiler/rustc_middle/src/ty/visit.rs +++ b/compiler/rustc_middle/src/ty/visit.rs @@ -364,7 +364,7 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for ValidateBoundVars<'tcx> { _ => (), }; - r.super_visit_with(self) + ControlFlow::Continue(()) } } diff --git a/compiler/rustc_const_eval/src/util/call_kind.rs b/compiler/rustc_middle/src/util/call_kind.rs index 995363c0edd..627c84c388c 100644 --- a/compiler/rustc_const_eval/src/util/call_kind.rs +++ b/compiler/rustc_middle/src/util/call_kind.rs @@ -2,10 +2,10 @@ //! as well as errors when attempting to call a non-const function in a const //! context. +use crate::ty::subst::SubstsRef; +use crate::ty::{AssocItemContainer, Instance, ParamEnv, Ty, TyCtxt}; use rustc_hir::def_id::DefId; use rustc_hir::{lang_items, LangItem}; -use rustc_middle::ty::subst::SubstsRef; -use rustc_middle::ty::{AssocItemContainer, Instance, ParamEnv, Ty, TyCtxt}; use rustc_span::symbol::Ident; use rustc_span::{sym, DesugaringKind, Span}; diff --git a/compiler/rustc_const_eval/src/util/find_self_call.rs b/compiler/rustc_middle/src/util/find_self_call.rs index 33ad128eeeb..0eab0adf07e 100644 --- a/compiler/rustc_const_eval/src/util/find_self_call.rs +++ b/compiler/rustc_middle/src/util/find_self_call.rs @@ -1,6 +1,6 @@ -use rustc_middle::mir::*; -use rustc_middle::ty::subst::SubstsRef; -use rustc_middle::ty::{self, TyCtxt}; +use crate::mir::*; +use crate::ty::subst::SubstsRef; +use crate::ty::{self, TyCtxt}; use rustc_span::def_id::DefId; /// Checks if the specified `local` is used as the `self` parameter of a method call diff --git a/compiler/rustc_middle/src/util/mod.rs b/compiler/rustc_middle/src/util/mod.rs new file mode 100644 index 00000000000..53b4257899b --- /dev/null +++ b/compiler/rustc_middle/src/util/mod.rs @@ -0,0 +1,7 @@ +pub mod bug; +pub mod call_kind; +pub mod common; +pub mod find_self_call; + +pub use call_kind::{call_kind, CallDesugaringKind, CallKind}; +pub use find_self_call::find_self_call; diff --git a/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs b/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs index 54028dfe87b..931fe1b2433 100644 --- a/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs +++ b/compiler/rustc_mir_build/src/build/custom/parse/instruction.rs @@ -148,6 +148,11 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> { )), ) }, + @call("mir_offset", args) => { + let ptr = self.parse_operand(args[0])?; + let offset = self.parse_operand(args[1])?; + Ok(Rvalue::BinaryOp(BinOp::Offset, Box::new((ptr, offset)))) + }, @call("mir_len", args) => Ok(Rvalue::Len(self.parse_place(args[0])?)), ExprKind::Borrow { borrow_kind, arg } => Ok( Rvalue::Ref(self.tcx.lifetimes.re_erased, *borrow_kind, self.parse_place(*arg)?) diff --git a/compiler/rustc_mir_build/src/build/matches/mod.rs b/compiler/rustc_mir_build/src/build/matches/mod.rs index 2d52102db2c..4926ff85de3 100644 --- a/compiler/rustc_mir_build/src/build/matches/mod.rs +++ b/compiler/rustc_mir_build/src/build/matches/mod.rs @@ -2242,6 +2242,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { name, source_info: debug_source_info, value: VarDebugInfoContents::Place(for_arm_body.into()), + argument_index: None, }); let locals = if has_guard.0 { let ref_for_guard = self.local_decls.push(LocalDecl::<'tcx> { @@ -2260,6 +2261,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { name, source_info: debug_source_info, value: VarDebugInfoContents::Place(ref_for_guard.into()), + argument_index: None, }); LocalsForNode::ForGuard { ref_for_guard, for_arm_body } } else { diff --git a/compiler/rustc_mir_build/src/build/mod.rs b/compiler/rustc_mir_build/src/build/mod.rs index 415f5b1b1e1..bc50bcbc3d0 100644 --- a/compiler/rustc_mir_build/src/build/mod.rs +++ b/compiler/rustc_mir_build/src/build/mod.rs @@ -811,6 +811,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { name, source_info: SourceInfo::outermost(captured_place.var_ident.span), value: VarDebugInfoContents::Place(use_place), + argument_index: None, }); let capture = Capture { captured_place, use_place, mutability }; @@ -827,7 +828,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { expr: &Expr<'tcx>, ) -> BlockAnd<()> { // Allocate locals for the function arguments - for param in arguments.iter() { + for (argument_index, param) in arguments.iter().enumerate() { let source_info = SourceInfo::outermost(param.pat.as_ref().map_or(self.fn_span, |pat| pat.span)); let arg_local = @@ -839,6 +840,7 @@ impl<'a, 'tcx> Builder<'a, 'tcx> { name, source_info, value: VarDebugInfoContents::Place(arg_local.into()), + argument_index: Some(argument_index as u16 + 1), }); } } diff --git a/compiler/rustc_mir_build/src/errors.rs b/compiler/rustc_mir_build/src/errors.rs index 431c3255ab2..dcdeaf008d6 100644 --- a/compiler/rustc_mir_build/src/errors.rs +++ b/compiler/rustc_mir_build/src/errors.rs @@ -384,13 +384,8 @@ impl<'a> IntoDiagnostic<'a> for NonExhaustivePatternsTypeNotEmpty<'_, '_, '_> { diag.span_note(span, fluent::mir_build_def_note); } - let is_variant_list_non_exhaustive = match self.ty.kind() { - ty::Adt(def, _) if def.is_variant_list_non_exhaustive() && !def.did().is_local() => { - true - } - _ => false, - }; - + let is_variant_list_non_exhaustive = matches!(self.ty.kind(), + ty::Adt(def, _) if def.is_variant_list_non_exhaustive() && !def.did().is_local()); if is_variant_list_non_exhaustive { diag.note(fluent::mir_build_non_exhaustive_type_note); } else { @@ -593,7 +588,7 @@ pub struct MultipleMutBorrows { #[primary_span] pub span: Span, #[subdiagnostic] - pub occurences: Vec<Conflict>, + pub occurrences: Vec<Conflict>, } #[derive(Diagnostic)] @@ -602,7 +597,7 @@ pub struct AlreadyBorrowed { #[primary_span] pub span: Span, #[subdiagnostic] - pub occurences: Vec<Conflict>, + pub occurrences: Vec<Conflict>, } #[derive(Diagnostic)] @@ -611,7 +606,7 @@ pub struct AlreadyMutBorrowed { #[primary_span] pub span: Span, #[subdiagnostic] - pub occurences: Vec<Conflict>, + pub occurrences: Vec<Conflict>, } #[derive(Diagnostic)] @@ -620,7 +615,7 @@ pub struct MovedWhileBorrowed { #[primary_span] pub span: Span, #[subdiagnostic] - pub occurences: Vec<Conflict>, + pub occurrences: Vec<Conflict>, } #[derive(Subdiagnostic)] diff --git a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs index 0882b473f10..0ef48c42f87 100644 --- a/compiler/rustc_mir_build/src/thir/pattern/check_match.rs +++ b/compiler/rustc_mir_build/src/thir/pattern/check_match.rs @@ -671,10 +671,8 @@ fn non_exhaustive_match<'p, 'tcx>( }; }; - let is_variant_list_non_exhaustive = match scrut_ty.kind() { - ty::Adt(def, _) if def.is_variant_list_non_exhaustive() && !def.did().is_local() => true, - _ => false, - }; + let is_variant_list_non_exhaustive = matches!(scrut_ty.kind(), + ty::Adt(def, _) if def.is_variant_list_non_exhaustive() && !def.did().is_local()); adt_defined_here(cx, &mut err, scrut_ty, &witnesses); err.note(&format!( @@ -966,30 +964,30 @@ fn check_borrow_conflicts_in_at_patterns<'tcx>(cx: &MatchVisitor<'_, '_, 'tcx>, let report_mut_ref = !conflicts_mut_ref.is_empty(); let report_move_conflict = !conflicts_move.is_empty(); - let mut occurences = match mut_outer { + let mut occurrences = match mut_outer { Mutability::Mut => vec![Conflict::Mut { span: pat.span, name }], Mutability::Not => vec![Conflict::Ref { span: pat.span, name }], }; - occurences.extend(conflicts_mut_mut); - occurences.extend(conflicts_mut_ref); - occurences.extend(conflicts_move); + occurrences.extend(conflicts_mut_mut); + occurrences.extend(conflicts_mut_ref); + occurrences.extend(conflicts_move); // Report errors if any. if report_mut_mut { // Report mutability conflicts for e.g. `ref mut x @ Some(ref mut y)`. - sess.emit_err(MultipleMutBorrows { span: pat.span, occurences }); + sess.emit_err(MultipleMutBorrows { span: pat.span, occurrences }); } else if report_mut_ref { // Report mutability conflicts for e.g. `ref x @ Some(ref mut y)` or the converse. match mut_outer { Mutability::Mut => { - sess.emit_err(AlreadyMutBorrowed { span: pat.span, occurences }); + sess.emit_err(AlreadyMutBorrowed { span: pat.span, occurrences }); } Mutability::Not => { - sess.emit_err(AlreadyBorrowed { span: pat.span, occurences }); + sess.emit_err(AlreadyBorrowed { span: pat.span, occurrences }); } }; } else if report_move_conflict { // Report by-ref and by-move conflicts, e.g. `ref x @ y`. - sess.emit_err(MovedWhileBorrowed { span: pat.span, occurences }); + sess.emit_err(MovedWhileBorrowed { span: pat.span, occurrences }); } } diff --git a/compiler/rustc_mir_dataflow/src/framework/graphviz.rs b/compiler/rustc_mir_dataflow/src/framework/graphviz.rs index c188105eae8..707729f8f21 100644 --- a/compiler/rustc_mir_dataflow/src/framework/graphviz.rs +++ b/compiler/rustc_mir_dataflow/src/framework/graphviz.rs @@ -394,8 +394,8 @@ where ) -> io::Result<()> { let diffs = StateDiffCollector::run(body, block, self.results.results(), self.style); - let mut befores = diffs.before.map(|v| v.into_iter()); - let mut afters = diffs.after.into_iter(); + let mut diffs_before = diffs.before.map(|v| v.into_iter()); + let mut diffs_after = diffs.after.into_iter(); let next_in_dataflow_order = |it: &mut std::vec::IntoIter<_>| { if A::Direction::IS_FORWARD { it.next().unwrap() } else { it.next_back().unwrap() } @@ -405,8 +405,8 @@ where let statement_str = format!("{statement:?}"); let index_str = format!("{i}"); - let after = next_in_dataflow_order(&mut afters); - let before = befores.as_mut().map(next_in_dataflow_order); + let after = next_in_dataflow_order(&mut diffs_after); + let before = diffs_before.as_mut().map(next_in_dataflow_order); self.write_row(w, &index_str, &statement_str, |_this, w, fmt| { if let Some(before) = before { @@ -417,11 +417,11 @@ where })?; } - let after = next_in_dataflow_order(&mut afters); - let before = befores.as_mut().map(next_in_dataflow_order); + let after = next_in_dataflow_order(&mut diffs_after); + let before = diffs_before.as_mut().map(next_in_dataflow_order); - assert!(afters.is_empty()); - assert!(befores.as_ref().map_or(true, ExactSizeIterator::is_empty)); + assert!(diffs_after.is_empty()); + assert!(diffs_before.as_ref().map_or(true, ExactSizeIterator::is_empty)); let terminator = body[block].terminator(); let mut terminator_str = String::new(); diff --git a/compiler/rustc_mir_transform/src/check_alignment.rs b/compiler/rustc_mir_transform/src/check_alignment.rs index 8086a4557b7..c76dc56065c 100644 --- a/compiler/rustc_mir_transform/src/check_alignment.rs +++ b/compiler/rustc_mir_transform/src/check_alignment.rs @@ -1,5 +1,6 @@ use crate::MirPass; use rustc_hir::def_id::DefId; +use rustc_hir::lang_items::LangItem; use rustc_index::vec::IndexVec; use rustc_middle::mir::*; use rustc_middle::mir::{ @@ -17,6 +18,12 @@ impl<'tcx> MirPass<'tcx> for CheckAlignment { } fn run_pass(&self, tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { + // This pass emits new panics. If for whatever reason we do not have a panic + // implementation, running this pass may cause otherwise-valid code to not compile. + if tcx.lang_items().get(LangItem::PanicImpl).is_none() { + return; + } + let basic_blocks = body.basic_blocks.as_mut(); let local_decls = &mut body.local_decls; diff --git a/compiler/rustc_mir_transform/src/check_const_item_mutation.rs b/compiler/rustc_mir_transform/src/check_const_item_mutation.rs index 3d32c586554..57b24c9c552 100644 --- a/compiler/rustc_mir_transform/src/check_const_item_mutation.rs +++ b/compiler/rustc_mir_transform/src/check_const_item_mutation.rs @@ -134,7 +134,12 @@ impl<'tcx> Visitor<'tcx> for ConstMutationChecker<'_, 'tcx> { // the `self` parameter of a method call (as the terminator of our current // BasicBlock). If so, we emit a more specific lint. let method_did = self.target_local.and_then(|target_local| { - crate::util::find_self_call(self.tcx, &self.body, target_local, loc.block) + rustc_middle::util::find_self_call( + self.tcx, + &self.body, + target_local, + loc.block, + ) }); let lint_loc = if method_did.is_some() { self.body.terminator_loc(loc.block) } else { loc }; diff --git a/compiler/rustc_mir_transform/src/const_prop.rs b/compiler/rustc_mir_transform/src/const_prop.rs index 79a9ac7d20c..c0146e3efb0 100644 --- a/compiler/rustc_mir_transform/src/const_prop.rs +++ b/compiler/rustc_mir_transform/src/const_prop.rs @@ -54,7 +54,7 @@ pub struct ConstProp; impl<'tcx> MirPass<'tcx> for ConstProp { fn is_enabled(&self, sess: &rustc_session::Session) -> bool { - sess.mir_opt_level() >= 1 + sess.mir_opt_level() >= 2 } #[instrument(skip(self, tcx), level = "debug")] @@ -854,12 +854,6 @@ impl<'tcx> MutVisitor<'tcx> for ConstPropagator<'_, 'tcx> { } } - fn visit_constant(&mut self, constant: &mut Constant<'tcx>, location: Location) { - trace!("visit_constant: {:?}", constant); - self.super_constant(constant, location); - self.eval_constant(constant); - } - fn visit_assign( &mut self, place: &mut Place<'tcx>, diff --git a/compiler/rustc_mir_transform/src/const_prop_lint.rs b/compiler/rustc_mir_transform/src/const_prop_lint.rs index 699fe44892b..3a105a2abae 100644 --- a/compiler/rustc_mir_transform/src/const_prop_lint.rs +++ b/compiler/rustc_mir_transform/src/const_prop_lint.rs @@ -493,7 +493,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> { cond: &Operand<'tcx>, location: Location, ) -> Option<!> { - let ref value = self.eval_operand(&cond, location)?; + let value = &self.eval_operand(&cond, location)?; trace!("assertion on {:?} should be {:?}", value, expected); let expected = Scalar::from_bool(expected); diff --git a/compiler/rustc_mir_transform/src/coverage/debug.rs b/compiler/rustc_mir_transform/src/coverage/debug.rs index 725883b83fa..e554c470646 100644 --- a/compiler/rustc_mir_transform/src/coverage/debug.rs +++ b/compiler/rustc_mir_transform/src/coverage/debug.rs @@ -292,10 +292,8 @@ impl DebugCounters { } pub fn some_block_label(&self, operand: ExpressionOperandId) -> Option<&String> { - self.some_counters.as_ref().map_or(None, |counters| { - counters - .get(&operand) - .map_or(None, |debug_counter| debug_counter.some_block_label.as_ref()) + self.some_counters.as_ref().and_then(|counters| { + counters.get(&operand).and_then(|debug_counter| debug_counter.some_block_label.as_ref()) }) } diff --git a/compiler/rustc_mir_transform/src/deduce_param_attrs.rs b/compiler/rustc_mir_transform/src/deduce_param_attrs.rs index e5c3fa5646a..8ee08c5be34 100644 --- a/compiler/rustc_mir_transform/src/deduce_param_attrs.rs +++ b/compiler/rustc_mir_transform/src/deduce_param_attrs.rs @@ -9,7 +9,7 @@ use rustc_hir::def_id::LocalDefId; use rustc_index::bit_set::BitSet; use rustc_middle::mir::visit::{NonMutatingUseContext, PlaceContext, Visitor}; use rustc_middle::mir::{Body, Local, Location, Operand, Terminator, TerminatorKind, RETURN_PLACE}; -use rustc_middle::ty::{self, DeducedParamAttrs, ParamEnv, Ty, TyCtxt}; +use rustc_middle::ty::{self, DeducedParamAttrs, Ty, TyCtxt}; use rustc_session::config::OptLevel; /// A visitor that determines which arguments have been mutated. We can't use the mutability field @@ -198,11 +198,12 @@ pub fn deduced_param_attrs<'tcx>( // see [1]. // // [1]: https://github.com/rust-lang/rust/pull/103172#discussion_r999139997 + let param_env = tcx.param_env_reveal_all_normalized(def_id); let mut deduced_param_attrs = tcx.arena.alloc_from_iter( body.local_decls.iter().skip(1).take(body.arg_count).enumerate().map( |(arg_index, local_decl)| DeducedParamAttrs { read_only: !deduce_read_only.mutable_args.contains(arg_index) - && local_decl.ty.is_freeze(tcx, ParamEnv::reveal_all()), + && local_decl.ty.is_freeze(tcx, param_env), }, ), ); diff --git a/compiler/rustc_mir_transform/src/dest_prop.rs b/compiler/rustc_mir_transform/src/dest_prop.rs index 811935aa990..39164917770 100644 --- a/compiler/rustc_mir_transform/src/dest_prop.rs +++ b/compiler/rustc_mir_transform/src/dest_prop.rs @@ -83,7 +83,7 @@ //! that ever have their address taken. Of course that requires actually having alias analysis //! (and a model to build it on), so this might be a bit of a ways off. //! -//! * Various perf improvents. There are a bunch of comments in here marked `PERF` with ideas for +//! * Various perf improvements. There are a bunch of comments in here marked `PERF` with ideas for //! how to do things more efficiently. However, the complexity of the pass as a whole should be //! kept in mind. //! diff --git a/compiler/rustc_mir_transform/src/generator.rs b/compiler/rustc_mir_transform/src/generator.rs index 159780319ba..4c4423721fb 100644 --- a/compiler/rustc_mir_transform/src/generator.rs +++ b/compiler/rustc_mir_transform/src/generator.rs @@ -1556,6 +1556,13 @@ impl<'tcx> MirPass<'tcx> for StateTransform { body.arg_count = 2; // self, resume arg body.spread_arg = None; + // The original arguments to the function are no longer arguments, mark them as such. + // Otherwise they'll conflict with our new arguments, which although they don't have + // argument_index set, will get emitted as unnamed arguments. + for var in &mut body.var_debug_info { + var.argument_index = None; + } + body.generator.as_mut().unwrap().yield_ty = None; body.generator.as_mut().unwrap().generator_layout = Some(layout); diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs index f0cb317f449..1525933aee3 100644 --- a/compiler/rustc_mir_transform/src/inline.rs +++ b/compiler/rustc_mir_transform/src/inline.rs @@ -350,14 +350,8 @@ impl<'tcx> Inliner<'tcx> { callsite: &CallSite<'tcx>, callee_attrs: &CodegenFnAttrs, ) -> Result<(), &'static str> { - match callee_attrs.inline { - InlineAttr::Never => return Err("never inline hint"), - InlineAttr::Always | InlineAttr::Hint => {} - InlineAttr::None => { - if self.tcx.sess.mir_opt_level() <= 2 { - return Err("at mir-opt-level=2, only #[inline] is inlined"); - } - } + if let InlineAttr::Never = callee_attrs.inline { + return Err("never inline hint"); } // Only inline local functions if they would be eligible for cross-crate diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index 2e418c1dafc..fc12d423cb0 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -566,8 +566,6 @@ fn run_optimization_passes<'tcx>(tcx: TyCtxt<'tcx>, body: &mut Body<'tcx>) { &separate_const_switch::SeparateConstSwitch, &simplify::SimplifyLocals::new("before-const-prop"), ©_prop::CopyProp, - // - // FIXME(#70073): This pass is responsible for both optimization as well as some lints. &const_prop::ConstProp, &dataflow_const_prop::DataflowConstProp, // diff --git a/compiler/rustc_mir_transform/src/unreachable_prop.rs b/compiler/rustc_mir_transform/src/unreachable_prop.rs index d4b1cfe4337..bd1724bf842 100644 --- a/compiler/rustc_mir_transform/src/unreachable_prop.rs +++ b/compiler/rustc_mir_transform/src/unreachable_prop.rs @@ -99,7 +99,7 @@ where // // This generates a `switchInt() -> [0: 0, 1: 1, otherwise: unreachable]`, which allows us or LLVM to // turn it into just `x` later. Without the unreachable, such a transformation would be illegal. - // If the otherwise branch is unreachable, we can delete all other unreacahble targets, as they will + // If the otherwise branch is unreachable, we can delete all other unreachable targets, as they will // still point to the unreachable and therefore not lose reachability information. let reachable_iter = targets.iter().filter(|(_, bb)| !is_unreachable(*bb)); diff --git a/compiler/rustc_monomorphize/src/partitioning/default.rs b/compiler/rustc_monomorphize/src/partitioning/default.rs index 482b78d42e3..769e12f77bf 100644 --- a/compiler/rustc_monomorphize/src/partitioning/default.rs +++ b/compiler/rustc_monomorphize/src/partitioning/default.rs @@ -89,7 +89,7 @@ impl<'tcx> Partitioner<'tcx> for DefaultPartitioning { } PreInliningPartitioning { - codegen_units: codegen_units.into_values().map(|codegen_unit| codegen_unit).collect(), + codegen_units: codegen_units.into_values().collect(), roots, internalization_candidates, } diff --git a/compiler/rustc_monomorphize/src/partitioning/mod.rs b/compiler/rustc_monomorphize/src/partitioning/mod.rs index 7ac1c9e057e..18aa0742c09 100644 --- a/compiler/rustc_monomorphize/src/partitioning/mod.rs +++ b/compiler/rustc_monomorphize/src/partitioning/mod.rs @@ -474,7 +474,7 @@ fn collect_and_partition_mono_items(tcx: TyCtxt<'_>, (): ()) -> (&DefIdSet, &[Co (tcx.arena.alloc(mono_items), codegen_units) } -/// Outputs stats about instantation counts and estimated size, per `MonoItem`'s +/// Outputs stats about instantiation counts and estimated size, per `MonoItem`'s /// def, to a file in the given output directory. fn dump_mono_items_stats<'tcx>( tcx: TyCtxt<'tcx>, diff --git a/compiler/rustc_parse/messages.ftl b/compiler/rustc_parse/messages.ftl index e21bbd0217b..f11d0ed0f01 100644 --- a/compiler/rustc_parse/messages.ftl +++ b/compiler/rustc_parse/messages.ftl @@ -738,3 +738,7 @@ parse_box_syntax_removed = `box_syntax` has been removed parse_bad_return_type_notation_output = return type not allowed with return type notation .suggestion = remove the return type + +parse_bad_return_type_notation_dotdot = + return type notation uses `()` instead of `(..)` for elided arguments + .suggestion = remove the `..` diff --git a/compiler/rustc_parse/src/errors.rs b/compiler/rustc_parse/src/errors.rs index aead216b61c..069217165fa 100644 --- a/compiler/rustc_parse/src/errors.rs +++ b/compiler/rustc_parse/src/errors.rs @@ -2324,3 +2324,11 @@ pub(crate) struct BadReturnTypeNotationOutput { #[suggestion(code = "", applicability = "maybe-incorrect")] pub span: Span, } + +#[derive(Diagnostic)] +#[diag(parse_bad_return_type_notation_dotdot)] +pub(crate) struct BadReturnTypeNotationDotDot { + #[primary_span] + #[suggestion(code = "", applicability = "maybe-incorrect")] + pub span: Span, +} diff --git a/compiler/rustc_parse/src/lexer/diagnostics.rs b/compiler/rustc_parse/src/lexer/diagnostics.rs index c4b9fdc81c5..9e6d27bf036 100644 --- a/compiler/rustc_parse/src/lexer/diagnostics.rs +++ b/compiler/rustc_parse/src/lexer/diagnostics.rs @@ -21,7 +21,7 @@ pub struct TokenTreeDiagInfo { pub matching_block_spans: Vec<(Span, Span)>, } -pub fn same_identation_level(sm: &SourceMap, open_sp: Span, close_sp: Span) -> bool { +pub fn same_indentation_level(sm: &SourceMap, open_sp: Span, close_sp: Span) -> bool { match (sm.span_to_margin(open_sp), sm.span_to_margin(close_sp)) { (Some(open_padding), Some(close_padding)) => open_padding == close_padding, _ => false, @@ -67,13 +67,13 @@ pub fn report_suspicious_mismatch_block( let mut matched_spans: Vec<(Span, bool)> = diag_info .matching_block_spans .iter() - .map(|&(open, close)| (open.with_hi(close.lo()), same_identation_level(sm, open, close))) + .map(|&(open, close)| (open.with_hi(close.lo()), same_indentation_level(sm, open, close))) .collect(); // sort by `lo`, so the large block spans in the front matched_spans.sort_by_key(|(span, _)| span.lo()); - // We use larger block whose identation is well to cover those inner mismatched blocks + // We use larger block whose indentation is well to cover those inner mismatched blocks // O(N^2) here, but we are on error reporting path, so it is fine for i in 0..matched_spans.len() { let (block_span, same_ident) = matched_spans[i]; diff --git a/compiler/rustc_parse/src/lexer/mod.rs b/compiler/rustc_parse/src/lexer/mod.rs index e41d0f7047b..9e856c9f212 100644 --- a/compiler/rustc_parse/src/lexer/mod.rs +++ b/compiler/rustc_parse/src/lexer/mod.rs @@ -223,21 +223,16 @@ impl<'a> StringReader<'a> { }; token::Literal(token::Lit { kind, symbol, suffix }) } - rustc_lexer::TokenKind::Lifetime { starts_with_number, contains_emoji } => { + rustc_lexer::TokenKind::Lifetime { starts_with_number } => { // Include the leading `'` in the real identifier, for macro // expansion purposes. See #12512 for the gory details of why // this is necessary. let lifetime_name = self.str_from(start); if starts_with_number { let span = self.mk_sp(start, self.pos); - let mut diag = self.sess.struct_err("lifetimes or labels cannot start with a number"); + let mut diag = self.sess.struct_err("lifetimes cannot start with a number"); diag.set_span(span); diag.stash(span, StashKey::LifetimeIsChar); - } else if contains_emoji { - let span = self.mk_sp(start, self.pos); - let mut diag = self.sess.struct_err("lifetimes or labels cannot contain emojis"); - diag.set_span(span); - diag.stash(span, StashKey::LifetimeContainsEmoji); } let ident = Symbol::intern(lifetime_name); token::Lifetime(ident) diff --git a/compiler/rustc_parse/src/lexer/tokentrees.rs b/compiler/rustc_parse/src/lexer/tokentrees.rs index 36fd1e37d65..7c2c0895193 100644 --- a/compiler/rustc_parse/src/lexer/tokentrees.rs +++ b/compiler/rustc_parse/src/lexer/tokentrees.rs @@ -1,5 +1,5 @@ use super::diagnostics::report_suspicious_mismatch_block; -use super::diagnostics::same_identation_level; +use super::diagnostics::same_indentation_level; use super::diagnostics::TokenTreeDiagInfo; use super::{StringReader, UnmatchedDelim}; use rustc_ast::token::{self, Delimiter, Token}; @@ -153,7 +153,7 @@ impl<'a> TokenTreesReader<'a> { unclosed_delimiter = Some(sp); }; for (brace, brace_span) in &self.diag_info.open_braces { - if same_identation_level(&sm, self.token.span, *brace_span) + if same_indentation_level(&sm, self.token.span, *brace_span) && brace == &close_delim { // high likelihood of these two corresponding diff --git a/compiler/rustc_parse/src/parser/attr.rs b/compiler/rustc_parse/src/parser/attr.rs index e3e7c63e344..e1db19557cf 100644 --- a/compiler/rustc_parse/src/parser/attr.rs +++ b/compiler/rustc_parse/src/parser/attr.rs @@ -45,10 +45,10 @@ impl<'a> Parser<'a> { Some(InnerAttrForbiddenReason::AfterOuterDocComment { prev_doc_comment_span: prev_outer_attr_sp.unwrap(), }) - } else if let Some(prev_outer_attr_sp) = prev_outer_attr_sp { - Some(InnerAttrForbiddenReason::AfterOuterAttribute { prev_outer_attr_sp }) } else { - None + prev_outer_attr_sp.map(|prev_outer_attr_sp| { + InnerAttrForbiddenReason::AfterOuterAttribute { prev_outer_attr_sp } + }) }; let inner_parse_policy = InnerAttrPolicy::Forbidden(inner_error_reason); just_parsed_doc_comment = false; diff --git a/compiler/rustc_parse/src/parser/diagnostics.rs b/compiler/rustc_parse/src/parser/diagnostics.rs index e03ce5d7120..c14c7f2fa0d 100644 --- a/compiler/rustc_parse/src/parser/diagnostics.rs +++ b/compiler/rustc_parse/src/parser/diagnostics.rs @@ -570,15 +570,13 @@ impl<'a> Parser<'a> { let expect = tokens_to_string(&expected); let actual = super::token_descr(&self.token); let (msg_exp, (label_sp, label_exp)) = if expected.len() > 1 { + let fmt = format!("expected one of {expect}, found {actual}"); let short_expect = if expected.len() > 6 { format!("{} possible tokens", expected.len()) } else { - expect.clone() + expect }; - ( - format!("expected one of {expect}, found {actual}"), - (self.prev_token.span.shrink_to_hi(), format!("expected one of {short_expect}")), - ) + (fmt, (self.prev_token.span.shrink_to_hi(), format!("expected one of {short_expect}"))) } else if expected.is_empty() { ( format!("unexpected token: {actual}"), diff --git a/compiler/rustc_parse/src/parser/expr.rs b/compiler/rustc_parse/src/parser/expr.rs index c4605e63cf3..03c82fbd329 100644 --- a/compiler/rustc_parse/src/parser/expr.rs +++ b/compiler/rustc_parse/src/parser/expr.rs @@ -2767,7 +2767,7 @@ impl<'a> Parser<'a> { (token::DotDotEq, token::Gt) ) { // `error_inclusive_range_match_arrow` handles cases like `0..=> {}`, - // so we supress the error here + // so we suppress the error here err.delay_as_bug(); this.bump(); } else { diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs index 6422b8ac1ba..f5fef6ad019 100644 --- a/compiler/rustc_parse/src/parser/item.rs +++ b/compiler/rustc_parse/src/parser/item.rs @@ -2577,14 +2577,12 @@ impl<'a> Parser<'a> { } fn recover_self_param(&mut self) -> bool { - match self - .parse_outer_attributes() - .and_then(|_| self.parse_self_param()) - .map_err(|e| e.cancel()) - { - Ok(Some(_)) => true, - _ => false, - } + matches!( + self.parse_outer_attributes() + .and_then(|_| self.parse_self_param()) + .map_err(|e| e.cancel()), + Ok(Some(_)) + ) } } diff --git a/compiler/rustc_parse/src/parser/nonterminal.rs b/compiler/rustc_parse/src/parser/nonterminal.rs index 7a4d53ed8bb..adb0d372a40 100644 --- a/compiler/rustc_parse/src/parser/nonterminal.rs +++ b/compiler/rustc_parse/src/parser/nonterminal.rs @@ -20,12 +20,10 @@ impl<'a> Parser<'a> { pub fn nonterminal_may_begin_with(kind: NonterminalKind, token: &Token) -> bool { /// Checks whether the non-terminal may contain a single (non-keyword) identifier. fn may_be_ident(nt: &token::Nonterminal) -> bool { - match *nt { - token::NtItem(_) | token::NtBlock(_) | token::NtVis(_) | token::NtLifetime(_) => { - false - } - _ => true, - } + !matches!( + *nt, + token::NtItem(_) | token::NtBlock(_) | token::NtVis(_) | token::NtLifetime(_) + ) } match kind { diff --git a/compiler/rustc_parse/src/parser/path.rs b/compiler/rustc_parse/src/parser/path.rs index f1c9f0109f8..c25c23d849f 100644 --- a/compiler/rustc_parse/src/parser/path.rs +++ b/compiler/rustc_parse/src/parser/path.rs @@ -290,16 +290,17 @@ impl<'a> Parser<'a> { })?; let span = lo.to(self.prev_token.span); AngleBracketedArgs { args, span }.into() - } else if self.token.kind == token::OpenDelim(Delimiter::Parenthesis) + } else if self.may_recover() + && self.token.kind == token::OpenDelim(Delimiter::Parenthesis) // FIXME(return_type_notation): Could also recover `...` here. && self.look_ahead(1, |tok| tok.kind == token::DotDot) { - let lo = self.token.span; self.bump(); + self.sess + .emit_err(errors::BadReturnTypeNotationDotDot { span: self.token.span }); self.bump(); self.expect(&token::CloseDelim(Delimiter::Parenthesis))?; let span = lo.to(self.prev_token.span); - self.sess.gated_spans.gate(sym::return_type_notation, span); if self.eat_noexpect(&token::RArrow) { let lo = self.prev_token.span; @@ -308,7 +309,13 @@ impl<'a> Parser<'a> { .emit_err(errors::BadReturnTypeNotationOutput { span: lo.to(ty.span) }); } - P(GenericArgs::ReturnTypeNotation(span)) + ParenthesizedArgs { + span, + inputs: ThinVec::new(), + inputs_span: span, + output: ast::FnRetTy::Default(self.prev_token.span.shrink_to_hi()), + } + .into() } else { // `(T, U) -> R` let (inputs, _) = self.parse_paren_comma_seq(|p| p.parse_ty())?; @@ -566,13 +573,13 @@ impl<'a> Parser<'a> { }; let span = lo.to(self.prev_token.span); - // Gate associated type bounds, e.g., `Iterator<Item: Ord>`. if let AssocConstraintKind::Bound { .. } = kind { - if gen_args.as_ref().map_or(false, |args| { - matches!(args, GenericArgs::ReturnTypeNotation(..)) - }) { - // This is already gated in `parse_path_segment` + if let Some(ast::GenericArgs::Parenthesized(args)) = &gen_args + && args.inputs.is_empty() + && matches!(args.output, ast::FnRetTy::Default(..)) + { + self.sess.gated_spans.gate(sym::return_type_notation, span); } else { self.sess.gated_spans.gate(sym::associated_type_bounds, span); } diff --git a/compiler/rustc_parse_format/src/lib.rs b/compiler/rustc_parse_format/src/lib.rs index 1c5410c5658..7de84db211e 100644 --- a/compiler/rustc_parse_format/src/lib.rs +++ b/compiler/rustc_parse_format/src/lib.rs @@ -909,7 +909,7 @@ fn find_width_map_from_snippet( // Strip quotes. let snippet = &snippet[1..snippet.len() - 1]; - // Macros like `println` add a newline at the end. That technically doens't make them "literals" anymore, but it's fine + // Macros like `println` add a newline at the end. That technically doesn't make them "literals" anymore, but it's fine // since we will never need to point our spans there, so we lie about it here by ignoring it. // Since there might actually be newlines in the source code, we need to normalize away all trailing newlines. // If we only trimmed it off the input, `format!("\n")` would cause a mismatch as here we they actually match up. diff --git a/compiler/rustc_passes/messages.ftl b/compiler/rustc_passes/messages.ftl index b354dca7cc4..055682a1509 100644 --- a/compiler/rustc_passes/messages.ftl +++ b/compiler/rustc_passes/messages.ftl @@ -627,9 +627,9 @@ passes_attr_application_struct_enum_union = attribute should be applied to a struct, enum, or union .label = not a struct, enum, or union -passes_attr_application_struct_enum_function_union = - attribute should be applied to a struct, enum, function, or union - .label = not a struct, enum, function, or union +passes_attr_application_struct_enum_function_method_union = + attribute should be applied to a struct, enum, function, associated function, or union + .label = not a struct, enum, function, associated function, or union passes_transparent_incompatible = transparent {$target} cannot have other repr hints diff --git a/compiler/rustc_passes/src/check_attr.rs b/compiler/rustc_passes/src/check_attr.rs index 80a93da2b45..085a28626ea 100644 --- a/compiler/rustc_passes/src/check_attr.rs +++ b/compiler/rustc_passes/src/check_attr.rs @@ -1728,7 +1728,9 @@ impl CheckAttrVisitor<'_> { } } sym::align => { - if let (Target::Fn, false) = (target, self.tcx.features().fn_align) { + if let (Target::Fn | Target::Method(MethodKind::Inherent), false) = + (target, self.tcx.features().fn_align) + { feature_err( &self.tcx.sess.parse_sess, sym::fn_align, @@ -1739,10 +1741,14 @@ impl CheckAttrVisitor<'_> { } match target { - Target::Struct | Target::Union | Target::Enum | Target::Fn => continue, + Target::Struct + | Target::Union + | Target::Enum + | Target::Fn + | Target::Method(_) => continue, _ => { self.tcx.sess.emit_err( - errors::AttrApplication::StructEnumFunctionUnion { + errors::AttrApplication::StructEnumFunctionMethodUnion { hint_span: hint.span(), span, }, diff --git a/compiler/rustc_passes/src/dead.rs b/compiler/rustc_passes/src/dead.rs index 91483fe3de7..5cfe691df17 100644 --- a/compiler/rustc_passes/src/dead.rs +++ b/compiler/rustc_passes/src/dead.rs @@ -700,6 +700,13 @@ impl<'tcx> DeadVisitor<'tcx> { .collect(); let descr = tcx.def_descr(first_id.to_def_id()); + // `impl` blocks are "batched" and (unlike other batching) might + // contain different kinds of associated items. + let descr = if dead_codes.iter().any(|did| tcx.def_descr(did.to_def_id()) != descr) { + "associated item" + } else { + descr + }; let num = dead_codes.len(); let multiple = num > 6; let name_list = names.into(); @@ -712,12 +719,12 @@ impl<'tcx> DeadVisitor<'tcx> { let parent_info = if let Some(parent_item) = parent_item { let parent_descr = tcx.def_descr(parent_item.to_def_id()); - Some(ParentInfo { - num, - descr, - parent_descr, - span: tcx.def_ident_span(parent_item).unwrap(), - }) + let span = if let DefKind::Impl { .. } = tcx.def_kind(parent_item) { + tcx.def_span(parent_item) + } else { + tcx.def_ident_span(parent_item).unwrap() + }; + Some(ParentInfo { num, descr, parent_descr, span }) } else { None }; @@ -800,16 +807,7 @@ impl<'tcx> DeadVisitor<'tcx> { } fn check_definition(&mut self, def_id: LocalDefId) { - if self.live_symbols.contains(&def_id) { - return; - } - if has_allow_dead_code_or_lang_attr(self.tcx, def_id) { - return; - } - let Some(name) = self.tcx.opt_item_name(def_id.to_def_id()) else { - return - }; - if name.as_str().starts_with('_') { + if self.is_live_code(def_id) { return; } match self.tcx.def_kind(def_id) { @@ -827,6 +825,18 @@ impl<'tcx> DeadVisitor<'tcx> { _ => {} } } + + fn is_live_code(&self, def_id: LocalDefId) -> bool { + // if we cannot get a name for the item, then we just assume that it is + // live. I mean, we can't really emit a lint. + let Some(name) = self.tcx.opt_item_name(def_id.to_def_id()) else { + return true; + }; + + self.live_symbols.contains(&def_id) + || has_allow_dead_code_or_lang_attr(self.tcx, def_id) + || name.as_str().starts_with('_') + } } fn check_mod_deathness(tcx: TyCtxt<'_>, module: LocalDefId) { @@ -836,6 +846,22 @@ fn check_mod_deathness(tcx: TyCtxt<'_>, module: LocalDefId) { let module_items = tcx.hir_module_items(module); for item in module_items.items() { + if let hir::ItemKind::Impl(impl_item) = tcx.hir().item(item).kind { + let mut dead_items = Vec::new(); + for item in impl_item.items { + let did = item.id.owner_id.def_id; + if !visitor.is_live_code(did) { + dead_items.push(did) + } + } + visitor.warn_multiple_dead_codes( + &dead_items, + "used", + Some(item.owner_id.def_id), + false, + ); + } + if !live_symbols.contains(&item.owner_id.def_id) { let parent = tcx.local_parent(item.owner_id.def_id); if parent != module && !live_symbols.contains(&parent) { @@ -900,10 +926,6 @@ fn check_mod_deathness(tcx: TyCtxt<'_>, module: LocalDefId) { } } - for impl_item in module_items.impl_items() { - visitor.check_definition(impl_item.owner_id.def_id); - } - for foreign_item in module_items.foreign_items() { visitor.check_definition(foreign_item.owner_id.def_id); } diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs index 139ba8c9677..e8603b3a2f1 100644 --- a/compiler/rustc_passes/src/errors.rs +++ b/compiler/rustc_passes/src/errors.rs @@ -1355,8 +1355,8 @@ pub enum AttrApplication { #[label] span: Span, }, - #[diag(passes_attr_application_struct_enum_function_union, code = "E0517")] - StructEnumFunctionUnion { + #[diag(passes_attr_application_struct_enum_function_method_union, code = "E0517")] + StructEnumFunctionMethodUnion { #[primary_span] hint_span: Span, #[label] diff --git a/compiler/rustc_passes/src/hir_id_validator.rs b/compiler/rustc_passes/src/hir_id_validator.rs index 9418f3cd322..3942a73befd 100644 --- a/compiler/rustc_passes/src/hir_id_validator.rs +++ b/compiler/rustc_passes/src/hir_id_validator.rs @@ -8,8 +8,6 @@ use rustc_middle::hir::nested_filter; use rustc_middle::ty::TyCtxt; pub fn check_crate(tcx: TyCtxt<'_>) { - tcx.dep_graph.assert_ignored(); - if tcx.sess.opts.unstable_opts.hir_stats { crate::hir_stats::print_hir_stats(tcx); } diff --git a/compiler/rustc_passes/src/hir_stats.rs b/compiler/rustc_passes/src/hir_stats.rs index ce44f709f3b..47e032758f2 100644 --- a/compiler/rustc_passes/src/hir_stats.rs +++ b/compiler/rustc_passes/src/hir_stats.rs @@ -666,7 +666,7 @@ impl<'v> ast_visit::Visitor<'v> for StatCollector<'v> { fn visit_generic_args(&mut self, g: &'v ast::GenericArgs) { record_variants!( (self, g, g, Id::None, ast, GenericArgs, GenericArgs), - [AngleBracketed, Parenthesized, ReturnTypeNotation] + [AngleBracketed, Parenthesized] ); ast_visit::walk_generic_args(self, g) } diff --git a/compiler/rustc_privacy/src/lib.rs b/compiler/rustc_privacy/src/lib.rs index 089e043d61c..dcebfca08fa 100644 --- a/compiler/rustc_privacy/src/lib.rs +++ b/compiler/rustc_privacy/src/lib.rs @@ -515,7 +515,7 @@ impl<'tcx> EmbargoVisitor<'tcx> { let vis = self.tcx.local_visibility(item_id.owner_id.def_id); self.update_macro_reachable_def(item_id.owner_id.def_id, def_kind, vis, defining_mod); } - for export in self.tcx.module_reexports(module_def_id) { + for export in self.tcx.module_children_reexports(module_def_id) { if export.vis.is_accessible_from(defining_mod, self.tcx) && let Res::Def(def_kind, def_id) = export.res && let Some(def_id) = def_id.as_local() { diff --git a/compiler/rustc_query_impl/src/profiling_support.rs b/compiler/rustc_query_impl/src/profiling_support.rs index 4743170e9bf..579a789244b 100644 --- a/compiler/rustc_query_impl/src/profiling_support.rs +++ b/compiler/rustc_query_impl/src/profiling_support.rs @@ -231,7 +231,7 @@ pub(crate) fn alloc_self_profile_query_strings_for_query_cache<'tcx, C>( // locked while doing so. Instead we copy out the // `(query_key, dep_node_index)` pairs and release the lock again. let mut query_keys_and_indices = Vec::new(); - query_cache.iter(&mut |k, _, i| query_keys_and_indices.push((k.clone(), i))); + query_cache.iter(&mut |k, _, i| query_keys_and_indices.push((*k, i))); // Now actually allocate the strings. If allocating the strings // generates new entries in the query cache, we'll miss them but diff --git a/compiler/rustc_query_system/src/dep_graph/graph.rs b/compiler/rustc_query_system/src/dep_graph/graph.rs index 534d13b1ae0..a9a2e6dd04c 100644 --- a/compiler/rustc_query_system/src/dep_graph/graph.rs +++ b/compiler/rustc_query_system/src/dep_graph/graph.rs @@ -143,7 +143,7 @@ impl<K: DepKind> DepGraph<K> { assert_eq!(_green_node_index, DepNodeIndex::SINGLETON_DEPENDENCYLESS_ANON_NODE); // Instantiate a dependy-less red node only once for anonymous queries. - let (_red_node_index, _prev_and_index) = current.intern_node( + let (red_node_index, red_node_prev_index_and_color) = current.intern_node( profiler, &prev_graph, DepNode { kind: DepKind::RED, hash: Fingerprint::ZERO.into() }, @@ -151,8 +151,21 @@ impl<K: DepKind> DepGraph<K> { None, false, ); - assert_eq!(_red_node_index, DepNodeIndex::FOREVER_RED_NODE); - assert!(matches!(_prev_and_index, None | Some((_, DepNodeColor::Red)))); + assert_eq!(red_node_index, DepNodeIndex::FOREVER_RED_NODE); + match red_node_prev_index_and_color { + None => { + // This is expected when we have no previous compilation session. + assert!(prev_graph_node_count == 0); + } + Some((prev_red_node_index, DepNodeColor::Red)) => { + assert_eq!(prev_red_node_index.as_usize(), red_node_index.as_usize()); + colors.insert(prev_red_node_index, DepNodeColor::Red); + } + Some((_, DepNodeColor::Green(_))) => { + // There must be a logic error somewhere if we hit this branch. + panic!("DepNodeIndex::FOREVER_RED_NODE evaluated to DepNodeColor::Green") + } + } DepGraph { data: Some(Lrc::new(DepGraphData { @@ -353,10 +366,8 @@ impl<K: DepKind> DepGraphData<K> { })) }; - let task_deps_ref = match &task_deps { - Some(deps) => TaskDepsRef::Allow(deps), - None => TaskDepsRef::Ignore, - }; + let task_deps_ref = + task_deps.as_ref().map(TaskDepsRef::Allow).unwrap_or(TaskDepsRef::EvalAlways); let result = K::with_deps(task_deps_ref, || task(cx, arg)); let edges = task_deps.map_or_else(|| smallvec![], |lock| lock.into_inner().reads); @@ -461,6 +472,11 @@ impl<K: DepKind> DepGraph<K> { K::read_deps(|task_deps| { let mut task_deps = match task_deps { TaskDepsRef::Allow(deps) => deps.lock(), + TaskDepsRef::EvalAlways => { + // We don't need to record dependencies of eval_always + // queries. They are re-evaluated unconditionally anyway. + return; + } TaskDepsRef::Ignore => return, TaskDepsRef::Forbid => { panic!("Illegal read of: {dep_node_index:?}") @@ -563,7 +579,10 @@ impl<K: DepKind> DepGraph<K> { let mut edges = SmallVec::new(); K::read_deps(|task_deps| match task_deps { TaskDepsRef::Allow(deps) => edges.extend(deps.lock().reads.iter().copied()), - TaskDepsRef::Ignore => {} // During HIR lowering, we have no dependencies. + TaskDepsRef::EvalAlways => { + edges.push(DepNodeIndex::FOREVER_RED_NODE); + } + TaskDepsRef::Ignore => {} TaskDepsRef::Forbid => { panic!("Cannot summarize when dependencies are not recorded.") } @@ -1356,10 +1375,13 @@ pub enum TaskDepsRef<'a, K: DepKind> { /// `TaskDeps`. This is used when executing a 'normal' query /// (no `eval_always` modifier) Allow(&'a Lock<TaskDeps<K>>), - /// New dependencies are ignored. This is used when - /// executing an `eval_always` query, since there's no + /// This is used when executing an `eval_always` query. We don't /// need to track dependencies for a query that's always - /// re-executed. This is also used for `dep_graph.with_ignore` + /// re-executed -- but we need to know that this is an `eval_always` + /// query in order to emit dependencies to `DepNodeIndex::FOREVER_RED_NODE` + /// when directly feeding other queries. + EvalAlways, + /// New dependencies are ignored. This is also used for `dep_graph.with_ignore`. Ignore, /// Any attempt to add new dependencies will cause a panic. /// This is used when decoding a query result from disk, diff --git a/compiler/rustc_query_system/src/dep_graph/query.rs b/compiler/rustc_query_system/src/dep_graph/query.rs index 27b3b5e1366..9dcc41e2726 100644 --- a/compiler/rustc_query_system/src/dep_graph/query.rs +++ b/compiler/rustc_query_system/src/dep_graph/query.rs @@ -24,10 +24,7 @@ impl<K: DepKind> DepGraphQuery<K> { pub fn push(&mut self, index: DepNodeIndex, node: DepNode<K>, edges: &[DepNodeIndex]) { let source = self.graph.add_node(node); - if index.index() >= self.dep_index_to_index.len() { - self.dep_index_to_index.resize(index.index() + 1, None); - } - self.dep_index_to_index[index] = Some(source); + self.dep_index_to_index.insert(index, source); self.indices.insert(node, source); for &target in edges.iter() { diff --git a/compiler/rustc_query_system/src/ich/impls_syntax.rs b/compiler/rustc_query_system/src/ich/impls_syntax.rs index 0bc811eb044..8865ecf3e05 100644 --- a/compiler/rustc_query_system/src/ich/impls_syntax.rs +++ b/compiler/rustc_query_system/src/ich/impls_syntax.rs @@ -75,7 +75,7 @@ impl<'a> HashStable<StableHashingContext<'a>> for SourceFile { ref normalized_pos, } = *self; - (name_hash as u64).hash_stable(hcx, hasher); + name_hash.hash_stable(hcx, hasher); src_hash.hash_stable(hcx, hasher); diff --git a/compiler/rustc_resolve/messages.ftl b/compiler/rustc_resolve/messages.ftl index 2628f247c54..01f002c9408 100644 --- a/compiler/rustc_resolve/messages.ftl +++ b/compiler/rustc_resolve/messages.ftl @@ -42,7 +42,7 @@ resolve_try_adding_local_generic_param_on_method = try adding a local generic parameter in this method instead resolve_help_try_using_local_generic_param = - try using a local generic paramter instead + try using a local generic parameter instead resolve_name_is_already_used_as_generic_parameter = the name `{$name}` is already used for a generic parameter in this item's generic parameters diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs index 1f2a90829ec..ff0f1f55975 100644 --- a/compiler/rustc_resolve/src/build_reduced_graph.rs +++ b/compiler/rustc_resolve/src/build_reduced_graph.rs @@ -931,7 +931,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { /// Builds the reduced graph for a single item in an external crate. fn build_reduced_graph_for_external_crate_res(&mut self, child: ModChild) { let parent = self.parent_scope.module; - let ModChild { ident, res, vis, span, macro_rules, .. } = child; + let ModChild { ident, res, vis, span, .. } = child; let res = res.expect_non_local(); let expansion = self.parent_scope.expansion; // Record primary definitions. @@ -964,9 +964,7 @@ impl<'a, 'b, 'tcx> BuildReducedGraphVisitor<'a, 'b, 'tcx> { _, ) => self.r.define(parent, ident, ValueNS, (res, vis, span, expansion)), Res::Def(DefKind::Macro(..), _) | Res::NonMacroAttr(..) => { - if !macro_rules { - self.r.define(parent, ident, MacroNS, (res, vis, span, expansion)) - } + self.r.define(parent, ident, MacroNS, (res, vis, span, expansion)) } Res::Def( DefKind::TyParam diff --git a/compiler/rustc_resolve/src/diagnostics.rs b/compiler/rustc_resolve/src/diagnostics.rs index 0c9d306081e..4b7048eac04 100644 --- a/compiler/rustc_resolve/src/diagnostics.rs +++ b/compiler/rustc_resolve/src/diagnostics.rs @@ -663,15 +663,17 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { Ident::with_dummy_span(name), Namespace::ValueNS, &parent_scope, - &|res: Res| match res { - Res::Def( - DefKind::Ctor(CtorOf::Variant, CtorKind::Const) - | DefKind::Ctor(CtorOf::Struct, CtorKind::Const) - | DefKind::Const - | DefKind::AssocConst, - _, - ) => true, - _ => false, + &|res: Res| { + matches!( + res, + Res::Def( + DefKind::Ctor(CtorOf::Variant, CtorKind::Const) + | DefKind::Ctor(CtorOf::Struct, CtorKind::Const) + | DefKind::Const + | DefKind::AssocConst, + _, + ) + ) }, ); @@ -1867,15 +1869,13 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { Some(LexicalScopeBinding::Item(name_binding)) => Some(name_binding.span), _ => None, }; - let suggestion = if let Some(span) = match_span { - Some(( + let suggestion = match_span.map(|span| { + ( vec![(span, String::from(""))], format!("`{}` is defined here, but is not a type", ident), Applicability::MaybeIncorrect, - )) - } else { - None - }; + ) + }); (format!("use of undeclared type `{}`", ident), suggestion) } else { diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index 77bfcb659de..3c22d51c3d4 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -1261,10 +1261,14 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { *module.globs.borrow_mut() = Vec::new(); if let Some(def_id) = module.opt_def_id() { + let mut non_reexports = Vec::new(); let mut reexports = Vec::new(); module.for_each_child(self, |this, ident, _, binding| { - if let Some(res) = this.is_reexport(binding) { + let res = binding.res().expect_non_local(); + if !binding.is_import() { + non_reexports.push(res.def_id().expect_local()); + } else if res != def::Res::Err && !binding.is_ambiguity() { let mut reexport_chain = SmallVec::new(); let mut next_binding = binding; while let NameBindingKind::Import { binding, import, .. } = next_binding.kind { @@ -1277,16 +1281,18 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { res, vis: binding.vis, span: binding.span, - macro_rules: false, reexport_chain, }); } }); + // Should be fine because this code is only called for local modules. + let def_id = def_id.expect_local(); + if !non_reexports.is_empty() { + self.module_children_non_reexports.insert(def_id, non_reexports); + } if !reexports.is_empty() { - // Call to `expect_local` should be fine because current - // code is only called for local modules. - self.reexport_map.insert(def_id.expect_local(), reexports); + self.module_children_reexports.insert(def_id, reexports); } } } diff --git a/compiler/rustc_resolve/src/late.rs b/compiler/rustc_resolve/src/late.rs index 31ac3f1c151..90a2fa89cd2 100644 --- a/compiler/rustc_resolve/src/late.rs +++ b/compiler/rustc_resolve/src/late.rs @@ -598,7 +598,7 @@ struct LateResolutionVisitor<'a, 'b, 'ast, 'tcx> { /// The current set of local scopes for types and values. ribs: PerNS<Vec<Rib<'a>>>, - /// Previous poped `rib`, only used for diagnostic. + /// Previous popped `rib`, only used for diagnostic. last_block_rib: Option<Rib<'a>>, /// The current set of local scopes, for labels. @@ -1116,7 +1116,6 @@ impl<'a: 'ast, 'ast, 'tcx> Visitor<'ast> for LateResolutionVisitor<'a, '_, 'ast, } } } - GenericArgs::ReturnTypeNotation(_span) => {} } } } diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs index 99fad22d4a1..b820d56b8af 100644 --- a/compiler/rustc_resolve/src/lib.rs +++ b/compiler/rustc_resolve/src/lib.rs @@ -312,7 +312,6 @@ impl<'a> From<&'a ast::PathSegment> for Segment { (args.span, found_lifetimes) } GenericArgs::Parenthesized(args) => (args.span, true), - GenericArgs::ReturnTypeNotation(span) => (*span, false), } } else { (DUMMY_SP, false) @@ -910,7 +909,8 @@ pub struct Resolver<'a, 'tcx> { /// `CrateNum` resolutions of `extern crate` items. extern_crate_map: FxHashMap<LocalDefId, CrateNum>, - reexport_map: FxHashMap<LocalDefId, Vec<ModChild>>, + module_children_non_reexports: LocalDefIdMap<Vec<LocalDefId>>, + module_children_reexports: LocalDefIdMap<Vec<ModChild>>, trait_map: NodeMap<Vec<TraitCandidate>>, /// A map from nodes to anonymous modules. @@ -1260,7 +1260,8 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { lifetimes_res_map: Default::default(), extra_lifetime_params_map: Default::default(), extern_crate_map: Default::default(), - reexport_map: FxHashMap::default(), + module_children_non_reexports: Default::default(), + module_children_reexports: Default::default(), trait_map: NodeMap::default(), underscore_disambiguator: 0, empty_module, @@ -1387,7 +1388,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { let visibilities = self.visibilities; let has_pub_restricted = self.has_pub_restricted; let extern_crate_map = self.extern_crate_map; - let reexport_map = self.reexport_map; let maybe_unused_trait_imports = self.maybe_unused_trait_imports; let glob_map = self.glob_map; let main_def = self.main_def; @@ -1399,7 +1399,8 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { has_pub_restricted, effective_visibilities, extern_crate_map, - reexport_map, + module_children_non_reexports: self.module_children_non_reexports, + module_children_reexports: self.module_children_reexports, glob_map, maybe_unused_trait_imports, main_def, @@ -1652,7 +1653,7 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { misc2: AmbiguityErrorMisc::None, }; if !self.matches_previous_ambiguity_error(&ambiguity_error) { - // avoid dumplicated span information to be emitt out + // avoid duplicated span information to be emitt out self.ambiguity_errors.push(ambiguity_error); } } @@ -1950,20 +1951,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> { } self.main_def = Some(MainDefinition { res, is_import, span }); } - - // Items that go to reexport table encoded to metadata and visible through it to other crates. - fn is_reexport(&self, binding: &NameBinding<'a>) -> Option<def::Res<!>> { - if binding.is_import() { - let res = binding.res().expect_non_local(); - // Ambiguous imports are treated as errors at this point and are - // not exposed to other crates (see #36837 for more details). - if res != def::Res::Err && !binding.is_ambiguity() { - return Some(res); - } - } - - return None; - } } fn names_to_string(names: &[Symbol]) -> String { diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index acfb36c97d0..79eb31bb105 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -222,7 +222,7 @@ impl LinkerPluginLto { } /// The different settings that can be enabled via the `-Z location-detail` flag. -#[derive(Clone, PartialEq, Hash, Debug)] +#[derive(Copy, Clone, PartialEq, Hash, Debug)] pub struct LocationDetail { pub file: bool, pub line: bool, diff --git a/compiler/rustc_smir/src/rustc_smir/mod.rs b/compiler/rustc_smir/src/rustc_smir/mod.rs index 0befff894ef..4dad3c6bce7 100644 --- a/compiler/rustc_smir/src/rustc_smir/mod.rs +++ b/compiler/rustc_smir/src/rustc_smir/mod.rs @@ -40,6 +40,10 @@ pub fn all_local_items() -> stable_mir::CrateItems { with(|tcx| tcx.mir_keys(()).iter().map(|item| crate_item(item.to_def_id())).collect()) } +pub fn entry_fn() -> Option<stable_mir::CrateItem> { + with(|tcx| Some(crate_item(tcx.entry_fn(())?.0))) +} + /// Build a stable mir crate from a given crate number. fn smir_crate(tcx: TyCtxt<'_>, crate_num: CrateNum) -> stable_mir::Crate { let crate_name = tcx.crate_name(crate_num).to_string(); diff --git a/compiler/rustc_smir/src/stable_mir/mod.rs b/compiler/rustc_smir/src/stable_mir/mod.rs index ba23186224a..1d2efb5eab9 100644 --- a/compiler/rustc_smir/src/stable_mir/mod.rs +++ b/compiler/rustc_smir/src/stable_mir/mod.rs @@ -45,6 +45,13 @@ impl CrateItem { } } +/// Return the function where execution starts if the current +/// crate defines that. This is usually `main`, but could be +/// `start` if the crate is a no-std crate. +pub fn entry_fn() -> Option<CrateItem> { + crate::rustc_smir::entry_fn() +} + /// Access to the local crate. pub fn local_crate() -> Crate { crate::rustc_smir::local_crate() diff --git a/compiler/rustc_span/src/edit_distance.rs b/compiler/rustc_span/src/edit_distance.rs index 9fe9e3a7a5f..259f4238654 100644 --- a/compiler/rustc_span/src/edit_distance.rs +++ b/compiler/rustc_span/src/edit_distance.rs @@ -219,7 +219,7 @@ fn find_best_match_for_name_impl( } // We have a tie among several candidates, try to select the best among them ignoring substrings. - // For example, the candidates list `force_capture`, `capture`, and user inputed `forced_capture`, + // For example, the candidates list `force_capture`, `capture`, and user inputted `forced_capture`, // we select `force_capture` with a extra round of edit distance calculation. if next_candidates.len() > 1 { debug_assert!(use_substring_score); diff --git a/compiler/rustc_span/src/hygiene.rs b/compiler/rustc_span/src/hygiene.rs index 0bb42a3a71f..08c4414034a 100644 --- a/compiler/rustc_span/src/hygiene.rs +++ b/compiler/rustc_span/src/hygiene.rs @@ -1207,7 +1207,7 @@ impl HygieneEncodeContext { // a `SyntaxContext` that we haven't seen before while !self.latest_ctxts.lock().is_empty() || !self.latest_expns.lock().is_empty() { debug!( - "encode_hygiene: Serializing a round of {:?} SyntaxContextDatas: {:?}", + "encode_hygiene: Serializing a round of {:?} SyntaxContextData: {:?}", self.latest_ctxts.lock().len(), self.latest_ctxts ); diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs index aa8859ed1a3..911d6902c98 100644 --- a/compiler/rustc_span/src/lib.rs +++ b/compiler/rustc_span/src/lib.rs @@ -1663,10 +1663,11 @@ impl SourceFile { if let Some(ref src) = self.src { Some(Cow::from(get_until_newline(src, begin))) - } else if let Some(src) = self.external_src.borrow().get_source() { - Some(Cow::Owned(String::from(get_until_newline(src, begin)))) } else { - None + self.external_src + .borrow() + .get_source() + .map(|src| Cow::Owned(String::from(get_until_newline(src, begin)))) } } @@ -2159,9 +2160,7 @@ where }; Hash::hash(&TAG_VALID_SPAN, hasher); - // We truncate the stable ID hash and line and column numbers. The chances - // of causing a collision this way should be minimal. - Hash::hash(&(file.name_hash as u64), hasher); + Hash::hash(&file.name_hash, hasher); // Hash both the length and the end location (line/column) of a span. If we // hash only the length, for example, then two otherwise equal spans with diff --git a/compiler/rustc_span/src/source_map.rs b/compiler/rustc_span/src/source_map.rs index 88e3674f899..29a7e74a816 100644 --- a/compiler/rustc_span/src/source_map.rs +++ b/compiler/rustc_span/src/source_map.rs @@ -906,10 +906,8 @@ impl SourceMap { let snippet = if let Some(ref src) = local_begin.sf.src { Some(&src[start_index..]) - } else if let Some(src) = src.get_source() { - Some(&src[start_index..]) } else { - None + src.get_source().map(|src| &src[start_index..]) }; match snippet { diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index 7affad9aa01..6ce0b66ef6a 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -357,6 +357,7 @@ symbols! { always, and, and_then, + anon, anonymous_lifetime_in_impl_trait, any, append_const_msg, @@ -800,6 +801,7 @@ symbols! { ignore, impl_header_lifetime_elision, impl_lint_pass, + impl_trait_in_assoc_type, impl_trait_in_bindings, impl_trait_in_fn_trait_return, impl_trait_projections, @@ -1173,7 +1175,9 @@ symbols! { reg32, reg64, reg_abcd, + reg_addr, reg_byte, + reg_data, reg_iw, reg_nonzero, reg_pair, @@ -1982,8 +1986,9 @@ impl Interner { name } - // Get the symbol as a string. `Symbol::as_str()` should be used in - // preference to this function. + /// Get the symbol as a string. + /// + /// [`Symbol::as_str()`] should be used in preference to this function. fn get(&self, symbol: Symbol) -> &str { self.0.lock().strings[symbol.0.as_usize()] } diff --git a/compiler/rustc_target/src/abi/call/mod.rs b/compiler/rustc_target/src/abi/call/mod.rs index a0730fbb650..57011aa8a14 100644 --- a/compiler/rustc_target/src/abi/call/mod.rs +++ b/compiler/rustc_target/src/abi/call/mod.rs @@ -755,7 +755,7 @@ impl FromStr for Conv { "AmdGpuKernel" => Ok(Conv::AmdGpuKernel), "AvrInterrupt" => Ok(Conv::AvrInterrupt), "AvrNonBlockingInterrupt" => Ok(Conv::AvrNonBlockingInterrupt), - _ => Err(format!("'{s}' is not a valid value for entry function call convetion.")), + _ => Err(format!("'{s}' is not a valid value for entry function call convention.")), } } } diff --git a/compiler/rustc_target/src/asm/m68k.rs b/compiler/rustc_target/src/asm/m68k.rs new file mode 100644 index 00000000000..8c857550cf2 --- /dev/null +++ b/compiler/rustc_target/src/asm/m68k.rs @@ -0,0 +1,81 @@ +use super::{InlineAsmArch, InlineAsmType}; +use rustc_macros::HashStable_Generic; +use rustc_span::Symbol; +use std::fmt; + +def_reg_class! { + M68k M68kInlineAsmRegClass { + reg, + reg_addr, + reg_data, + } +} + +impl M68kInlineAsmRegClass { + pub fn valid_modifiers(self, _arch: super::InlineAsmArch) -> &'static [char] { + &[] + } + + pub fn suggest_class(self, _arch: InlineAsmArch, _ty: InlineAsmType) -> Option<Self> { + None + } + + pub fn suggest_modifier( + self, + _arch: InlineAsmArch, + _ty: InlineAsmType, + ) -> Option<(char, &'static str)> { + None + } + + pub fn default_modifier(self, _arch: InlineAsmArch) -> Option<(char, &'static str)> { + None + } + + pub fn supported_types( + self, + _arch: InlineAsmArch, + ) -> &'static [(InlineAsmType, Option<Symbol>)] { + match self { + Self::reg => types! { _: I16, I32; }, + Self::reg_data => types! { _: I8, I16, I32; }, + Self::reg_addr => types! { _: I16, I32; }, + } + } +} + +def_regs! { + M68k M68kInlineAsmReg M68kInlineAsmRegClass { + d0: reg, reg_data = ["d0"], + d1: reg, reg_data = ["d1"], + d2: reg, reg_data = ["d2"], + d3: reg, reg_data = ["d3"], + d4: reg, reg_data = ["d4"], + d5: reg, reg_data = ["d5"], + d6: reg, reg_data = ["d6"], + d7: reg, reg_data = ["d7"], + a0: reg, reg_addr = ["a0"], + a1: reg, reg_addr = ["a1"], + a2: reg, reg_addr = ["a2"], + a3: reg, reg_addr = ["a3"], + #error = ["a4"] => + "a4 is used internally by LLVM and cannot be used as an operand for inline asm", + #error = ["a5", "bp"] => + "a5 is used internally by LLVM and cannot be used as an operand for inline asm", + #error = ["a6", "fp"] => + "a6 is used internally by LLVM and cannot be used as an operand for inline asm", + #error = ["a7", "sp", "usp", "ssp", "isp"] => + "the stack pointer cannot be used as an operand for inline asm", + } +} + +impl M68kInlineAsmReg { + pub fn emit( + self, + out: &mut dyn fmt::Write, + _arch: InlineAsmArch, + _modifier: Option<char>, + ) -> fmt::Result { + out.write_str(self.name()) + } +} diff --git a/compiler/rustc_target/src/asm/mod.rs b/compiler/rustc_target/src/asm/mod.rs index 0dbfd426781..3f9c850b352 100644 --- a/compiler/rustc_target/src/asm/mod.rs +++ b/compiler/rustc_target/src/asm/mod.rs @@ -168,6 +168,7 @@ mod arm; mod avr; mod bpf; mod hexagon; +mod m68k; mod mips; mod msp430; mod nvptx; @@ -183,6 +184,7 @@ pub use arm::{ArmInlineAsmReg, ArmInlineAsmRegClass}; pub use avr::{AvrInlineAsmReg, AvrInlineAsmRegClass}; pub use bpf::{BpfInlineAsmReg, BpfInlineAsmRegClass}; pub use hexagon::{HexagonInlineAsmReg, HexagonInlineAsmRegClass}; +pub use m68k::{M68kInlineAsmReg, M68kInlineAsmRegClass}; pub use mips::{MipsInlineAsmReg, MipsInlineAsmRegClass}; pub use msp430::{Msp430InlineAsmReg, Msp430InlineAsmRegClass}; pub use nvptx::{NvptxInlineAsmReg, NvptxInlineAsmRegClass}; @@ -214,6 +216,7 @@ pub enum InlineAsmArch { Bpf, Avr, Msp430, + M68k, } impl FromStr for InlineAsmArch { @@ -240,6 +243,7 @@ impl FromStr for InlineAsmArch { "bpf" => Ok(Self::Bpf), "avr" => Ok(Self::Avr), "msp430" => Ok(Self::Msp430), + "m68k" => Ok(Self::M68k), _ => Err(()), } } @@ -262,6 +266,7 @@ pub enum InlineAsmReg { Bpf(BpfInlineAsmReg), Avr(AvrInlineAsmReg), Msp430(Msp430InlineAsmReg), + M68k(M68kInlineAsmReg), // Placeholder for invalid register constraints for the current target Err, } @@ -280,6 +285,7 @@ impl InlineAsmReg { Self::Bpf(r) => r.name(), Self::Avr(r) => r.name(), Self::Msp430(r) => r.name(), + Self::M68k(r) => r.name(), Self::Err => "<reg>", } } @@ -297,6 +303,7 @@ impl InlineAsmReg { Self::Bpf(r) => InlineAsmRegClass::Bpf(r.reg_class()), Self::Avr(r) => InlineAsmRegClass::Avr(r.reg_class()), Self::Msp430(r) => InlineAsmRegClass::Msp430(r.reg_class()), + Self::M68k(r) => InlineAsmRegClass::M68k(r.reg_class()), Self::Err => InlineAsmRegClass::Err, } } @@ -328,6 +335,7 @@ impl InlineAsmReg { InlineAsmArch::Bpf => Self::Bpf(BpfInlineAsmReg::parse(name)?), InlineAsmArch::Avr => Self::Avr(AvrInlineAsmReg::parse(name)?), InlineAsmArch::Msp430 => Self::Msp430(Msp430InlineAsmReg::parse(name)?), + InlineAsmArch::M68k => Self::M68k(M68kInlineAsmReg::parse(name)?), }) } @@ -351,6 +359,7 @@ impl InlineAsmReg { Self::Bpf(r) => r.validate(arch, reloc_model, target_features, target, is_clobber), Self::Avr(r) => r.validate(arch, reloc_model, target_features, target, is_clobber), Self::Msp430(r) => r.validate(arch, reloc_model, target_features, target, is_clobber), + Self::M68k(r) => r.validate(arch, reloc_model, target_features, target, is_clobber), Self::Err => unreachable!(), } } @@ -375,6 +384,7 @@ impl InlineAsmReg { Self::Bpf(r) => r.emit(out, arch, modifier), Self::Avr(r) => r.emit(out, arch, modifier), Self::Msp430(r) => r.emit(out, arch, modifier), + Self::M68k(r) => r.emit(out, arch, modifier), Self::Err => unreachable!("Use of InlineAsmReg::Err"), } } @@ -392,6 +402,7 @@ impl InlineAsmReg { Self::Bpf(r) => r.overlapping_regs(|r| cb(Self::Bpf(r))), Self::Avr(r) => r.overlapping_regs(|r| cb(Self::Avr(r))), Self::Msp430(_) => cb(self), + Self::M68k(_) => cb(self), Self::Err => unreachable!("Use of InlineAsmReg::Err"), } } @@ -414,6 +425,7 @@ pub enum InlineAsmRegClass { Bpf(BpfInlineAsmRegClass), Avr(AvrInlineAsmRegClass), Msp430(Msp430InlineAsmRegClass), + M68k(M68kInlineAsmRegClass), // Placeholder for invalid register constraints for the current target Err, } @@ -435,6 +447,7 @@ impl InlineAsmRegClass { Self::Bpf(r) => r.name(), Self::Avr(r) => r.name(), Self::Msp430(r) => r.name(), + Self::M68k(r) => r.name(), Self::Err => rustc_span::symbol::sym::reg, } } @@ -458,6 +471,7 @@ impl InlineAsmRegClass { Self::Bpf(r) => r.suggest_class(arch, ty).map(InlineAsmRegClass::Bpf), Self::Avr(r) => r.suggest_class(arch, ty).map(InlineAsmRegClass::Avr), Self::Msp430(r) => r.suggest_class(arch, ty).map(InlineAsmRegClass::Msp430), + Self::M68k(r) => r.suggest_class(arch, ty).map(InlineAsmRegClass::M68k), Self::Err => unreachable!("Use of InlineAsmRegClass::Err"), } } @@ -488,6 +502,7 @@ impl InlineAsmRegClass { Self::Bpf(r) => r.suggest_modifier(arch, ty), Self::Avr(r) => r.suggest_modifier(arch, ty), Self::Msp430(r) => r.suggest_modifier(arch, ty), + Self::M68k(r) => r.suggest_modifier(arch, ty), Self::Err => unreachable!("Use of InlineAsmRegClass::Err"), } } @@ -514,6 +529,7 @@ impl InlineAsmRegClass { Self::Bpf(r) => r.default_modifier(arch), Self::Avr(r) => r.default_modifier(arch), Self::Msp430(r) => r.default_modifier(arch), + Self::M68k(r) => r.default_modifier(arch), Self::Err => unreachable!("Use of InlineAsmRegClass::Err"), } } @@ -539,6 +555,7 @@ impl InlineAsmRegClass { Self::Bpf(r) => r.supported_types(arch), Self::Avr(r) => r.supported_types(arch), Self::Msp430(r) => r.supported_types(arch), + Self::M68k(r) => r.supported_types(arch), Self::Err => unreachable!("Use of InlineAsmRegClass::Err"), } } @@ -569,6 +586,7 @@ impl InlineAsmRegClass { InlineAsmArch::Bpf => Self::Bpf(BpfInlineAsmRegClass::parse(name)?), InlineAsmArch::Avr => Self::Avr(AvrInlineAsmRegClass::parse(name)?), InlineAsmArch::Msp430 => Self::Msp430(Msp430InlineAsmRegClass::parse(name)?), + InlineAsmArch::M68k => Self::M68k(M68kInlineAsmRegClass::parse(name)?), }) } @@ -590,6 +608,7 @@ impl InlineAsmRegClass { Self::Bpf(r) => r.valid_modifiers(arch), Self::Avr(r) => r.valid_modifiers(arch), Self::Msp430(r) => r.valid_modifiers(arch), + Self::M68k(r) => r.valid_modifiers(arch), Self::Err => unreachable!("Use of InlineAsmRegClass::Err"), } } @@ -776,6 +795,11 @@ pub fn allocatable_registers( msp430::fill_reg_map(arch, reloc_model, target_features, target, &mut map); map } + InlineAsmArch::M68k => { + let mut map = m68k::regclass_map(); + m68k::fill_reg_map(arch, reloc_model, target_features, target, &mut map); + map + } } } diff --git a/compiler/rustc_target/src/spec/mod.rs b/compiler/rustc_target/src/spec/mod.rs index 192b2ab0ca2..4e5a821f0f6 100644 --- a/compiler/rustc_target/src/spec/mod.rs +++ b/compiler/rustc_target/src/spec/mod.rs @@ -123,7 +123,7 @@ pub enum Lld { /// target properties, in accordance with the first design goal. /// /// The first component of the flavor is tightly coupled with the compilation target, -/// while the `Cc` and `Lld` flags can vary withing the same target. +/// while the `Cc` and `Lld` flags can vary within the same target. #[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd)] pub enum LinkerFlavor { /// Unix-like linker with GNU extensions (both naked and compiler-wrapped forms). diff --git a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs index a33e8ef4b4a..10d817f75ac 100644 --- a/compiler/rustc_trait_selection/src/solve/assembly/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/assembly/mod.rs @@ -348,6 +348,14 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { ) { let lang_items = self.tcx().lang_items(); let trait_def_id = goal.predicate.trait_def_id(self.tcx()); + + // N.B. When assembling built-in candidates for lang items that are also + // `auto` traits, then the auto trait candidate that is assembled in + // `consider_auto_trait_candidate` MUST be disqualified to remain sound. + // + // Instead of adding the logic here, it's a better idea to add it in + // `EvalCtxt::disqualify_auto_trait_candidate_due_to_possible_impl` in + // `solve::trait_goals` instead. let result = if self.tcx().trait_is_auto(trait_def_id) { G::consider_auto_trait_candidate(self, goal) } else if self.tcx().trait_is_alias(trait_def_id) { @@ -505,7 +513,10 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { let tcx = self.tcx(); let own_bounds: FxIndexSet<_> = bounds.iter().map(|bound| bound.with_self_ty(tcx, self_ty)).collect(); - for assumption in elaborate(tcx, own_bounds.iter().copied()) { + for assumption in elaborate(tcx, own_bounds.iter().copied()) + // we only care about bounds that match the `Self` type + .filter_only_self() + { // FIXME: Predicates are fully elaborated in the object type's existential bounds // list. We want to only consider these pre-elaborated projections, and not other // projection predicates that we reach by elaborating the principal trait ref, diff --git a/compiler/rustc_trait_selection/src/solve/canonicalize.rs b/compiler/rustc_trait_selection/src/solve/canonicalize.rs index 55025e2e72b..976849696e3 100644 --- a/compiler/rustc_trait_selection/src/solve/canonicalize.rs +++ b/compiler/rustc_trait_selection/src/solve/canonicalize.rs @@ -13,7 +13,7 @@ use rustc_middle::ty::TypeVisitableExt; use rustc_middle::ty::{self, Ty}; use rustc_middle::ty::{TypeFoldable, TypeFolder, TypeSuperFoldable}; -/// Whether we're canonicalizing a query input or the query reponse. +/// Whether we're canonicalizing a query input or the query response. /// /// When canonicalizing an input we're in the context of the caller /// while canonicalizing the response happens in the context of the @@ -21,7 +21,7 @@ use rustc_middle::ty::{TypeFoldable, TypeFolder, TypeSuperFoldable}; #[derive(Debug, Clone, Copy)] pub enum CanonicalizeMode { Input, - /// FIXME: We currently return region constraints refering to + /// FIXME: We currently return region constraints referring to /// placeholders and inference variables from a binder instantiated /// inside of the query. /// @@ -125,8 +125,9 @@ impl<'a, 'tcx> Canonicalizer<'a, 'tcx> { // - var_infos: [E0, U1, E1, U1, E1, E6, U6], curr_compressed_uv: 1, next_orig_uv: 6 // - var_infos: [E0, U1, E1, U1, E1, E2, U2], curr_compressed_uv: 2, next_orig_uv: - // - // This algorithm runs in `O(n²)` where `n` is the number of different universe - // indices in the input. This should be fine as `n` is expected to be small. + // This algorithm runs in `O(nm)` where `n` is the number of different universe + // indices in the input and `m` is the number of canonical variables. + // This should be fine as both `n` and `m` are expected to be small. let mut curr_compressed_uv = ty::UniverseIndex::ROOT; let mut existential_in_new_uv = false; let mut next_orig_uv = Some(ty::UniverseIndex::ROOT); @@ -245,18 +246,14 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for Canonicalizer<'_, 'tcx> { ty::ReError(_) => return r, }; - let existing_bound_var = match self.canonicalize_mode { - CanonicalizeMode::Input => None, - CanonicalizeMode::Response { .. } => { - self.variables.iter().position(|&v| v == r.into()).map(ty::BoundVar::from) - } - }; - let var = existing_bound_var.unwrap_or_else(|| { - let var = ty::BoundVar::from(self.variables.len()); - self.variables.push(r.into()); - self.primitive_var_infos.push(CanonicalVarInfo { kind }); - var - }); + let var = ty::BoundVar::from( + self.variables.iter().position(|&v| v == r.into()).unwrap_or_else(|| { + let var = self.variables.len(); + self.variables.push(r.into()); + self.primitive_var_infos.push(CanonicalVarInfo { kind }); + var + }), + ); let br = ty::BoundRegion { var, kind: BrAnon(None) }; self.interner().mk_re_late_bound(self.binder_index, br) } diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs index c29b5b04e00..bb574954587 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt.rs @@ -649,7 +649,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { // FIXME(transmutability): This really should be returning nested goals for `Answer::If*` match rustc_transmute::TransmuteTypeEnv::new(self.infcx).is_transmutable( ObligationCause::dummy(), - ty::Binder::dummy(src_and_dst), + src_and_dst, scope, assume, ) { diff --git a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs index 861fa0a305a..dfdd52720a0 100644 --- a/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs +++ b/compiler/rustc_trait_selection/src/solve/eval_ctxt/canonical.rs @@ -11,12 +11,13 @@ use super::{CanonicalGoal, Certainty, EvalCtxt, Goal}; use crate::solve::canonicalize::{CanonicalizeMode, Canonicalizer}; use crate::solve::{CanonicalResponse, QueryResult, Response}; +use rustc_index::vec::IndexVec; use rustc_infer::infer::canonical::query_response::make_query_region_constraints; use rustc_infer::infer::canonical::CanonicalVarValues; use rustc_infer::infer::canonical::{CanonicalExt, QueryRegionConstraints}; use rustc_middle::traits::query::NoSolution; use rustc_middle::traits::solve::{ExternalConstraints, ExternalConstraintsData}; -use rustc_middle::ty::{self, GenericArgKind}; +use rustc_middle::ty::{self, BoundVar, GenericArgKind}; use rustc_span::DUMMY_SP; use std::iter; use std::ops::Deref; @@ -42,7 +43,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { /// /// - `var_values`: a map from bound variables in the canonical goal to /// the values inferred while solving the instantiated goal. - /// - `external_constraints`: additional constraints which aren't expressable + /// - `external_constraints`: additional constraints which aren't expressible /// using simple unification of inference variables. #[instrument(level = "debug", skip(self))] pub(in crate::solve) fn evaluate_added_goals_and_make_canonical_response( @@ -113,7 +114,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { } /// This returns the substitutions to instantiate the bound variables of - /// the canonical reponse. This depends on the `original_values` for the + /// the canonical response. This depends on the `original_values` for the /// bound variables. fn compute_query_response_substitution( &self, @@ -139,25 +140,25 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { // // We therefore instantiate the existential variable in the canonical response with the // inference variable of the input right away, which is more performant. - let mut opt_values = vec![None; response.variables.len()]; + let mut opt_values = IndexVec::from_elem_n(None, response.variables.len()); for (original_value, result_value) in iter::zip(original_values, var_values.var_values) { match result_value.unpack() { GenericArgKind::Type(t) => { if let &ty::Bound(debruijn, b) = t.kind() { assert_eq!(debruijn, ty::INNERMOST); - opt_values[b.var.index()] = Some(*original_value); + opt_values[b.var] = Some(*original_value); } } GenericArgKind::Lifetime(r) => { if let ty::ReLateBound(debruijn, br) = *r { assert_eq!(debruijn, ty::INNERMOST); - opt_values[br.var.index()] = Some(*original_value); + opt_values[br.var] = Some(*original_value); } } GenericArgKind::Const(c) => { if let ty::ConstKind::Bound(debrujin, b) = c.kind() { assert_eq!(debrujin, ty::INNERMOST); - opt_values[b.index()] = Some(*original_value); + opt_values[b] = Some(*original_value); } } } @@ -180,7 +181,7 @@ impl<'tcx> EvalCtxt<'_, 'tcx> { // more placeholders then they should be able to. However the inference variables have // to "come from somewhere", so by equating them with the original values of the caller // later on, we pull them down into their correct universe again. - if let Some(v) = opt_values[index] { + if let Some(v) = opt_values[BoundVar::from_usize(index)] { v } else { self.infcx.instantiate_canonical_var(DUMMY_SP, info, |_| prev_universe) diff --git a/compiler/rustc_trait_selection/src/solve/fulfill.rs b/compiler/rustc_trait_selection/src/solve/fulfill.rs index 76a2a587911..32bd10f0beb 100644 --- a/compiler/rustc_trait_selection/src/solve/fulfill.rs +++ b/compiler/rustc_trait_selection/src/solve/fulfill.rs @@ -1,6 +1,7 @@ use std::mem; use rustc_infer::infer::InferCtxt; +use rustc_infer::traits::solve::MaybeCause; use rustc_infer::traits::Obligation; use rustc_infer::traits::{ query::NoSolution, FulfillmentError, FulfillmentErrorCode, MismatchedProjectionTypes, @@ -41,13 +42,31 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentCtxt<'tcx> { self.obligations.push(obligation); } - fn collect_remaining_errors(&mut self) -> Vec<FulfillmentError<'tcx>> { + fn collect_remaining_errors(&mut self, infcx: &InferCtxt<'tcx>) -> Vec<FulfillmentError<'tcx>> { self.obligations .drain(..) - .map(|obligation| FulfillmentError { - obligation: obligation.clone(), - code: FulfillmentErrorCode::CodeAmbiguity, - root_obligation: obligation, + .map(|obligation| { + let code = + infcx.probe(|_| match infcx.evaluate_root_goal(obligation.clone().into()) { + Ok((_, Certainty::Maybe(MaybeCause::Ambiguity), _)) => { + FulfillmentErrorCode::CodeAmbiguity { overflow: false } + } + Ok((_, Certainty::Maybe(MaybeCause::Overflow), _)) => { + FulfillmentErrorCode::CodeAmbiguity { overflow: true } + } + Ok((_, Certainty::Yes, _)) => { + bug!("did not expect successful goal when collecting ambiguity errors") + } + Err(_) => { + bug!("did not expect selection error when collecting ambiguity errors") + } + }); + + FulfillmentError { + obligation: obligation.clone(), + code, + root_obligation: obligation, + } }) .collect() } diff --git a/compiler/rustc_trait_selection/src/solve/search_graph/mod.rs b/compiler/rustc_trait_selection/src/solve/search_graph/mod.rs index 42c28686f5c..050269fa973 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph/mod.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph/mod.rs @@ -153,7 +153,7 @@ impl<'tcx> SearchGraph<'tcx> { /// coinductive cycles. /// /// When we encounter a coinductive cycle, we have to prove the final result of that cycle - /// while we are still computing that result. Because of this we continously recompute the + /// while we are still computing that result. Because of this we continuously recompute the /// cycle until the result of the previous iteration is equal to the final result, at which /// point we are done. /// diff --git a/compiler/rustc_trait_selection/src/solve/search_graph/overflow.rs b/compiler/rustc_trait_selection/src/solve/search_graph/overflow.rs index 574f3e9a577..e0a2e0c5cc2 100644 --- a/compiler/rustc_trait_selection/src/solve/search_graph/overflow.rs +++ b/compiler/rustc_trait_selection/src/solve/search_graph/overflow.rs @@ -45,7 +45,7 @@ impl OverflowData { /// Updating the current limit when hitting overflow. fn deal_with_overflow(&mut self) { // When first hitting overflow we reduce the overflow limit - // for all future goals to prevent hangs if there's an exponental + // for all future goals to prevent hangs if there's an exponential // blowup. self.current_limit.0 = self.default_limit.0 / 8; } diff --git a/compiler/rustc_trait_selection/src/solve/trait_goals.rs b/compiler/rustc_trait_selection/src/solve/trait_goals.rs index 716d5acb324..abd11a15ac2 100644 --- a/compiler/rustc_trait_selection/src/solve/trait_goals.rs +++ b/compiler/rustc_trait_selection/src/solve/trait_goals.rs @@ -3,7 +3,7 @@ use super::assembly::{self, structural_traits}; use super::{EvalCtxt, SolverMode}; use rustc_hir::def_id::DefId; -use rustc_hir::LangItem; +use rustc_hir::{LangItem, Movability}; use rustc_infer::traits::query::NoSolution; use rustc_infer::traits::util::supertraits; use rustc_middle::traits::solve::{CanonicalResponse, Certainty, Goal, QueryResult}; @@ -147,66 +147,8 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { ecx: &mut EvalCtxt<'_, 'tcx>, goal: Goal<'tcx, Self>, ) -> QueryResult<'tcx> { - let self_ty = goal.predicate.self_ty(); - match *self_ty.kind() { - // Stall int and float vars until they are resolved to a concrete - // numerical type. That's because the check for impls below treats - // int vars as matching any impl. Even if we filtered such impls, - // we probably don't want to treat an `impl !AutoTrait for i32` as - // disqualifying the built-in auto impl for `i64: AutoTrait` either. - ty::Infer(ty::IntVar(_) | ty::FloatVar(_)) => { - return ecx.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS); - } - - // These types cannot be structurally decomposed into constitutent - // types, and therefore have no builtin impl. - ty::Dynamic(..) - | ty::Param(..) - | ty::Foreign(..) - | ty::Alias(ty::Projection, ..) - | ty::Placeholder(..) => return Err(NoSolution), - - ty::Infer(_) | ty::Bound(_, _) => bug!("unexpected type `{self_ty}`"), - - // For rigid types, we only register a builtin auto implementation - // if there is no implementation that could ever apply to the self - // type. - // - // This differs from the current stable behavior and fixes #84857. - // Due to breakage found via crater, we currently instead lint - // patterns which can be used to exploit this unsoundness on stable, - // see #93367 for more details. - ty::Bool - | ty::Char - | ty::Int(_) - | ty::Uint(_) - | ty::Float(_) - | ty::Str - | ty::Array(_, _) - | ty::Slice(_) - | ty::RawPtr(_) - | ty::Ref(_, _, _) - | ty::FnDef(_, _) - | ty::FnPtr(_) - | ty::Closure(_, _) - | ty::Generator(_, _, _) - | ty::GeneratorWitness(_) - | ty::GeneratorWitnessMIR(_, _) - | ty::Never - | ty::Tuple(_) - | ty::Error(_) - | ty::Adt(_, _) - | ty::Alias(ty::Opaque, _) => { - if let Some(def_id) = ecx.tcx().find_map_relevant_impl( - goal.predicate.def_id(), - goal.predicate.self_ty(), - TreatProjections::NextSolverLookup, - Some, - ) { - debug!(?def_id, ?goal, "disqualified auto-trait implementation"); - return Err(NoSolution); - } - } + if let Some(result) = ecx.disqualify_auto_trait_candidate_due_to_possible_impl(goal) { + return result; } ecx.probe_and_evaluate_goal_for_constituent_tys( @@ -630,6 +572,97 @@ impl<'tcx> assembly::GoalKind<'tcx> for TraitPredicate<'tcx> { } impl<'tcx> EvalCtxt<'_, 'tcx> { + // Return `Some` if there is an impl (built-in or user provided) that may + // hold for the self type of the goal, which for coherence and soundness + // purposes must disqualify the built-in auto impl assembled by considering + // the type's constituent types. + fn disqualify_auto_trait_candidate_due_to_possible_impl( + &mut self, + goal: Goal<'tcx, TraitPredicate<'tcx>>, + ) -> Option<QueryResult<'tcx>> { + let self_ty = goal.predicate.self_ty(); + match *self_ty.kind() { + // Stall int and float vars until they are resolved to a concrete + // numerical type. That's because the check for impls below treats + // int vars as matching any impl. Even if we filtered such impls, + // we probably don't want to treat an `impl !AutoTrait for i32` as + // disqualifying the built-in auto impl for `i64: AutoTrait` either. + ty::Infer(ty::IntVar(_) | ty::FloatVar(_)) => { + Some(self.evaluate_added_goals_and_make_canonical_response(Certainty::AMBIGUOUS)) + } + + // These types cannot be structurally decomposed into constitutent + // types, and therefore have no built-in auto impl. + ty::Dynamic(..) + | ty::Param(..) + | ty::Foreign(..) + | ty::Alias(ty::Projection, ..) + | ty::Placeholder(..) => Some(Err(NoSolution)), + + ty::Infer(_) | ty::Bound(_, _) => bug!("unexpected type `{self_ty}`"), + + // Generators have one special built-in candidate, `Unpin`, which + // takes precedence over the structural auto trait candidate being + // assembled. + ty::Generator(_, _, movability) + if Some(goal.predicate.def_id()) == self.tcx().lang_items().unpin_trait() => + { + match movability { + Movability::Static => Some(Err(NoSolution)), + Movability::Movable => { + Some(self.evaluate_added_goals_and_make_canonical_response(Certainty::Yes)) + } + } + } + + // For rigid types, any possible implementation that could apply to + // the type (even if after unification and processing nested goals + // it does not hold) will disqualify the built-in auto impl. + // + // This differs from the current stable behavior and fixes #84857. + // Due to breakage found via crater, we currently instead lint + // patterns which can be used to exploit this unsoundness on stable, + // see #93367 for more details. + ty::Bool + | ty::Char + | ty::Int(_) + | ty::Uint(_) + | ty::Float(_) + | ty::Str + | ty::Array(_, _) + | ty::Slice(_) + | ty::RawPtr(_) + | ty::Ref(_, _, _) + | ty::FnDef(_, _) + | ty::FnPtr(_) + | ty::Closure(_, _) + | ty::Generator(_, _, _) + | ty::GeneratorWitness(_) + | ty::GeneratorWitnessMIR(_, _) + | ty::Never + | ty::Tuple(_) + | ty::Adt(_, _) + // FIXME: Handling opaques here is kinda sus. Especially because we + // simplify them to PlaceholderSimplifiedType. + | ty::Alias(ty::Opaque, _) => { + if let Some(def_id) = self.tcx().find_map_relevant_impl( + goal.predicate.def_id(), + goal.predicate.self_ty(), + TreatProjections::NextSolverLookup, + Some, + ) { + debug!(?def_id, ?goal, "disqualified auto-trait implementation"); + // No need to actually consider the candidate here, + // since we do that in `consider_impl_candidate`. + return Some(Err(NoSolution)); + } else { + None + } + } + ty::Error(_) => None, + } + } + /// Convenience function for traits that are structural, i.e. that only /// have nested subgoals that only change the self type. Unlike other /// evaluate-like helpers, this does a probe, so it doesn't need to be diff --git a/compiler/rustc_trait_selection/src/traits/auto_trait.rs b/compiler/rustc_trait_selection/src/traits/auto_trait.rs index a53d414be9e..182d995c4eb 100644 --- a/compiler/rustc_trait_selection/src/traits/auto_trait.rs +++ b/compiler/rustc_trait_selection/src/traits/auto_trait.rs @@ -9,7 +9,6 @@ use crate::infer::InferCtxt; use crate::traits::project::ProjectAndUnifyResult; use rustc_infer::infer::DefineOpaqueTypes; use rustc_middle::mir::interpret::ErrorHandled; -use rustc_middle::ty::fold::{TypeFolder, TypeSuperFoldable}; use rustc_middle::ty::visit::TypeVisitableExt; use rustc_middle::ty::{ImplPolarity, Region, RegionVid}; @@ -187,7 +186,8 @@ impl<'tcx> AutoTraitFinder<'tcx> { panic!("Unable to fulfill trait {:?} for '{:?}': {:?}", trait_did, ty, errors); } - infcx.process_registered_region_obligations(&Default::default(), full_env); + let outlives_env = OutlivesEnvironment::new(full_env); + infcx.process_registered_region_obligations(&outlives_env); let region_data = infcx.inner.borrow_mut().unwrap_region_constraints().region_constraint_data().clone(); @@ -851,23 +851,3 @@ impl<'tcx> AutoTraitFinder<'tcx> { infcx.freshen(p) } } - -/// Replaces all ReVars in a type with ty::Region's, using the provided map -pub struct RegionReplacer<'a, 'tcx> { - vid_to_region: &'a FxHashMap<ty::RegionVid, ty::Region<'tcx>>, - tcx: TyCtxt<'tcx>, -} - -impl<'a, 'tcx> TypeFolder<TyCtxt<'tcx>> for RegionReplacer<'a, 'tcx> { - fn interner(&self) -> TyCtxt<'tcx> { - self.tcx - } - - fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> { - (match *r { - ty::ReVar(vid) => self.vid_to_region.get(&vid).cloned(), - _ => None, - }) - .unwrap_or_else(|| r.super_fold_with(self)) - } -} diff --git a/compiler/rustc_trait_selection/src/traits/chalk_fulfill.rs b/compiler/rustc_trait_selection/src/traits/chalk_fulfill.rs index b42a49eb47b..28967e1cc55 100644 --- a/compiler/rustc_trait_selection/src/traits/chalk_fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/chalk_fulfill.rs @@ -40,13 +40,16 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentContext<'tcx> { self.obligations.insert(obligation); } - fn collect_remaining_errors(&mut self) -> Vec<FulfillmentError<'tcx>> { + fn collect_remaining_errors( + &mut self, + _infcx: &InferCtxt<'tcx>, + ) -> Vec<FulfillmentError<'tcx>> { // any remaining obligations are errors self.obligations .iter() .map(|obligation| FulfillmentError { obligation: obligation.clone(), - code: FulfillmentErrorCode::CodeAmbiguity, + code: FulfillmentErrorCode::CodeAmbiguity { overflow: false }, // FIXME - does Chalk have a notation of 'root obligation'? // This is just for diagnostics, so it's okay if this is wrong root_obligation: obligation.clone(), diff --git a/compiler/rustc_trait_selection/src/traits/coherence.rs b/compiler/rustc_trait_selection/src/traits/coherence.rs index 53d4f95e9e3..20c2605f219 100644 --- a/compiler/rustc_trait_selection/src/traits/coherence.rs +++ b/compiler/rustc_trait_selection/src/traits/coherence.rs @@ -306,7 +306,7 @@ fn negative_impl(tcx: TyCtxt<'_>, impl1_def_id: DefId, impl2_def_id: DefId) -> b &infcx, ObligationCause::dummy(), impl_env, - tcx.impl_subject(impl1_def_id), + tcx.impl_subject(impl1_def_id).subst_identity(), ) { Ok(s) => s, Err(err) => { @@ -405,9 +405,6 @@ fn resolve_negative_obligation<'tcx>( param_env, infcx.implied_bounds_tys(param_env, body_def_id, wf_tys), ); - - infcx.process_registered_region_obligations(outlives_env.region_bound_pairs(), param_env); - infcx.resolve_regions(&outlives_env).is_empty() } diff --git a/compiler/rustc_trait_selection/src/traits/engine.rs b/compiler/rustc_trait_selection/src/traits/engine.rs index 8acc31cd410..2beebe94b6d 100644 --- a/compiler/rustc_trait_selection/src/traits/engine.rs +++ b/compiler/rustc_trait_selection/src/traits/engine.rs @@ -6,11 +6,13 @@ use super::{ChalkFulfillmentContext, FulfillmentContext}; use crate::solve::FulfillmentCtxt as NextFulfillmentCtxt; use crate::traits::NormalizeExt; use rustc_data_structures::fx::FxIndexSet; +use rustc_errors::ErrorGuaranteed; use rustc_hir::def_id::{DefId, LocalDefId}; use rustc_infer::infer::at::ToTrace; use rustc_infer::infer::canonical::{ Canonical, CanonicalQueryResponse, CanonicalVarValues, QueryResponse, }; +use rustc_infer::infer::outlives::env::OutlivesEnvironment; use rustc_infer::infer::{DefineOpaqueTypes, InferCtxt, InferOk}; use rustc_infer::traits::query::Fallible; use rustc_infer::traits::{ @@ -173,14 +175,33 @@ impl<'a, 'tcx> ObligationCtxt<'a, 'tcx> { .map(|infer_ok| self.register_infer_ok_obligations(infer_ok)) } + #[must_use] pub fn select_where_possible(&self) -> Vec<FulfillmentError<'tcx>> { self.engine.borrow_mut().select_where_possible(self.infcx) } + #[must_use] pub fn select_all_or_error(&self) -> Vec<FulfillmentError<'tcx>> { self.engine.borrow_mut().select_all_or_error(self.infcx) } + /// Resolves regions and reports errors. + /// + /// Takes ownership of the context as doing trait solving afterwards + /// will result in region constraints getting ignored. + pub fn resolve_regions_and_report_errors( + self, + generic_param_scope: LocalDefId, + outlives_env: &OutlivesEnvironment<'tcx>, + ) -> Result<(), ErrorGuaranteed> { + let errors = self.infcx.resolve_regions(&outlives_env); + if errors.is_empty() { + Ok(()) + } else { + Err(self.infcx.err_ctxt().report_region_errors(generic_param_scope, &errors)) + } + } + pub fn assumed_wf_types( &self, param_env: ty::ParamEnv<'tcx>, diff --git a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs index 6ebf056f0e8..0352f0f380d 100644 --- a/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/error_reporting/mod.rs @@ -125,6 +125,8 @@ pub trait TypeErrCtxtExt<'tcx> { + Print<'tcx, FmtPrinter<'tcx, 'tcx>, Output = FmtPrinter<'tcx, 'tcx>>, <T as Print<'tcx, FmtPrinter<'tcx, 'tcx>>>::Error: std::fmt::Debug; + fn report_overflow_no_abort(&self, obligation: PredicateObligation<'tcx>) -> ErrorGuaranteed; + fn report_fulfillment_errors(&self, errors: &[FulfillmentError<'tcx>]) -> ErrorGuaranteed; fn report_overflow_obligation<T>( @@ -602,6 +604,14 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { ); } + fn report_overflow_no_abort(&self, obligation: PredicateObligation<'tcx>) -> ErrorGuaranteed { + let obligation = self.resolve_vars_if_possible(obligation); + let mut err = self.build_overflow_error(&obligation.predicate, obligation.cause.span, true); + self.note_obligation_cause(&mut err, &obligation); + self.point_at_returns_when_relevant(&mut err, &obligation); + err.emit() + } + fn report_selection_error( &self, mut obligation: PredicateObligation<'tcx>, @@ -663,6 +673,7 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { return; } let trait_ref = trait_predicate.to_poly_trait_ref(); + let (post_message, pre_message, type_def) = self .get_parent_trait_ref(obligation.cause.code()) .map(|(t, s)| { @@ -702,33 +713,44 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { (message, note, append_const_msg) }; - let mut err = struct_span_err!( - self.tcx.sess, - span, - E0277, - "{}", - message - .and_then(|cannot_do_this| { - match (predicate_is_const, append_const_msg) { - // do nothing if predicate is not const - (false, _) => Some(cannot_do_this), - // suggested using default post message - (true, Some(None)) => { - Some(format!("{cannot_do_this} in const contexts")) - } - // overridden post message - (true, Some(Some(post_message))) => { - Some(format!("{cannot_do_this}{post_message}")) - } - // fallback to generic message - (true, None) => None, + let err_msg = message + .and_then(|cannot_do_this| { + match (predicate_is_const, append_const_msg) { + // do nothing if predicate is not const + (false, _) => Some(cannot_do_this), + // suggested using default post message + (true, Some(None)) => { + Some(format!("{cannot_do_this} in const contexts")) + } + // overridden post message + (true, Some(Some(post_message))) => { + Some(format!("{cannot_do_this}{post_message}")) } - }) - .unwrap_or_else(|| format!( + // fallback to generic message + (true, None) => None, + } + }) + .unwrap_or_else(|| { + format!( "the trait bound `{}` is not satisfied{}", trait_predicate, post_message, - )) - ); + ) + }); + + let (err_msg, safe_transmute_explanation) = if Some(trait_ref.def_id()) + == self.tcx.lang_items().transmute_trait() + { + // Recompute the safe transmute reason and use that for the error reporting + self.get_safe_transmute_error_and_reason( + obligation.clone(), + trait_ref, + span, + ) + } else { + (err_msg, None) + }; + + let mut err = struct_span_err!(self.tcx.sess, span, E0277, "{}", err_msg); if is_try_conversion && let Some(ret_span) = self.return_type_span(&obligation) { err.span_label( @@ -818,6 +840,8 @@ impl<'tcx> TypeErrCtxtExt<'tcx> for TypeErrCtxt<'_, 'tcx> { // at the type param with a label to suggest constraining it. err.help(&explanation); } + } else if let Some(custom_explanation) = safe_transmute_explanation { + err.span_label(span, custom_explanation); } else { err.span_label(span, explanation); } @@ -1601,6 +1625,13 @@ trait InferCtxtPrivExt<'tcx> { obligated_types: &mut Vec<Ty<'tcx>>, cause_code: &ObligationCauseCode<'tcx>, ) -> bool; + + fn get_safe_transmute_error_and_reason( + &self, + obligation: Obligation<'tcx, ty::Predicate<'tcx>>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, + span: Span, + ) -> (String, Option<String>); } impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { @@ -1658,9 +1689,12 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { FulfillmentErrorCode::CodeProjectionError(ref e) => { self.report_projection_error(&error.obligation, e); } - FulfillmentErrorCode::CodeAmbiguity => { + FulfillmentErrorCode::CodeAmbiguity { overflow: false } => { self.maybe_report_ambiguity(&error.obligation); } + FulfillmentErrorCode::CodeAmbiguity { overflow: true } => { + self.report_overflow_no_abort(error.obligation.clone()); + } FulfillmentErrorCode::CodeSubtypeError(ref expected_found, ref err) => { self.report_mismatched_types( &error.obligation.cause, @@ -1763,7 +1797,10 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { // constrain inference variables a bit more to nested obligations from normalize so // we can have more helpful errors. - ocx.select_where_possible(); + // + // we intentionally drop errors from normalization here, + // since the normalization is just done to improve the error message. + let _ = ocx.select_where_possible(); if let Err(new_err) = ocx.eq_exp( &obligation.cause, @@ -2380,8 +2417,8 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { } if let Some(ty::subst::GenericArgKind::Type(_)) = subst.map(|subst| subst.unpack()) + && let Some(body_id) = self.tcx.hir().maybe_body_owned_by(obligation.cause.body_id) { - let body_id = self.tcx.hir().body_owned_by(obligation.cause.body_id); let mut expr_finder = FindExprBySpan::new(span); expr_finder.visit_expr(&self.tcx.hir().body(body_id).value); @@ -2879,6 +2916,68 @@ impl<'tcx> InferCtxtPrivExt<'tcx> for TypeErrCtxt<'_, 'tcx> { } false } + + fn get_safe_transmute_error_and_reason( + &self, + obligation: Obligation<'tcx, ty::Predicate<'tcx>>, + trait_ref: ty::Binder<'tcx, ty::TraitRef<'tcx>>, + span: Span, + ) -> (String, Option<String>) { + // Erase regions because layout code doesn't particularly care about regions. + let trait_ref = self.tcx.erase_regions(self.tcx.erase_late_bound_regions(trait_ref)); + + let src_and_dst = rustc_transmute::Types { + dst: trait_ref.substs.type_at(0), + src: trait_ref.substs.type_at(1), + }; + let scope = trait_ref.substs.type_at(2); + let Some(assume) = + rustc_transmute::Assume::from_const(self.infcx.tcx, obligation.param_env, trait_ref.substs.const_at(3)) else { + span_bug!(span, "Unable to construct rustc_transmute::Assume where it was previously possible"); + }; + match rustc_transmute::TransmuteTypeEnv::new(self.infcx).is_transmutable( + obligation.cause, + src_and_dst, + scope, + assume, + ) { + rustc_transmute::Answer::No(reason) => { + let dst = trait_ref.substs.type_at(0); + let src = trait_ref.substs.type_at(1); + let custom_err_msg = format!( + "`{src}` cannot be safely transmuted into `{dst}` in the defining scope of `{scope}`" + ); + let reason_msg = match reason { + rustc_transmute::Reason::SrcIsUnspecified => { + format!("`{src}` does not have a well-specified layout") + } + + rustc_transmute::Reason::DstIsUnspecified => { + format!("`{dst}` does not have a well-specified layout") + } + + rustc_transmute::Reason::DstIsBitIncompatible => { + format!("At least one value of `{src}` isn't a bit-valid value of `{dst}`") + } + + rustc_transmute::Reason::DstIsPrivate => format!( + "`{dst}` is or contains a type or field that is not visible in that scope" + ), + // FIXME(bryangarza): Include the number of bytes of src and dst + rustc_transmute::Reason::DstIsTooBig => { + format!("The size of `{src}` is smaller than the size of `{dst}`") + } + }; + (custom_err_msg, Some(reason_msg)) + } + // Should never get a Yes at this point! We already ran it before, and did not get a Yes. + rustc_transmute::Answer::Yes => span_bug!( + span, + "Inconsistent rustc_transmute::is_transmutable(...) result, got Yes", + ), + _ => span_bug!(span, "Unsupported rustc_transmute::Reason variant"), + } + } } /// Crude way of getting back an `Expr` from a `Span`. diff --git a/compiler/rustc_trait_selection/src/traits/fulfill.rs b/compiler/rustc_trait_selection/src/traits/fulfill.rs index 07e31e87bfb..26cadab3e9f 100644 --- a/compiler/rustc_trait_selection/src/traits/fulfill.rs +++ b/compiler/rustc_trait_selection/src/traits/fulfill.rs @@ -133,8 +133,15 @@ impl<'tcx> TraitEngine<'tcx> for FulfillmentContext<'tcx> { .register_obligation(PendingPredicateObligation { obligation, stalled_on: vec![] }); } - fn collect_remaining_errors(&mut self) -> Vec<FulfillmentError<'tcx>> { - self.predicates.to_errors(CodeAmbiguity).into_iter().map(to_fulfillment_error).collect() + fn collect_remaining_errors( + &mut self, + _infcx: &InferCtxt<'tcx>, + ) -> Vec<FulfillmentError<'tcx>> { + self.predicates + .to_errors(CodeAmbiguity { overflow: false }) + .into_iter() + .map(to_fulfillment_error) + .collect() } fn select_where_possible(&mut self, infcx: &InferCtxt<'tcx>) -> Vec<FulfillmentError<'tcx>> { diff --git a/compiler/rustc_trait_selection/src/traits/misc.rs b/compiler/rustc_trait_selection/src/traits/misc.rs index 0bde43c54df..af567c07438 100644 --- a/compiler/rustc_trait_selection/src/traits/misc.rs +++ b/compiler/rustc_trait_selection/src/traits/misc.rs @@ -117,10 +117,6 @@ pub fn type_allowed_to_implement_copy<'tcx>( FxIndexSet::from_iter([self_type]), ), ); - infcx.process_registered_region_obligations( - outlives_env.region_bound_pairs(), - param_env, - ); let errors = infcx.resolve_regions(&outlives_env); if !errors.is_empty() { infringing.push((field, ty, InfringingFieldsReason::Regions(errors))); diff --git a/compiler/rustc_trait_selection/src/traits/mod.rs b/compiler/rustc_trait_selection/src/traits/mod.rs index 8a203dec86b..ed82b9c0152 100644 --- a/compiler/rustc_trait_selection/src/traits/mod.rs +++ b/compiler/rustc_trait_selection/src/traits/mod.rs @@ -450,7 +450,7 @@ fn is_impossible_method(tcx: TyCtxt<'_>, (impl_def_id, trait_item_def_id): (DefI { return ControlFlow::Break(()); } - r.super_visit_with(self) + ControlFlow::Continue(()) } fn visit_const(&mut self, ct: ty::Const<'tcx>) -> ControlFlow<Self::BreakTy> { if let ty::ConstKind::Param(param) = ct.kind() diff --git a/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs b/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs index cff3d277a78..e01a57ea4fe 100644 --- a/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs +++ b/compiler/rustc_trait_selection/src/traits/outlives_bounds.rs @@ -55,7 +55,18 @@ impl<'a, 'tcx: 'a> InferCtxtExt<'a, 'tcx> for InferCtxt<'tcx> { ) -> Vec<OutlivesBound<'tcx>> { let ty = self.resolve_vars_if_possible(ty); let ty = OpportunisticRegionResolver::new(self).fold_ty(ty); - assert!(!ty.needs_infer()); + + // We do not expect existential variables in implied bounds. + // We may however encounter unconstrained lifetime variables in invalid + // code. See #110161 for context. + assert!(!ty.has_non_region_infer()); + if ty.needs_infer() { + self.tcx.sess.delay_span_bug( + self.tcx.def_span(body_id), + "skipped implied_outlives_bounds due to unconstrained lifetimes", + ); + return vec![]; + } let span = self.tcx.def_span(body_id); let result = param_env diff --git a/compiler/rustc_trait_selection/src/traits/query/type_op/prove_predicate.rs b/compiler/rustc_trait_selection/src/traits/query/type_op/prove_predicate.rs index b63da28e274..baa2fbb6751 100644 --- a/compiler/rustc_trait_selection/src/traits/query/type_op/prove_predicate.rs +++ b/compiler/rustc_trait_selection/src/traits/query/type_op/prove_predicate.rs @@ -32,14 +32,8 @@ impl<'tcx> super::QueryTypeOp<'tcx> for ProvePredicate<'tcx> { fn perform_query( tcx: TyCtxt<'tcx>, - mut canonicalized: Canonical<'tcx, ParamEnvAnd<'tcx, Self>>, + canonicalized: Canonical<'tcx, ParamEnvAnd<'tcx, Self>>, ) -> Fallible<CanonicalQueryResponse<'tcx, ()>> { - match canonicalized.value.value.predicate.kind().skip_binder() { - ty::PredicateKind::Clause(ty::Clause::Trait(pred)) => { - canonicalized.value.param_env.remap_constness_with(pred.constness); - } - _ => canonicalized.value.param_env = canonicalized.value.param_env.without_const(), - } tcx.type_op_prove_predicate(canonicalized) } } diff --git a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs index a794d20d683..1f5bbc178f7 100644 --- a/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs +++ b/compiler/rustc_trait_selection/src/traits/select/candidate_assembly.rs @@ -294,7 +294,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { return; } - // Keep this funtion in sync with extract_tupled_inputs_and_output_from_callable + // Keep this function in sync with extract_tupled_inputs_and_output_from_callable // until the old solver (and thus this function) is removed. // Okay to skip binder because what we are inspecting doesn't involve bound regions. @@ -406,7 +406,7 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { } match obligation.self_ty().skip_binder().kind() { - // Fast path to avoid evaluating an obligation that trivally holds. + // Fast path to avoid evaluating an obligation that trivially holds. // There may be more bounds, but these are checked by the regular path. ty::FnPtr(..) => return false, // These may potentially implement `FnPtr` diff --git a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs index 5e60bc01bb6..3bba11262f5 100644 --- a/compiler/rustc_trait_selection/src/traits/select/confirmation.rs +++ b/compiler/rustc_trait_selection/src/traits/select/confirmation.rs @@ -275,33 +275,35 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> { ) -> Result<ImplSourceBuiltinData<PredicateObligation<'tcx>>, SelectionError<'tcx>> { debug!(?obligation, "confirm_transmutability_candidate"); - let predicate = obligation.predicate; - - let type_at = |i| predicate.map_bound(|p| p.trait_ref.substs.type_at(i)); - let const_at = |i| predicate.skip_binder().trait_ref.substs.const_at(i); - - let src_and_dst = predicate.map_bound(|p| rustc_transmute::Types { - dst: p.trait_ref.substs.type_at(0), - src: p.trait_ref.substs.type_at(1), - }); - - let scope = type_at(2).skip_binder(); - - let Some(assume) = - rustc_transmute::Assume::from_const(self.infcx.tcx, obligation.param_env, const_at(3)) else { - return Err(Unimplemented); - }; - - let cause = obligation.cause.clone(); + // We erase regions here because transmutability calls layout queries, + // which does not handle inference regions and doesn't particularly + // care about other regions. Erasing late-bound regions is equivalent + // to instantiating the binder with placeholders then erasing those + // placeholder regions. + let predicate = + self.tcx().erase_regions(self.tcx().erase_late_bound_regions(obligation.predicate)); + + let Some(assume) = rustc_transmute::Assume::from_const( + self.infcx.tcx, + obligation.param_env, + predicate.trait_ref.substs.const_at(3) + ) else { + return Err(Unimplemented); + }; let mut transmute_env = rustc_transmute::TransmuteTypeEnv::new(self.infcx); - - let maybe_transmutable = transmute_env.is_transmutable(cause, src_and_dst, scope, assume); - - use rustc_transmute::Answer; + let maybe_transmutable = transmute_env.is_transmutable( + obligation.cause.clone(), + rustc_transmute::Types { + dst: predicate.trait_ref.substs.type_at(0), + src: predicate.trait_ref.substs.type_at(1), + }, + predicate.trait_ref.substs.type_at(2), + assume, + ); match maybe_transmutable { - Answer::Yes => Ok(ImplSourceBuiltinData { nested: vec![] }), + rustc_transmute::Answer::Yes => Ok(ImplSourceBuiltinData { nested: vec![] }), _ => Err(Unimplemented), } } diff --git a/compiler/rustc_trait_selection/src/traits/util.rs b/compiler/rustc_trait_selection/src/traits/util.rs index 00c9a352258..7792ceabe7e 100644 --- a/compiler/rustc_trait_selection/src/traits/util.rs +++ b/compiler/rustc_trait_selection/src/traits/util.rs @@ -115,7 +115,7 @@ impl<'tcx> TraitAliasExpander<'tcx> { } // Get components of trait alias. - let predicates = tcx.super_predicates_of(trait_ref.def_id()); + let predicates = tcx.implied_predicates_of(trait_ref.def_id()); debug!(?predicates); let items = predicates.predicates.iter().rev().filter_map(|(pred, span)| { @@ -198,7 +198,7 @@ pub fn impl_subject_and_oblig<'a, 'tcx>( impl_def_id: DefId, impl_substs: SubstsRef<'tcx>, ) -> (ImplSubject<'tcx>, impl Iterator<Item = PredicateObligation<'tcx>>) { - let subject = selcx.tcx().bound_impl_subject(impl_def_id); + let subject = selcx.tcx().impl_subject(impl_def_id); let subject = subject.subst(selcx.tcx(), impl_substs); let InferOk { value: subject, obligations: normalization_obligations1 } = @@ -243,16 +243,11 @@ pub fn get_vtable_index_of_object_method<'tcx, N>( ) -> Option<usize> { // Count number of methods preceding the one we are selecting and // add them to the total offset. - if let Some(index) = tcx - .own_existential_vtable_entries(object.upcast_trait_ref.def_id()) + tcx.own_existential_vtable_entries(object.upcast_trait_ref.def_id()) .iter() .copied() .position(|def_id| def_id == method_def_id) - { - Some(object.vtable_base + index) - } else { - None - } + .map(|index| object.vtable_base + index) } pub fn closure_trait_ref_and_return_type<'tcx>( diff --git a/compiler/rustc_traits/src/chalk/lowering.rs b/compiler/rustc_traits/src/chalk/lowering.rs index 2be72879b7b..31eea22d72b 100644 --- a/compiler/rustc_traits/src/chalk/lowering.rs +++ b/compiler/rustc_traits/src/chalk/lowering.rs @@ -998,7 +998,7 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for BoundVarsCollector<'tcx> { _ => (), }; - r.super_visit_with(self) + ControlFlow::Continue(()) } } @@ -1048,7 +1048,7 @@ impl<'a, 'tcx> TypeFolder<TyCtxt<'tcx>> for NamedBoundVarSubstitutor<'a, 'tcx> { _ => (), }; - r.super_fold_with(self) + r } } @@ -1142,7 +1142,7 @@ impl<'tcx> TypeFolder<TyCtxt<'tcx>> for ParamsSubstitutor<'tcx> { } }, - _ => r.super_fold_with(self), + _ => r, } } } @@ -1223,6 +1223,6 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for PlaceholdersCollector { _ => (), }; - r.super_visit_with(self) + ControlFlow::Continue(()) } } diff --git a/compiler/rustc_traits/src/dropck_outlives.rs b/compiler/rustc_traits/src/dropck_outlives.rs index b5924e94914..58117c46f04 100644 --- a/compiler/rustc_traits/src/dropck_outlives.rs +++ b/compiler/rustc_traits/src/dropck_outlives.rs @@ -292,7 +292,9 @@ pub(crate) fn adt_dtorck_constraint( let span = tcx.def_span(def_id); debug!("dtorck_constraint: {:?}", def); - if def.is_phantom_data() { + if def.is_manually_drop() { + bug!("`ManuallyDrop` should have been handled by `trivial_dropck_outlives`"); + } else if def.is_phantom_data() { // The first generic parameter here is guaranteed to be a type because it's // `PhantomData`. let substs = InternalSubsts::identity_for_item(tcx, def_id); diff --git a/compiler/rustc_traits/src/type_op.rs b/compiler/rustc_traits/src/type_op.rs index e0fd487b3d3..19622112f2a 100644 --- a/compiler/rustc_traits/src/type_op.rs +++ b/compiler/rustc_traits/src/type_op.rs @@ -89,6 +89,7 @@ fn relate_mir_and_user_substs<'tcx>( def_id: hir::def_id::DefId, user_substs: UserSubsts<'tcx>, ) -> Result<(), NoSolution> { + let param_env = param_env.without_const(); let UserSubsts { user_self_ty, substs } = user_substs; let tcx = ocx.infcx.tcx; let cause = ObligationCause::dummy_with_span(span); diff --git a/compiler/rustc_transmute/src/layout/tree.rs b/compiler/rustc_transmute/src/layout/tree.rs index 295b65c2cc9..a6d88b1342a 100644 --- a/compiler/rustc_transmute/src/layout/tree.rs +++ b/compiler/rustc_transmute/src/layout/tree.rs @@ -167,36 +167,36 @@ where } } -#[derive(Debug, Copy, Clone)] -pub(crate) enum Err { - /// The layout of the type is unspecified. - Unspecified, - /// This error will be surfaced elsewhere by rustc, so don't surface it. - Unknown, -} - #[cfg(feature = "rustc")] pub(crate) mod rustc { - use super::{Err, Tree}; + use super::Tree; use crate::layout::rustc::{Def, Ref}; - use rustc_middle::ty; use rustc_middle::ty::layout::LayoutError; use rustc_middle::ty::util::Discr; use rustc_middle::ty::AdtDef; use rustc_middle::ty::ParamEnv; use rustc_middle::ty::SubstsRef; - use rustc_middle::ty::Ty; - use rustc_middle::ty::TyCtxt; use rustc_middle::ty::VariantDef; + use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt}; + use rustc_span::ErrorGuaranteed; use rustc_target::abi::Align; use std::alloc; + #[derive(Debug, Copy, Clone)] + pub(crate) enum Err { + /// The layout of the type is unspecified. + Unspecified, + /// This error will be surfaced elsewhere by rustc, so don't surface it. + Unknown, + TypeError(ErrorGuaranteed), + } + impl<'tcx> From<LayoutError<'tcx>> for Err { fn from(err: LayoutError<'tcx>) -> Self { match err { LayoutError::Unknown(..) => Self::Unknown, - err @ _ => unimplemented!("{:?}", err), + err => unimplemented!("{:?}", err), } } } @@ -261,6 +261,10 @@ pub(crate) mod rustc { use rustc_middle::ty::UintTy::*; use rustc_target::abi::HasDataLayout; + if let Err(e) = ty.error_reported() { + return Err(Err::TypeError(e)); + } + let target = tcx.data_layout(); match ty.kind() { diff --git a/compiler/rustc_transmute/src/lib.rs b/compiler/rustc_transmute/src/lib.rs index a93a42987ed..8be02c1d988 100644 --- a/compiler/rustc_transmute/src/lib.rs +++ b/compiler/rustc_transmute/src/lib.rs @@ -64,7 +64,6 @@ mod rustc { use rustc_infer::infer::InferCtxt; use rustc_macros::{TypeFoldable, TypeVisitable}; use rustc_middle::traits::ObligationCause; - use rustc_middle::ty::Binder; use rustc_middle::ty::Const; use rustc_middle::ty::ParamEnv; use rustc_middle::ty::Ty; @@ -92,15 +91,13 @@ mod rustc { pub fn is_transmutable( &mut self, cause: ObligationCause<'tcx>, - src_and_dst: Binder<'tcx, Types<'tcx>>, + types: Types<'tcx>, scope: Ty<'tcx>, assume: crate::Assume, ) -> crate::Answer<crate::layout::rustc::Ref<'tcx>> { - let src = src_and_dst.map_bound(|types| types.src).skip_binder(); - let dst = src_and_dst.map_bound(|types| types.dst).skip_binder(); crate::maybe_transmutable::MaybeTransmutableQuery::new( - src, - dst, + types.src, + types.dst, scope, assume, self.infcx.tcx, diff --git a/compiler/rustc_transmute/src/maybe_transmutable/mod.rs b/compiler/rustc_transmute/src/maybe_transmutable/mod.rs index 1186eac37ab..2e2fb90e71c 100644 --- a/compiler/rustc_transmute/src/maybe_transmutable/mod.rs +++ b/compiler/rustc_transmute/src/maybe_transmutable/mod.rs @@ -56,7 +56,7 @@ where #[cfg(feature = "rustc")] mod rustc { use super::*; - use crate::layout::tree::Err; + use crate::layout::tree::rustc::Err; use rustc_middle::ty::Ty; use rustc_middle::ty::TyCtxt; @@ -71,19 +71,20 @@ mod rustc { // representations. If these conversions fail, conclude that the transmutation is // unacceptable; the layouts of both the source and destination types must be // well-defined. - let src = Tree::from_ty(src, context).map_err(|err| match err { - // Answer `Yes` here, because "Unknown Type" will already be reported by - // rustc. No need to spam the user with more errors. - Err::Unknown => Answer::Yes, - Err::Unspecified => Answer::No(Reason::SrcIsUnspecified), - })?; + let src = Tree::from_ty(src, context); + let dst = Tree::from_ty(dst, context); - let dst = Tree::from_ty(dst, context).map_err(|err| match err { - Err::Unknown => Answer::Yes, - Err::Unspecified => Answer::No(Reason::DstIsUnspecified), - })?; - - Ok((src, dst)) + match (src, dst) { + // Answer `Yes` here, because 'unknown layout' and type errors will already + // be reported by rustc. No need to spam the user with more errors. + (Err(Err::TypeError(_)), _) => Err(Answer::Yes), + (_, Err(Err::TypeError(_))) => Err(Answer::Yes), + (Err(Err::Unknown), _) => Err(Answer::Yes), + (_, Err(Err::Unknown)) => Err(Answer::Yes), + (Err(Err::Unspecified), _) => Err(Answer::No(Reason::SrcIsUnspecified)), + (_, Err(Err::Unspecified)) => Err(Answer::No(Reason::DstIsUnspecified)), + (Ok(src), Ok(dst)) => Ok((src, dst)), + } }); match query_or_answer { diff --git a/compiler/rustc_transmute/src/maybe_transmutable/tests.rs b/compiler/rustc_transmute/src/maybe_transmutable/tests.rs index 4d5772a4f2e..a8675f4ae37 100644 --- a/compiler/rustc_transmute/src/maybe_transmutable/tests.rs +++ b/compiler/rustc_transmute/src/maybe_transmutable/tests.rs @@ -1,6 +1,6 @@ use super::query_context::test::{Def, UltraMinimal}; use crate::maybe_transmutable::MaybeTransmutableQuery; -use crate::{layout, Answer, Reason, Set}; +use crate::{layout, Answer, Reason}; use itertools::Itertools; mod bool { @@ -48,9 +48,9 @@ mod bool { let into_set = |alts: Vec<_>| { #[cfg(feature = "rustc")] - let mut set = Set::default(); + let mut set = crate::Set::default(); #[cfg(not(feature = "rustc"))] - let mut set = Set::new(); + let mut set = std::collections::HashSet::new(); set.extend(alts); set }; diff --git a/compiler/rustc_ty_utils/messages.ftl b/compiler/rustc_ty_utils/messages.ftl index a1e97bb95bc..15a14112f4a 100644 --- a/compiler/rustc_ty_utils/messages.ftl +++ b/compiler/rustc_ty_utils/messages.ftl @@ -12,7 +12,7 @@ ty_utils_array_not_supported = array construction is not supported in generic co ty_utils_block_not_supported = blocks are not supported in generic constants -ty_utils_never_to_any_not_supported = converting nevers to any is not supported in generic constants +ty_utils_never_to_any_not_supported = coercing the `never` type is not supported in generic constants ty_utils_tuple_not_supported = tuple construction is not supported in generic constants @@ -54,4 +54,4 @@ ty_utils_multiple_array_fields_simd_type = monomorphising SIMD type `{$ty}` with ty_utils_oversized_simd_type = monomorphising SIMD type `{$ty}` of length greater than {$max_lanes} -ty_utils_non_primative_simd_type = monomorphising SIMD type `{$ty}` with a non-primitive-scalar (integer/float/pointer) element type `{$e_ty}` +ty_utils_non_primitive_simd_type = monomorphising SIMD type `{$ty}` with a non-primitive-scalar (integer/float/pointer) element type `{$e_ty}` diff --git a/compiler/rustc_ty_utils/src/errors.rs b/compiler/rustc_ty_utils/src/errors.rs index 3db3c98e9e2..3d3fc50e6e5 100644 --- a/compiler/rustc_ty_utils/src/errors.rs +++ b/compiler/rustc_ty_utils/src/errors.rs @@ -95,7 +95,7 @@ pub struct OversizedSimdType<'tcx> { } #[derive(Diagnostic)] -#[diag(ty_utils_non_primative_simd_type)] +#[diag(ty_utils_non_primitive_simd_type)] pub struct NonPrimitiveSimdType<'tcx> { pub ty: Ty<'tcx>, pub e_ty: Ty<'tcx>, diff --git a/compiler/rustc_ty_utils/src/instance.rs b/compiler/rustc_ty_utils/src/instance.rs index 0a6c118093e..47cd7af221d 100644 --- a/compiler/rustc_ty_utils/src/instance.rs +++ b/compiler/rustc_ty_utils/src/instance.rs @@ -234,15 +234,12 @@ fn resolve_associated_item<'tcx>( _ => None, }, traits::ImplSource::Object(ref data) => { - if let Some(index) = traits::get_vtable_index_of_object_method(tcx, data, trait_item_id) - { - Some(Instance { + traits::get_vtable_index_of_object_method(tcx, data, trait_item_id).map(|index| { + Instance { def: ty::InstanceDef::Virtual(trait_item_id, index), substs: rcvr_substs, - }) - } else { - None - } + } + }) } traits::ImplSource::Builtin(..) => { let lang_items = tcx.lang_items(); diff --git a/compiler/rustc_ty_utils/src/layout.rs b/compiler/rustc_ty_utils/src/layout.rs index 63eb34f7d55..63ef1c72417 100644 --- a/compiler/rustc_ty_utils/src/layout.rs +++ b/compiler/rustc_ty_utils/src/layout.rs @@ -322,7 +322,7 @@ fn layout_of_uncached<'tcx>( if fi.ty(tcx, substs) != f0_ty { tcx.sess.delay_span_bug( DUMMY_SP, - "#[repr(simd)] was applied to an ADT with hetrogeneous field type", + "#[repr(simd)] was applied to an ADT with heterogeneous field type", ); return Err(LayoutError::Unknown(ty)); } diff --git a/compiler/rustc_ty_utils/src/structural_match.rs b/compiler/rustc_ty_utils/src/structural_match.rs index a55bb7e7e90..9cb0fc10594 100644 --- a/compiler/rustc_ty_utils/src/structural_match.rs +++ b/compiler/rustc_ty_utils/src/structural_match.rs @@ -13,7 +13,7 @@ use rustc_trait_selection::traits::{ObligationCause, ObligationCtxt}; /// Note that this does *not* recursively check if the substructure of `adt_ty` /// implements the traits. fn has_structural_eq_impls<'tcx>(tcx: TyCtxt<'tcx>, adt_ty: Ty<'tcx>) -> bool { - let ref infcx = tcx.infer_ctxt().build(); + let infcx = &tcx.infer_ctxt().build(); let cause = ObligationCause::dummy(); let ocx = ObligationCtxt::new(infcx); diff --git a/compiler/rustc_type_ir/src/fold.rs b/compiler/rustc_type_ir/src/fold.rs index 3a053d4c6a9..371c6119122 100644 --- a/compiler/rustc_type_ir/src/fold.rs +++ b/compiler/rustc_type_ir/src/fold.rs @@ -16,8 +16,10 @@ //! - Types of interest, for which the methods delegate to the folder. //! - All other types, including generic containers like `Vec` and `Option`. //! It defines a "skeleton" of how they should be folded. -//! - `TypeSuperFoldable`. This is implemented only for each type of interest, -//! and defines the folding "skeleton" for these types. +//! - `TypeSuperFoldable`. This is implemented only for recursive types of +//! interest, and defines the folding "skeleton" for these types. (This +//! excludes `Region` because it is non-recursive, i.e. it never contains +//! other types of interest.) //! - `TypeFolder`/`FallibleTypeFolder`. One of these is implemented for each //! folder. This defines how types of interest are folded. //! @@ -72,9 +74,9 @@ pub trait TypeFoldable<I: Interner>: TypeVisitable<I> { // This trait is implemented for types of interest. pub trait TypeSuperFoldable<I: Interner>: TypeFoldable<I> { - /// Provides a default fold for a type of interest. This should only be - /// called within `TypeFolder` methods, when a non-custom traversal is - /// desired for the value of the type of interest passed to that method. + /// Provides a default fold for a recursive type of interest. This should + /// only be called within `TypeFolder` methods, when a non-custom traversal + /// is desired for the value of the type of interest passed to that method. /// For example, in `MyFolder::try_fold_ty(ty)`, it is valid to call /// `ty.try_super_fold_with(self)`, but any other folding should be done /// with `xyz.try_fold_with(self)`. @@ -118,11 +120,11 @@ pub trait TypeFolder<I: Interner>: FallibleTypeFolder<I, Error = !> { t.super_fold_with(self) } - fn fold_region(&mut self, r: I::Region) -> I::Region - where - I::Region: TypeSuperFoldable<I>, - { - r.super_fold_with(self) + // The default region folder is a no-op because `Region` is non-recursive + // and has no `super_visit_with` method to call. That also explains the + // lack of `I::Region: TypeSuperFoldable<I>` bound on this method. + fn fold_region(&mut self, r: I::Region) -> I::Region { + r } fn fold_const(&mut self, c: I::Const) -> I::Const @@ -167,11 +169,11 @@ pub trait FallibleTypeFolder<I: Interner>: Sized { t.try_super_fold_with(self) } - fn try_fold_region(&mut self, r: I::Region) -> Result<I::Region, Self::Error> - where - I::Region: TypeSuperFoldable<I>, - { - r.try_super_fold_with(self) + // The default region folder is a no-op because `Region` is non-recursive + // and has no `super_visit_with` method to call. That also explains the + // lack of `I::Region: TypeSuperFoldable<I>` bound on this method. + fn try_fold_region(&mut self, r: I::Region) -> Result<I::Region, Self::Error> { + Ok(r) } fn try_fold_const(&mut self, c: I::Const) -> Result<I::Const, Self::Error> @@ -216,10 +218,7 @@ where Ok(self.fold_ty(t)) } - fn try_fold_region(&mut self, r: I::Region) -> Result<I::Region, !> - where - I::Region: TypeSuperFoldable<I>, - { + fn try_fold_region(&mut self, r: I::Region) -> Result<I::Region, !> { Ok(self.fold_region(r)) } diff --git a/compiler/rustc_type_ir/src/lib.rs b/compiler/rustc_type_ir/src/lib.rs index 8b23fbc7583..a3c98ae007e 100644 --- a/compiler/rustc_type_ir/src/lib.rs +++ b/compiler/rustc_type_ir/src/lib.rs @@ -83,7 +83,7 @@ pub trait CollectAndApply<T, R>: Sized { /// Produce a result of type `Self::Output` from `iter`. The result will /// typically be produced by applying `f` on the elements produced by /// `iter`, though this may not happen in some impls, e.g. if an error - /// occured during iteration. + /// occurred during iteration. fn collect_and_apply<I, F>(iter: I, f: F) -> Self::Output where I: Iterator<Item = Self>, diff --git a/compiler/rustc_type_ir/src/macros.rs b/compiler/rustc_type_ir/src/macros.rs index 6c181039730..8c3cb228322 100644 --- a/compiler/rustc_type_ir/src/macros.rs +++ b/compiler/rustc_type_ir/src/macros.rs @@ -33,144 +33,3 @@ macro_rules! TrivialTypeTraversalImpls { )+ }; } - -macro_rules! EnumTypeTraversalImpl { - (impl<$($p:tt),*> TypeFoldable<$tcx:tt> for $s:path { - $($variants:tt)* - } $(where $($wc:tt)*)*) => { - impl<$($p),*> $crate::fold::TypeFoldable<$tcx> for $s - $(where $($wc)*)* - { - fn try_fold_with<V: $crate::fold::FallibleTypeFolder<$tcx>>( - self, - folder: &mut V, - ) -> ::std::result::Result<Self, V::Error> { - EnumTypeTraversalImpl!(@FoldVariants(self, folder) input($($variants)*) output()) - } - } - }; - - (impl<$($p:tt),*> TypeVisitable<$tcx:tt> for $s:path { - $($variants:tt)* - } $(where $($wc:tt)*)*) => { - impl<$($p),*> $crate::visit::TypeVisitable<$tcx> for $s - $(where $($wc)*)* - { - fn visit_with<V: $crate::visit::TypeVisitor<$tcx>>( - &self, - visitor: &mut V, - ) -> ::std::ops::ControlFlow<V::BreakTy> { - EnumTypeTraversalImpl!(@VisitVariants(self, visitor) input($($variants)*) output()) - } - } - }; - - (@FoldVariants($this:expr, $folder:expr) input() output($($output:tt)*)) => { - Ok(match $this { - $($output)* - }) - }; - - (@FoldVariants($this:expr, $folder:expr) - input( ($variant:path) ( $($variant_arg:ident),* ) , $($input:tt)*) - output( $($output:tt)*) ) => { - EnumTypeTraversalImpl!( - @FoldVariants($this, $folder) - input($($input)*) - output( - $variant ( $($variant_arg),* ) => { - $variant ( - $($crate::fold::TypeFoldable::try_fold_with($variant_arg, $folder)?),* - ) - } - $($output)* - ) - ) - }; - - (@FoldVariants($this:expr, $folder:expr) - input( ($variant:path) { $($variant_arg:ident),* $(,)? } , $($input:tt)*) - output( $($output:tt)*) ) => { - EnumTypeTraversalImpl!( - @FoldVariants($this, $folder) - input($($input)*) - output( - $variant { $($variant_arg),* } => { - $variant { - $($variant_arg: $crate::fold::TypeFoldable::fold_with( - $variant_arg, $folder - )?),* } - } - $($output)* - ) - ) - }; - - (@FoldVariants($this:expr, $folder:expr) - input( ($variant:path), $($input:tt)*) - output( $($output:tt)*) ) => { - EnumTypeTraversalImpl!( - @FoldVariants($this, $folder) - input($($input)*) - output( - $variant => { $variant } - $($output)* - ) - ) - }; - - (@VisitVariants($this:expr, $visitor:expr) input() output($($output:tt)*)) => { - match $this { - $($output)* - } - }; - - (@VisitVariants($this:expr, $visitor:expr) - input( ($variant:path) ( $($variant_arg:ident),* ) , $($input:tt)*) - output( $($output:tt)*) ) => { - EnumTypeTraversalImpl!( - @VisitVariants($this, $visitor) - input($($input)*) - output( - $variant ( $($variant_arg),* ) => { - $($crate::visit::TypeVisitable::visit_with( - $variant_arg, $visitor - )?;)* - ::std::ops::ControlFlow::Continue(()) - } - $($output)* - ) - ) - }; - - (@VisitVariants($this:expr, $visitor:expr) - input( ($variant:path) { $($variant_arg:ident),* $(,)? } , $($input:tt)*) - output( $($output:tt)*) ) => { - EnumTypeTraversalImpl!( - @VisitVariants($this, $visitor) - input($($input)*) - output( - $variant { $($variant_arg),* } => { - $($crate::visit::TypeVisitable::visit_with( - $variant_arg, $visitor - )?;)* - ::std::ops::ControlFlow::Continue(()) - } - $($output)* - ) - ) - }; - - (@VisitVariants($this:expr, $visitor:expr) - input( ($variant:path), $($input:tt)*) - output( $($output:tt)*) ) => { - EnumTypeTraversalImpl!( - @VisitVariants($this, $visitor) - input($($input)*) - output( - $variant => { ::std::ops::ControlFlow::Continue(()) } - $($output)* - ) - ) - }; -} diff --git a/compiler/rustc_type_ir/src/structural_impls.rs b/compiler/rustc_type_ir/src/structural_impls.rs index 3ebe241042f..c90c86b7690 100644 --- a/compiler/rustc_type_ir/src/structural_impls.rs +++ b/compiler/rustc_type_ir/src/structural_impls.rs @@ -70,30 +70,40 @@ impl<I: Interner, A: TypeVisitable<I>, B: TypeVisitable<I>, C: TypeVisitable<I>> } } -EnumTypeTraversalImpl! { - impl<I, T> TypeFoldable<I> for Option<T> { - (Some)(a), - (None), - } where I: Interner, T: TypeFoldable<I> -} -EnumTypeTraversalImpl! { - impl<I, T> TypeVisitable<I> for Option<T> { - (Some)(a), - (None), - } where I: Interner, T: TypeVisitable<I> -} - -EnumTypeTraversalImpl! { - impl<I, T, E> TypeFoldable<I> for Result<T, E> { - (Ok)(a), - (Err)(a), - } where I: Interner, T: TypeFoldable<I>, E: TypeFoldable<I>, -} -EnumTypeTraversalImpl! { - impl<I, T, E> TypeVisitable<I> for Result<T, E> { - (Ok)(a), - (Err)(a), - } where I: Interner, T: TypeVisitable<I>, E: TypeVisitable<I>, +impl<I: Interner, T: TypeFoldable<I>> TypeFoldable<I> for Option<T> { + fn try_fold_with<F: FallibleTypeFolder<I>>(self, folder: &mut F) -> Result<Self, F::Error> { + Ok(match self { + Some(v) => Some(v.try_fold_with(folder)?), + None => None, + }) + } +} + +impl<I: Interner, T: TypeVisitable<I>> TypeVisitable<I> for Option<T> { + fn visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { + match self { + Some(v) => v.visit_with(visitor), + None => ControlFlow::Continue(()), + } + } +} + +impl<I: Interner, T: TypeFoldable<I>, E: TypeFoldable<I>> TypeFoldable<I> for Result<T, E> { + fn try_fold_with<F: FallibleTypeFolder<I>>(self, folder: &mut F) -> Result<Self, F::Error> { + Ok(match self { + Ok(v) => Ok(v.try_fold_with(folder)?), + Err(e) => Err(e.try_fold_with(folder)?), + }) + } +} + +impl<I: Interner, T: TypeVisitable<I>, E: TypeVisitable<I>> TypeVisitable<I> for Result<T, E> { + fn visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy> { + match self { + Ok(v) => v.visit_with(visitor), + Err(e) => e.visit_with(visitor), + } + } } impl<I: Interner, T: TypeFoldable<I>> TypeFoldable<I> for Rc<T> { diff --git a/compiler/rustc_type_ir/src/visit.rs b/compiler/rustc_type_ir/src/visit.rs index 62239fd2006..878c7aec6c1 100644 --- a/compiler/rustc_type_ir/src/visit.rs +++ b/compiler/rustc_type_ir/src/visit.rs @@ -13,8 +13,11 @@ //! - Types of interest, for which the methods delegate to the visitor. //! - All other types, including generic containers like `Vec` and `Option`. //! It defines a "skeleton" of how they should be visited. -//! - `TypeSuperVisitable`. This is implemented only for each type of interest, -//! and defines the visiting "skeleton" for these types. +//! - `TypeSuperVisitable`. This is implemented only for recursive types of +//! interest, and defines the visiting "skeleton" for these types. (This +//! excludes `Region` because it is non-recursive, i.e. it never contains +//! other types of interest.) +//! //! - `TypeVisitor`. This is implemented for each visitor. This defines how //! types of interest are visited. //! @@ -62,12 +65,13 @@ pub trait TypeVisitable<I: Interner>: fmt::Debug + Clone { fn visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy>; } +// This trait is implemented for types of interest. pub trait TypeSuperVisitable<I: Interner>: TypeVisitable<I> { - /// Provides a default visit for a type of interest. This should only be - /// called within `TypeVisitor` methods, when a non-custom traversal is - /// desired for the value of the type of interest passed to that method. - /// For example, in `MyVisitor::visit_ty(ty)`, it is valid to call - /// `ty.super_visit_with(self)`, but any other visiting should be done + /// Provides a default visit for a recursive type of interest. This should + /// only be called within `TypeVisitor` methods, when a non-custom + /// traversal is desired for the value of the type of interest passed to + /// that method. For example, in `MyVisitor::visit_ty(ty)`, it is valid to + /// call `ty.super_visit_with(self)`, but any other visiting should be done /// with `xyz.visit_with(self)`. fn super_visit_with<V: TypeVisitor<I>>(&self, visitor: &mut V) -> ControlFlow<V::BreakTy>; } @@ -92,11 +96,11 @@ pub trait TypeVisitor<I: Interner>: Sized { t.super_visit_with(self) } - fn visit_region(&mut self, r: I::Region) -> ControlFlow<Self::BreakTy> - where - I::Region: TypeSuperVisitable<I>, - { - r.super_visit_with(self) + // The default region visitor is a no-op because `Region` is non-recursive + // and has no `super_visit_with` method to call. That also explains the + // lack of `I::Region: TypeSuperVisitable<I>` bound. + fn visit_region(&mut self, _r: I::Region) -> ControlFlow<Self::BreakTy> { + ControlFlow::Continue(()) } fn visit_const(&mut self, c: I::Const) -> ControlFlow<Self::BreakTy> diff --git a/library/alloc/benches/btree/map.rs b/library/alloc/benches/btree/map.rs index 1f6b87fb0e4..ec1b0a8eba0 100644 --- a/library/alloc/benches/btree/map.rs +++ b/library/alloc/benches/btree/map.rs @@ -1,5 +1,4 @@ use std::collections::BTreeMap; -use std::iter::Iterator; use std::ops::RangeBounds; use std::vec::Vec; diff --git a/library/alloc/benches/vec.rs b/library/alloc/benches/vec.rs index 663f6b9dd1c..c1d3e1bdfe7 100644 --- a/library/alloc/benches/vec.rs +++ b/library/alloc/benches/vec.rs @@ -1,5 +1,5 @@ use rand::RngCore; -use std::iter::{repeat, FromIterator}; +use std::iter::repeat; use test::{black_box, Bencher}; #[bench] diff --git a/library/alloc/src/boxed.rs b/library/alloc/src/boxed.rs index 09041bb119b..7f88327bf19 100644 --- a/library/alloc/src/boxed.rs +++ b/library/alloc/src/boxed.rs @@ -150,16 +150,13 @@ use core::any::Any; use core::async_iter::AsyncIterator; use core::borrow; use core::cmp::Ordering; -use core::convert::{From, TryFrom}; use core::error::Error; use core::fmt; use core::future::Future; use core::hash::{Hash, Hasher}; -#[cfg(not(no_global_oom_handling))] -use core::iter::FromIterator; -use core::iter::{FusedIterator, Iterator}; +use core::iter::FusedIterator; use core::marker::Tuple; -use core::marker::{Unpin, Unsize}; +use core::marker::Unsize; use core::mem; use core::ops::{ CoerceUnsized, Deref, DerefMut, DispatchFromDyn, Generator, GeneratorState, Receiver, diff --git a/library/alloc/src/collections/binary_heap/mod.rs b/library/alloc/src/collections/binary_heap/mod.rs index bc86125c7c3..8aa4d342e6e 100644 --- a/library/alloc/src/collections/binary_heap/mod.rs +++ b/library/alloc/src/collections/binary_heap/mod.rs @@ -144,7 +144,7 @@ #![stable(feature = "rust1", since = "1.0.0")] use core::fmt; -use core::iter::{FromIterator, FusedIterator, InPlaceIterable, SourceIter, TrustedLen}; +use core::iter::{FusedIterator, InPlaceIterable, SourceIter, TrustedLen}; use core::mem::{self, swap, ManuallyDrop}; use core::num::NonZeroUsize; use core::ops::{Deref, DerefMut}; @@ -263,7 +263,6 @@ mod tests; /// more detailed analysis. /// /// [`core::cmp::Reverse`]: core::cmp::Reverse -/// [`Ord`]: core::cmp::Ord /// [`Cell`]: core::cell::Cell /// [`RefCell`]: core::cell::RefCell /// [push]: BinaryHeap::push @@ -1418,7 +1417,6 @@ impl<T> FusedIterator for Iter<'_, T> {} /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: BinaryHeap::into_iter -/// [`IntoIterator`]: core::iter::IntoIterator #[stable(feature = "rust1", since = "1.0.0")] #[derive(Clone)] pub struct IntoIter<T> { diff --git a/library/alloc/src/collections/btree/map.rs b/library/alloc/src/collections/btree/map.rs index 61db46314b7..abd5f17137e 100644 --- a/library/alloc/src/collections/btree/map.rs +++ b/library/alloc/src/collections/btree/map.rs @@ -3,7 +3,7 @@ use core::borrow::Borrow; use core::cmp::Ordering; use core::fmt::{self, Debug}; use core::hash::{Hash, Hasher}; -use core::iter::{FromIterator, FusedIterator}; +use core::iter::FusedIterator; use core::marker::PhantomData; use core::mem::{self, ManuallyDrop}; use core::ops::{Bound, Index, RangeBounds}; @@ -420,7 +420,6 @@ impl<'a, K: 'a, V: 'a> Default for IterMut<'a, K, V> { /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: IntoIterator::into_iter -/// [`IntoIterator`]: core::iter::IntoIterator #[stable(feature = "rust1", since = "1.0.0")] #[rustc_insignificant_dtor] pub struct IntoIter< @@ -650,7 +649,7 @@ impl<K, V, A: Allocator + Clone> BTreeMap<K, V, A> { #[stable(feature = "rust1", since = "1.0.0")] pub fn clear(&mut self) { // avoid moving the allocator - mem::drop(BTreeMap { + drop(BTreeMap { root: mem::replace(&mut self.root, None), length: mem::replace(&mut self.length, 0), alloc: self.alloc.clone(), @@ -3183,7 +3182,7 @@ impl<'a, K: Ord, V, A: Allocator + Clone> CursorMut<'a, K, V, A> { panic!("key must be ordered above the current element"); } } - if let Some((next, _)) = self.peek_prev() { + if let Some((next, _)) = self.peek_next() { if &key >= next { panic!("key must be ordered below the next element"); } diff --git a/library/alloc/src/collections/btree/map/tests.rs b/library/alloc/src/collections/btree/map/tests.rs index 76c2f27b466..da00d83bdbb 100644 --- a/library/alloc/src/collections/btree/map/tests.rs +++ b/library/alloc/src/collections/btree/map/tests.rs @@ -9,8 +9,7 @@ use crate::testing::ord_chaos::{Cyclic3, Governed, Governor}; use crate::testing::rng::DeterministicRng; use crate::vec::Vec; use std::cmp::Ordering; -use std::convert::TryFrom; -use std::iter::{self, FromIterator}; +use std::iter; use std::mem; use std::ops::Bound::{self, Excluded, Included, Unbounded}; use std::ops::RangeBounds; @@ -2385,3 +2384,67 @@ fn test_cursor_mut() { assert_eq!(cur.key(), Some(&4)); assert_eq!(map, BTreeMap::from([(0, '?'), (1, 'a'), (3, 'c'), (4, 'd')])); } + +#[should_panic(expected = "key must be ordered above the previous element")] +#[test] +fn test_cursor_mut_insert_before_1() { + let mut map = BTreeMap::from([(1, 'a'), (2, 'b'), (3, 'c')]); + let mut cur = map.upper_bound_mut(Bound::Included(&2)); + cur.insert_before(0, 'd'); +} + +#[should_panic(expected = "key must be ordered above the previous element")] +#[test] +fn test_cursor_mut_insert_before_2() { + let mut map = BTreeMap::from([(1, 'a'), (2, 'b'), (3, 'c')]); + let mut cur = map.upper_bound_mut(Bound::Included(&2)); + cur.insert_before(1, 'd'); +} + +#[should_panic(expected = "key must be ordered below the current element")] +#[test] +fn test_cursor_mut_insert_before_3() { + let mut map = BTreeMap::from([(1, 'a'), (2, 'b'), (3, 'c')]); + let mut cur = map.upper_bound_mut(Bound::Included(&2)); + cur.insert_before(2, 'd'); +} + +#[should_panic(expected = "key must be ordered below the current element")] +#[test] +fn test_cursor_mut_insert_before_4() { + let mut map = BTreeMap::from([(1, 'a'), (2, 'b'), (3, 'c')]); + let mut cur = map.upper_bound_mut(Bound::Included(&2)); + cur.insert_before(3, 'd'); +} + +#[should_panic(expected = "key must be ordered above the current element")] +#[test] +fn test_cursor_mut_insert_after_1() { + let mut map = BTreeMap::from([(1, 'a'), (2, 'b'), (3, 'c')]); + let mut cur = map.upper_bound_mut(Bound::Included(&2)); + cur.insert_after(1, 'd'); +} + +#[should_panic(expected = "key must be ordered above the current element")] +#[test] +fn test_cursor_mut_insert_after_2() { + let mut map = BTreeMap::from([(1, 'a'), (2, 'b'), (3, 'c')]); + let mut cur = map.upper_bound_mut(Bound::Included(&2)); + cur.insert_after(2, 'd'); +} + +#[should_panic(expected = "key must be ordered below the next element")] +#[test] +fn test_cursor_mut_insert_after_3() { + let mut map = BTreeMap::from([(1, 'a'), (2, 'b'), (3, 'c')]); + let mut cur = map.upper_bound_mut(Bound::Included(&2)); + cur.insert_after(3, 'd'); +} + +#[should_panic(expected = "key must be ordered below the next element")] +#[test] +fn test_cursor_mut_insert_after_4() { + let mut map = BTreeMap::from([(1, 'a'), (2, 'b'), (3, 'c')]); + let mut cur = map.upper_bound_mut(Bound::Included(&2)); + cur.insert_after(4, 'd'); +} diff --git a/library/alloc/src/collections/btree/set.rs b/library/alloc/src/collections/btree/set.rs index a7cb3948aa1..232a017314e 100644 --- a/library/alloc/src/collections/btree/set.rs +++ b/library/alloc/src/collections/btree/set.rs @@ -4,7 +4,7 @@ use core::cmp::Ordering::{self, Equal, Greater, Less}; use core::cmp::{max, min}; use core::fmt::{self, Debug}; use core::hash::{Hash, Hasher}; -use core::iter::{FromIterator, FusedIterator, Peekable}; +use core::iter::{FusedIterator, Peekable}; use core::mem::ManuallyDrop; use core::ops::{BitAnd, BitOr, BitXor, RangeBounds, Sub}; @@ -30,7 +30,6 @@ use crate::alloc::{Allocator, Global}; /// Iterators returned by [`BTreeSet::iter`] produce their items in order, and take worst-case /// logarithmic and amortized constant time per item returned. /// -/// [`Ord`]: core::cmp::Ord /// [`Cell`]: core::cell::Cell /// [`RefCell`]: core::cell::RefCell /// @@ -147,7 +146,6 @@ impl<T: fmt::Debug> fmt::Debug for Iter<'_, T> { /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: BTreeSet#method.into_iter -/// [`IntoIterator`]: core::iter::IntoIterator #[stable(feature = "rust1", since = "1.0.0")] #[derive(Debug)] pub struct IntoIter< diff --git a/library/alloc/src/collections/btree/set/tests.rs b/library/alloc/src/collections/btree/set/tests.rs index 7b8d41a6031..a7c839d77ed 100644 --- a/library/alloc/src/collections/btree/set/tests.rs +++ b/library/alloc/src/collections/btree/set/tests.rs @@ -4,7 +4,6 @@ use crate::testing::rng::DeterministicRng; use crate::vec::Vec; use std::cmp::Ordering; use std::hash::{Hash, Hasher}; -use std::iter::FromIterator; use std::ops::Bound::{Excluded, Included}; use std::panic::{catch_unwind, AssertUnwindSafe}; diff --git a/library/alloc/src/collections/linked_list.rs b/library/alloc/src/collections/linked_list.rs index 080a4a14eda..1743a155c5a 100644 --- a/library/alloc/src/collections/linked_list.rs +++ b/library/alloc/src/collections/linked_list.rs @@ -15,7 +15,7 @@ use core::cmp::Ordering; use core::fmt; use core::hash::{Hash, Hasher}; -use core::iter::{FromIterator, FusedIterator}; +use core::iter::FusedIterator; use core::marker::PhantomData; use core::mem; use core::ptr::NonNull; @@ -130,7 +130,6 @@ impl<T: fmt::Debug> fmt::Debug for IterMut<'_, T> { /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: LinkedList::into_iter -/// [`IntoIterator`]: core::iter::IntoIterator #[derive(Clone)] #[stable(feature = "rust1", since = "1.0.0")] pub struct IntoIter<T> { diff --git a/library/alloc/src/collections/vec_deque/into_iter.rs b/library/alloc/src/collections/vec_deque/into_iter.rs index e2b40f7912e..d9e274df0f5 100644 --- a/library/alloc/src/collections/vec_deque/into_iter.rs +++ b/library/alloc/src/collections/vec_deque/into_iter.rs @@ -12,7 +12,6 @@ use super::VecDeque; /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: VecDeque::into_iter -/// [`IntoIterator`]: core::iter::IntoIterator #[derive(Clone)] #[stable(feature = "rust1", since = "1.0.0")] pub struct IntoIter< diff --git a/library/alloc/src/collections/vec_deque/mod.rs b/library/alloc/src/collections/vec_deque/mod.rs index 05dbcdc904e..8916b42eda0 100644 --- a/library/alloc/src/collections/vec_deque/mod.rs +++ b/library/alloc/src/collections/vec_deque/mod.rs @@ -10,7 +10,7 @@ use core::cmp::{self, Ordering}; use core::fmt; use core::hash::{Hash, Hasher}; -use core::iter::{repeat_n, repeat_with, ByRefSized, FromIterator}; +use core::iter::{repeat_n, repeat_with, ByRefSized}; use core::mem::{ManuallyDrop, SizedTypeProperties}; use core::ops::{Index, IndexMut, Range, RangeBounds}; use core::ptr; diff --git a/library/alloc/src/lib.rs b/library/alloc/src/lib.rs index 55e18b04956..aa240c37e84 100644 --- a/library/alloc/src/lib.rs +++ b/library/alloc/src/lib.rs @@ -90,6 +90,11 @@ #![warn(multiple_supertrait_upcastable)] // // Library features: +// tidy-alphabetical-start +#![cfg_attr(not(no_global_oom_handling), feature(const_alloc_error))] +#![cfg_attr(not(no_global_oom_handling), feature(const_btree_len))] +#![cfg_attr(test, feature(is_sorted))] +#![cfg_attr(test, feature(new_uninit))] #![feature(alloc_layout_extra)] #![feature(allocator_api)] #![feature(array_chunks)] @@ -99,23 +104,21 @@ #![feature(assert_matches)] #![feature(async_iterator)] #![feature(coerce_unsized)] -#![cfg_attr(not(no_global_oom_handling), feature(const_alloc_error))] +#![feature(const_align_of_val)] #![feature(const_box)] -#![cfg_attr(not(no_global_oom_handling), feature(const_btree_len))] -#![feature(const_cow_is_borrowed)] #![feature(const_convert)] -#![feature(const_size_of_val)] -#![feature(const_align_of_val)] -#![feature(const_ptr_read)] -#![feature(const_maybe_uninit_zeroed)] -#![feature(const_maybe_uninit_write)] +#![feature(const_cow_is_borrowed)] +#![feature(const_eval_select)] #![feature(const_maybe_uninit_as_mut_ptr)] +#![feature(const_maybe_uninit_write)] +#![feature(const_maybe_uninit_zeroed)] +#![feature(const_pin)] +#![feature(const_ptr_read)] #![feature(const_refs_to_cell)] +#![feature(const_size_of_val)] +#![feature(const_waker)] #![feature(core_intrinsics)] #![feature(core_panic)] -#![feature(const_eval_select)] -#![feature(const_pin)] -#![feature(const_waker)] #![feature(dispatch_from_dyn)] #![feature(error_generic_member_access)] #![feature(error_in_core)] @@ -126,7 +129,6 @@ #![feature(hasher_prefixfree_extras)] #![feature(inline_const)] #![feature(inplace_iteration)] -#![cfg_attr(test, feature(is_sorted))] #![feature(iter_advance_by)] #![feature(iter_next_chunk)] #![feature(iter_repeat_n)] @@ -134,7 +136,6 @@ #![feature(maybe_uninit_slice)] #![feature(maybe_uninit_uninit_array)] #![feature(maybe_uninit_uninit_array_transpose)] -#![cfg_attr(test, feature(new_uninit))] #![feature(pattern)] #![feature(pointer_byte_offsets)] #![feature(provide_any)] @@ -150,6 +151,7 @@ #![feature(slice_ptr_get)] #![feature(slice_ptr_len)] #![feature(slice_range)] +#![feature(std_internals)] #![feature(str_internals)] #![feature(strict_provenance)] #![feature(trusted_len)] @@ -160,41 +162,43 @@ #![feature(unicode_internals)] #![feature(unsize)] #![feature(utf8_chunks)] -#![feature(std_internals)] +// tidy-alphabetical-end // // Language features: +// tidy-alphabetical-start +#![cfg_attr(not(test), feature(generator_trait))] +#![cfg_attr(test, feature(panic_update_hook))] +#![cfg_attr(test, feature(test))] #![feature(allocator_internals)] #![feature(allow_internal_unstable)] #![feature(associated_type_bounds)] +#![feature(c_unwind)] #![feature(cfg_sanitize)] #![feature(const_deref)] #![feature(const_mut_refs)] -#![feature(const_ptr_write)] #![feature(const_precise_live_drops)] +#![feature(const_ptr_write)] #![feature(const_trait_impl)] #![feature(const_try)] #![feature(dropck_eyepatch)] #![feature(exclusive_range_pattern)] #![feature(fundamental)] -#![cfg_attr(not(test), feature(generator_trait))] #![feature(hashmap_internals)] #![feature(lang_items)] #![feature(min_specialization)] +#![feature(multiple_supertrait_upcastable)] #![feature(negative_impls)] #![feature(never_type)] +#![feature(pointer_is_aligned)] #![feature(rustc_allow_const_fn_unstable)] #![feature(rustc_attrs)] -#![feature(pointer_is_aligned)] #![feature(slice_internals)] #![feature(staged_api)] #![feature(stmt_expr_attributes)] -#![cfg_attr(test, feature(test))] #![feature(unboxed_closures)] #![feature(unsized_fn_params)] -#![feature(c_unwind)] #![feature(with_negative_coherence)] -#![cfg_attr(test, feature(panic_update_hook))] -#![feature(multiple_supertrait_upcastable)] +// tidy-alphabetical-end // // Rustdoc features: #![feature(doc_cfg)] diff --git a/library/alloc/src/raw_vec.rs b/library/alloc/src/raw_vec.rs index 3751f2a2454..dfd30d99cf0 100644 --- a/library/alloc/src/raw_vec.rs +++ b/library/alloc/src/raw_vec.rs @@ -4,7 +4,6 @@ use core::alloc::LayoutError; use core::cmp; use core::intrinsics; use core::mem::{self, ManuallyDrop, MaybeUninit, SizedTypeProperties}; -use core::ops::Drop; use core::ptr::{self, NonNull, Unique}; use core::slice; diff --git a/library/alloc/src/rc.rs b/library/alloc/src/rc.rs index 1e9cf404f77..cf93a40496f 100644 --- a/library/alloc/src/rc.rs +++ b/library/alloc/src/rc.rs @@ -15,7 +15,7 @@ //! //! [`Rc`] uses non-atomic reference counting. This means that overhead is very //! low, but an [`Rc`] cannot be sent between threads, and consequently [`Rc`] -//! does not implement [`Send`][send]. As a result, the Rust compiler +//! does not implement [`Send`]. As a result, the Rust compiler //! will check *at compile time* that you are not sending [`Rc`]s between //! threads. If you need multi-threaded, atomic reference counting, use //! [`sync::Arc`][arc]. @@ -232,7 +232,6 @@ //! [clone]: Clone::clone //! [`Cell`]: core::cell::Cell //! [`RefCell`]: core::cell::RefCell -//! [send]: core::marker::Send //! [arc]: crate::sync::Arc //! [`Deref`]: core::ops::Deref //! [downgrade]: Rc::downgrade @@ -251,13 +250,12 @@ use core::any::Any; use core::borrow; use core::cell::Cell; use core::cmp::Ordering; -use core::convert::{From, TryFrom}; use core::fmt; use core::hash::{Hash, Hasher}; use core::intrinsics::abort; #[cfg(not(no_global_oom_handling))] use core::iter; -use core::marker::{self, PhantomData, Unpin, Unsize}; +use core::marker::{PhantomData, Unsize}; #[cfg(not(no_global_oom_handling))] use core::mem::size_of_val; use core::mem::{self, align_of_val_raw, forget}; @@ -321,7 +319,7 @@ pub struct Rc<T: ?Sized> { } #[stable(feature = "rust1", since = "1.0.0")] -impl<T: ?Sized> !marker::Send for Rc<T> {} +impl<T: ?Sized> !Send for Rc<T> {} // Note that this negative impl isn't strictly necessary for correctness, // as `Rc` transitively contains a `Cell`, which is itself `!Sync`. @@ -329,7 +327,7 @@ impl<T: ?Sized> !marker::Send for Rc<T> {} // having an explicit negative impl is nice for documentation purposes // and results in nicer error messages. #[stable(feature = "rust1", since = "1.0.0")] -impl<T: ?Sized> !marker::Sync for Rc<T> {} +impl<T: ?Sized> !Sync for Rc<T> {} #[stable(feature = "catch_unwind", since = "1.9.0")] impl<T: RefUnwindSafe + ?Sized> UnwindSafe for Rc<T> {} @@ -1060,7 +1058,7 @@ impl<T: ?Sized> Rc<T> { #[inline] #[stable(feature = "rc_mutate_strong_count", since = "1.53.0")] pub unsafe fn decrement_strong_count(ptr: *const T) { - unsafe { mem::drop(Rc::from_raw(ptr)) }; + unsafe { drop(Rc::from_raw(ptr)) }; } /// Returns `true` if there are no other `Rc` or [`Weak`] pointers to @@ -1496,7 +1494,7 @@ impl<T> Rc<[T]> { /// /// Behavior is undefined should the size be wrong. #[cfg(not(no_global_oom_handling))] - unsafe fn from_iter_exact(iter: impl iter::Iterator<Item = T>, len: usize) -> Rc<[T]> { + unsafe fn from_iter_exact(iter: impl Iterator<Item = T>, len: usize) -> Rc<[T]> { // Panic guard while cloning T elements. // In the event of a panic, elements that have been written // into the new RcBox will be dropped, then the memory freed. @@ -2088,7 +2086,7 @@ impl<T, const N: usize> TryFrom<Rc<[T]>> for Rc<[T; N]> { #[cfg(not(no_global_oom_handling))] #[stable(feature = "shared_from_iter", since = "1.37.0")] -impl<T> iter::FromIterator<T> for Rc<[T]> { +impl<T> FromIterator<T> for Rc<[T]> { /// Takes each element in the `Iterator` and collects it into an `Rc<[T]>`. /// /// # Performance characteristics @@ -2127,7 +2125,7 @@ impl<T> iter::FromIterator<T> for Rc<[T]> { /// let evens: Rc<[u8]> = (0..10).collect(); // Just a single allocation happens here. /// # assert_eq!(&*evens, &*(0..10).collect::<Vec<_>>()); /// ``` - fn from_iter<I: iter::IntoIterator<Item = T>>(iter: I) -> Self { + fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self { ToRcSlice::to_rc_slice(iter.into_iter()) } } @@ -2204,9 +2202,9 @@ pub struct Weak<T: ?Sized> { } #[stable(feature = "rc_weak", since = "1.4.0")] -impl<T: ?Sized> !marker::Send for Weak<T> {} +impl<T: ?Sized> !Send for Weak<T> {} #[stable(feature = "rc_weak", since = "1.4.0")] -impl<T: ?Sized> !marker::Sync for Weak<T> {} +impl<T: ?Sized> !Sync for Weak<T> {} #[unstable(feature = "coerce_unsized", issue = "18598")] impl<T: ?Sized + Unsize<U>, U: ?Sized> CoerceUnsized<Weak<U>> for Weak<T> {} diff --git a/library/alloc/src/string.rs b/library/alloc/src/string.rs index c1cd3c74ab6..be41919b9dc 100644 --- a/library/alloc/src/string.rs +++ b/library/alloc/src/string.rs @@ -45,9 +45,9 @@ use core::error::Error; use core::fmt; use core::hash; -use core::iter::FusedIterator; #[cfg(not(no_global_oom_handling))] -use core::iter::{from_fn, FromIterator}; +use core::iter::from_fn; +use core::iter::FusedIterator; #[cfg(not(no_global_oom_handling))] use core::ops::Add; #[cfg(not(no_global_oom_handling))] diff --git a/library/alloc/src/sync.rs b/library/alloc/src/sync.rs index 150924851d2..5bfe537bc83 100644 --- a/library/alloc/src/sync.rs +++ b/library/alloc/src/sync.rs @@ -11,14 +11,13 @@ use core::any::Any; use core::borrow; use core::cmp::Ordering; -use core::convert::{From, TryFrom}; use core::fmt; use core::hash::{Hash, Hasher}; use core::hint; use core::intrinsics::abort; #[cfg(not(no_global_oom_handling))] use core::iter; -use core::marker::{PhantomData, Unpin, Unsize}; +use core::marker::{PhantomData, Unsize}; #[cfg(not(no_global_oom_handling))] use core::mem::size_of_val; use core::mem::{self, align_of_val_raw}; @@ -188,8 +187,6 @@ macro_rules! acquire { /// [mutex]: ../../std/sync/struct.Mutex.html /// [rwlock]: ../../std/sync/struct.RwLock.html /// [atomic]: core::sync::atomic -/// [`Send`]: core::marker::Send -/// [`Sync`]: core::marker::Sync /// [deref]: core::ops::Deref /// [downgrade]: Arc::downgrade /// [upgrade]: Weak::upgrade @@ -1241,7 +1238,7 @@ impl<T: ?Sized> Arc<T> { #[inline] #[stable(feature = "arc_mutate_strong_count", since = "1.51.0")] pub unsafe fn decrement_strong_count(ptr: *const T) { - unsafe { mem::drop(Arc::from_raw(ptr)) }; + unsafe { drop(Arc::from_raw(ptr)) }; } #[inline] @@ -1404,7 +1401,7 @@ impl<T> Arc<[T]> { /// /// Behavior is undefined should the size be wrong. #[cfg(not(no_global_oom_handling))] - unsafe fn from_iter_exact(iter: impl iter::Iterator<Item = T>, len: usize) -> Arc<[T]> { + unsafe fn from_iter_exact(iter: impl Iterator<Item = T>, len: usize) -> Arc<[T]> { // Panic guard while cloning T elements. // In the event of a panic, elements that have been written // into the new ArcInner will be dropped, then the memory freed. @@ -2818,7 +2815,7 @@ impl<T, const N: usize> TryFrom<Arc<[T]>> for Arc<[T; N]> { #[cfg(not(no_global_oom_handling))] #[stable(feature = "shared_from_iter", since = "1.37.0")] -impl<T> iter::FromIterator<T> for Arc<[T]> { +impl<T> FromIterator<T> for Arc<[T]> { /// Takes each element in the `Iterator` and collects it into an `Arc<[T]>`. /// /// # Performance characteristics @@ -2857,7 +2854,7 @@ impl<T> iter::FromIterator<T> for Arc<[T]> { /// let evens: Arc<[u8]> = (0..10).collect(); // Just a single allocation happens here. /// # assert_eq!(&*evens, &*(0..10).collect::<Vec<_>>()); /// ``` - fn from_iter<I: iter::IntoIterator<Item = T>>(iter: I) -> Self { + fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self { ToArcSlice::to_arc_slice(iter.into_iter()) } } diff --git a/library/alloc/src/vec/cow.rs b/library/alloc/src/vec/cow.rs index 64943a273c9..2c799605b7b 100644 --- a/library/alloc/src/vec/cow.rs +++ b/library/alloc/src/vec/cow.rs @@ -1,5 +1,4 @@ use crate::borrow::Cow; -use core::iter::FromIterator; use super::Vec; diff --git a/library/alloc/src/vec/into_iter.rs b/library/alloc/src/vec/into_iter.rs index 6a05f70e437..02faf8e6389 100644 --- a/library/alloc/src/vec/into_iter.rs +++ b/library/alloc/src/vec/into_iter.rs @@ -108,7 +108,7 @@ impl<T, A: Allocator> IntoIter<T, A> { /// ``` /// # let mut into_iter = Vec::<u8>::with_capacity(10).into_iter(); /// let mut into_iter = std::mem::replace(&mut into_iter, Vec::new().into_iter()); - /// (&mut into_iter).for_each(core::mem::drop); + /// (&mut into_iter).for_each(drop); /// std::mem::forget(into_iter); /// ``` /// diff --git a/library/alloc/src/vec/mod.rs b/library/alloc/src/vec/mod.rs index 9f0111db452..3736a6e0b0e 100644 --- a/library/alloc/src/vec/mod.rs +++ b/library/alloc/src/vec/mod.rs @@ -56,12 +56,9 @@ #[cfg(not(no_global_oom_handling))] use core::cmp; use core::cmp::Ordering; -use core::convert::TryFrom; use core::fmt; use core::hash::{Hash, Hasher}; use core::iter; -#[cfg(not(no_global_oom_handling))] -use core::iter::FromIterator; use core::marker::PhantomData; use core::mem::{self, ManuallyDrop, MaybeUninit, SizedTypeProperties}; use core::ops::{self, Index, IndexMut, Range, RangeBounds}; @@ -2990,7 +2987,7 @@ impl<'a, T: Copy + 'a, A: Allocator + 'a> Extend<&'a T> for Vec<T, A> { } } -/// Implements comparison of vectors, [lexicographically](core::cmp::Ord#lexicographical-comparison). +/// Implements comparison of vectors, [lexicographically](Ord#lexicographical-comparison). #[stable(feature = "rust1", since = "1.0.0")] impl<T: PartialOrd, A: Allocator> PartialOrd for Vec<T, A> { #[inline] @@ -3002,7 +2999,7 @@ impl<T: PartialOrd, A: Allocator> PartialOrd for Vec<T, A> { #[stable(feature = "rust1", since = "1.0.0")] impl<T: Eq, A: Allocator> Eq for Vec<T, A> {} -/// Implements ordering of vectors, [lexicographically](core::cmp::Ord#lexicographical-comparison). +/// Implements ordering of vectors, [lexicographically](Ord#lexicographical-comparison). #[stable(feature = "rust1", since = "1.0.0")] impl<T: Ord, A: Allocator> Ord for Vec<T, A> { #[inline] diff --git a/library/core/src/cmp.rs b/library/core/src/cmp.rs index 5b5f55d0e65..55331475aff 100644 --- a/library/core/src/cmp.rs +++ b/library/core/src/cmp.rs @@ -231,7 +231,8 @@ pub trait PartialEq<Rhs: ?Sized = Self> { } } -/// Derive macro generating an impl of the trait `PartialEq`. +/// Derive macro generating an impl of the trait [`PartialEq`]. +/// The behavior of this macro is described in detail [here](PartialEq#derivable). #[rustc_builtin_macro] #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] #[allow_internal_unstable(core_intrinsics, structural_match)] @@ -297,7 +298,7 @@ pub trait Eq: PartialEq<Self> { fn assert_receiver_is_total_eq(&self) {} } -/// Derive macro generating an impl of the trait `Eq`. +/// Derive macro generating an impl of the trait [`Eq`]. #[rustc_builtin_macro] #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] #[allow_internal_unstable(core_intrinsics, derive_eq, structural_match, no_coverage)] @@ -859,7 +860,8 @@ pub trait Ord: Eq + PartialOrd<Self> { } } -/// Derive macro generating an impl of the trait `Ord`. +/// Derive macro generating an impl of the trait [`Ord`]. +/// The behavior of this macro is described in detail [here](Ord#derivable). #[rustc_builtin_macro] #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] #[allow_internal_unstable(core_intrinsics)] @@ -1138,7 +1140,8 @@ pub trait PartialOrd<Rhs: ?Sized = Self>: PartialEq<Rhs> { } } -/// Derive macro generating an impl of the trait `PartialOrd`. +/// Derive macro generating an impl of the trait [`PartialOrd`]. +/// The behavior of this macro is described in detail [here](PartialOrd#derivable). #[rustc_builtin_macro] #[stable(feature = "builtin_macro_prelude", since = "1.38.0")] #[allow_internal_unstable(core_intrinsics)] diff --git a/library/core/src/ffi/mod.rs b/library/core/src/ffi/mod.rs index 27f6659049c..c4f554c8c6b 100644 --- a/library/core/src/ffi/mod.rs +++ b/library/core/src/ffi/mod.rs @@ -615,12 +615,15 @@ impl<'f> Drop for VaListImpl<'f> { extern "rust-intrinsic" { /// Destroy the arglist `ap` after initialization with `va_start` or /// `va_copy`. + #[rustc_nounwind] fn va_end(ap: &mut VaListImpl<'_>); /// Copies the current location of arglist `src` to the arglist `dst`. + #[rustc_nounwind] fn va_copy<'f>(dest: *mut VaListImpl<'f>, src: &VaListImpl<'f>); /// Loads an argument of type `T` from the `va_list` `ap` and increment the /// argument `ap` points to. + #[rustc_nounwind] fn va_arg<T: sealed_trait::VaArgSafe>(ap: &mut VaListImpl<'_>) -> T; } diff --git a/library/core/src/intrinsics.rs b/library/core/src/intrinsics.rs index 7482b8b0862..ba03da411e3 100644 --- a/library/core/src/intrinsics.rs +++ b/library/core/src/intrinsics.rs @@ -84,6 +84,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Relaxed`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_relaxed_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -91,6 +92,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Relaxed`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_relaxed_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -98,6 +100,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Relaxed`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_relaxed_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -105,6 +108,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Acquire`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acquire_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -112,6 +116,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Acquire`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acquire_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -119,6 +124,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Acquire`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acquire_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -126,6 +132,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Release`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_release_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -133,6 +140,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Release`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_release_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -140,6 +148,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::Release`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_release_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -147,6 +156,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::AcqRel`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acqrel_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -154,6 +164,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::AcqRel`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acqrel_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -161,6 +172,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::AcqRel`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_acqrel_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -168,6 +180,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::SeqCst`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_seqcst_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -175,6 +188,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::SeqCst`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_seqcst_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -182,6 +196,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange` method by passing /// [`Ordering::SeqCst`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange`]. + #[rustc_nounwind] pub fn atomic_cxchg_seqcst_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. @@ -190,6 +205,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Relaxed`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_relaxed_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -197,6 +213,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Relaxed`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_relaxed_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -204,6 +221,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Relaxed`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_relaxed_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -211,6 +229,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Acquire`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acquire_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -218,6 +237,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Acquire`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acquire_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -225,6 +245,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Acquire`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acquire_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -232,6 +253,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Release`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_release_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -239,6 +261,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Release`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_release_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -246,6 +269,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::Release`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_release_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -253,6 +277,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::AcqRel`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acqrel_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -260,6 +285,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::AcqRel`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acqrel_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -267,6 +293,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::AcqRel`] and [`Ordering::SeqCst`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_acqrel_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -274,6 +301,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::SeqCst`] and [`Ordering::Relaxed`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_seqcst_relaxed<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -281,6 +309,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::SeqCst`] and [`Ordering::Acquire`] as the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_seqcst_acquire<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Stores a value if the current value is the same as the `old` value. /// @@ -288,6 +317,7 @@ extern "rust-intrinsic" { /// [`atomic`] types via the `compare_exchange_weak` method by passing /// [`Ordering::SeqCst`] as both the success and failure parameters. /// For example, [`AtomicBool::compare_exchange_weak`]. + #[rustc_nounwind] pub fn atomic_cxchgweak_seqcst_seqcst<T: Copy>(dst: *mut T, old: T, src: T) -> (T, bool); /// Loads the current value of the pointer. @@ -295,19 +325,23 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `load` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::load`]. + #[rustc_nounwind] pub fn atomic_load_seqcst<T: Copy>(src: *const T) -> T; /// Loads the current value of the pointer. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `load` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::load`]. + #[rustc_nounwind] pub fn atomic_load_acquire<T: Copy>(src: *const T) -> T; /// Loads the current value of the pointer. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `load` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::load`]. + #[rustc_nounwind] pub fn atomic_load_relaxed<T: Copy>(src: *const T) -> T; + #[rustc_nounwind] pub fn atomic_load_unordered<T: Copy>(src: *const T) -> T; /// Stores the value at the specified memory location. @@ -315,19 +349,23 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `store` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::store`]. + #[rustc_nounwind] pub fn atomic_store_seqcst<T: Copy>(dst: *mut T, val: T); /// Stores the value at the specified memory location. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `store` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::store`]. + #[rustc_nounwind] pub fn atomic_store_release<T: Copy>(dst: *mut T, val: T); /// Stores the value at the specified memory location. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `store` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::store`]. + #[rustc_nounwind] pub fn atomic_store_relaxed<T: Copy>(dst: *mut T, val: T); + #[rustc_nounwind] pub fn atomic_store_unordered<T: Copy>(dst: *mut T, val: T); /// Stores the value at the specified memory location, returning the old value. @@ -335,30 +373,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `swap` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::swap`]. + #[rustc_nounwind] pub fn atomic_xchg_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Stores the value at the specified memory location, returning the old value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `swap` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::swap`]. + #[rustc_nounwind] pub fn atomic_xchg_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Stores the value at the specified memory location, returning the old value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `swap` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::swap`]. + #[rustc_nounwind] pub fn atomic_xchg_release<T: Copy>(dst: *mut T, src: T) -> T; /// Stores the value at the specified memory location, returning the old value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `swap` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicBool::swap`]. + #[rustc_nounwind] pub fn atomic_xchg_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Stores the value at the specified memory location, returning the old value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `swap` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::swap`]. + #[rustc_nounwind] pub fn atomic_xchg_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Adds to the current value, returning the previous value. @@ -366,30 +409,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_add` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicIsize::fetch_add`]. + #[rustc_nounwind] pub fn atomic_xadd_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Adds to the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_add` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicIsize::fetch_add`]. + #[rustc_nounwind] pub fn atomic_xadd_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Adds to the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_add` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicIsize::fetch_add`]. + #[rustc_nounwind] pub fn atomic_xadd_release<T: Copy>(dst: *mut T, src: T) -> T; /// Adds to the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_add` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicIsize::fetch_add`]. + #[rustc_nounwind] pub fn atomic_xadd_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Adds to the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_add` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicIsize::fetch_add`]. + #[rustc_nounwind] pub fn atomic_xadd_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Subtract from the current value, returning the previous value. @@ -397,30 +445,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_sub` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicIsize::fetch_sub`]. + #[rustc_nounwind] pub fn atomic_xsub_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Subtract from the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_sub` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicIsize::fetch_sub`]. + #[rustc_nounwind] pub fn atomic_xsub_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Subtract from the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_sub` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicIsize::fetch_sub`]. + #[rustc_nounwind] pub fn atomic_xsub_release<T: Copy>(dst: *mut T, src: T) -> T; /// Subtract from the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_sub` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicIsize::fetch_sub`]. + #[rustc_nounwind] pub fn atomic_xsub_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Subtract from the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_sub` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicIsize::fetch_sub`]. + #[rustc_nounwind] pub fn atomic_xsub_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise and with the current value, returning the previous value. @@ -428,30 +481,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_and` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::fetch_and`]. + #[rustc_nounwind] pub fn atomic_and_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise and with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_and` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::fetch_and`]. + #[rustc_nounwind] pub fn atomic_and_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise and with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_and` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::fetch_and`]. + #[rustc_nounwind] pub fn atomic_and_release<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise and with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_and` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicBool::fetch_and`]. + #[rustc_nounwind] pub fn atomic_and_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise and with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_and` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::fetch_and`]. + #[rustc_nounwind] pub fn atomic_and_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise nand with the current value, returning the previous value. @@ -459,30 +517,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`AtomicBool`] type via the `fetch_nand` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::fetch_nand`]. + #[rustc_nounwind] pub fn atomic_nand_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise nand with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`AtomicBool`] type via the `fetch_nand` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::fetch_nand`]. + #[rustc_nounwind] pub fn atomic_nand_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise nand with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`AtomicBool`] type via the `fetch_nand` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::fetch_nand`]. + #[rustc_nounwind] pub fn atomic_nand_release<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise nand with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`AtomicBool`] type via the `fetch_nand` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicBool::fetch_nand`]. + #[rustc_nounwind] pub fn atomic_nand_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise nand with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`AtomicBool`] type via the `fetch_nand` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::fetch_nand`]. + #[rustc_nounwind] pub fn atomic_nand_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise or with the current value, returning the previous value. @@ -490,30 +553,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_or` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::fetch_or`]. + #[rustc_nounwind] pub fn atomic_or_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise or with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_or` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::fetch_or`]. + #[rustc_nounwind] pub fn atomic_or_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise or with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_or` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::fetch_or`]. + #[rustc_nounwind] pub fn atomic_or_release<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise or with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_or` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicBool::fetch_or`]. + #[rustc_nounwind] pub fn atomic_or_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise or with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_or` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::fetch_or`]. + #[rustc_nounwind] pub fn atomic_or_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise xor with the current value, returning the previous value. @@ -521,30 +589,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_xor` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicBool::fetch_xor`]. + #[rustc_nounwind] pub fn atomic_xor_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise xor with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_xor` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicBool::fetch_xor`]. + #[rustc_nounwind] pub fn atomic_xor_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise xor with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_xor` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicBool::fetch_xor`]. + #[rustc_nounwind] pub fn atomic_xor_release<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise xor with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_xor` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicBool::fetch_xor`]. + #[rustc_nounwind] pub fn atomic_xor_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Bitwise xor with the current value, returning the previous value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] types via the `fetch_xor` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicBool::fetch_xor`]. + #[rustc_nounwind] pub fn atomic_xor_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using a signed comparison. @@ -552,30 +625,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_max` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicI32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_max_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using a signed comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_max` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicI32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_max_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using a signed comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_max` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicI32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_max_release<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using a signed comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_max` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicI32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_max_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_max` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicI32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_max_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using a signed comparison. @@ -583,18 +661,21 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_min` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicI32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_min_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using a signed comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_min` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicI32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_min_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using a signed comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_min` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicI32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_min_release<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using a signed comparison. /// @@ -607,6 +688,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] signed integer types via the `fetch_min` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicI32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_min_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using an unsigned comparison. @@ -614,30 +696,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_min` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicU32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_umin_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_min` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicU32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_umin_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_min` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicU32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_umin_release<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_min` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicU32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_umin_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Minimum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_min` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicU32::fetch_min`]. + #[rustc_nounwind] pub fn atomic_umin_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using an unsigned comparison. @@ -645,30 +732,35 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_max` method by passing /// [`Ordering::SeqCst`] as the `order`. For example, [`AtomicU32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_umax_seqcst<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_max` method by passing /// [`Ordering::Acquire`] as the `order`. For example, [`AtomicU32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_umax_acquire<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_max` method by passing /// [`Ordering::Release`] as the `order`. For example, [`AtomicU32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_umax_release<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_max` method by passing /// [`Ordering::AcqRel`] as the `order`. For example, [`AtomicU32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_umax_acqrel<T: Copy>(dst: *mut T, src: T) -> T; /// Maximum with the current value using an unsigned comparison. /// /// The stabilized version of this intrinsic is available on the /// [`atomic`] unsigned integer types via the `fetch_max` method by passing /// [`Ordering::Relaxed`] as the `order`. For example, [`AtomicU32::fetch_max`]. + #[rustc_nounwind] pub fn atomic_umax_relaxed<T: Copy>(dst: *mut T, src: T) -> T; /// An atomic fence. @@ -676,24 +768,28 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available in /// [`atomic::fence`] by passing [`Ordering::SeqCst`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_fence_seqcst(); /// An atomic fence. /// /// The stabilized version of this intrinsic is available in /// [`atomic::fence`] by passing [`Ordering::Acquire`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_fence_acquire(); /// An atomic fence. /// /// The stabilized version of this intrinsic is available in /// [`atomic::fence`] by passing [`Ordering::Release`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_fence_release(); /// An atomic fence. /// /// The stabilized version of this intrinsic is available in /// [`atomic::fence`] by passing [`Ordering::AcqRel`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_fence_acqrel(); /// A compiler-only memory barrier. @@ -706,6 +802,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available in /// [`atomic::compiler_fence`] by passing [`Ordering::SeqCst`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_singlethreadfence_seqcst(); /// A compiler-only memory barrier. /// @@ -717,6 +814,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available in /// [`atomic::compiler_fence`] by passing [`Ordering::Acquire`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_singlethreadfence_acquire(); /// A compiler-only memory barrier. /// @@ -728,6 +826,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available in /// [`atomic::compiler_fence`] by passing [`Ordering::Release`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_singlethreadfence_release(); /// A compiler-only memory barrier. /// @@ -739,6 +838,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is available in /// [`atomic::compiler_fence`] by passing [`Ordering::AcqRel`] /// as the `order`. + #[rustc_nounwind] pub fn atomic_singlethreadfence_acqrel(); /// The `prefetch` intrinsic is a hint to the code generator to insert a prefetch instruction @@ -750,6 +850,7 @@ extern "rust-intrinsic" { /// ranging from (0) - no locality, to (3) - extremely local keep in cache. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn prefetch_read_data<T>(data: *const T, locality: i32); /// The `prefetch` intrinsic is a hint to the code generator to insert a prefetch instruction /// if supported; otherwise, it is a no-op. @@ -760,6 +861,7 @@ extern "rust-intrinsic" { /// ranging from (0) - no locality, to (3) - extremely local keep in cache. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn prefetch_write_data<T>(data: *const T, locality: i32); /// The `prefetch` intrinsic is a hint to the code generator to insert a prefetch instruction /// if supported; otherwise, it is a no-op. @@ -770,6 +872,7 @@ extern "rust-intrinsic" { /// ranging from (0) - no locality, to (3) - extremely local keep in cache. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn prefetch_read_instruction<T>(data: *const T, locality: i32); /// The `prefetch` intrinsic is a hint to the code generator to insert a prefetch instruction /// if supported; otherwise, it is a no-op. @@ -780,6 +883,7 @@ extern "rust-intrinsic" { /// ranging from (0) - no locality, to (3) - extremely local keep in cache. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn prefetch_write_instruction<T>(data: *const T, locality: i32); /// Magic intrinsic that derives its meaning from attributes @@ -792,6 +896,7 @@ extern "rust-intrinsic" { /// /// This intrinsic should not be used outside of the compiler. #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn rustc_peek<T>(_: T) -> T; /// Aborts the execution of the process. @@ -810,6 +915,7 @@ extern "rust-intrinsic" { /// process will probably terminate with a signal like `SIGABRT`, `SIGILL`, `SIGTRAP`, `SIGSEGV` or /// `SIGBUS`. The precise behaviour is not guaranteed and not stable. #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn abort() -> !; /// Informs the optimizer that this point in the code is not reachable, @@ -821,6 +927,7 @@ extern "rust-intrinsic" { /// /// The stabilized version of this intrinsic is [`core::hint::unreachable_unchecked`]. #[rustc_const_stable(feature = "const_unreachable_unchecked", since = "1.57.0")] + #[rustc_nounwind] pub fn unreachable() -> !; /// Informs the optimizer that a condition is always true. @@ -834,6 +941,7 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_assume", issue = "76972")] + #[rustc_nounwind] pub fn assume(b: bool); /// Hints to the compiler that branch condition is likely to be true. @@ -849,6 +957,7 @@ extern "rust-intrinsic" { /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_likely", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn likely(b: bool) -> bool; /// Hints to the compiler that branch condition is likely to be false. @@ -864,11 +973,13 @@ extern "rust-intrinsic" { /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_likely", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn unlikely(b: bool) -> bool; /// Executes a breakpoint trap, for inspection by a debugger. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn breakpoint(); /// The size of a type in bytes. @@ -884,6 +995,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`core::mem::size_of`]. #[rustc_const_stable(feature = "const_size_of", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn size_of<T>() -> usize; /// The minimum alignment of a type. @@ -896,23 +1008,27 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`core::mem::align_of`]. #[rustc_const_stable(feature = "const_min_align_of", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn min_align_of<T>() -> usize; /// The preferred alignment of a type. /// /// This intrinsic does not have a stable counterpart. /// It's "tracking issue" is [#91971](https://github.com/rust-lang/rust/issues/91971). #[rustc_const_unstable(feature = "const_pref_align_of", issue = "91971")] + #[rustc_nounwind] pub fn pref_align_of<T>() -> usize; /// The size of the referenced value in bytes. /// /// The stabilized version of this intrinsic is [`mem::size_of_val`]. #[rustc_const_unstable(feature = "const_size_of_val", issue = "46571")] + #[rustc_nounwind] pub fn size_of_val<T: ?Sized>(_: *const T) -> usize; /// The required alignment of the referenced value. /// /// The stabilized version of this intrinsic is [`core::mem::align_of_val`]. #[rustc_const_unstable(feature = "const_align_of_val", issue = "46571")] + #[rustc_nounwind] pub fn min_align_of_val<T: ?Sized>(_: *const T) -> usize; /// Gets a static string slice containing the name of a type. @@ -925,6 +1041,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`core::any::type_name`]. #[rustc_const_unstable(feature = "const_type_name", issue = "63084")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn type_name<T: ?Sized>() -> &'static str; /// Gets an identifier which is globally unique to the specified type. This @@ -939,6 +1056,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`core::any::TypeId::of`]. #[rustc_const_unstable(feature = "const_type_id", issue = "77125")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn type_id<T: ?Sized + 'static>() -> u64; /// A guard for unsafe functions that cannot ever be executed if `T` is uninhabited: @@ -947,6 +1065,7 @@ extern "rust-intrinsic" { /// This intrinsic does not have a stable counterpart. #[rustc_const_stable(feature = "const_assert_type", since = "1.59.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn assert_inhabited<T>(); /// A guard for unsafe functions that cannot ever be executed if `T` does not permit @@ -955,6 +1074,7 @@ extern "rust-intrinsic" { /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_assert_type2", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn assert_zero_valid<T>(); /// A guard for `std::mem::uninitialized`. This will statically either panic, or do nothing. @@ -962,6 +1082,7 @@ extern "rust-intrinsic" { /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_assert_type2", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn assert_mem_uninitialized_valid<T>(); /// Gets a reference to a static `Location` indicating where it was called. @@ -974,6 +1095,7 @@ extern "rust-intrinsic" { /// Consider using [`core::panic::Location::caller`] instead. #[rustc_const_unstable(feature = "const_caller_location", issue = "76156")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn caller_location() -> &'static crate::panic::Location<'static>; /// Moves a value out of scope without running drop glue. @@ -987,6 +1109,7 @@ extern "rust-intrinsic" { /// any safety invariants. #[rustc_const_unstable(feature = "const_intrinsic_forget", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn forget<T: ?Sized>(_: T); /// Reinterprets the bits of a value of one type as another type. @@ -1250,6 +1373,7 @@ extern "rust-intrinsic" { #[rustc_allowed_through_unstable_modules] #[rustc_const_stable(feature = "const_transmute", since = "1.56.0")] #[rustc_diagnostic_item = "transmute"] + #[rustc_nounwind] pub fn transmute<Src, Dst>(src: Src) -> Dst; /// Returns `true` if the actual type given as `T` requires drop @@ -1267,6 +1391,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`mem::needs_drop`](crate::mem::needs_drop). #[rustc_const_stable(feature = "const_needs_drop", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn needs_drop<T: ?Sized>() -> bool; /// Calculates the offset from a pointer. @@ -1284,6 +1409,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`pointer::offset`]. #[must_use = "returns a new pointer rather than modifying its argument"] #[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")] + #[rustc_nounwind] pub fn offset<T>(dst: *const T, offset: isize) -> *const T; /// Calculates the offset from a pointer, potentially wrapping. @@ -1301,6 +1427,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`pointer::wrapping_offset`]. #[must_use = "returns a new pointer rather than modifying its argument"] #[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")] + #[rustc_nounwind] pub fn arith_offset<T>(dst: *const T, offset: isize) -> *const T; /// Masks out bits of the pointer according to a mask. @@ -1312,6 +1439,7 @@ extern "rust-intrinsic" { /// /// Consider using [`pointer::mask`] instead. #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn ptr_mask<T>(ptr: *const T, mask: usize) -> *const T; /// Equivalent to the appropriate `llvm.memcpy.p0i8.0i8.*` intrinsic, with @@ -1322,6 +1450,7 @@ extern "rust-intrinsic" { /// unless size is equal to zero. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn volatile_copy_nonoverlapping_memory<T>(dst: *mut T, src: *const T, count: usize); /// Equivalent to the appropriate `llvm.memmove.p0i8.0i8.*` intrinsic, with /// a size of `count * size_of::<T>()` and an alignment of @@ -1331,6 +1460,7 @@ extern "rust-intrinsic" { /// unless size is equal to zero. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn volatile_copy_memory<T>(dst: *mut T, src: *const T, count: usize); /// Equivalent to the appropriate `llvm.memset.p0i8.*` intrinsic, with a /// size of `count * size_of::<T>()` and an alignment of @@ -1340,158 +1470,187 @@ extern "rust-intrinsic" { /// unless size is equal to zero. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn volatile_set_memory<T>(dst: *mut T, val: u8, count: usize); /// Performs a volatile load from the `src` pointer. /// /// The stabilized version of this intrinsic is [`core::ptr::read_volatile`]. + #[rustc_nounwind] pub fn volatile_load<T>(src: *const T) -> T; /// Performs a volatile store to the `dst` pointer. /// /// The stabilized version of this intrinsic is [`core::ptr::write_volatile`]. + #[rustc_nounwind] pub fn volatile_store<T>(dst: *mut T, val: T); /// Performs a volatile load from the `src` pointer /// The pointer is not required to be aligned. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn unaligned_volatile_load<T>(src: *const T) -> T; /// Performs a volatile store to the `dst` pointer. /// The pointer is not required to be aligned. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn unaligned_volatile_store<T>(dst: *mut T, val: T); /// Returns the square root of an `f32` /// /// The stabilized version of this intrinsic is /// [`f32::sqrt`](../../std/primitive.f32.html#method.sqrt) + #[rustc_nounwind] pub fn sqrtf32(x: f32) -> f32; /// Returns the square root of an `f64` /// /// The stabilized version of this intrinsic is /// [`f64::sqrt`](../../std/primitive.f64.html#method.sqrt) + #[rustc_nounwind] pub fn sqrtf64(x: f64) -> f64; /// Raises an `f32` to an integer power. /// /// The stabilized version of this intrinsic is /// [`f32::powi`](../../std/primitive.f32.html#method.powi) + #[rustc_nounwind] pub fn powif32(a: f32, x: i32) -> f32; /// Raises an `f64` to an integer power. /// /// The stabilized version of this intrinsic is /// [`f64::powi`](../../std/primitive.f64.html#method.powi) + #[rustc_nounwind] pub fn powif64(a: f64, x: i32) -> f64; /// Returns the sine of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::sin`](../../std/primitive.f32.html#method.sin) + #[rustc_nounwind] pub fn sinf32(x: f32) -> f32; /// Returns the sine of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::sin`](../../std/primitive.f64.html#method.sin) + #[rustc_nounwind] pub fn sinf64(x: f64) -> f64; /// Returns the cosine of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::cos`](../../std/primitive.f32.html#method.cos) + #[rustc_nounwind] pub fn cosf32(x: f32) -> f32; /// Returns the cosine of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::cos`](../../std/primitive.f64.html#method.cos) + #[rustc_nounwind] pub fn cosf64(x: f64) -> f64; /// Raises an `f32` to an `f32` power. /// /// The stabilized version of this intrinsic is /// [`f32::powf`](../../std/primitive.f32.html#method.powf) + #[rustc_nounwind] pub fn powf32(a: f32, x: f32) -> f32; /// Raises an `f64` to an `f64` power. /// /// The stabilized version of this intrinsic is /// [`f64::powf`](../../std/primitive.f64.html#method.powf) + #[rustc_nounwind] pub fn powf64(a: f64, x: f64) -> f64; /// Returns the exponential of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::exp`](../../std/primitive.f32.html#method.exp) + #[rustc_nounwind] pub fn expf32(x: f32) -> f32; /// Returns the exponential of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::exp`](../../std/primitive.f64.html#method.exp) + #[rustc_nounwind] pub fn expf64(x: f64) -> f64; /// Returns 2 raised to the power of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::exp2`](../../std/primitive.f32.html#method.exp2) + #[rustc_nounwind] pub fn exp2f32(x: f32) -> f32; /// Returns 2 raised to the power of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::exp2`](../../std/primitive.f64.html#method.exp2) + #[rustc_nounwind] pub fn exp2f64(x: f64) -> f64; /// Returns the natural logarithm of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::ln`](../../std/primitive.f32.html#method.ln) + #[rustc_nounwind] pub fn logf32(x: f32) -> f32; /// Returns the natural logarithm of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::ln`](../../std/primitive.f64.html#method.ln) + #[rustc_nounwind] pub fn logf64(x: f64) -> f64; /// Returns the base 10 logarithm of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::log10`](../../std/primitive.f32.html#method.log10) + #[rustc_nounwind] pub fn log10f32(x: f32) -> f32; /// Returns the base 10 logarithm of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::log10`](../../std/primitive.f64.html#method.log10) + #[rustc_nounwind] pub fn log10f64(x: f64) -> f64; /// Returns the base 2 logarithm of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::log2`](../../std/primitive.f32.html#method.log2) + #[rustc_nounwind] pub fn log2f32(x: f32) -> f32; /// Returns the base 2 logarithm of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::log2`](../../std/primitive.f64.html#method.log2) + #[rustc_nounwind] pub fn log2f64(x: f64) -> f64; /// Returns `a * b + c` for `f32` values. /// /// The stabilized version of this intrinsic is /// [`f32::mul_add`](../../std/primitive.f32.html#method.mul_add) + #[rustc_nounwind] pub fn fmaf32(a: f32, b: f32, c: f32) -> f32; /// Returns `a * b + c` for `f64` values. /// /// The stabilized version of this intrinsic is /// [`f64::mul_add`](../../std/primitive.f64.html#method.mul_add) + #[rustc_nounwind] pub fn fmaf64(a: f64, b: f64, c: f64) -> f64; /// Returns the absolute value of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::abs`](../../std/primitive.f32.html#method.abs) + #[rustc_nounwind] pub fn fabsf32(x: f32) -> f32; /// Returns the absolute value of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::abs`](../../std/primitive.f64.html#method.abs) + #[rustc_nounwind] pub fn fabsf64(x: f64) -> f64; /// Returns the minimum of two `f32` values. @@ -1504,6 +1663,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is /// [`f32::min`] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn minnumf32(x: f32, y: f32) -> f32; /// Returns the minimum of two `f64` values. /// @@ -1515,6 +1675,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is /// [`f64::min`] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn minnumf64(x: f64, y: f64) -> f64; /// Returns the maximum of two `f32` values. /// @@ -1526,6 +1687,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is /// [`f32::max`] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn maxnumf32(x: f32, y: f32) -> f32; /// Returns the maximum of two `f64` values. /// @@ -1537,50 +1699,59 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is /// [`f64::max`] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn maxnumf64(x: f64, y: f64) -> f64; /// Copies the sign from `y` to `x` for `f32` values. /// /// The stabilized version of this intrinsic is /// [`f32::copysign`](../../std/primitive.f32.html#method.copysign) + #[rustc_nounwind] pub fn copysignf32(x: f32, y: f32) -> f32; /// Copies the sign from `y` to `x` for `f64` values. /// /// The stabilized version of this intrinsic is /// [`f64::copysign`](../../std/primitive.f64.html#method.copysign) + #[rustc_nounwind] pub fn copysignf64(x: f64, y: f64) -> f64; /// Returns the largest integer less than or equal to an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::floor`](../../std/primitive.f32.html#method.floor) + #[rustc_nounwind] pub fn floorf32(x: f32) -> f32; /// Returns the largest integer less than or equal to an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::floor`](../../std/primitive.f64.html#method.floor) + #[rustc_nounwind] pub fn floorf64(x: f64) -> f64; /// Returns the smallest integer greater than or equal to an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::ceil`](../../std/primitive.f32.html#method.ceil) + #[rustc_nounwind] pub fn ceilf32(x: f32) -> f32; /// Returns the smallest integer greater than or equal to an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::ceil`](../../std/primitive.f64.html#method.ceil) + #[rustc_nounwind] pub fn ceilf64(x: f64) -> f64; /// Returns the integer part of an `f32`. /// /// The stabilized version of this intrinsic is /// [`f32::trunc`](../../std/primitive.f32.html#method.trunc) + #[rustc_nounwind] pub fn truncf32(x: f32) -> f32; /// Returns the integer part of an `f64`. /// /// The stabilized version of this intrinsic is /// [`f64::trunc`](../../std/primitive.f64.html#method.trunc) + #[rustc_nounwind] pub fn truncf64(x: f64) -> f64; /// Returns the nearest integer to an `f32`. May raise an inexact floating-point exception @@ -1588,32 +1759,38 @@ extern "rust-intrinsic" { /// /// The stabilized version of this intrinsic is /// [`f32::round_ties_even`](../../std/primitive.f32.html#method.round_ties_even) + #[rustc_nounwind] pub fn rintf32(x: f32) -> f32; /// Returns the nearest integer to an `f64`. May raise an inexact floating-point exception /// if the argument is not an integer. /// /// The stabilized version of this intrinsic is /// [`f64::round_ties_even`](../../std/primitive.f64.html#method.round_ties_even) + #[rustc_nounwind] pub fn rintf64(x: f64) -> f64; /// Returns the nearest integer to an `f32`. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn nearbyintf32(x: f32) -> f32; /// Returns the nearest integer to an `f64`. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn nearbyintf64(x: f64) -> f64; /// Returns the nearest integer to an `f32`. Rounds half-way cases away from zero. /// /// The stabilized version of this intrinsic is /// [`f32::round`](../../std/primitive.f32.html#method.round) + #[rustc_nounwind] pub fn roundf32(x: f32) -> f32; /// Returns the nearest integer to an `f64`. Rounds half-way cases away from zero. /// /// The stabilized version of this intrinsic is /// [`f64::round`](../../std/primitive.f64.html#method.round) + #[rustc_nounwind] pub fn roundf64(x: f64) -> f64; /// Returns the nearest integer to an `f32`. Rounds half-way cases to the number @@ -1621,48 +1798,56 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[cfg(not(bootstrap))] + #[rustc_nounwind] pub fn roundevenf32(x: f32) -> f32; /// Returns the nearest integer to an `f64`. Rounds half-way cases to the number /// with an even least significant digit. /// /// This intrinsic does not have a stable counterpart. #[cfg(not(bootstrap))] + #[rustc_nounwind] pub fn roundevenf64(x: f64) -> f64; /// Float addition that allows optimizations based on algebraic rules. /// May assume inputs are finite. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn fadd_fast<T: Copy>(a: T, b: T) -> T; /// Float subtraction that allows optimizations based on algebraic rules. /// May assume inputs are finite. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn fsub_fast<T: Copy>(a: T, b: T) -> T; /// Float multiplication that allows optimizations based on algebraic rules. /// May assume inputs are finite. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn fmul_fast<T: Copy>(a: T, b: T) -> T; /// Float division that allows optimizations based on algebraic rules. /// May assume inputs are finite. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn fdiv_fast<T: Copy>(a: T, b: T) -> T; /// Float remainder that allows optimizations based on algebraic rules. /// May assume inputs are finite. /// /// This intrinsic does not have a stable counterpart. + #[rustc_nounwind] pub fn frem_fast<T: Copy>(a: T, b: T) -> T; /// Convert with LLVM’s fptoui/fptosi, which may return undef for values out of range /// (<https://github.com/rust-lang/rust/issues/10184>) /// /// Stabilized as [`f32::to_int_unchecked`] and [`f64::to_int_unchecked`]. + #[rustc_nounwind] pub fn float_to_int_unchecked<Float: Copy, Int: Copy>(value: Float) -> Int; /// Returns the number of bits set in an integer type `T` @@ -1677,6 +1862,7 @@ extern "rust-intrinsic" { /// [`u32::count_ones`] #[rustc_const_stable(feature = "const_ctpop", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn ctpop<T: Copy>(x: T) -> T; /// Returns the number of leading unset bits (zeroes) in an integer type `T`. @@ -1715,6 +1901,7 @@ extern "rust-intrinsic" { /// ``` #[rustc_const_stable(feature = "const_ctlz", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn ctlz<T: Copy>(x: T) -> T; /// Like `ctlz`, but extra-unsafe as it returns `undef` when @@ -1734,6 +1921,7 @@ extern "rust-intrinsic" { /// assert_eq!(num_leading, 3); /// ``` #[rustc_const_stable(feature = "constctlz", since = "1.50.0")] + #[rustc_nounwind] pub fn ctlz_nonzero<T: Copy>(x: T) -> T; /// Returns the number of trailing unset bits (zeroes) in an integer type `T`. @@ -1772,6 +1960,7 @@ extern "rust-intrinsic" { /// ``` #[rustc_const_stable(feature = "const_cttz", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn cttz<T: Copy>(x: T) -> T; /// Like `cttz`, but extra-unsafe as it returns `undef` when @@ -1791,6 +1980,7 @@ extern "rust-intrinsic" { /// assert_eq!(num_trailing, 3); /// ``` #[rustc_const_stable(feature = "const_cttz_nonzero", since = "1.53.0")] + #[rustc_nounwind] pub fn cttz_nonzero<T: Copy>(x: T) -> T; /// Reverses the bytes in an integer type `T`. @@ -1805,6 +1995,7 @@ extern "rust-intrinsic" { /// [`u32::swap_bytes`] #[rustc_const_stable(feature = "const_bswap", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn bswap<T: Copy>(x: T) -> T; /// Reverses the bits in an integer type `T`. @@ -1819,6 +2010,7 @@ extern "rust-intrinsic" { /// [`u32::reverse_bits`] #[rustc_const_stable(feature = "const_bitreverse", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn bitreverse<T: Copy>(x: T) -> T; /// Performs checked integer addition. @@ -1833,6 +2025,7 @@ extern "rust-intrinsic" { /// [`u32::overflowing_add`] #[rustc_const_stable(feature = "const_int_overflow", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn add_with_overflow<T: Copy>(x: T, y: T) -> (T, bool); /// Performs checked integer subtraction @@ -1847,6 +2040,7 @@ extern "rust-intrinsic" { /// [`u32::overflowing_sub`] #[rustc_const_stable(feature = "const_int_overflow", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn sub_with_overflow<T: Copy>(x: T, y: T) -> (T, bool); /// Performs checked integer multiplication @@ -1861,6 +2055,7 @@ extern "rust-intrinsic" { /// [`u32::overflowing_mul`] #[rustc_const_stable(feature = "const_int_overflow", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn mul_with_overflow<T: Copy>(x: T, y: T) -> (T, bool); /// Performs an exact division, resulting in undefined behavior where @@ -1868,6 +2063,7 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_exact_div", issue = "none")] + #[rustc_nounwind] pub fn exact_div<T: Copy>(x: T, y: T) -> T; /// Performs an unchecked division, resulting in undefined behavior @@ -1877,6 +2073,7 @@ extern "rust-intrinsic" { /// primitives via the `checked_div` method. For example, /// [`u32::checked_div`] #[rustc_const_stable(feature = "const_int_unchecked_div", since = "1.52.0")] + #[rustc_nounwind] pub fn unchecked_div<T: Copy>(x: T, y: T) -> T; /// Returns the remainder of an unchecked division, resulting in /// undefined behavior when `y == 0` or `x == T::MIN && y == -1` @@ -1885,6 +2082,7 @@ extern "rust-intrinsic" { /// primitives via the `checked_rem` method. For example, /// [`u32::checked_rem`] #[rustc_const_stable(feature = "const_int_unchecked_rem", since = "1.52.0")] + #[rustc_nounwind] pub fn unchecked_rem<T: Copy>(x: T, y: T) -> T; /// Performs an unchecked left shift, resulting in undefined behavior when @@ -1894,6 +2092,7 @@ extern "rust-intrinsic" { /// primitives via the `checked_shl` method. For example, /// [`u32::checked_shl`] #[rustc_const_stable(feature = "const_int_unchecked", since = "1.40.0")] + #[rustc_nounwind] pub fn unchecked_shl<T: Copy>(x: T, y: T) -> T; /// Performs an unchecked right shift, resulting in undefined behavior when /// `y < 0` or `y >= N`, where N is the width of T in bits. @@ -1902,6 +2101,7 @@ extern "rust-intrinsic" { /// primitives via the `checked_shr` method. For example, /// [`u32::checked_shr`] #[rustc_const_stable(feature = "const_int_unchecked", since = "1.40.0")] + #[rustc_nounwind] pub fn unchecked_shr<T: Copy>(x: T, y: T) -> T; /// Returns the result of an unchecked addition, resulting in @@ -1909,6 +2109,7 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_int_unchecked_arith", issue = "none")] + #[rustc_nounwind] pub fn unchecked_add<T: Copy>(x: T, y: T) -> T; /// Returns the result of an unchecked subtraction, resulting in @@ -1916,6 +2117,7 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_int_unchecked_arith", issue = "none")] + #[rustc_nounwind] pub fn unchecked_sub<T: Copy>(x: T, y: T) -> T; /// Returns the result of an unchecked multiplication, resulting in @@ -1923,6 +2125,7 @@ extern "rust-intrinsic" { /// /// This intrinsic does not have a stable counterpart. #[rustc_const_unstable(feature = "const_int_unchecked_arith", issue = "none")] + #[rustc_nounwind] pub fn unchecked_mul<T: Copy>(x: T, y: T) -> T; /// Performs rotate left. @@ -1937,6 +2140,7 @@ extern "rust-intrinsic" { /// [`u32::rotate_left`] #[rustc_const_stable(feature = "const_int_rotate", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn rotate_left<T: Copy>(x: T, y: T) -> T; /// Performs rotate right. @@ -1951,6 +2155,7 @@ extern "rust-intrinsic" { /// [`u32::rotate_right`] #[rustc_const_stable(feature = "const_int_rotate", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn rotate_right<T: Copy>(x: T, y: T) -> T; /// Returns (a + b) mod 2<sup>N</sup>, where N is the width of T in bits. @@ -1965,6 +2170,7 @@ extern "rust-intrinsic" { /// [`u32::wrapping_add`] #[rustc_const_stable(feature = "const_int_wrapping", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn wrapping_add<T: Copy>(a: T, b: T) -> T; /// Returns (a - b) mod 2<sup>N</sup>, where N is the width of T in bits. /// @@ -1978,6 +2184,7 @@ extern "rust-intrinsic" { /// [`u32::wrapping_sub`] #[rustc_const_stable(feature = "const_int_wrapping", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn wrapping_sub<T: Copy>(a: T, b: T) -> T; /// Returns (a * b) mod 2<sup>N</sup>, where N is the width of T in bits. /// @@ -1991,6 +2198,7 @@ extern "rust-intrinsic" { /// [`u32::wrapping_mul`] #[rustc_const_stable(feature = "const_int_wrapping", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn wrapping_mul<T: Copy>(a: T, b: T) -> T; /// Computes `a + b`, saturating at numeric bounds. @@ -2005,6 +2213,7 @@ extern "rust-intrinsic" { /// [`u32::saturating_add`] #[rustc_const_stable(feature = "const_int_saturating", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn saturating_add<T: Copy>(a: T, b: T) -> T; /// Computes `a - b`, saturating at numeric bounds. /// @@ -2018,6 +2227,7 @@ extern "rust-intrinsic" { /// [`u32::saturating_sub`] #[rustc_const_stable(feature = "const_int_saturating", since = "1.40.0")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn saturating_sub<T: Copy>(a: T, b: T) -> T; /// This is an implementation detail of [`crate::ptr::read`] and should @@ -2028,6 +2238,7 @@ extern "rust-intrinsic" { /// trivially obeys runtime-MIR rules about derefs in operands. #[cfg(not(bootstrap))] #[rustc_const_unstable(feature = "const_ptr_read", issue = "80377")] + #[rustc_nounwind] pub fn read_via_copy<T>(p: *const T) -> T; /// Returns the value of the discriminant for the variant in 'v'; @@ -2041,6 +2252,7 @@ extern "rust-intrinsic" { /// The stabilized version of this intrinsic is [`core::mem::discriminant`]. #[rustc_const_unstable(feature = "const_discriminant", issue = "69821")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn discriminant_value<T>(v: &T) -> <T as DiscriminantKind>::Discriminant; /// Returns the number of variants of the type `T` cast to a `usize`; @@ -2054,6 +2266,7 @@ extern "rust-intrinsic" { /// The to-be-stabilized version of this intrinsic is [`mem::variant_count`]. #[rustc_const_unstable(feature = "variant_count", issue = "73662")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn variant_count<T>() -> usize; /// Rust's "try catch" construct which invokes the function pointer `try_fn` @@ -2063,18 +2276,24 @@ extern "rust-intrinsic" { /// takes the data pointer and a pointer to the target-specific exception /// object that was caught. For more information see the compiler's /// source as well as std's catch implementation. + /// + /// `catch_fn` must not unwind. + #[rustc_nounwind] pub fn r#try(try_fn: fn(*mut u8), data: *mut u8, catch_fn: fn(*mut u8, *mut u8)) -> i32; /// Emits a `!nontemporal` store according to LLVM (see their docs). /// Probably will never become stable. + #[rustc_nounwind] pub fn nontemporal_store<T>(ptr: *mut T, val: T); /// See documentation of `<*const T>::offset_from` for details. #[rustc_const_stable(feature = "const_ptr_offset_from", since = "1.65.0")] + #[rustc_nounwind] pub fn ptr_offset_from<T>(ptr: *const T, base: *const T) -> isize; /// See documentation of `<*const T>::sub_ptr` for details. #[rustc_const_unstable(feature = "const_ptr_sub_ptr", issue = "95892")] + #[rustc_nounwind] pub fn ptr_offset_from_unsigned<T>(ptr: *const T, base: *const T) -> usize; /// See documentation of `<*const T>::guaranteed_eq` for details. @@ -2088,6 +2307,7 @@ extern "rust-intrinsic" { /// any safety invariants. #[rustc_const_unstable(feature = "const_raw_ptr_comparison", issue = "53020")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn ptr_guaranteed_cmp<T>(ptr: *const T, other: *const T) -> u8; /// Allocates a block of memory at compile time. @@ -2099,6 +2319,7 @@ extern "rust-intrinsic" { /// - At compile time, a compile error occurs if this constraint is violated. /// - At runtime, it is not checked. #[rustc_const_unstable(feature = "const_heap", issue = "79597")] + #[rustc_nounwind] pub fn const_allocate(size: usize, align: usize) -> *mut u8; /// Deallocates a memory which allocated by `intrinsics::const_allocate` at compile time. @@ -2112,6 +2333,7 @@ extern "rust-intrinsic" { /// - If the `ptr` is created in an another const, this intrinsic doesn't deallocate it. /// - If the `ptr` is pointing to a local variable, this intrinsic doesn't deallocate it. #[rustc_const_unstable(feature = "const_heap", issue = "79597")] + #[rustc_nounwind] pub fn const_deallocate(ptr: *mut u8, size: usize, align: usize); /// Determines whether the raw bytes of the two values are equal. @@ -2136,6 +2358,7 @@ extern "rust-intrinsic" { /// (The implementation is allowed to branch on the results of comparisons, /// which is UB if any of their inputs are `undef`.) #[rustc_const_unstable(feature = "const_intrinsic_raw_eq", issue = "none")] + #[rustc_nounwind] pub fn raw_eq<T>(a: &T, b: &T) -> bool; /// See documentation of [`std::hint::black_box`] for details. @@ -2143,14 +2366,17 @@ extern "rust-intrinsic" { /// [`std::hint::black_box`]: crate::hint::black_box #[rustc_const_unstable(feature = "const_black_box", issue = "none")] #[rustc_safe_intrinsic] + #[rustc_nounwind] pub fn black_box<T>(dummy: T) -> T; /// `ptr` must point to a vtable. /// The intrinsic will return the size stored in that vtable. + #[rustc_nounwind] pub fn vtable_size(ptr: *const ()) -> usize; /// `ptr` must point to a vtable. /// The intrinsic will return the alignment stored in that vtable. + #[rustc_nounwind] pub fn vtable_align(ptr: *const ()) -> usize; /// Selects which function to call depending on the context. @@ -2215,10 +2441,11 @@ extern "rust-intrinsic" { G: FnOnce<ARG, Output = RET>, F: FnOnce<ARG, Output = RET>; - #[cfg(not(bootstrap))] /// This method creates a pointer to any `Some` value. If the argument is /// `None`, an invalid within-bounds pointer (that is still acceptable for /// constructing an empty slice) is returned. + #[cfg(not(bootstrap))] + #[rustc_nounwind] pub fn option_payload_ptr<T>(arg: *const Option<T>) -> *const T; } @@ -2292,7 +2519,9 @@ pub(crate) fn is_valid_allocation_size<T>(len: usize) -> bool { pub(crate) fn is_nonoverlapping<T>(src: *const T, dst: *const T, count: usize) -> bool { let src_usize = src.addr(); let dst_usize = dst.addr(); - let size = mem::size_of::<T>().checked_mul(count).unwrap(); + let size = mem::size_of::<T>() + .checked_mul(count) + .expect("is_nonoverlapping: `size_of::<T>() * count` overflows a usize"); let diff = if src_usize > dst_usize { src_usize - dst_usize } else { dst_usize - src_usize }; // If the absolute distance between the ptrs is at least as big as the size of the buffer, // they do not overlap. @@ -2392,6 +2621,7 @@ pub(crate) fn is_nonoverlapping<T>(src: *const T, dst: *const T, count: usize) - pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize) { extern "rust-intrinsic" { #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")] + #[rustc_nounwind] pub fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); } @@ -2482,6 +2712,7 @@ pub const unsafe fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: us pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) { extern "rust-intrinsic" { #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")] + #[rustc_nounwind] fn copy<T>(src: *const T, dst: *mut T, count: usize); } @@ -2554,6 +2785,7 @@ pub const unsafe fn copy<T>(src: *const T, dst: *mut T, count: usize) { pub const unsafe fn write_bytes<T>(dst: *mut T, val: u8, count: usize) { extern "rust-intrinsic" { #[rustc_const_unstable(feature = "const_ptr_write", issue = "86302")] + #[rustc_nounwind] fn write_bytes<T>(dst: *mut T, val: u8, count: usize); } diff --git a/library/core/src/intrinsics/mir.rs b/library/core/src/intrinsics/mir.rs index 6690c1a76d5..45498a54b25 100644 --- a/library/core/src/intrinsics/mir.rs +++ b/library/core/src/intrinsics/mir.rs @@ -232,6 +232,7 @@ //! - `&`, `&mut`, `addr_of!`, and `addr_of_mut!` all work to create their associated rvalue. //! - [`Discriminant`] and [`Len`] have associated functions. //! - Unary and binary operations use their normal Rust syntax - `a * b`, `!c`, etc. +//! - The binary operation `Offset` can be created via [`Offset`]. //! - Checked binary operations are represented by wrapping the associated binop in [`Checked`]. //! - Array repetition syntax (`[foo; 10]`) creates the associated rvalue. //! @@ -246,7 +247,7 @@ //! - The exception is the last arm, which must be `_ => basic_block` and corresponds to the //! otherwise branch. //! - [`Call`] has an associated function as well. The third argument of this function is a normal -//! function call expresion, for example `my_other_function(a, 5)`. +//! function call expression, for example `my_other_function(a, 5)`. //! #![unstable( @@ -289,6 +290,7 @@ define!( fn Discriminant<T>(place: T) -> <T as ::core::marker::DiscriminantKind>::Discriminant ); define!("mir_set_discriminant", fn SetDiscriminant<T>(place: T, index: u32)); +define!("mir_offset", fn Offset<T, U>(ptr: T, count: U) -> T); define!( "mir_field", /// Access the field with the given index of some place. diff --git a/library/core/src/iter/sources/repeat_with.rs b/library/core/src/iter/sources/repeat_with.rs index 3f34105a3e0..d3cd74a4483 100644 --- a/library/core/src/iter/sources/repeat_with.rs +++ b/library/core/src/iter/sources/repeat_with.rs @@ -19,7 +19,6 @@ use crate::ops::Try; /// please open a GitHub issue explaining your use case. /// /// [`repeat()`]: crate::iter::repeat -/// [`DoubleEndedIterator`]: crate::iter::DoubleEndedIterator /// /// # Examples /// diff --git a/library/core/src/iter/traits/iterator.rs b/library/core/src/iter/traits/iterator.rs index f3d1e45f4fb..02877604248 100644 --- a/library/core/src/iter/traits/iterator.rs +++ b/library/core/src/iter/traits/iterator.rs @@ -764,7 +764,6 @@ pub trait Iterator { /// more idiomatic to use [`for`] than `map()`. /// /// [`for`]: ../../book/ch03-05-control-flow.html#looping-through-a-collection-with-for - /// [`FnMut`]: crate::ops::FnMut /// /// # Examples /// diff --git a/library/core/src/lib.rs b/library/core/src/lib.rs index 4fd5a4bfc65..04243544b83 100644 --- a/library/core/src/lib.rs +++ b/library/core/src/lib.rs @@ -98,11 +98,14 @@ #![warn(multiple_supertrait_upcastable)] // // Library features: -#![feature(const_align_offset)] +// tidy-alphabetical-start +#![feature(char_indices_offset)] #![feature(const_align_of_val)] #![feature(const_align_of_val_raw)] +#![feature(const_align_offset)] #![feature(const_alloc_layout)] #![feature(const_arguments_as_str)] +#![feature(const_array_from_ref)] #![feature(const_array_into_iter_constructors)] #![feature(const_bigint_helper_methods)] #![feature(const_black_box)] @@ -111,6 +114,9 @@ #![feature(const_char_from_u32_unchecked)] #![feature(const_clone)] #![feature(const_cmp)] +#![feature(const_convert)] +#![feature(const_cstr_methods)] +#![feature(const_default_impls)] #![feature(const_discriminant)] #![feature(const_eval_select)] #![feature(const_exact_div)] @@ -119,17 +125,17 @@ #![feature(const_fmt_arguments_new)] #![feature(const_hash)] #![feature(const_heap)] -#![feature(const_convert)] #![feature(const_index_range_slice_index)] #![feature(const_inherent_unchecked_arith)] #![feature(const_int_unchecked_arith)] #![feature(const_intrinsic_forget)] #![feature(const_ipv4)] #![feature(const_ipv6)] +#![feature(const_is_char_boundary)] #![feature(const_likely)] -#![feature(const_maybe_uninit_uninit_array)] #![feature(const_maybe_uninit_as_mut_ptr)] #![feature(const_maybe_uninit_assume_init)] +#![feature(const_maybe_uninit_uninit_array)] #![feature(const_nonnull_new)] #![feature(const_num_from_num)] #![feature(const_ops)] @@ -138,32 +144,35 @@ #![feature(const_pin)] #![feature(const_pointer_byte_offsets)] #![feature(const_pointer_is_aligned)] -#![feature(const_ptr_sub_ptr)] -#![feature(const_replace)] -#![feature(const_result_drop)] #![feature(const_ptr_as_ref)] #![feature(const_ptr_is_null)] #![feature(const_ptr_read)] +#![feature(const_ptr_sub_ptr)] #![feature(const_ptr_write)] #![feature(const_raw_ptr_comparison)] +#![feature(const_replace)] +#![feature(const_result_drop)] #![feature(const_size_of_val)] #![feature(const_size_of_val_raw)] #![feature(const_slice_from_raw_parts_mut)] +#![feature(const_slice_from_ref)] +#![feature(const_slice_index)] #![feature(const_slice_ptr_len)] #![feature(const_slice_split_at_mut)] #![feature(const_str_from_utf8_unchecked_mut)] #![feature(const_swap)] #![feature(const_trait_impl)] +#![feature(const_transmute_copy)] #![feature(const_try)] #![feature(const_type_id)] #![feature(const_type_name)] -#![feature(const_default_impls)] #![feature(const_unicode_case_lookup)] #![feature(const_unsafecell_get_mut)] #![feature(const_waker)] #![feature(core_panic)] -#![feature(char_indices_offset)] #![feature(duration_consts_float)] +#![feature(ip)] +#![feature(is_ascii_octdigit)] #![feature(maybe_uninit_uninit_array)] #![feature(ptr_alignment_type)] #![feature(ptr_metadata)] @@ -171,25 +180,21 @@ #![feature(slice_ptr_get)] #![feature(slice_split_at_unchecked)] #![feature(str_internals)] -#![feature(str_split_remainder)] #![feature(str_split_inclusive_remainder)] +#![feature(str_split_remainder)] #![feature(strict_provenance)] #![feature(utf16_extra)] #![feature(utf16_extra_const)] #![feature(variant_count)] -#![feature(const_array_from_ref)] -#![feature(const_slice_from_ref)] -#![feature(const_slice_index)] -#![feature(const_is_char_boundary)] -#![feature(const_cstr_methods)] -#![feature(ip)] -#![feature(is_ascii_octdigit)] +// tidy-alphabetical-end // // Language features: +// tidy-alphabetical-start #![feature(abi_unadjusted)] #![feature(adt_const_params)] #![feature(allow_internal_unsafe)] #![feature(allow_internal_unstable)] +#![feature(asm_const)] #![feature(associated_type_bounds)] #![feature(auto_traits)] #![feature(c_unwind)] @@ -206,13 +211,12 @@ #![feature(deprecated_suggestion)] #![feature(derive_const)] #![feature(doc_cfg)] +#![feature(doc_cfg_hide)] #![feature(doc_notable_trait)] -#![feature(generic_arg_infer)] -#![feature(rustdoc_internals)] #![feature(exhaustive_patterns)] -#![feature(doc_cfg_hide)] #![feature(extern_types)] #![feature(fundamental)] +#![feature(generic_arg_infer)] #![feature(if_let_guard)] #![feature(inline_const)] #![feature(intra_doc_pointers)] @@ -221,6 +225,7 @@ #![feature(link_llvm_intrinsics)] #![feature(macro_metavar_expr)] #![feature(min_specialization)] +#![feature(multiple_supertrait_upcastable)] #![feature(must_not_suspend)] #![feature(negative_impls)] #![feature(never_type)] @@ -231,6 +236,7 @@ #![feature(repr_simd)] #![feature(rustc_allow_const_fn_unstable)] #![feature(rustc_attrs)] +#![feature(rustdoc_internals)] #![feature(simd_ffi)] #![feature(staged_api)] #![feature(stmt_expr_attributes)] @@ -240,11 +246,10 @@ #![feature(try_blocks)] #![feature(unboxed_closures)] #![feature(unsized_fn_params)] -#![feature(asm_const)] -#![feature(const_transmute_copy)] -#![feature(multiple_supertrait_upcastable)] +// tidy-alphabetical-end // // Target features: +// tidy-alphabetical-start #![feature(arm_target_feature)] #![feature(avx512_target_feature)] #![feature(hexagon_target_feature)] @@ -255,6 +260,7 @@ #![feature(sse4a_target_feature)] #![feature(tbm_target_feature)] #![feature(wasm_target_feature)] +// tidy-alphabetical-end // allow using `core::` in intra-doc links #[allow(unused_extern_crates)] diff --git a/library/core/src/marker.rs b/library/core/src/marker.rs index 62064f1aa6c..3cd4f5104ce 100644 --- a/library/core/src/marker.rs +++ b/library/core/src/marker.rs @@ -823,7 +823,7 @@ unsafe impl<T: ?Sized> Freeze for &mut T {} /// [`pin` module]: crate::pin #[stable(feature = "pin", since = "1.33.0")] #[rustc_on_unimplemented( - note = "consider using `Box::pin`", + note = "consider using the `pin!` macro\nconsider using `Box::pin` if you need to access the pinned value outside of the current scope", message = "`{Self}` cannot be unpinned" )] #[lang = "unpin"] diff --git a/library/core/src/mem/mod.rs b/library/core/src/mem/mod.rs index a67df7ed557..30ec73cabf8 100644 --- a/library/core/src/mem/mod.rs +++ b/library/core/src/mem/mod.rs @@ -170,7 +170,7 @@ pub fn forget_unsized<T: ?Sized>(t: T) { /// /// The following table gives the size for primitives. /// -/// Type | size_of::\<Type>() +/// Type | `size_of::<Type>()` /// ---- | --------------- /// () | 0 /// bool | 1 @@ -190,8 +190,8 @@ pub fn forget_unsized<T: ?Sized>(t: T) { /// /// Furthermore, `usize` and `isize` have the same size. /// -/// The types `*const T`, `&T`, `Box<T>`, `Option<&T>`, and `Option<Box<T>>` all have -/// the same size. If `T` is Sized, all of those types have the same size as `usize`. +/// The types [`*const T`], `&T`, [`Box<T>`], [`Option<&T>`], and `Option<Box<T>>` all have +/// the same size. If `T` is `Sized`, all of those types have the same size as `usize`. /// /// The mutability of a pointer does not change its size. As such, `&T` and `&mut T` /// have the same size. Likewise for `*const T` and `*mut T`. @@ -203,7 +203,7 @@ pub fn forget_unsized<T: ?Sized>(t: T) { /// /// ## Size of Structs /// -/// For `structs`, the size is determined by the following algorithm. +/// For `struct`s, the size is determined by the following algorithm. /// /// For each field in the struct ordered by declaration order: /// @@ -299,6 +299,10 @@ pub fn forget_unsized<T: ?Sized>(t: T) { /// ``` /// /// [alignment]: align_of +/// [`*const T`]: primitive@pointer +/// [`Box<T>`]: ../../std/boxed/struct.Box.html +/// [`Option<&T>`]: crate::option::Option +/// #[inline(always)] #[must_use] #[stable(feature = "rust1", since = "1.0.0")] @@ -311,7 +315,7 @@ pub const fn size_of<T>() -> usize { /// Returns the size of the pointed-to value in bytes. /// -/// This is usually the same as `size_of::<T>()`. However, when `T` *has* no +/// This is usually the same as [`size_of::<T>()`]. However, when `T` *has* no /// statically-known size, e.g., a slice [`[T]`][slice] or a [trait object], /// then `size_of_val` can be used to get the dynamically-known size. /// @@ -328,6 +332,8 @@ pub const fn size_of<T>() -> usize { /// let y: &[u8] = &x; /// assert_eq!(13, mem::size_of_val(y)); /// ``` +/// +/// [`size_of::<T>()`]: size_of #[inline] #[must_use] #[stable(feature = "rust1", since = "1.0.0")] @@ -340,7 +346,7 @@ pub const fn size_of_val<T: ?Sized>(val: &T) -> usize { /// Returns the size of the pointed-to value in bytes. /// -/// This is usually the same as `size_of::<T>()`. However, when `T` *has* no +/// This is usually the same as [`size_of::<T>()`]. However, when `T` *has* no /// statically-known size, e.g., a slice [`[T]`][slice] or a [trait object], /// then `size_of_val_raw` can be used to get the dynamically-known size. /// @@ -363,6 +369,7 @@ pub const fn size_of_val<T: ?Sized>(val: &T) -> usize { /// [`size_of_val`] on a reference to a type with an extern type tail. /// - otherwise, it is conservatively not allowed to call this function. /// +/// [`size_of::<T>()`]: size_of /// [trait object]: ../../book/ch17-02-trait-objects.html /// [extern type]: ../../unstable-book/language-features/extern-types.html /// diff --git a/library/core/src/mem/transmutability.rs b/library/core/src/mem/transmutability.rs index 3b98efff293..b53a330fa56 100644 --- a/library/core/src/mem/transmutability.rs +++ b/library/core/src/mem/transmutability.rs @@ -5,10 +5,6 @@ /// notwithstanding whatever safety checks you have asked the compiler to [`Assume`] are satisfied. #[unstable(feature = "transmutability", issue = "99571")] #[lang = "transmute_trait"] -#[rustc_on_unimplemented( - message = "`{Src}` cannot be safely transmuted into `{Self}` in the defining scope of `{Context}`.", - label = "`{Src}` cannot be safely transmuted into `{Self}` in the defining scope of `{Context}`." -)] pub unsafe trait BikeshedIntrinsicFrom<Src, Context, const ASSUME: Assume = { Assume::NOTHING }> where Src: ?Sized, diff --git a/library/core/src/net/parser.rs b/library/core/src/net/parser.rs index a08d2792d04..b9a1924d668 100644 --- a/library/core/src/net/parser.rs +++ b/library/core/src/net/parser.rs @@ -9,7 +9,7 @@ use crate::fmt; use crate::net::{IpAddr, Ipv4Addr, Ipv6Addr, SocketAddr, SocketAddrV4, SocketAddrV6}; use crate::str::FromStr; -trait ReadNumberHelper: crate::marker::Sized { +trait ReadNumberHelper: Sized { const ZERO: Self; fn checked_mul(&self, other: u32) -> Option<Self>; fn checked_add(&self, other: u32) -> Option<Self>; diff --git a/library/core/src/num/f32.rs b/library/core/src/num/f32.rs index 1308b0770b8..1c6819b547d 100644 --- a/library/core/src/num/f32.rs +++ b/library/core/src/num/f32.rs @@ -1391,7 +1391,7 @@ impl f32 { #[stable(feature = "clamp", since = "1.50.0")] #[inline] pub fn clamp(mut self, min: f32, max: f32) -> f32 { - assert!(min <= max); + assert!(min <= max, "min > max, or either was NaN. min = {min:?}, max = {max:?}"); if self < min { self = min; } diff --git a/library/core/src/num/f64.rs b/library/core/src/num/f64.rs index 2a22c4302b9..1e7387217cb 100644 --- a/library/core/src/num/f64.rs +++ b/library/core/src/num/f64.rs @@ -1389,7 +1389,7 @@ impl f64 { #[stable(feature = "clamp", since = "1.50.0")] #[inline] pub fn clamp(mut self, min: f64, max: f64) -> f64 { - assert!(min <= max); + assert!(min <= max, "min > max, or either was NaN. min = {min:?}, max = {max:?}"); if self < min { self = min; } diff --git a/library/core/src/panic/panic_info.rs b/library/core/src/panic/panic_info.rs index 0d385c9d187..06fbe083ca1 100644 --- a/library/core/src/panic/panic_info.rs +++ b/library/core/src/panic/panic_info.rs @@ -15,14 +15,10 @@ use crate::panic::Location; /// use std::panic; /// /// panic::set_hook(Box::new(|panic_info| { -/// if let Some(s) = panic_info.payload().downcast_ref::<&str>() { -/// println!("panic occurred: {s:?}"); -/// } else { -/// println!("panic occurred"); -/// } +/// println!("panic occurred: {panic_info}"); /// })); /// -/// panic!("Normal panic"); +/// panic!("critical system failure"); /// ``` #[lang = "panic_info"] #[stable(feature = "panic_hooks", since = "1.10.0")] diff --git a/library/core/src/panic/unwind_safe.rs b/library/core/src/panic/unwind_safe.rs index 9a6153f1253..7e7b6b4dbe9 100644 --- a/library/core/src/panic/unwind_safe.rs +++ b/library/core/src/panic/unwind_safe.rs @@ -28,7 +28,7 @@ use crate::task::{Context, Poll}; /// 2. This broken invariant is then later observed. /// /// Typically in Rust, it is difficult to perform step (2) because catching a -/// panic involves either spawning a thread (which in turns makes it difficult +/// panic involves either spawning a thread (which in turn makes it difficult /// to later witness broken invariants) or using the `catch_unwind` function in this /// module. Additionally, even if an invariant is witnessed, it typically isn't a /// problem in Rust because there are no uninitialized values (like in C or C++). diff --git a/library/core/src/primitive_docs.rs b/library/core/src/primitive_docs.rs index 51e6947a9c2..3df990e5dd9 100644 --- a/library/core/src/primitive_docs.rs +++ b/library/core/src/primitive_docs.rs @@ -577,7 +577,6 @@ impl Copy for () { /// [`is_null`]: pointer::is_null /// [`offset`]: pointer::offset #[doc = concat!("[`into_raw`]: ", include_str!("../primitive_docs/box_into_raw.md"))] -/// [`drop`]: mem::drop /// [`write`]: ptr::write #[stable(feature = "rust1", since = "1.0.0")] mod prim_pointer {} @@ -1026,7 +1025,6 @@ mod prim_str {} /// * [`UnwindSafe`] /// * [`RefUnwindSafe`] /// -/// [`Unpin`]: marker::Unpin /// [`UnwindSafe`]: panic::UnwindSafe /// [`RefUnwindSafe`]: panic::RefUnwindSafe /// @@ -1405,10 +1403,6 @@ mod prim_ref {} /// /// *See also the traits [`Fn`], [`FnMut`], and [`FnOnce`].* /// -/// [`Fn`]: ops::Fn -/// [`FnMut`]: ops::FnMut -/// [`FnOnce`]: ops::FnOnce -/// /// Function pointers are pointers that point to *code*, not data. They can be called /// just like functions. Like references, function pointers are, among other things, assumed to /// not be null, so if you want to pass a function pointer over FFI and be able to accommodate null diff --git a/library/core/src/ptr/mod.rs b/library/core/src/ptr/mod.rs index 9cdfd2c21cc..818f1a919d0 100644 --- a/library/core/src/ptr/mod.rs +++ b/library/core/src/ptr/mod.rs @@ -1371,6 +1371,7 @@ pub const unsafe fn write<T>(dst: *mut T, src: T) { // as `intrinsics::copy_nonoverlapping` is a wrapper function. extern "rust-intrinsic" { #[rustc_const_stable(feature = "const_intrinsic_copy", since = "1.63.0")] + #[rustc_nounwind] fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); } diff --git a/library/core/src/slice/sort.rs b/library/core/src/slice/sort.rs index 2333f60a888..07fd96f9295 100644 --- a/library/core/src/slice/sort.rs +++ b/library/core/src/slice/sort.rs @@ -1486,7 +1486,7 @@ where } /// Finds a streak of presorted elements starting at the beginning of the slice. Returns the first -/// value that is not part of said streak, and a bool denoting wether the streak was reversed. +/// value that is not part of said streak, and a bool denoting whether the streak was reversed. /// Streaks can be increasing or decreasing. fn find_streak<T, F>(v: &[T], is_less: &mut F) -> (usize, bool) where diff --git a/library/core/src/str/pattern.rs b/library/core/src/str/pattern.rs index 19da6d2fbec..e3a464a1c51 100644 --- a/library/core/src/str/pattern.rs +++ b/library/core/src/str/pattern.rs @@ -1891,7 +1891,7 @@ unsafe fn small_slice_eq(x: &[u8], y: &[u8]) -> bool { // SAFETY: Via the conditional above, we know that both `px` and `py` // have the same length, so `px < pxend` implies that `py < pyend`. - // Thus, derefencing both `px` and `py` in the loop below is safe. + // Thus, dereferencing both `px` and `py` in the loop below is safe. // // Moreover, we set `pxend` and `pyend` to be 4 bytes before the actual // end of `px` and `py`. Thus, the final dereference outside of the diff --git a/library/core/src/sync/exclusive.rs b/library/core/src/sync/exclusive.rs index 301ad41c966..3f3e19c55d4 100644 --- a/library/core/src/sync/exclusive.rs +++ b/library/core/src/sync/exclusive.rs @@ -69,9 +69,6 @@ use core::task::{Context, Poll}; /// for any value. This is a parallel with the fact that /// `&` and `&mut` references together can be thought of as a _compile-time_ /// version of a read-write lock. -/// -/// -/// [`Sync`]: core::marker::Sync #[unstable(feature = "exclusive_wrapper", issue = "98407")] #[doc(alias = "SyncWrapper")] #[doc(alias = "SyncCell")] diff --git a/library/core/tests/num/dec2flt/mod.rs b/library/core/tests/num/dec2flt/mod.rs index a2b9bb551e6..874e0ec7093 100644 --- a/library/core/tests/num/dec2flt/mod.rs +++ b/library/core/tests/num/dec2flt/mod.rs @@ -127,14 +127,3 @@ fn massive_exponent() { assert_eq!(format!("1e-{max}000").parse(), Ok(0.0)); assert_eq!(format!("1e{max}000").parse(), Ok(f64::INFINITY)); } - -#[test] -fn borderline_overflow() { - let mut s = "0.".to_string(); - for _ in 0..375 { - s.push('3'); - } - // At the time of this writing, this returns Err(..), but this is a bug that should be fixed. - // It makes no sense to enshrine that in a test, the important part is that it doesn't panic. - let _ = s.parse::<f64>(); -} diff --git a/library/core/tests/num/ieee754.rs b/library/core/tests/num/ieee754.rs index f6e5dfc98c7..48ab75b6f17 100644 --- a/library/core/tests/num/ieee754.rs +++ b/library/core/tests/num/ieee754.rs @@ -39,7 +39,6 @@ macro_rules! assert_biteq { // ToString uses the default fmt::Display impl without special concerns, and bypasses other parts // of the formatting infrastructure, which makes it ideal for testing here. -#[allow(unused_macros)] macro_rules! roundtrip { ($f:expr => $t:ty) => { ($f).to_string().parse::<$t>().unwrap() diff --git a/library/portable-simd/crates/core_simd/src/masks/full_masks.rs b/library/portable-simd/crates/core_simd/src/masks/full_masks.rs index adf0fcbeae2..b5ba198e504 100644 --- a/library/portable-simd/crates/core_simd/src/masks/full_masks.rs +++ b/library/portable-simd/crates/core_simd/src/masks/full_masks.rs @@ -257,7 +257,7 @@ where } } -impl<T, const LANES: usize> core::convert::From<Mask<T, LANES>> for Simd<T, LANES> +impl<T, const LANES: usize> From<Mask<T, LANES>> for Simd<T, LANES> where T: MaskElement, LaneCount<LANES>: SupportedLaneCount, diff --git a/library/proc_macro/src/bridge/fxhash.rs b/library/proc_macro/src/bridge/fxhash.rs index 17bd0a1b336..f4e90544197 100644 --- a/library/proc_macro/src/bridge/fxhash.rs +++ b/library/proc_macro/src/bridge/fxhash.rs @@ -5,8 +5,6 @@ //! on the `rustc_hash` crate. use std::collections::HashMap; -use std::convert::TryInto; -use std::default::Default; use std::hash::BuildHasherDefault; use std::hash::Hasher; use std::mem::size_of; diff --git a/library/proc_macro/src/lib.rs b/library/proc_macro/src/lib.rs index 938935771d6..9d081c8b842 100644 --- a/library/proc_macro/src/lib.rs +++ b/library/proc_macro/src/lib.rs @@ -47,7 +47,7 @@ use std::cmp::Ordering; use std::ops::RangeBounds; use std::path::PathBuf; use std::str::FromStr; -use std::{error, fmt, iter}; +use std::{error, fmt}; /// Determines whether proc_macro has been made accessible to the currently /// running program. @@ -310,7 +310,7 @@ impl ConcatStreamsHelper { /// Collects a number of token trees into a single stream. #[stable(feature = "proc_macro_lib2", since = "1.29.0")] -impl iter::FromIterator<TokenTree> for TokenStream { +impl FromIterator<TokenTree> for TokenStream { fn from_iter<I: IntoIterator<Item = TokenTree>>(trees: I) -> Self { let iter = trees.into_iter(); let mut builder = ConcatTreesHelper::new(iter.size_hint().0); @@ -322,7 +322,7 @@ impl iter::FromIterator<TokenTree> for TokenStream { /// A "flattening" operation on token streams, collects token trees /// from multiple token streams into a single stream. #[stable(feature = "proc_macro_lib", since = "1.15.0")] -impl iter::FromIterator<TokenStream> for TokenStream { +impl FromIterator<TokenStream> for TokenStream { fn from_iter<I: IntoIterator<Item = TokenStream>>(streams: I) -> Self { let iter = streams.into_iter(); let mut builder = ConcatStreamsHelper::new(iter.size_hint().0); diff --git a/library/std/src/collections/hash/map.rs b/library/std/src/collections/hash/map.rs index 742c4cc7c55..3afc8287ecc 100644 --- a/library/std/src/collections/hash/map.rs +++ b/library/std/src/collections/hash/map.rs @@ -1446,7 +1446,6 @@ impl<'a, K, V> IterMut<'a, K, V> { /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: IntoIterator::into_iter -/// [`IntoIterator`]: crate::iter::IntoIterator /// /// # Example /// diff --git a/library/std/src/collections/hash/set.rs b/library/std/src/collections/hash/set.rs index 837a18bff60..ac906e682d5 100644 --- a/library/std/src/collections/hash/set.rs +++ b/library/std/src/collections/hash/set.rs @@ -1272,7 +1272,6 @@ pub struct Iter<'a, K: 'a> { /// (provided by the [`IntoIterator`] trait). See its documentation for more. /// /// [`into_iter`]: IntoIterator::into_iter -/// [`IntoIterator`]: crate::iter::IntoIterator /// /// # Examples /// diff --git a/library/std/src/collections/mod.rs b/library/std/src/collections/mod.rs index 575f56ff4df..42f738acb9f 100644 --- a/library/std/src/collections/mod.rs +++ b/library/std/src/collections/mod.rs @@ -172,7 +172,8 @@ //! //! ## Iterators //! -//! Iterators are a powerful and robust mechanism used throughout Rust's +//! [Iterators][crate::iter] +//! are a powerful and robust mechanism used throughout Rust's //! standard libraries. Iterators provide a sequence of values in a generic, //! safe, efficient and convenient way. The contents of an iterator are usually //! *lazily* evaluated, so that only the values that are actually needed are @@ -252,7 +253,9 @@ //! //! Several other collection methods also return iterators to yield a sequence //! of results but avoid allocating an entire collection to store the result in. -//! This provides maximum flexibility as `collect` or `extend` can be called to +//! This provides maximum flexibility as +//! [`collect`][crate::iter::Iterator::collect] or +//! [`extend`][crate::iter::Extend::extend] can be called to //! "pipe" the sequence into any collection if desired. Otherwise, the sequence //! can be looped over with a `for` loop. The iterator can also be discarded //! after partial use, preventing the computation of the unused items. @@ -395,8 +398,6 @@ //! // ...but the key hasn't changed. b is still "baz", not "xyz". //! assert_eq!(map.keys().next().unwrap().b, "baz"); //! ``` -//! -//! [IntoIterator]: crate::iter::IntoIterator "iter::IntoIterator" #![stable(feature = "rust1", since = "1.0.0")] diff --git a/library/std/src/f32.rs b/library/std/src/f32.rs index c7c33678fd3..408244b2ce9 100644 --- a/library/std/src/f32.rs +++ b/library/std/src/f32.rs @@ -581,8 +581,10 @@ impl f32 { unsafe { cmath::cbrtf(self) } } - /// Calculates the length of the hypotenuse of a right-angle triangle given - /// legs of length `x` and `y`. + /// Compute the distance between the origin and a point (`x`, `y`) on the + /// Euclidean plane. Equivalently, compute the length of the hypotenuse of a + /// right-angle triangle with other sides having length `x.abs()` and + /// `y.abs()`. /// /// # Examples /// diff --git a/library/std/src/f64.rs b/library/std/src/f64.rs index b1faa670307..6782b861f11 100644 --- a/library/std/src/f64.rs +++ b/library/std/src/f64.rs @@ -583,8 +583,10 @@ impl f64 { unsafe { cmath::cbrt(self) } } - /// Calculates the length of the hypotenuse of a right-angle triangle given - /// legs of length `x` and `y`. + /// Compute the distance between the origin and a point (`x`, `y`) on the + /// Euclidean plane. Equivalently, compute the length of the hypotenuse of a + /// right-angle triangle with other sides having length `x.abs()` and + /// `y.abs()`. /// /// # Examples /// diff --git a/library/std/src/ffi/os_str.rs b/library/std/src/ffi/os_str.rs index 80ed34157e6..5c0541d3caf 100644 --- a/library/std/src/ffi/os_str.rs +++ b/library/std/src/ffi/os_str.rs @@ -6,7 +6,6 @@ use crate::cmp; use crate::collections::TryReserveError; use crate::fmt; use crate::hash::{Hash, Hasher}; -use crate::iter::Extend; use crate::ops; use crate::rc::Rc; use crate::str::FromStr; diff --git a/library/std/src/io/error.rs b/library/std/src/io/error.rs index 1cedd6eedfa..34c0ce9dcf8 100644 --- a/library/std/src/io/error.rs +++ b/library/std/src/io/error.rs @@ -11,7 +11,6 @@ mod repr_unpacked; #[cfg(not(target_pointer_width = "64"))] use repr_unpacked::Repr; -use crate::convert::From; use crate::error; use crate::fmt; use crate::result; diff --git a/library/std/src/io/mod.rs b/library/std/src/io/mod.rs index 4b31c552eed..020c723925a 100644 --- a/library/std/src/io/mod.rs +++ b/library/std/src/io/mod.rs @@ -268,7 +268,7 @@ pub(crate) use self::stdio::attempt_print_to_stderr; #[unstable(feature = "internal_output_capture", issue = "none")] #[doc(no_inline, hidden)] pub use self::stdio::set_output_capture; -#[unstable(feature = "is_terminal", issue = "98070")] +#[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] pub use self::stdio::IsTerminal; #[unstable(feature = "print_internals", issue = "none")] pub use self::stdio::{_eprint, _print}; diff --git a/library/std/src/io/stdio.rs b/library/std/src/io/stdio.rs index 1a3200a5c62..b2c57b8ddc7 100644 --- a/library/std/src/io/stdio.rs +++ b/library/std/src/io/stdio.rs @@ -1047,7 +1047,7 @@ pub(crate) fn attempt_print_to_stderr(args: fmt::Arguments<'_>) { } /// Trait to determine if a descriptor/handle refers to a terminal/tty. -#[unstable(feature = "is_terminal", issue = "98070")] +#[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] pub trait IsTerminal: crate::sealed::Sealed { /// Returns `true` if the descriptor/handle refers to a terminal/tty. /// @@ -1063,6 +1063,7 @@ pub trait IsTerminal: crate::sealed::Sealed { /// Note that this [may change in the future][changes]. /// /// [changes]: io#platform-specific-behavior + #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] fn is_terminal(&self) -> bool; } @@ -1071,7 +1072,7 @@ macro_rules! impl_is_terminal { #[unstable(feature = "sealed", issue = "none")] impl crate::sealed::Sealed for $t {} - #[unstable(feature = "is_terminal", issue = "98070")] + #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] impl IsTerminal for $t { #[inline] fn is_terminal(&self) -> bool { diff --git a/library/std/src/keyword_docs.rs b/library/std/src/keyword_docs.rs index 203c490fa29..43842bee992 100644 --- a/library/std/src/keyword_docs.rs +++ b/library/std/src/keyword_docs.rs @@ -1678,7 +1678,7 @@ mod super_keyword {} /// below `Iterator` is a **supertrait** and `ThreeIterator` is a **subtrait**: /// /// ```rust -/// trait ThreeIterator: std::iter::Iterator { +/// trait ThreeIterator: Iterator { /// fn next_three(&mut self) -> Option<[Self::Item; 3]>; /// } /// ``` diff --git a/library/std/src/lib.rs b/library/std/src/lib.rs index 736b3c0497c..98fcc76aa98 100644 --- a/library/std/src/lib.rs +++ b/library/std/src/lib.rs @@ -235,6 +235,7 @@ #![cfg_attr(windows, feature(round_char_boundary))] // // Language features: +// tidy-alphabetical-start #![feature(alloc_error_handler)] #![feature(allocator_internals)] #![feature(allow_internal_unsafe)] @@ -254,11 +255,10 @@ #![feature(exhaustive_patterns)] #![feature(if_let_guard)] #![feature(intra_doc_pointers)] -#![feature(is_terminal)] #![feature(lang_items)] #![feature(let_chains)] -#![feature(linkage)] #![feature(link_cfg)] +#![feature(linkage)] #![feature(min_specialization)] #![feature(must_not_suspend)] #![feature(needs_panic_runtime)] @@ -272,8 +272,10 @@ #![feature(thread_local)] #![feature(try_blocks)] #![feature(utf8_chunks)] +// tidy-alphabetical-end // // Library features (core): +// tidy-alphabetical-start #![feature(char_internals)] #![feature(core_intrinsics)] #![feature(duration_constants)] @@ -290,6 +292,7 @@ #![feature(ip)] #![feature(ip_in_core)] #![feature(maybe_uninit_slice)] +#![feature(maybe_uninit_uninit_array)] #![feature(maybe_uninit_write_slice)] #![feature(panic_can_unwind)] #![feature(panic_info_message)] @@ -307,25 +310,28 @@ #![feature(std_internals)] #![feature(str_internals)] #![feature(strict_provenance)] -#![feature(maybe_uninit_uninit_array)] -#![feature(const_maybe_uninit_uninit_array)] -#![feature(const_waker)] +// tidy-alphabetical-end // // Library features (alloc): +// tidy-alphabetical-start #![feature(alloc_layout_extra)] #![feature(allocator_api)] #![feature(get_mut_unchecked)] #![feature(map_try_insert)] #![feature(new_uninit)] +#![feature(slice_concat_trait)] #![feature(thin_box)] #![feature(try_reserve_kind)] #![feature(vec_into_raw_parts)] -#![feature(slice_concat_trait)] +// tidy-alphabetical-end // // Library features (unwind): +// tidy-alphabetical-start #![feature(panic_unwind)] +// tidy-alphabetical-end // // Only for re-exporting: +// tidy-alphabetical-start #![feature(assert_matches)] #![feature(async_iterator)] #![feature(c_variadic)] @@ -337,24 +343,29 @@ #![feature(custom_test_frameworks)] #![feature(edition_panic)] #![feature(format_args_nl)] -#![feature(log_syntax)] +#![feature(get_many_mut)] #![feature(lazy_cell)] +#![feature(log_syntax)] #![feature(saturating_int_impl)] #![feature(stdsimd)] #![feature(test)] #![feature(trace_macros)] -#![feature(get_many_mut)] +// tidy-alphabetical-end // // Only used in tests/benchmarks: // // Only for const-ness: +// tidy-alphabetical-start #![feature(const_collections_with_hasher)] #![feature(const_hash)] #![feature(const_io_structs)] #![feature(const_ip)] #![feature(const_ipv4)] #![feature(const_ipv6)] +#![feature(const_maybe_uninit_uninit_array)] +#![feature(const_waker)] #![feature(thread_local_internals)] +// tidy-alphabetical-end // #![default_lib_allocator] diff --git a/library/std/src/os/fd/owned.rs b/library/std/src/os/fd/owned.rs index a40d39c5e44..6a6e6f33158 100644 --- a/library/std/src/os/fd/owned.rs +++ b/library/std/src/os/fd/owned.rs @@ -201,7 +201,7 @@ macro_rules! impl_is_terminal { #[unstable(feature = "sealed", issue = "none")] impl crate::sealed::Sealed for $t {} - #[unstable(feature = "is_terminal", issue = "98070")] + #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] impl crate::io::IsTerminal for $t { #[inline] fn is_terminal(&self) -> bool { diff --git a/library/std/src/os/windows/io/handle.rs b/library/std/src/os/windows/io/handle.rs index 1dfecc57338..f6622874625 100644 --- a/library/std/src/os/windows/io/handle.rs +++ b/library/std/src/os/windows/io/handle.rs @@ -389,7 +389,7 @@ macro_rules! impl_is_terminal { #[unstable(feature = "sealed", issue = "none")] impl crate::sealed::Sealed for $t {} - #[unstable(feature = "is_terminal", issue = "98070")] + #[stable(feature = "is_terminal", since = "CURRENT_RUSTC_VERSION")] impl crate::io::IsTerminal for $t { #[inline] fn is_terminal(&self) -> bool { diff --git a/library/std/src/panicking.rs b/library/std/src/panicking.rs index e505466e535..a46a29cbad6 100644 --- a/library/std/src/panicking.rs +++ b/library/std/src/panicking.rs @@ -498,6 +498,7 @@ pub unsafe fn r#try<R, F: FnOnce() -> R>(f: F) -> Result<R, Box<dyn Any + Send>> // This function cannot be marked as `unsafe` because `intrinsics::r#try` // expects normal function pointers. #[inline] + #[rustc_nounwind] // `intrinsic::r#try` requires catch fn to be nounwind fn do_catch<F: FnOnce() -> R, R>(data: *mut u8, payload: *mut u8) { // SAFETY: this is the responsibility of the caller, see above. // diff --git a/library/std/src/path.rs b/library/std/src/path.rs index dbc18f7827e..8014ba992ea 100644 --- a/library/std/src/path.rs +++ b/library/std/src/path.rs @@ -78,7 +78,7 @@ use crate::fmt; use crate::fs; use crate::hash::{Hash, Hasher}; use crate::io; -use crate::iter::{self, FusedIterator}; +use crate::iter::FusedIterator; use crate::ops::{self, Deref}; use crate::rc::Rc; use crate::str::FromStr; @@ -450,26 +450,26 @@ impl<'a> PrefixComponent<'a> { } #[stable(feature = "rust1", since = "1.0.0")] -impl<'a> cmp::PartialEq for PrefixComponent<'a> { +impl<'a> PartialEq for PrefixComponent<'a> { #[inline] fn eq(&self, other: &PrefixComponent<'a>) -> bool { - cmp::PartialEq::eq(&self.parsed, &other.parsed) + self.parsed == other.parsed } } #[stable(feature = "rust1", since = "1.0.0")] -impl<'a> cmp::PartialOrd for PrefixComponent<'a> { +impl<'a> PartialOrd for PrefixComponent<'a> { #[inline] fn partial_cmp(&self, other: &PrefixComponent<'a>) -> Option<cmp::Ordering> { - cmp::PartialOrd::partial_cmp(&self.parsed, &other.parsed) + PartialOrd::partial_cmp(&self.parsed, &other.parsed) } } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Ord for PrefixComponent<'_> { +impl Ord for PrefixComponent<'_> { #[inline] fn cmp(&self, other: &Self) -> cmp::Ordering { - cmp::Ord::cmp(&self.parsed, &other.parsed) + Ord::cmp(&self.parsed, &other.parsed) } } @@ -988,7 +988,7 @@ impl<'a> DoubleEndedIterator for Components<'a> { impl FusedIterator for Components<'_> {} #[stable(feature = "rust1", since = "1.0.0")] -impl<'a> cmp::PartialEq for Components<'a> { +impl<'a> PartialEq for Components<'a> { #[inline] fn eq(&self, other: &Components<'a>) -> bool { let Components { path: _, front: _, back: _, has_physical_root: _, prefix: _ } = self; @@ -1015,10 +1015,10 @@ impl<'a> cmp::PartialEq for Components<'a> { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Eq for Components<'_> {} +impl Eq for Components<'_> {} #[stable(feature = "rust1", since = "1.0.0")] -impl<'a> cmp::PartialOrd for Components<'a> { +impl<'a> PartialOrd for Components<'a> { #[inline] fn partial_cmp(&self, other: &Components<'a>) -> Option<cmp::Ordering> { Some(compare_components(self.clone(), other.clone())) @@ -1026,7 +1026,7 @@ impl<'a> cmp::PartialOrd for Components<'a> { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Ord for Components<'_> { +impl Ord for Components<'_> { #[inline] fn cmp(&self, other: &Self) -> cmp::Ordering { compare_components(self.clone(), other.clone()) @@ -1741,7 +1741,7 @@ impl FromStr for PathBuf { } #[stable(feature = "rust1", since = "1.0.0")] -impl<P: AsRef<Path>> iter::FromIterator<P> for PathBuf { +impl<P: AsRef<Path>> FromIterator<P> for PathBuf { fn from_iter<I: IntoIterator<Item = P>>(iter: I) -> PathBuf { let mut buf = PathBuf::new(); buf.extend(iter); @@ -1750,7 +1750,7 @@ impl<P: AsRef<Path>> iter::FromIterator<P> for PathBuf { } #[stable(feature = "rust1", since = "1.0.0")] -impl<P: AsRef<Path>> iter::Extend<P> for PathBuf { +impl<P: AsRef<Path>> Extend<P> for PathBuf { fn extend<I: IntoIterator<Item = P>>(&mut self, iter: I) { iter.into_iter().for_each(move |p| self.push(p.as_ref())); } @@ -1904,7 +1904,7 @@ impl ToOwned for Path { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::PartialEq for PathBuf { +impl PartialEq for PathBuf { #[inline] fn eq(&self, other: &PathBuf) -> bool { self.components() == other.components() @@ -1919,10 +1919,10 @@ impl Hash for PathBuf { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Eq for PathBuf {} +impl Eq for PathBuf {} #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::PartialOrd for PathBuf { +impl PartialOrd for PathBuf { #[inline] fn partial_cmp(&self, other: &PathBuf) -> Option<cmp::Ordering> { Some(compare_components(self.components(), other.components())) @@ -1930,7 +1930,7 @@ impl cmp::PartialOrd for PathBuf { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Ord for PathBuf { +impl Ord for PathBuf { #[inline] fn cmp(&self, other: &PathBuf) -> cmp::Ordering { compare_components(self.components(), other.components()) @@ -3025,7 +3025,7 @@ impl fmt::Display for Display<'_> { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::PartialEq for Path { +impl PartialEq for Path { #[inline] fn eq(&self, other: &Path) -> bool { self.components() == other.components() @@ -3084,10 +3084,10 @@ impl Hash for Path { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Eq for Path {} +impl Eq for Path {} #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::PartialOrd for Path { +impl PartialOrd for Path { #[inline] fn partial_cmp(&self, other: &Path) -> Option<cmp::Ordering> { Some(compare_components(self.components(), other.components())) @@ -3095,7 +3095,7 @@ impl cmp::PartialOrd for Path { } #[stable(feature = "rust1", since = "1.0.0")] -impl cmp::Ord for Path { +impl Ord for Path { #[inline] fn cmp(&self, other: &Path) -> cmp::Ordering { compare_components(self.components(), other.components()) diff --git a/library/std/src/prelude/mod.rs b/library/std/src/prelude/mod.rs index c314bbbb68e..1b29c887d21 100644 --- a/library/std/src/prelude/mod.rs +++ b/library/std/src/prelude/mod.rs @@ -34,7 +34,7 @@ //! marker traits that indicate fundamental properties of types. //! * <code>[std::ops]::{[Drop], [Fn], [FnMut], [FnOnce]}</code>, various //! operations for both destructors and overloading `()`. -//! * <code>[std::mem]::[drop][mem::drop]</code>, a convenience function for explicitly +//! * <code>[std::mem]::[drop]</code>, a convenience function for explicitly //! dropping a value. //! * <code>[std::boxed]::[Box]</code>, a way to allocate values on the heap. //! * <code>[std::borrow]::[ToOwned]</code>, the conversion trait that defines @@ -66,7 +66,6 @@ //! * <code>[std::convert]::{[TryFrom], [TryInto]}</code>, //! * <code>[std::iter]::[FromIterator]</code>. //! -//! [mem::drop]: crate::mem::drop //! [std::borrow]: crate::borrow //! [std::boxed]: crate::boxed //! [std::clone]: crate::clone @@ -86,9 +85,6 @@ //! [std::slice]: crate::slice //! [std::string]: crate::string //! [std::vec]: mod@crate::vec -//! [TryFrom]: crate::convert::TryFrom -//! [TryInto]: crate::convert::TryInto -//! [FromIterator]: crate::iter::FromIterator //! [`to_owned`]: crate::borrow::ToOwned::to_owned //! [book-closures]: ../../book/ch13-01-closures.html //! [book-dtor]: ../../book/ch15-03-drop.html diff --git a/library/std/src/primitive_docs.rs b/library/std/src/primitive_docs.rs index 51e6947a9c2..3df990e5dd9 100644 --- a/library/std/src/primitive_docs.rs +++ b/library/std/src/primitive_docs.rs @@ -577,7 +577,6 @@ impl Copy for () { /// [`is_null`]: pointer::is_null /// [`offset`]: pointer::offset #[doc = concat!("[`into_raw`]: ", include_str!("../primitive_docs/box_into_raw.md"))] -/// [`drop`]: mem::drop /// [`write`]: ptr::write #[stable(feature = "rust1", since = "1.0.0")] mod prim_pointer {} @@ -1026,7 +1025,6 @@ mod prim_str {} /// * [`UnwindSafe`] /// * [`RefUnwindSafe`] /// -/// [`Unpin`]: marker::Unpin /// [`UnwindSafe`]: panic::UnwindSafe /// [`RefUnwindSafe`]: panic::RefUnwindSafe /// @@ -1405,10 +1403,6 @@ mod prim_ref {} /// /// *See also the traits [`Fn`], [`FnMut`], and [`FnOnce`].* /// -/// [`Fn`]: ops::Fn -/// [`FnMut`]: ops::FnMut -/// [`FnOnce`]: ops::FnOnce -/// /// Function pointers are pointers that point to *code*, not data. They can be called /// just like functions. Like references, function pointers are, among other things, assumed to /// not be null, so if you want to pass a function pointer over FFI and be able to accommodate null diff --git a/library/std/src/process.rs b/library/std/src/process.rs index 80d73084c4f..0ab72f7ea7a 100644 --- a/library/std/src/process.rs +++ b/library/std/src/process.rs @@ -652,10 +652,19 @@ impl Command { self } - /// Inserts or updates an environment variable mapping. + /// Inserts or updates an explicit environment variable mapping. /// - /// Note that environment variable names are case-insensitive (but case-preserving) on Windows, - /// and case-sensitive on all other platforms. + /// This method allows you to add an environment variable mapping to the spawned process or + /// overwrite a previously set value. You can use [`Command::envs`] to set multiple environment + /// variables simultaneously. + /// + /// Child processes will inherit environment variables from their parent process by default. + /// Environment variables explicitly set using [`Command::env`] take precedence over inherited + /// variables. You can disable environment variable inheritance entirely using + /// [`Command::env_clear`] or for a single key using [`Command::env_remove`]. + /// + /// Note that environment variable names are case-insensitive (but + /// case-preserving) on Windows and case-sensitive on all other platforms. /// /// # Examples /// @@ -679,7 +688,19 @@ impl Command { self } - /// Adds or updates multiple environment variable mappings. + /// Inserts or updates multiple explicit environment variable mappings. + /// + /// This method allows you to add multiple environment variable mappings to the spawned process + /// or overwrite previously set values. You can use [`Command::env`] to set a single environment + /// variable. + /// + /// Child processes will inherit environment variables from their parent process by default. + /// Environment variables explicitly set using [`Command::envs`] take precedence over inherited + /// variables. You can disable environment variable inheritance entirely using + /// [`Command::env_clear`] or for a single key using [`Command::env_remove`]. + /// + /// Note that environment variable names are case-insensitive (but case-preserving) on Windows + /// and case-sensitive on all other platforms. /// /// # Examples /// @@ -716,7 +737,18 @@ impl Command { self } - /// Removes an environment variable mapping. + /// Removes an explicitly set environment variable and prevents inheriting it from a parent + /// process. + /// + /// This method will remove the explicit value of an environment variable set via + /// [`Command::env`] or [`Command::envs`]. In addition, it will prevent the spawned child + /// process from inheriting that environment variable from its parent process. + /// + /// After calling [`Command::env_remove`], the value associated with its key from + /// [`Command::get_envs`] will be [`None`]. + /// + /// To clear all explicitly set environment variables and disable all environment variable + /// inheritance, you can use [`Command::env_clear`]. /// /// # Examples /// @@ -736,7 +768,17 @@ impl Command { self } - /// Clears the entire environment map for the child process. + /// Clears all explicitly set environment variables and prevents inheriting any parent process + /// environment variables. + /// + /// This method will remove all explicitly added environment variables set via [`Command::env`] + /// or [`Command::envs`]. In addition, it will prevent the spawned child process from inheriting + /// any environment variable from its parent process. + /// + /// After calling [`Command::env_remove`], the iterator from [`Command::get_envs`] will be + /// empty. + /// + /// You can use [`Command::env_remove`] to clear a single mapping. /// /// # Examples /// @@ -988,17 +1030,21 @@ impl Command { CommandArgs { inner: self.inner.get_args() } } - /// Returns an iterator of the environment variables that will be set when - /// the process is spawned. + /// Returns an iterator of the environment variables explicitly set for the child process. + /// + /// Environment variables explicitly set using [`Command::env`], [`Command::envs`], and + /// [`Command::env_remove`] can be retrieved with this method. + /// + /// Note that this output does not include environment variables inherited from the parent + /// process. /// - /// Each element is a tuple `(&OsStr, Option<&OsStr>)`, where the first - /// value is the key, and the second is the value, which is [`None`] if - /// the environment variable is to be explicitly removed. + /// Each element is a tuple key/value pair `(&OsStr, Option<&OsStr>)`. A [`None`] value + /// indicates its key was explicitly removed via [`Command::env_remove`]. The associated key for + /// the [`None`] value will no longer inherit from its parent process. /// - /// This only includes environment variables explicitly set with - /// [`Command::env`], [`Command::envs`], and [`Command::env_remove`]. It - /// does not include environment variables that will be inherited by the - /// child process. + /// An empty iterator can indicate that no explicit mappings were added or that + /// [`Command::env_clear`] was called. After calling [`Command::env_clear`], the child process + /// will not inherit any environment variables from its parent process. /// /// # Examples /// diff --git a/library/std/src/sync/mpmc/list.rs b/library/std/src/sync/mpmc/list.rs index ec6c0726ac7..406a331a309 100644 --- a/library/std/src/sync/mpmc/list.rs +++ b/library/std/src/sync/mpmc/list.rs @@ -549,6 +549,18 @@ impl<T> Channel<T> { let mut head = self.head.index.load(Ordering::Acquire); let mut block = self.head.block.load(Ordering::Acquire); + // If we're going to be dropping messages we need to synchronize with initialization + if head >> SHIFT != tail >> SHIFT { + // The block can be null here only if a sender is in the process of initializing the + // channel while another sender managed to send a message by inserting it into the + // semi-initialized channel and advanced the tail. + // In that case, just wait until it gets initialized. + while block.is_null() { + backoff.spin_heavy(); + block = self.head.block.load(Ordering::Acquire); + } + } + unsafe { // Drop all messages between head and tail and deallocate the heap-allocated blocks. while head >> SHIFT != tail >> SHIFT { diff --git a/library/std/src/sys/sgx/abi/usercalls/alloc.rs b/library/std/src/sys/sgx/abi/usercalls/alloc.rs index 0d934318c22..01505e94487 100644 --- a/library/std/src/sys/sgx/abi/usercalls/alloc.rs +++ b/library/std/src/sys/sgx/abi/usercalls/alloc.rs @@ -3,7 +3,6 @@ use crate::arch::asm; use crate::cell::UnsafeCell; use crate::cmp; -use crate::convert::TryInto; use crate::mem; use crate::ops::{CoerceUnsized, Deref, DerefMut, Index, IndexMut}; use crate::ptr::{self, NonNull}; diff --git a/library/std/src/sys/unix/fs.rs b/library/std/src/sys/unix/fs.rs index 7566fafda24..abef170dd5a 100644 --- a/library/std/src/sys/unix/fs.rs +++ b/library/std/src/sys/unix/fs.rs @@ -34,7 +34,7 @@ use crate::sys_common::{AsInner, AsInnerMut, FromInner, IntoInner}; target_os = "watchos", ))] use crate::sys::weak::syscall; -#[cfg(any(target_os = "android", target_os = "macos"))] +#[cfg(any(target_os = "android", target_os = "macos", target_os = "solaris"))] use crate::sys::weak::weak; use libc::{c_int, mode_t}; @@ -43,6 +43,7 @@ use libc::{c_int, mode_t}; target_os = "macos", target_os = "ios", target_os = "watchos", + target_os = "solaris", all(target_os = "linux", target_env = "gnu") ))] use libc::c_char; @@ -1497,8 +1498,8 @@ pub fn link(original: &Path, link: &Path) -> io::Result<()> { // Android has `linkat` on newer versions, but we happen to know `link` // always has the correct behavior, so it's here as well. cvt(unsafe { libc::link(original.as_ptr(), link.as_ptr()) })?; - } else if #[cfg(target_os = "macos")] { - // On MacOS, older versions (<=10.9) lack support for linkat while newer + } else if #[cfg(any(target_os = "macos", target_os = "solaris"))] { + // MacOS (<=10.9) and Solaris 10 lack support for linkat while newer // versions have it. We want to use linkat if it is available, so we use weak! // to check. `linkat` is preferable to `link` because it gives us a flag to // specify how symlinks should be handled. We pass 0 as the flags argument, @@ -1892,7 +1893,7 @@ mod remove_dir_impl { // file descriptor is automatically closed by libc::closedir() now, so give up ownership let new_parent_fd = dir_fd.into_raw_fd(); // a valid root is not needed because we do not call any functions involving the full path - // of the DirEntrys. + // of the `DirEntry`s. let dummy_root = PathBuf::new(); let inner = InnerReadDir { dirp, root: dummy_root }; Ok((ReadDir::new(inner), new_parent_fd)) diff --git a/library/std/src/sys/unix/futex.rs b/library/std/src/sys/unix/futex.rs index 8d5b540212a..d310be6c7a1 100644 --- a/library/std/src/sys/unix/futex.rs +++ b/library/std/src/sys/unix/futex.rs @@ -273,8 +273,6 @@ pub mod zircon { #[cfg(target_os = "fuchsia")] pub fn futex_wait(futex: &AtomicU32, expected: u32, timeout: Option<Duration>) -> bool { - use crate::convert::TryFrom; - // Sleep forever if the timeout is longer than fits in a i64. let deadline = timeout .and_then(|d| { diff --git a/library/std/src/sys/unix/kernel_copy.rs b/library/std/src/sys/unix/kernel_copy.rs index 73b9bef7e2a..16c8e0c0ebf 100644 --- a/library/std/src/sys/unix/kernel_copy.rs +++ b/library/std/src/sys/unix/kernel_copy.rs @@ -17,11 +17,9 @@ //! Once it has obtained all necessary pieces and brought any wrapper types into a state where they //! can be safely bypassed it will attempt to use the `copy_file_range(2)`, //! `sendfile(2)` or `splice(2)` syscalls to move data directly between file descriptors. -//! Since those syscalls have requirements that cannot be fully checked in advance and -//! gathering additional information about file descriptors would require additional syscalls -//! anyway it simply attempts to use them one after another (guided by inaccurate hints) to -//! figure out which one works and falls back to the generic read-write copy loop if none of them -//! does. +//! Since those syscalls have requirements that cannot be fully checked in advance it attempts +//! to use them one after another (guided by hints) to figure out which one works and +//! falls back to the generic read-write copy loop if none of them does. //! Once a working syscall is found for a pair of file descriptors it will be called in a loop //! until the copy operation is completed. //! @@ -84,14 +82,10 @@ pub(crate) fn copy_spec<R: Read + ?Sized, W: Write + ?Sized>( /// The methods on this type only provide hints, due to `AsRawFd` and `FromRawFd` the inferred /// type may be wrong. enum FdMeta { - /// We obtained the FD from a type that can contain any type of `FileType` and queried the metadata - /// because it is cheaper than probing all possible syscalls (reader side) Metadata(Metadata), Socket, Pipe, - /// We don't have any metadata, e.g. because the original type was `File` which can represent - /// any `FileType` and we did not query the metadata either since it did not seem beneficial - /// (writer side) + /// We don't have any metadata because the stat syscall failed NoneObtained, } @@ -131,6 +125,39 @@ impl FdMeta { } } +/// Returns true either if changes made to the source after a sendfile/splice call won't become +/// visible in the sink or the source has explicitly opted into such behavior (e.g. by splicing +/// a file into a pipe, the pipe being the source in this case). +/// +/// This will prevent File -> Pipe and File -> Socket splicing/sendfile optimizations to uphold +/// the Read/Write API semantics of io::copy. +/// +/// Note: This is not 100% airtight, the caller can use the RawFd conversion methods to turn a +/// regular file into a TcpSocket which will be treated as a socket here without checking. +fn safe_kernel_copy(source: &FdMeta, sink: &FdMeta) -> bool { + match (source, sink) { + // Data arriving from a socket is safe because the sender can't modify the socket buffer. + // Data arriving from a pipe is safe(-ish) because either the sender *copied* + // the bytes into the pipe OR explicitly performed an operation that enables zero-copy, + // thus promising not to modify the data later. + (FdMeta::Socket, _) => true, + (FdMeta::Pipe, _) => true, + (FdMeta::Metadata(meta), _) + if meta.file_type().is_fifo() || meta.file_type().is_socket() => + { + true + } + // Data going into non-pipes/non-sockets is safe because the "later changes may become visible" issue + // only happens for pages sitting in send buffers or pipes. + (_, FdMeta::Metadata(meta)) + if !meta.file_type().is_fifo() && !meta.file_type().is_socket() => + { + true + } + _ => false, + } +} + struct CopyParams(FdMeta, Option<RawFd>); struct Copier<'a, 'b, R: Read + ?Sized, W: Write + ?Sized> { @@ -186,7 +213,8 @@ impl<R: CopyRead, W: CopyWrite> SpecCopy for Copier<'_, '_, R, W> { // So we just try and fallback if needed. // If current file offsets + write sizes overflow it may also fail, we do not try to fix that and instead // fall back to the generic copy loop. - if input_meta.potential_sendfile_source() { + if input_meta.potential_sendfile_source() && safe_kernel_copy(&input_meta, &output_meta) + { let result = sendfile_splice(SpliceMode::Sendfile, readfd, writefd, max_write); result.update_take(reader); @@ -197,7 +225,9 @@ impl<R: CopyRead, W: CopyWrite> SpecCopy for Copier<'_, '_, R, W> { } } - if input_meta.maybe_fifo() || output_meta.maybe_fifo() { + if (input_meta.maybe_fifo() || output_meta.maybe_fifo()) + && safe_kernel_copy(&input_meta, &output_meta) + { let result = sendfile_splice(SpliceMode::Splice, readfd, writefd, max_write); result.update_take(reader); @@ -298,13 +328,13 @@ impl CopyRead for &File { impl CopyWrite for File { fn properties(&self) -> CopyParams { - CopyParams(FdMeta::NoneObtained, Some(self.as_raw_fd())) + CopyParams(fd_to_meta(self), Some(self.as_raw_fd())) } } impl CopyWrite for &File { fn properties(&self) -> CopyParams { - CopyParams(FdMeta::NoneObtained, Some(self.as_raw_fd())) + CopyParams(fd_to_meta(*self), Some(self.as_raw_fd())) } } @@ -401,13 +431,13 @@ impl CopyRead for StdinLock<'_> { impl CopyWrite for StdoutLock<'_> { fn properties(&self) -> CopyParams { - CopyParams(FdMeta::NoneObtained, Some(self.as_raw_fd())) + CopyParams(fd_to_meta(self), Some(self.as_raw_fd())) } } impl CopyWrite for StderrLock<'_> { fn properties(&self) -> CopyParams { - CopyParams(FdMeta::NoneObtained, Some(self.as_raw_fd())) + CopyParams(fd_to_meta(self), Some(self.as_raw_fd())) } } diff --git a/library/std/src/sys/unix/kernel_copy/tests.rs b/library/std/src/sys/unix/kernel_copy/tests.rs index 3fe849e23e2..a524270e3fb 100644 --- a/library/std/src/sys/unix/kernel_copy/tests.rs +++ b/library/std/src/sys/unix/kernel_copy/tests.rs @@ -83,6 +83,48 @@ fn copies_append_mode_sink() -> Result<()> { Ok(()) } +#[test] +fn dont_splice_pipes_from_files() -> Result<()> { + // splicing to a pipe and then modifying the source could lead to changes + // becoming visible in an unexpected order. + + use crate::io::SeekFrom; + use crate::os::unix::fs::FileExt; + use crate::process::{ChildStdin, ChildStdout}; + use crate::sys_common::FromInner; + + let (read_end, write_end) = crate::sys::pipe::anon_pipe()?; + + let mut read_end = ChildStdout::from_inner(read_end); + let mut write_end = ChildStdin::from_inner(write_end); + + let tmp_path = tmpdir(); + let file = tmp_path.join("to_be_modified"); + let mut file = + crate::fs::OpenOptions::new().create_new(true).read(true).write(true).open(file)?; + + const SZ: usize = libc::PIPE_BUF as usize; + + // put data in page cache + let mut buf: [u8; SZ] = [0x01; SZ]; + file.write_all(&buf).unwrap(); + + // copy page into pipe + file.seek(SeekFrom::Start(0)).unwrap(); + assert!(io::copy(&mut file, &mut write_end).unwrap() == SZ as u64); + + // modify file + buf[0] = 0x02; + file.write_at(&buf, 0).unwrap(); + + // read from pipe + read_end.read_exact(buf.as_mut_slice()).unwrap(); + + assert_eq!(buf[0], 0x01, "data in pipe should reflect the original, not later modifications"); + + Ok(()) +} + #[bench] fn bench_file_to_file_copy(b: &mut test::Bencher) { const BYTES: usize = 128 * 1024; diff --git a/library/std/src/sys/unix/os.rs b/library/std/src/sys/unix/os.rs index 1c44058aff7..a345af76fa2 100644 --- a/library/std/src/sys/unix/os.rs +++ b/library/std/src/sys/unix/os.rs @@ -7,7 +7,6 @@ mod tests; use crate::os::unix::prelude::*; -use crate::convert::TryFrom; use crate::error::Error as StdError; use crate::ffi::{CStr, CString, OsStr, OsString}; use crate::fmt; diff --git a/library/std/src/sys/unix/process/process_fuchsia.rs b/library/std/src/sys/unix/process/process_fuchsia.rs index d4c7e58b34d..e45c380a0bb 100644 --- a/library/std/src/sys/unix/process/process_fuchsia.rs +++ b/library/std/src/sys/unix/process/process_fuchsia.rs @@ -166,7 +166,6 @@ impl Process { } pub fn wait(&mut self) -> io::Result<ExitStatus> { - use crate::default::Default; use crate::sys::process::zircon::*; let mut proc_info: zx_info_process_t = Default::default(); @@ -199,7 +198,6 @@ impl Process { } pub fn try_wait(&mut self) -> io::Result<Option<ExitStatus>> { - use crate::default::Default; use crate::sys::process::zircon::*; let mut proc_info: zx_info_process_t = Default::default(); diff --git a/library/std/src/sys/windows/c/errors.rs b/library/std/src/sys/windows/c/errors.rs index 23dcc119db9..ad8da19b6da 100644 --- a/library/std/src/sys/windows/c/errors.rs +++ b/library/std/src/sys/windows/c/errors.rs @@ -12,7 +12,7 @@ pub const ERROR_RESOURCE_CALL_TIMED_OUT: DWORD = 5910; pub const FRS_ERR_SYSVOL_POPULATE_TIMEOUT: DWORD = 8014; pub const DNS_ERROR_RECORD_TIMED_OUT: DWORD = 9705; -// The followiung list was obtained from +// The following list was obtained from // `/usr/x86_64-w64-mingw32/include/winerror.h` // in the Debian package // mingw-w64_6.0.0-3_all.deb diff --git a/library/std/src/sys/windows/mod.rs b/library/std/src/sys/windows/mod.rs index 77359abe429..bcc172b0fae 100644 --- a/library/std/src/sys/windows/mod.rs +++ b/library/std/src/sys/windows/mod.rs @@ -68,10 +68,13 @@ pub fn decode_error_kind(errno: i32) -> ErrorKind { c::ERROR_ALREADY_EXISTS => return AlreadyExists, c::ERROR_FILE_EXISTS => return AlreadyExists, c::ERROR_BROKEN_PIPE => return BrokenPipe, - c::ERROR_FILE_NOT_FOUND => return NotFound, - c::ERROR_PATH_NOT_FOUND => return NotFound, + c::ERROR_FILE_NOT_FOUND + | c::ERROR_PATH_NOT_FOUND + | c::ERROR_INVALID_DRIVE + | c::ERROR_BAD_NETPATH + | c::ERROR_BAD_NET_NAME => return NotFound, c::ERROR_NO_DATA => return BrokenPipe, - c::ERROR_INVALID_NAME => return InvalidFilename, + c::ERROR_INVALID_NAME | c::ERROR_BAD_PATHNAME => return InvalidFilename, c::ERROR_INVALID_PARAMETER => return InvalidInput, c::ERROR_NOT_ENOUGH_MEMORY | c::ERROR_OUTOFMEMORY => return OutOfMemory, c::ERROR_SEM_TIMEOUT diff --git a/library/std/src/sys_common/net.rs b/library/std/src/sys_common/net.rs index eb427dbda23..cb24caa1e8a 100644 --- a/library/std/src/sys_common/net.rs +++ b/library/std/src/sys_common/net.rs @@ -2,7 +2,6 @@ mod tests; use crate::cmp; -use crate::convert::{TryFrom, TryInto}; use crate::fmt; use crate::io::{self, BorrowedCursor, ErrorKind, IoSlice, IoSliceMut}; use crate::mem; diff --git a/library/std/src/sys_common/thread_parking/id.rs b/library/std/src/sys_common/thread_parking/id.rs index 575988ec760..15042fc3bee 100644 --- a/library/std/src/sys_common/thread_parking/id.rs +++ b/library/std/src/sys_common/thread_parking/id.rs @@ -79,7 +79,7 @@ impl Parker { park_timeout(dur, self.state.as_ptr().addr()); // Swap to ensure that we observe all state changes with acquire // ordering, even if the state has been changed after the timeout - // occured. + // occurred. self.state.swap(EMPTY, Acquire); } } diff --git a/library/std/src/thread/mod.rs b/library/std/src/thread/mod.rs index b9aaf5f6e15..13b845b25c9 100644 --- a/library/std/src/thread/mod.rs +++ b/library/std/src/thread/mod.rs @@ -131,7 +131,8 @@ //! //! * Build the thread with [`Builder`] and pass the desired stack size to [`Builder::stack_size`]. //! * Set the `RUST_MIN_STACK` environment variable to an integer representing the desired stack -//! size (in bytes). Note that setting [`Builder::stack_size`] will override this. +//! size (in bytes). Note that setting [`Builder::stack_size`] will override this. Be aware that +//! changes to `RUST_MIN_STACK` may be ignored after program start. //! //! Note that the stack size of the main thread is *not* determined by Rust. //! diff --git a/library/test/src/lib.rs b/library/test/src/lib.rs index 88d8e5fe97a..e76d6716b94 100644 --- a/library/test/src/lib.rs +++ b/library/test/src/lib.rs @@ -17,7 +17,6 @@ #![unstable(feature = "test", issue = "50297")] #![doc(test(attr(deny(warnings))))] #![feature(internal_output_capture)] -#![feature(is_terminal)] #![feature(staged_api)] #![feature(process_exitcode_internals)] #![feature(panic_can_unwind)] @@ -220,14 +219,14 @@ pub fn assert_test_result<T: Termination>(result: T) -> Result<(), String> { struct FilteredTests { tests: Vec<(TestId, TestDescAndFn)>, - benchs: Vec<(TestId, TestDescAndFn)>, + benches: Vec<(TestId, TestDescAndFn)>, next_id: usize, } impl FilteredTests { fn add_bench(&mut self, desc: TestDesc, testfn: TestFn) { let test = TestDescAndFn { desc, testfn }; - self.benchs.push((TestId(self.next_id), test)); + self.benches.push((TestId(self.next_id), test)); self.next_id += 1; } fn add_test(&mut self, desc: TestDesc, testfn: TestFn) { @@ -246,7 +245,7 @@ impl FilteredTests { self.add_test(desc, testfn); } fn total_len(&self) -> usize { - self.tests.len() + self.benchs.len() + self.tests.len() + self.benches.len() } } @@ -291,7 +290,7 @@ where let tests_len = tests.len(); - let mut filtered = FilteredTests { tests: Vec::new(), benchs: Vec::new(), next_id: 0 }; + let mut filtered = FilteredTests { tests: Vec::new(), benches: Vec::new(), next_id: 0 }; for test in filter_tests(opts, tests) { let mut desc = test.desc; @@ -458,7 +457,7 @@ where if opts.bench_benchmarks { // All benchmarks run at the end, in serial. - for (id, b) in filtered.benchs { + for (id, b) in filtered.benches { let event = TestEvent::TeWait(b.desc.clone()); notify_about_test_event(event)?; let join_handle = run_test(opts, false, id, b, run_strategy, tx.clone()); diff --git a/src/bootstrap/Cargo.toml b/src/bootstrap/Cargo.toml index eeda6d7c121..7b9eaceb00f 100644 --- a/src/bootstrap/Cargo.toml +++ b/src/bootstrap/Cargo.toml @@ -69,13 +69,9 @@ version = "0.46.0" features = [ "Win32_Foundation", "Win32_Security", - "Win32_Storage_FileSystem", "Win32_System_Diagnostics_Debug", - "Win32_System_IO", - "Win32_System_Ioctl", "Win32_System_JobObjects", "Win32_System_ProcessStatus", - "Win32_System_SystemServices", "Win32_System_Threading", "Win32_System_Time", ] diff --git a/src/bootstrap/bolt.rs b/src/bootstrap/bolt.rs index 10e6d2e7d6d..5384181ea68 100644 --- a/src/bootstrap/bolt.rs +++ b/src/bootstrap/bolt.rs @@ -40,7 +40,7 @@ pub fn optimize_with_bolt(path: &Path, profile_path: &Path, output_path: &Path) // Reorder functions within the binary .arg("-reorder-functions=hfsort+") // Split function code into hot and code regions - .arg("-split-functions=2") + .arg("-split-functions") // Split as many basic blocks as possible .arg("-split-all-cold") // Move jump tables to a separate section diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index 025145244c4..0f3a9f96826 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -822,7 +822,8 @@ class RustBuild(object): if self.use_vendored_sources: vendor_dir = os.path.join(self.rust_root, 'vendor') if not os.path.exists(vendor_dir): - sync_dirs = "--sync ./src/tools/rust-analyzer/Cargo.toml " \ + sync_dirs = "--sync ./src/tools/cargo/Cargo.toml " \ + "--sync ./src/tools/rust-analyzer/Cargo.toml " \ "--sync ./compiler/rustc_codegen_cranelift/Cargo.toml " \ "--sync ./src/bootstrap/Cargo.toml " print('error: vendoring required, but vendor directory does not exist.') diff --git a/src/bootstrap/builder.rs b/src/bootstrap/builder.rs index ade8fa4c74d..4977ce22724 100644 --- a/src/bootstrap/builder.rs +++ b/src/bootstrap/builder.rs @@ -591,6 +591,7 @@ pub enum Kind { Install, Run, Setup, + Suggest, } impl Kind { @@ -610,6 +611,7 @@ impl Kind { "install" => Kind::Install, "run" | "r" => Kind::Run, "setup" => Kind::Setup, + "suggest" => Kind::Suggest, _ => return None, }) } @@ -629,6 +631,7 @@ impl Kind { Kind::Install => "install", Kind::Run => "run", Kind::Setup => "setup", + Kind::Suggest => "suggest", } } } @@ -709,6 +712,7 @@ impl<'a> Builder<'a> { test::CrateRustdoc, test::CrateRustdocJsonTypes, test::CrateJsonDocLint, + test::SuggestTestsCrate, test::Linkcheck, test::TierCheck, test::ReplacePlaceholderTest, @@ -827,7 +831,7 @@ impl<'a> Builder<'a> { Kind::Setup => describe!(setup::Profile, setup::Hook, setup::Link, setup::Vscode), Kind::Clean => describe!(clean::CleanAll, clean::Rustc, clean::Std), // special-cased in Build::build() - Kind::Format => vec![], + Kind::Format | Kind::Suggest => vec![], } } @@ -891,6 +895,7 @@ impl<'a> Builder<'a> { Subcommand::Run { ref paths, .. } => (Kind::Run, &paths[..]), Subcommand::Clean { ref paths, .. } => (Kind::Clean, &paths[..]), Subcommand::Format { .. } => (Kind::Format, &[][..]), + Subcommand::Suggest { .. } => (Kind::Suggest, &[][..]), Subcommand::Setup { profile: ref path } => ( Kind::Setup, path.as_ref().map_or([].as_slice(), |path| std::slice::from_ref(path)), @@ -900,6 +905,21 @@ impl<'a> Builder<'a> { Self::new_internal(build, kind, paths.to_owned()) } + /// Creates a new standalone builder for use outside of the normal process + pub fn new_standalone( + build: &mut Build, + kind: Kind, + paths: Vec<PathBuf>, + stage: Option<u32>, + ) -> Builder<'_> { + // FIXME: don't mutate `build` + if let Some(stage) = stage { + build.config.stage = stage; + } + + Self::new_internal(build, kind, paths.to_owned()) + } + pub fn execute_cli(&self) { self.run_step_descriptions(&Builder::get_step_descriptions(self.kind), &self.paths); } @@ -2010,7 +2030,7 @@ impl<'a> Builder<'a> { } #[cfg(feature = "build-metrics")] - self.metrics.enter_step(&step); + self.metrics.enter_step(&step, self); let (out, dur) = { let start = Instant::now(); @@ -2036,7 +2056,7 @@ impl<'a> Builder<'a> { } #[cfg(feature = "build-metrics")] - self.metrics.exit_step(); + self.metrics.exit_step(self); { let mut stack = self.stack.borrow_mut(); diff --git a/src/bootstrap/cache.rs b/src/bootstrap/cache.rs index 05f25af68ea..5376c4ec9c3 100644 --- a/src/bootstrap/cache.rs +++ b/src/bootstrap/cache.rs @@ -1,9 +1,8 @@ use std::any::{Any, TypeId}; use std::borrow::Borrow; use std::cell::RefCell; -use std::cmp::{Ord, Ordering, PartialOrd}; +use std::cmp::Ordering; use std::collections::HashMap; -use std::convert::AsRef; use std::fmt; use std::hash::{Hash, Hasher}; use std::marker::PhantomData; diff --git a/src/bootstrap/check.rs b/src/bootstrap/check.rs index f9387a0fc80..fcaa698317d 100644 --- a/src/bootstrap/check.rs +++ b/src/bootstrap/check.rs @@ -237,7 +237,7 @@ impl Step for Rustc { target, cargo_subcommand(builder.kind), ); - rustc_cargo(builder, &mut cargo, target); + rustc_cargo(builder, &mut cargo, target, compiler.stage); // For ./x.py clippy, don't run with --all-targets because // linting tests and benchmarks can produce very noisy results @@ -323,7 +323,7 @@ impl Step for CodegenBackend { cargo .arg("--manifest-path") .arg(builder.src.join(format!("compiler/rustc_codegen_{}/Cargo.toml", backend))); - rustc_cargo_env(builder, &mut cargo, target); + rustc_cargo_env(builder, &mut cargo, target, compiler.stage); let msg = if compiler.host == target { format!("Checking stage{} {} artifacts ({target})", builder.top_stage, backend) diff --git a/src/bootstrap/compile.rs b/src/bootstrap/compile.rs index 85d1c12cc6a..4a4e7adcbf3 100644 --- a/src/bootstrap/compile.rs +++ b/src/bootstrap/compile.rs @@ -696,7 +696,7 @@ impl Step for Rustc { )); let mut cargo = builder.cargo(compiler, Mode::Rustc, SourceType::InTree, target, "build"); - rustc_cargo(builder, &mut cargo, target); + rustc_cargo(builder, &mut cargo, target, compiler.stage); if builder.config.rust_profile_use.is_some() && builder.config.rust_profile_generate.is_some() @@ -813,16 +813,21 @@ impl Step for Rustc { } } -pub fn rustc_cargo(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetSelection) { +pub fn rustc_cargo(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetSelection, stage: u32) { cargo .arg("--features") .arg(builder.rustc_features(builder.kind)) .arg("--manifest-path") .arg(builder.src.join("compiler/rustc/Cargo.toml")); - rustc_cargo_env(builder, cargo, target); + rustc_cargo_env(builder, cargo, target, stage); } -pub fn rustc_cargo_env(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetSelection) { +pub fn rustc_cargo_env( + builder: &Builder<'_>, + cargo: &mut Cargo, + target: TargetSelection, + stage: u32, +) { // Set some configuration variables picked up by build scripts and // the compiler alike cargo @@ -867,83 +872,86 @@ pub fn rustc_cargo_env(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetS cargo.env("RUSTC_VERIFY_LLVM_IR", "1"); } - // Pass down configuration from the LLVM build into the build of - // rustc_llvm and rustc_codegen_llvm. - // // Note that this is disabled if LLVM itself is disabled or we're in a check // build. If we are in a check build we still go ahead here presuming we've // detected that LLVM is already built and good to go which helps prevent // busting caches (e.g. like #71152). - if builder.config.llvm_enabled() - && (builder.kind != Kind::Check - || crate::llvm::prebuilt_llvm_config(builder, target).is_ok()) - { - if builder.is_rust_llvm(target) { - cargo.env("LLVM_RUSTLLVM", "1"); - } - let llvm::LlvmResult { llvm_config, .. } = builder.ensure(llvm::Llvm { target }); - cargo.env("LLVM_CONFIG", &llvm_config); - if let Some(s) = target_config.and_then(|c| c.llvm_config.as_ref()) { - cargo.env("CFG_LLVM_ROOT", s); + if builder.config.llvm_enabled() { + let building_is_expensive = crate::llvm::prebuilt_llvm_config(builder, target).is_err(); + // `top_stage == stage` might be false for `check --stage 1`, if we are building the stage 1 compiler + let can_skip_build = builder.kind == Kind::Check && builder.top_stage == stage; + let should_skip_build = building_is_expensive && can_skip_build; + if !should_skip_build { + rustc_llvm_env(builder, cargo, target) } + } +} - // Some LLVM linker flags (-L and -l) may be needed to link `rustc_llvm`. Its build script - // expects these to be passed via the `LLVM_LINKER_FLAGS` env variable, separated by - // whitespace. - // - // For example: - // - on windows, when `clang-cl` is used with instrumentation, we need to manually add - // clang's runtime library resource directory so that the profiler runtime library can be - // found. This is to avoid the linker errors about undefined references to - // `__llvm_profile_instrument_memop` when linking `rustc_driver`. - let mut llvm_linker_flags = String::new(); - if builder.config.llvm_profile_generate && target.contains("msvc") { - if let Some(ref clang_cl_path) = builder.config.llvm_clang_cl { - // Add clang's runtime library directory to the search path - let clang_rt_dir = get_clang_cl_resource_dir(clang_cl_path); - llvm_linker_flags.push_str(&format!("-L{}", clang_rt_dir.display())); - } - } +/// Pass down configuration from the LLVM build into the build of +/// rustc_llvm and rustc_codegen_llvm. +fn rustc_llvm_env(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetSelection) { + let target_config = builder.config.target_config.get(&target); - // The config can also specify its own llvm linker flags. - if let Some(ref s) = builder.config.llvm_ldflags { - if !llvm_linker_flags.is_empty() { - llvm_linker_flags.push_str(" "); - } - llvm_linker_flags.push_str(s); + if builder.is_rust_llvm(target) { + cargo.env("LLVM_RUSTLLVM", "1"); + } + let llvm::LlvmResult { llvm_config, .. } = builder.ensure(llvm::Llvm { target }); + cargo.env("LLVM_CONFIG", &llvm_config); + if let Some(s) = target_config.and_then(|c| c.llvm_config.as_ref()) { + cargo.env("CFG_LLVM_ROOT", s); + } + + // Some LLVM linker flags (-L and -l) may be needed to link `rustc_llvm`. Its build script + // expects these to be passed via the `LLVM_LINKER_FLAGS` env variable, separated by + // whitespace. + // + // For example: + // - on windows, when `clang-cl` is used with instrumentation, we need to manually add + // clang's runtime library resource directory so that the profiler runtime library can be + // found. This is to avoid the linker errors about undefined references to + // `__llvm_profile_instrument_memop` when linking `rustc_driver`. + let mut llvm_linker_flags = String::new(); + if builder.config.llvm_profile_generate && target.contains("msvc") { + if let Some(ref clang_cl_path) = builder.config.llvm_clang_cl { + // Add clang's runtime library directory to the search path + let clang_rt_dir = get_clang_cl_resource_dir(clang_cl_path); + llvm_linker_flags.push_str(&format!("-L{}", clang_rt_dir.display())); } + } - // Set the linker flags via the env var that `rustc_llvm`'s build script will read. + // The config can also specify its own llvm linker flags. + if let Some(ref s) = builder.config.llvm_ldflags { if !llvm_linker_flags.is_empty() { - cargo.env("LLVM_LINKER_FLAGS", llvm_linker_flags); + llvm_linker_flags.push_str(" "); } + llvm_linker_flags.push_str(s); + } - // Building with a static libstdc++ is only supported on linux right now, - // not for MSVC or macOS - if builder.config.llvm_static_stdcpp - && !target.contains("freebsd") - && !target.contains("msvc") - && !target.contains("apple") - && !target.contains("solaris") - { - let file = compiler_file( - builder, - builder.cxx(target).unwrap(), - target, - CLang::Cxx, - "libstdc++.a", - ); - cargo.env("LLVM_STATIC_STDCPP", file); - } - if builder.llvm_link_shared() { - cargo.env("LLVM_LINK_SHARED", "1"); - } - if builder.config.llvm_use_libcxx { - cargo.env("LLVM_USE_LIBCXX", "1"); - } - if builder.config.llvm_optimize && !builder.config.llvm_release_debuginfo { - cargo.env("LLVM_NDEBUG", "1"); - } + // Set the linker flags via the env var that `rustc_llvm`'s build script will read. + if !llvm_linker_flags.is_empty() { + cargo.env("LLVM_LINKER_FLAGS", llvm_linker_flags); + } + + // Building with a static libstdc++ is only supported on linux right now, + // not for MSVC or macOS + if builder.config.llvm_static_stdcpp + && !target.contains("freebsd") + && !target.contains("msvc") + && !target.contains("apple") + && !target.contains("solaris") + { + let file = + compiler_file(builder, builder.cxx(target).unwrap(), target, CLang::Cxx, "libstdc++.a"); + cargo.env("LLVM_STATIC_STDCPP", file); + } + if builder.llvm_link_shared() { + cargo.env("LLVM_LINK_SHARED", "1"); + } + if builder.config.llvm_use_libcxx { + cargo.env("LLVM_USE_LIBCXX", "1"); + } + if builder.config.llvm_optimize && !builder.config.llvm_release_debuginfo { + cargo.env("LLVM_NDEBUG", "1"); } } @@ -1090,7 +1098,7 @@ impl Step for CodegenBackend { cargo .arg("--manifest-path") .arg(builder.src.join(format!("compiler/rustc_codegen_{}/Cargo.toml", backend))); - rustc_cargo_env(builder, &mut cargo, target); + rustc_cargo_env(builder, &mut cargo, target, compiler.stage); let tmp_stamp = out_dir.join(".tmp.stamp"); @@ -1273,9 +1281,7 @@ impl Step for Sysroot { } // Copy the compiler into the correct sysroot. - let ci_rustc_dir = - builder.config.out.join(&*builder.config.build.triple).join("ci-rustc"); - builder.cp_r(&ci_rustc_dir, &sysroot); + builder.cp_r(&builder.ci_rustc_dir(builder.build.build), &sysroot); return INTERNER.intern_path(sysroot); } @@ -1377,7 +1383,10 @@ impl Step for Assemble { // If we're downloading a compiler from CI, we can use the same compiler for all stages other than 0. if builder.download_rustc() { - builder.ensure(Sysroot { compiler: target_compiler }); + let sysroot = builder.ensure(Sysroot { compiler: target_compiler }); + // Ensure that `libLLVM.so` ends up in the newly created target directory, + // so that tools using `rustc_private` can use it. + dist::maybe_install_llvm_target(builder, target_compiler.host, &sysroot); return target_compiler; } diff --git a/src/bootstrap/config.rs b/src/bootstrap/config.rs index dd65dc91c0c..ca6dcaf4957 100644 --- a/src/bootstrap/config.rs +++ b/src/bootstrap/config.rs @@ -56,8 +56,7 @@ pub enum DryRun { /// filled out from the decoded forms of the structs below. For documentation /// each field, see the corresponding fields in /// `config.example.toml`. -#[derive(Default)] -#[cfg_attr(test, derive(Clone))] +#[derive(Default, Clone)] pub struct Config { pub changelog_seen: Option<usize>, pub ccache: Option<String>, @@ -240,23 +239,20 @@ pub struct Config { pub initial_rustfmt: RefCell<RustfmtState>, } -#[derive(Default, Deserialize)] -#[cfg_attr(test, derive(Clone))] +#[derive(Default, Deserialize, Clone)] pub struct Stage0Metadata { pub compiler: CompilerMetadata, pub config: Stage0Config, pub checksums_sha256: HashMap<String, String>, pub rustfmt: Option<RustfmtMetadata>, } -#[derive(Default, Deserialize)] -#[cfg_attr(test, derive(Clone))] +#[derive(Default, Deserialize, Clone)] pub struct CompilerMetadata { pub date: String, pub version: String, } -#[derive(Default, Deserialize)] -#[cfg_attr(test, derive(Clone))] +#[derive(Default, Deserialize, Clone)] pub struct Stage0Config { pub dist_server: String, pub artifacts_server: String, @@ -264,8 +260,7 @@ pub struct Stage0Config { pub git_merge_commit_email: String, pub nightly_branch: String, } -#[derive(Default, Deserialize)] -#[cfg_attr(test, derive(Clone))] +#[derive(Default, Deserialize, Clone)] pub struct RustfmtMetadata { pub date: String, pub version: String, @@ -443,8 +438,7 @@ impl PartialEq<&str> for TargetSelection { } /// Per-target configuration stored in the global configuration structure. -#[derive(Default)] -#[cfg_attr(test, derive(Clone))] +#[derive(Default, Clone)] pub struct Target { /// Some(path to llvm-config) if using an external LLVM. pub llvm_config: Option<PathBuf>, @@ -1015,7 +1009,9 @@ impl Config { }); config.initial_cargo = build .cargo - .map(PathBuf::from) + .map(|cargo| { + t!(PathBuf::from(cargo).canonicalize(), "`initial_cargo` not found on disk") + }) .unwrap_or_else(|| config.out.join(config.build.triple).join("stage0/bin/cargo")); // NOTE: it's important this comes *after* we set `initial_rustc` just above. @@ -1396,7 +1392,8 @@ impl Config { | Subcommand::Fix { .. } | Subcommand::Run { .. } | Subcommand::Setup { .. } - | Subcommand::Format { .. } => flags.stage.unwrap_or(0), + | Subcommand::Format { .. } + | Subcommand::Suggest { .. } => flags.stage.unwrap_or(0), }; // CI should always run stage 2 builds, unless it specifically states otherwise @@ -1421,7 +1418,8 @@ impl Config { | Subcommand::Fix { .. } | Subcommand::Run { .. } | Subcommand::Setup { .. } - | Subcommand::Format { .. } => {} + | Subcommand::Format { .. } + | Subcommand::Suggest { .. } => {} } } diff --git a/src/bootstrap/dist.rs b/src/bootstrap/dist.rs index 8ce220c8647..372d0708c5b 100644 --- a/src/bootstrap/dist.rs +++ b/src/bootstrap/dist.rs @@ -895,6 +895,8 @@ impl Step for Src { /// Creates the `rust-src` installer component fn run(self, builder: &Builder<'_>) -> GeneratedTarball { + builder.update_submodule(&Path::new("src/llvm-project")); + let tarball = Tarball::new_targetless(builder, "rust-src"); // A lot of tools expect the rust-src component to be entirely in this directory, so if you @@ -994,12 +996,15 @@ impl Step for PlainSourceTarball { // If we're building from git sources, we need to vendor a complete distribution. if builder.rust_info().is_managed_git_subrepository() { // Ensure we have the submodules checked out. + builder.update_submodule(Path::new("src/tools/cargo")); builder.update_submodule(Path::new("src/tools/rust-analyzer")); // Vendor all Cargo dependencies let mut cmd = Command::new(&builder.initial_cargo); cmd.arg("vendor") .arg("--sync") + .arg(builder.src.join("./src/tools/cargo/Cargo.toml")) + .arg("--sync") .arg(builder.src.join("./src/tools/rust-analyzer/Cargo.toml")) .arg("--sync") .arg(builder.src.join("./compiler/rustc_codegen_cranelift/Cargo.toml")) @@ -1960,6 +1965,20 @@ fn maybe_install_llvm(builder: &Builder<'_>, target: TargetSelection, dst_libdir } } + // FIXME: for reasons I don't understand, the LLVM so in the `rustc` component is different than the one in `rust-dev`. + // Only the one in `rustc` works with the downloaded compiler. + if builder.download_rustc() && target == builder.build.build { + let src_libdir = builder.ci_rustc_dir(target).join("lib"); + for entry in t!(std::fs::read_dir(&src_libdir)) { + let entry = t!(entry); + if entry.file_name().to_str().unwrap().starts_with("libLLVM-") { + install_llvm_file(builder, &entry.path(), dst_libdir); + return !builder.config.dry_run(); + } + } + panic!("libLLVM.so not found in src_libdir {}!", src_libdir.display()); + } + // On macOS, rustc (and LLVM tools) link to an unversioned libLLVM.dylib // instead of libLLVM-11-rust-....dylib, as on linux. It's not entirely // clear why this is the case, though. llvm-config will emit the versioned diff --git a/src/bootstrap/doc.rs b/src/bootstrap/doc.rs index be43affa404..9ad98eb5702 100644 --- a/src/bootstrap/doc.rs +++ b/src/bootstrap/doc.rs @@ -696,7 +696,7 @@ impl Step for Rustc { cargo.rustdocflag("-Znormalize-docs"); cargo.rustdocflag("--show-type-layout"); cargo.rustdocflag("--generate-link-to-definition"); - compile::rustc_cargo(builder, &mut cargo, target); + compile::rustc_cargo(builder, &mut cargo, target, compiler.stage); cargo.arg("-Zunstable-options"); cargo.arg("-Zskip-rustdoc-fingerprint"); diff --git a/src/bootstrap/flags.rs b/src/bootstrap/flags.rs index 2b0b772a618..b6f5f310398 100644 --- a/src/bootstrap/flags.rs +++ b/src/bootstrap/flags.rs @@ -84,8 +84,7 @@ pub struct Flags { pub free_args: Option<Vec<String>>, } -#[derive(Debug)] -#[cfg_attr(test, derive(Clone))] +#[derive(Debug, Clone)] pub enum Subcommand { Build { paths: Vec<PathBuf>, @@ -149,6 +148,9 @@ pub enum Subcommand { Setup { profile: Option<PathBuf>, }, + Suggest { + run: bool, + }, } impl Default for Subcommand { @@ -183,6 +185,7 @@ Subcommands: install Install distribution artifacts run, r Run tools contained in this repository setup Create a config.toml (making it easier to use `x.py` itself) + suggest Suggest a subset of tests to run, based on modified files To learn more about a subcommand, run `./x.py <subcommand> -h`", ); @@ -349,6 +352,9 @@ To learn more about a subcommand, run `./x.py <subcommand> -h`", Kind::Run => { opts.optmulti("", "args", "arguments for the tool", "ARGS"); } + Kind::Suggest => { + opts.optflag("", "run", "run suggested tests"); + } _ => {} }; @@ -565,7 +571,7 @@ Arguments: Profile::all_for_help(" ").trim_end() )); } - Kind::Bench | Kind::Clean | Kind::Dist | Kind::Install => {} + Kind::Bench | Kind::Clean | Kind::Dist | Kind::Install | Kind::Suggest => {} }; // Get any optional paths which occur after the subcommand let mut paths = matches.free[1..].iter().map(|p| p.into()).collect::<Vec<PathBuf>>(); @@ -626,6 +632,7 @@ Arguments: Kind::Format => Subcommand::Format { check: matches.opt_present("check"), paths }, Kind::Dist => Subcommand::Dist { paths }, Kind::Install => Subcommand::Install { paths }, + Kind::Suggest => Subcommand::Suggest { run: matches.opt_present("run") }, Kind::Run => { if paths.is_empty() { println!("\nrun requires at least a path!\n"); @@ -734,6 +741,7 @@ impl Subcommand { Subcommand::Install { .. } => Kind::Install, Subcommand::Run { .. } => Kind::Run, Subcommand::Setup { .. } => Kind::Setup, + Subcommand::Suggest { .. } => Kind::Suggest, } } diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs index eaa3afa4b7b..bfdb029951f 100644 --- a/src/bootstrap/lib.rs +++ b/src/bootstrap/lib.rs @@ -58,6 +58,7 @@ mod render_tests; mod run; mod sanity; mod setup; +mod suggest; mod tarball; mod test; mod tool; @@ -190,6 +191,7 @@ pub enum GitRepo { /// although most functions are implemented as free functions rather than /// methods specifically on this structure itself (to make it easier to /// organize). +#[cfg_attr(not(feature = "build-metrics"), derive(Clone))] pub struct Build { /// User-specified configuration from `config.toml`. config: Config, @@ -236,14 +238,12 @@ pub struct Build { ci_env: CiEnv, delayed_failures: RefCell<Vec<String>>, prerelease_version: Cell<Option<u32>>, - tool_artifacts: - RefCell<HashMap<TargetSelection, HashMap<String, (&'static str, PathBuf, Vec<String>)>>>, #[cfg(feature = "build-metrics")] metrics: metrics::BuildMetrics, } -#[derive(Debug)] +#[derive(Debug, Clone)] struct Crate { name: Interned<String>, deps: HashSet<Interned<String>>, @@ -456,7 +456,6 @@ impl Build { ci_env: CiEnv::current(), delayed_failures: RefCell::new(Vec::new()), prerelease_version: Cell::new(None), - tool_artifacts: Default::default(), #[cfg(feature = "build-metrics")] metrics: metrics::BuildMetrics::init(), @@ -657,13 +656,20 @@ impl Build { job::setup(self); } - if let Subcommand::Format { check, paths } = &self.config.cmd { - return format::format(&builder::Builder::new(&self), *check, &paths); - } - // Download rustfmt early so that it can be used in rust-analyzer configs. let _ = &builder::Builder::new(&self).initial_rustfmt(); + // hardcoded subcommands + match &self.config.cmd { + Subcommand::Format { check, paths } => { + return format::format(&builder::Builder::new(&self), *check, &paths); + } + Subcommand::Suggest { run } => { + return suggest::suggest(&builder::Builder::new(&self), *run); + } + _ => (), + } + { let builder = builder::Builder::new(&self); if let Some(path) = builder.paths.get(0) { @@ -805,6 +811,11 @@ impl Build { self.stage_out(compiler, mode).join(&*target.triple).join(self.cargo_dir()) } + /// Directory where the extracted `rustc-dev` component is stored. + fn ci_rustc_dir(&self, target: TargetSelection) -> PathBuf { + self.out.join(&*target.triple).join("ci-rustc") + } + /// Root output directory for LLVM compiled for `target` /// /// Note that if LLVM is configured externally then the directory returned diff --git a/src/bootstrap/llvm.rs b/src/bootstrap/llvm.rs index d123deec354..a893c3a47c9 100644 --- a/src/bootstrap/llvm.rs +++ b/src/bootstrap/llvm.rs @@ -1087,6 +1087,8 @@ impl Step for CrtBeginEnd { /// Build crtbegin.o/crtend.o for musl target. fn run(self, builder: &Builder<'_>) -> Self::Output { + builder.update_submodule(&Path::new("src/llvm-project")); + let out_dir = builder.native_dir(self.target).join("crt"); if builder.config.dry_run() { @@ -1153,6 +1155,8 @@ impl Step for Libunwind { /// Build linunwind.a fn run(self, builder: &Builder<'_>) -> Self::Output { + builder.update_submodule(&Path::new("src/llvm-project")); + if builder.config.dry_run() { return PathBuf::new(); } diff --git a/src/bootstrap/metadata.rs b/src/bootstrap/metadata.rs index bba4d65e8c3..597aefadcfe 100644 --- a/src/bootstrap/metadata.rs +++ b/src/bootstrap/metadata.rs @@ -7,12 +7,16 @@ use crate::cache::INTERNER; use crate::util::output; use crate::{Build, Crate}; -#[derive(Deserialize)] +/// For more information, see the output of +/// <https://doc.rust-lang.org/nightly/cargo/commands/cargo-metadata.html> +#[derive(Debug, Deserialize)] struct Output { packages: Vec<Package>, } -#[derive(Deserialize)] +/// For more information, see the output of +/// <https://doc.rust-lang.org/nightly/cargo/commands/cargo-metadata.html> +#[derive(Debug, Deserialize)] struct Package { name: String, source: Option<String>, @@ -20,25 +24,18 @@ struct Package { dependencies: Vec<Dependency>, } -#[derive(Deserialize)] +/// For more information, see the output of +/// <https://doc.rust-lang.org/nightly/cargo/commands/cargo-metadata.html> +#[derive(Debug, Deserialize)] struct Dependency { name: String, source: Option<String>, } +/// Collects and stores package metadata of each workspace members into `build`, +/// by executing `cargo metadata` commands. pub fn build(build: &mut Build) { - // Run `cargo metadata` to figure out what crates we're testing. - let mut cargo = Command::new(&build.initial_cargo); - cargo - .arg("metadata") - .arg("--format-version") - .arg("1") - .arg("--no-deps") - .arg("--manifest-path") - .arg(build.src.join("Cargo.toml")); - let output = output(&mut cargo); - let output: Output = serde_json::from_str(&output).unwrap(); - for package in output.packages { + for package in workspace_members(build) { if package.source.is_none() { let name = INTERNER.intern_string(package.name); let mut path = PathBuf::from(package.manifest_path); @@ -57,3 +54,35 @@ pub fn build(build: &mut Build) { } } } + +/// Invokes `cargo metadata` to get package metadata of each workspace member. +/// +/// Note that `src/tools/cargo` is no longer a workspace member but we still +/// treat it as one here, by invoking an additional `cargo metadata` command. +fn workspace_members(build: &Build) -> impl Iterator<Item = Package> { + let cmd_metadata = |manifest_path| { + let mut cargo = Command::new(&build.initial_cargo); + cargo + .arg("metadata") + .arg("--format-version") + .arg("1") + .arg("--no-deps") + .arg("--manifest-path") + .arg(manifest_path); + cargo + }; + + // Collects `metadata.packages` from the root workspace. + let root_manifest_path = build.src.join("Cargo.toml"); + let root_output = output(&mut cmd_metadata(&root_manifest_path)); + let Output { packages, .. } = serde_json::from_str(&root_output).unwrap(); + + // Collects `metadata.packages` from src/tools/cargo separately. + let cargo_manifest_path = build.src.join("src/tools/cargo/Cargo.toml"); + let cargo_output = output(&mut cmd_metadata(&cargo_manifest_path)); + let Output { packages: cargo_packages, .. } = serde_json::from_str(&cargo_output).unwrap(); + + // We only care about the root package from `src/tool/cargo` workspace. + let cargo_package = cargo_packages.into_iter().find(|pkg| pkg.name == "cargo").into_iter(); + packages.into_iter().chain(cargo_package) +} diff --git a/src/bootstrap/metrics.rs b/src/bootstrap/metrics.rs index 82b123ec8a5..e19d56ccd6a 100644 --- a/src/bootstrap/metrics.rs +++ b/src/bootstrap/metrics.rs @@ -4,7 +4,7 @@ //! As this module requires additional dependencies not present during local builds, it's cfg'd //! away whenever the `build.metrics` config option is not set to `true`. -use crate::builder::Step; +use crate::builder::{Builder, Step}; use crate::util::t; use crate::Build; use serde_derive::{Deserialize, Serialize}; @@ -33,7 +33,12 @@ impl BuildMetrics { BuildMetrics { state } } - pub(crate) fn enter_step<S: Step>(&self, step: &S) { + pub(crate) fn enter_step<S: Step>(&self, step: &S, builder: &Builder<'_>) { + // Do not record dry runs, as they'd be duplicates of the actual steps. + if builder.config.dry_run() { + return; + } + let mut state = self.state.borrow_mut(); // Consider all the stats gathered so far as the parent's. @@ -56,7 +61,12 @@ impl BuildMetrics { }); } - pub(crate) fn exit_step(&self) { + pub(crate) fn exit_step(&self, builder: &Builder<'_>) { + // Do not record dry runs, as they'd be duplicates of the actual steps. + if builder.config.dry_run() { + return; + } + let mut state = self.state.borrow_mut(); self.collect_stats(&mut *state); @@ -74,7 +84,12 @@ impl BuildMetrics { } } - pub(crate) fn record_test(&self, name: &str, outcome: TestOutcome) { + pub(crate) fn record_test(&self, name: &str, outcome: TestOutcome, builder: &Builder<'_>) { + // Do not record dry runs, as they'd be duplicates of the actual steps. + if builder.config.dry_run() { + return; + } + let mut state = self.state.borrow_mut(); state .running_steps diff --git a/src/bootstrap/render_tests.rs b/src/bootstrap/render_tests.rs index 19019ad2c08..a56db9cccfe 100644 --- a/src/bootstrap/render_tests.rs +++ b/src/bootstrap/render_tests.rs @@ -124,6 +124,7 @@ impl<'a> Renderer<'a> { ignore_reason: reason.map(|s| s.to_string()), }, }, + self.builder, ); if self.builder.config.verbose_tests { diff --git a/src/bootstrap/suggest.rs b/src/bootstrap/suggest.rs new file mode 100644 index 00000000000..ff20ebec267 --- /dev/null +++ b/src/bootstrap/suggest.rs @@ -0,0 +1,80 @@ +#![cfg_attr(feature = "build-metrics", allow(unused))] + +use std::str::FromStr; + +use std::path::PathBuf; + +use crate::{ + builder::{Builder, Kind}, + tool::Tool, +}; + +#[cfg(feature = "build-metrics")] +pub fn suggest(builder: &Builder<'_>, run: bool) { + panic!("`x suggest` is not supported with `build-metrics`") +} + +/// Suggests a list of possible `x.py` commands to run based on modified files in branch. +#[cfg(not(feature = "build-metrics"))] +pub fn suggest(builder: &Builder<'_>, run: bool) { + let suggestions = + builder.tool_cmd(Tool::SuggestTests).output().expect("failed to run `suggest-tests` tool"); + + if !suggestions.status.success() { + println!("failed to run `suggest-tests` tool ({})", suggestions.status); + println!( + "`suggest_tests` stdout:\n{}`suggest_tests` stderr:\n{}", + String::from_utf8(suggestions.stdout).unwrap(), + String::from_utf8(suggestions.stderr).unwrap() + ); + panic!("failed to run `suggest-tests`"); + } + + let suggestions = String::from_utf8(suggestions.stdout).unwrap(); + let suggestions = suggestions + .lines() + .map(|line| { + let mut sections = line.split_ascii_whitespace(); + + // this code expects one suggestion per line in the following format: + // <x_subcommand> {some number of flags} [optional stage number] + let cmd = sections.next().unwrap(); + let stage = sections.next_back().map(|s| str::parse(s).ok()).flatten(); + let paths: Vec<PathBuf> = sections.map(|p| PathBuf::from_str(p).unwrap()).collect(); + + (cmd, stage, paths) + }) + .collect::<Vec<_>>(); + + if !suggestions.is_empty() { + println!("==== SUGGESTIONS ===="); + for sug in &suggestions { + print!("x {} ", sug.0); + if let Some(stage) = sug.1 { + print!("--stage {stage} "); + } + + for path in &sug.2 { + print!("{} ", path.display()); + } + println!(); + } + println!("====================="); + } else { + println!("No suggestions found!"); + return; + } + + if run { + for sug in suggestions { + let mut build = builder.build.clone(); + + let builder = + Builder::new_standalone(&mut build, Kind::parse(&sug.0).unwrap(), sug.2, sug.1); + + builder.execute_cli() + } + } else { + println!("help: consider using the `--run` flag to automatically run suggested tests"); + } +} diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs index e4e4f938528..3814dc63ed4 100644 --- a/src/bootstrap/test.rs +++ b/src/bootstrap/test.rs @@ -129,6 +129,42 @@ impl Step for CrateJsonDocLint { } #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] +pub struct SuggestTestsCrate { + host: TargetSelection, +} + +impl Step for SuggestTestsCrate { + type Output = (); + const ONLY_HOSTS: bool = true; + const DEFAULT: bool = true; + + fn should_run(run: ShouldRun<'_>) -> ShouldRun<'_> { + run.path("src/tools/suggest-tests") + } + + fn make_run(run: RunConfig<'_>) { + run.builder.ensure(SuggestTestsCrate { host: run.target }); + } + + fn run(self, builder: &Builder<'_>) { + let bootstrap_host = builder.config.build; + let compiler = builder.compiler(0, bootstrap_host); + + let suggest_tests = tool::prepare_tool_cargo( + builder, + compiler, + Mode::ToolBootstrap, + bootstrap_host, + "test", + "src/tools/suggest-tests", + SourceType::InTree, + &[], + ); + add_flags_and_try_run_tests(builder, &mut suggest_tests.into()); + } +} + +#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] pub struct Linkcheck { host: TargetSelection, } @@ -638,7 +674,10 @@ impl Step for Miri { // Forward test filters. cargo.arg("--").args(builder.config.cmd.test_args()); - add_flags_and_try_run_tests(builder, &mut cargo.into()); + // This can NOT be `add_flags_and_try_run_tests` since the Miri test runner + // does not understand those flags! + let mut cargo = Command::from(cargo); + builder.run(&mut cargo); // # Run `cargo miri test`. // This is just a smoke test (Miri's own CI invokes this in a bunch of different ways and ensures @@ -1765,6 +1804,10 @@ note: if you're sure you want to do this, please open an issue as to why. In the cmd.arg("--channel").arg(&builder.config.channel); + if !builder.config.omit_git_hash { + cmd.arg("--git-hash"); + } + if let Some(commit) = builder.config.download_rustc_commit() { cmd.env("FAKE_DOWNLOAD_RUSTC_PREFIX", format!("/rustc/{commit}")); } @@ -2148,7 +2191,7 @@ impl Step for Crate { compile::std_cargo(builder, target, compiler.stage, &mut cargo); } Mode::Rustc => { - compile::rustc_cargo(builder, &mut cargo, target); + compile::rustc_cargo(builder, &mut cargo, target, compiler.stage); } _ => panic!("can only test libraries"), }; diff --git a/src/bootstrap/tool.rs b/src/bootstrap/tool.rs index 6a687a7903e..79fab00efe7 100644 --- a/src/bootstrap/tool.rs +++ b/src/bootstrap/tool.rs @@ -1,4 +1,3 @@ -use std::collections::HashSet; use std::env; use std::fs; use std::path::PathBuf; @@ -120,135 +119,9 @@ impl Step for ToolBuild { &self.target, ); builder.info(&msg); - let mut duplicates = Vec::new(); - let is_expected = compile::stream_cargo(builder, cargo, vec![], &mut |msg| { - // Only care about big things like the RLS/Cargo for now - match tool { - "rls" | "cargo" | "clippy-driver" | "miri" | "rustfmt" => {} - _ => return, - } - let (id, features, filenames) = match msg { - compile::CargoMessage::CompilerArtifact { - package_id, - features, - filenames, - target: _, - } => (package_id, features, filenames), - _ => return, - }; - let features = features.iter().map(|s| s.to_string()).collect::<Vec<_>>(); - - for path in filenames { - let val = (tool, PathBuf::from(&*path), features.clone()); - // we're only interested in deduplicating rlibs for now - if val.1.extension().and_then(|s| s.to_str()) != Some("rlib") { - continue; - } - - // Don't worry about compiles that turn out to be host - // dependencies or build scripts. To skip these we look for - // anything that goes in `.../release/deps` but *doesn't* go in - // `$target/release/deps`. This ensure that outputs in - // `$target/release` are still considered candidates for - // deduplication. - if let Some(parent) = val.1.parent() { - if parent.ends_with("release/deps") { - let maybe_target = parent - .parent() - .and_then(|p| p.parent()) - .and_then(|p| p.file_name()) - .and_then(|p| p.to_str()) - .unwrap(); - if maybe_target != &*target.triple { - continue; - } - } - } - - // Record that we've built an artifact for `id`, and if one was - // already listed then we need to see if we reused the same - // artifact or produced a duplicate. - let mut artifacts = builder.tool_artifacts.borrow_mut(); - let prev_artifacts = artifacts.entry(target).or_default(); - let prev = match prev_artifacts.get(&*id) { - Some(prev) => prev, - None => { - prev_artifacts.insert(id.to_string(), val); - continue; - } - }; - if prev.1 == val.1 { - return; // same path, same artifact - } - - // If the paths are different and one of them *isn't* inside of - // `release/deps`, then it means it's probably in - // `$target/release`, or it's some final artifact like - // `libcargo.rlib`. In these situations Cargo probably just - // copied it up from `$target/release/deps/libcargo-xxxx.rlib`, - // so if the features are equal we can just skip it. - let prev_no_hash = prev.1.parent().unwrap().ends_with("release/deps"); - let val_no_hash = val.1.parent().unwrap().ends_with("release/deps"); - if prev.2 == val.2 || !prev_no_hash || !val_no_hash { - return; - } - - // ... and otherwise this looks like we duplicated some sort of - // compilation, so record it to generate an error later. - duplicates.push((id.to_string(), val, prev.clone())); - } - }); - - if is_expected && !duplicates.is_empty() { - eprintln!( - "duplicate artifacts found when compiling a tool, this \ - typically means that something was recompiled because \ - a transitive dependency has different features activated \ - than in a previous build:\n" - ); - let (same, different): (Vec<_>, Vec<_>) = - duplicates.into_iter().partition(|(_, cur, prev)| cur.2 == prev.2); - if !same.is_empty() { - eprintln!( - "the following dependencies are duplicated although they \ - have the same features enabled:" - ); - for (id, cur, prev) in same { - eprintln!(" {}", id); - // same features - eprintln!(" `{}` ({:?})\n `{}` ({:?})", cur.0, cur.1, prev.0, prev.1); - } - } - if !different.is_empty() { - eprintln!("the following dependencies have different features:"); - for (id, cur, prev) in different { - eprintln!(" {}", id); - let cur_features: HashSet<_> = cur.2.into_iter().collect(); - let prev_features: HashSet<_> = prev.2.into_iter().collect(); - eprintln!( - " `{}` additionally enabled features {:?} at {:?}", - cur.0, - &cur_features - &prev_features, - cur.1 - ); - eprintln!( - " `{}` additionally enabled features {:?} at {:?}", - prev.0, - &prev_features - &cur_features, - prev.1 - ); - } - } - eprintln!(); - eprintln!( - "to fix this you will probably want to edit the local \ - src/tools/rustc-workspace-hack/Cargo.toml crate, as \ - that will update the dependency graph to ensure that \ - these crates all share the same feature set" - ); - panic!("tools should not compile multiple copies of the same crate"); - } + let mut cargo = Command::from(cargo); + let is_expected = builder.try_run_quiet(&mut cargo); builder.save_toolstate( tool, @@ -299,7 +172,9 @@ pub fn prepare_tool_cargo( || path.ends_with("rustfmt") { cargo.env("LIBZ_SYS_STATIC", "1"); - features.push("rustc-workspace-hack/all-static".to_string()); + } + if path.ends_with("cargo") { + features.push("all-static".to_string()); } } @@ -319,6 +194,12 @@ pub fn prepare_tool_cargo( cargo.env("CFG_VERSION", builder.rust_version()); cargo.env("CFG_RELEASE_NUM", &builder.version); cargo.env("DOC_RUST_LANG_ORG_CHANNEL", builder.doc_rust_lang_org_channel()); + if let Some(ref ver_date) = builder.rust_info().commit_date() { + cargo.env("CFG_VER_DATE", ver_date); + } + if let Some(ref ver_hash) = builder.rust_info().sha() { + cargo.env("CFG_VER_HASH", ver_hash); + } let info = GitInfo::new(builder.config.omit_git_hash, &dir); if let Some(sha) = info.sha() { @@ -433,6 +314,7 @@ bootstrap_tool!( ReplaceVersionPlaceholder, "src/tools/replace-version-placeholder", "replace-version-placeholder"; CollectLicenseMetadata, "src/tools/collect-license-metadata", "collect-license-metadata"; GenerateCopyright, "src/tools/generate-copyright", "generate-copyright"; + SuggestTests, "src/tools/suggest-tests", "suggest-tests"; ); #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, Ord, PartialOrd)] diff --git a/src/ci/github-actions/ci.yml b/src/ci/github-actions/ci.yml index 403953b5047..dbf4be4be24 100644 --- a/src/ci/github-actions/ci.yml +++ b/src/ci/github-actions/ci.yml @@ -73,7 +73,11 @@ x--expand-yaml-anchors--remove: - &base-job env: {} - - &job-linux-xl + - &job-linux-8c + os: ubuntu-20.04-8core-32gb + <<: *base-job + + - &job-linux-16c os: ubuntu-20.04-16core-64gb <<: *base-job @@ -81,10 +85,14 @@ x--expand-yaml-anchors--remove: os: macos-12-xl <<: *base-job - - &job-windows-xl + - &job-windows-8c os: windows-2019-8core-32gb <<: *base-job + - &job-windows-16c + os: windows-2019-16core-64gb + <<: *base-job + - &job-aarch64-linux os: [self-hosted, ARM64, linux] @@ -293,19 +301,19 @@ jobs: matrix: include: - name: mingw-check - <<: *job-linux-xl + <<: *job-linux-16c tidy: false - name: mingw-check-tidy - <<: *job-linux-xl + <<: *job-linux-16c tidy: true - name: x86_64-gnu-llvm-14 - <<: *job-linux-xl + <<: *job-linux-16c tidy: false - name: x86_64-gnu-tools - <<: *job-linux-xl + <<: *job-linux-16c tidy: false auto: @@ -327,103 +335,103 @@ jobs: <<: *job-aarch64-linux - name: arm-android - <<: *job-linux-xl + <<: *job-linux-8c - name: armhf-gnu - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-aarch64-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-android - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-arm-linux - <<: *job-linux-xl + <<: *job-linux-16c - name: dist-armhf-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-armv7-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-i586-gnu-i586-i686-musl - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-i686-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-mips-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-mips64-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-mips64el-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-mipsel-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-powerpc-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-powerpc64-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-powerpc64le-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-riscv64-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-s390x-linux - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-various-1 - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-various-2 - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-x86_64-freebsd - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-x86_64-illumos - <<: *job-linux-xl + <<: *job-linux-8c - &dist-x86_64-linux name: dist-x86_64-linux - <<: *job-linux-xl + <<: *job-linux-16c - name: dist-x86_64-linux-alt env: IMAGE: dist-x86_64-linux - <<: *job-linux-xl + <<: *job-linux-16c - name: dist-x86_64-musl - <<: *job-linux-xl + <<: *job-linux-8c - name: dist-x86_64-netbsd - <<: *job-linux-xl + <<: *job-linux-8c - name: i686-gnu - <<: *job-linux-xl + <<: *job-linux-16c - name: i686-gnu-nopt - <<: *job-linux-xl + <<: *job-linux-16c - name: mingw-check - <<: *job-linux-xl + <<: *job-linux-8c - name: test-various - <<: *job-linux-xl + <<: *job-linux-8c - name: wasm32 - <<: *job-linux-xl + <<: *job-linux-8c - name: x86_64-gnu - <<: *job-linux-xl + <<: *job-linux-8c # This job ensures commits landing on nightly still pass the full # test suite on the stable channel. There are some UI tests that @@ -438,39 +446,39 @@ jobs: # could cause failures when `dev: 1` in `stage0.txt`, and running # this on stable is useless. CI_ONLY_WHEN_CHANNEL: nightly - <<: *job-linux-xl + <<: *job-linux-8c - name: x86_64-gnu-aux - <<: *job-linux-xl + <<: *job-linux-8c - name: x86_64-gnu-debug - <<: *job-linux-xl + <<: *job-linux-8c - name: x86_64-gnu-distcheck - <<: *job-linux-xl + <<: *job-linux-8c - name: x86_64-gnu-llvm-15 env: RUST_BACKTRACE: 1 - <<: *job-linux-xl + <<: *job-linux-8c - name: x86_64-gnu-llvm-14 env: RUST_BACKTRACE: 1 - <<: *job-linux-xl + <<: *job-linux-8c - name: x86_64-gnu-llvm-14-stage1 env: RUST_BACKTRACE: 1 - <<: *job-linux-xl + <<: *job-linux-8c - name: x86_64-gnu-nopt - <<: *job-linux-xl + <<: *job-linux-8c - name: x86_64-gnu-tools env: DEPLOY_TOOLSTATES_JSON: toolstates-linux.json - <<: *job-linux-xl + <<: *job-linux-8c #################### # macOS Builders # @@ -572,38 +580,38 @@ jobs: env: RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-profiler SCRIPT: make ci-subset-1 - <<: *job-windows-xl + <<: *job-windows-8c - name: x86_64-msvc-2 env: RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-profiler SCRIPT: make ci-subset-2 - <<: *job-windows-xl + <<: *job-windows-8c - name: i686-msvc-1 env: RUST_CONFIGURE_ARGS: --build=i686-pc-windows-msvc SCRIPT: make ci-subset-1 - <<: *job-windows-xl + <<: *job-windows-8c - name: i686-msvc-2 env: RUST_CONFIGURE_ARGS: --build=i686-pc-windows-msvc SCRIPT: make ci-subset-2 - <<: *job-windows-xl + <<: *job-windows-8c - name: x86_64-msvc-cargo env: SCRIPT: python x.py --stage 2 test src/tools/cargotest src/tools/cargo RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-lld - <<: *job-windows-xl + <<: *job-windows-8c - name: x86_64-msvc-tools env: SCRIPT: src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh x.py /tmp/toolstate/toolstates.json windows RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --save-toolstates=/tmp/toolstate/toolstates.json DEPLOY_TOOLSTATES_JSON: toolstates-windows.json - <<: *job-windows-xl + <<: *job-windows-8c # 32/64-bit MinGW builds. # @@ -629,7 +637,7 @@ jobs: # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 CUSTOM_MINGW: 1 - <<: *job-windows-xl + <<: *job-windows-8c - name: i686-mingw-2 env: @@ -639,7 +647,7 @@ jobs: # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 CUSTOM_MINGW: 1 - <<: *job-windows-xl + <<: *job-windows-8c - name: x86_64-mingw-1 env: @@ -651,7 +659,7 @@ jobs: # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 CUSTOM_MINGW: 1 - <<: *job-windows-xl + <<: *job-windows-8c - name: x86_64-mingw-2 env: @@ -663,7 +671,7 @@ jobs: # incompatible with LLVM downloads today). NO_DOWNLOAD_CI_LLVM: 1 CUSTOM_MINGW: 1 - <<: *job-windows-xl + <<: *job-windows-8c - name: dist-x86_64-msvc env: @@ -675,7 +683,7 @@ jobs: --enable-profiler SCRIPT: PGO_HOST=x86_64-pc-windows-msvc python src/ci/stage-build.py python x.py dist bootstrap --include-default-paths DIST_REQUIRE_ALL_TOOLS: 1 - <<: *job-windows-xl + <<: *job-windows-8c - name: dist-i686-msvc env: @@ -687,7 +695,7 @@ jobs: --enable-profiler SCRIPT: python x.py dist bootstrap --include-default-paths DIST_REQUIRE_ALL_TOOLS: 1 - <<: *job-windows-xl + <<: *job-windows-8c - name: dist-aarch64-msvc env: @@ -701,7 +709,7 @@ jobs: # Hack around this SDK version, because it doesn't work with clang. # See https://github.com/rust-lang/rust/issues/88796 WINDOWS_SDK_20348_HACK: 1 - <<: *job-windows-xl + <<: *job-windows-8c - name: dist-i686-mingw env: @@ -715,7 +723,7 @@ jobs: SCRIPT: python x.py dist bootstrap --include-default-paths CUSTOM_MINGW: 1 DIST_REQUIRE_ALL_TOOLS: 1 - <<: *job-windows-xl + <<: *job-windows-8c - name: dist-x86_64-mingw env: @@ -729,13 +737,13 @@ jobs: NO_DOWNLOAD_CI_LLVM: 1 CUSTOM_MINGW: 1 DIST_REQUIRE_ALL_TOOLS: 1 - <<: *job-windows-xl + <<: *job-windows-8c - name: dist-x86_64-msvc-alt env: RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-extended --enable-profiler SCRIPT: python x.py dist bootstrap --include-default-paths - <<: *job-windows-xl + <<: *job-windows-8c try: permissions: @@ -750,7 +758,7 @@ jobs: include: - &dist-x86_64-linux name: dist-x86_64-linux - <<: *job-linux-xl + <<: *job-linux-16c master: name: master diff --git a/src/doc/rustc/src/codegen-options/index.md b/src/doc/rustc/src/codegen-options/index.md index 62347f169a5..d7c6a884fc8 100644 --- a/src/doc/rustc/src/codegen-options/index.md +++ b/src/doc/rustc/src/codegen-options/index.md @@ -84,8 +84,8 @@ Note: The [`-g` flag][option-g-debug] is an alias for `-C debuginfo=2`. This flag controls whether or not the linker includes its default libraries. It takes one of the following values: -* `y`, `yes`, `on`, `true` or no value: include default libraries (the default). -* `n`, `no`, `off` or `false`: exclude default libraries. +* `y`, `yes`, `on`, `true`: include default libraries. +* `n`, `no`, `off` or `false` or no value: exclude default libraries (the default). For example, for gcc flavor linkers, this issues the `-nodefaultlibs` flag to the linker. diff --git a/src/doc/rustc/src/instrument-coverage.md b/src/doc/rustc/src/instrument-coverage.md index b0b2f419642..2535cd4f12c 100644 --- a/src/doc/rustc/src/instrument-coverage.md +++ b/src/doc/rustc/src/instrument-coverage.md @@ -117,7 +117,7 @@ $ ls formatjson5.profraw formatjson5.profraw ``` -If `LLVM_PROFILE_FILE` contains a path to a non-existent directory, the missing directory structure will be created. Additionally, the following special pattern strings are rewritten: +If `LLVM_PROFILE_FILE` contains a path to a nonexistent directory, the missing directory structure will be created. Additionally, the following special pattern strings are rewritten: - `%p` - The process ID. - `%h` - The hostname of the machine running the program. diff --git a/src/doc/rustc/src/json.md b/src/doc/rustc/src/json.md index d8843280b84..11d7b5b5938 100644 --- a/src/doc/rustc/src/json.md +++ b/src/doc/rustc/src/json.md @@ -61,7 +61,7 @@ Diagnostics have the following format: /* The file where the span is located. Note that this path may not exist. For example, if the path points to the standard library, and the rust src is not - available in the sysroot, then it may point to a non-existent + available in the sysroot, then it may point to a nonexistent file. Beware that this may also point to the source of an external crate. */ diff --git a/src/doc/rustc/src/platform-support/armv7-unknown-linux-uclibceabi.md b/src/doc/rustc/src/platform-support/armv7-unknown-linux-uclibceabi.md index 09e03e4dc6f..e351ea00130 100644 --- a/src/doc/rustc/src/platform-support/armv7-unknown-linux-uclibceabi.md +++ b/src/doc/rustc/src/platform-support/armv7-unknown-linux-uclibceabi.md @@ -66,7 +66,7 @@ After completing these steps you can use rust normally in a native environment. To cross compile, you'll need to: -* Build the rust cross toochain using [rust-bootstrap-armv7-unknown-linux-uclibceabi](https://github.com/lancethepants/rust-bootstrap-armv7-unknown-linux-uclibceabi) or your own built toolchain. +* Build the rust cross toolchain using [rust-bootstrap-armv7-unknown-linux-uclibceabi](https://github.com/lancethepants/rust-bootstrap-armv7-unknown-linux-uclibceabi) or your own built toolchain. * Link your built toolchain with ```text diff --git a/src/doc/rustc/src/platform-support/loongarch-linux.md b/src/doc/rustc/src/platform-support/loongarch-linux.md index e046ec244ec..d7d31d8724c 100644 --- a/src/doc/rustc/src/platform-support/loongarch-linux.md +++ b/src/doc/rustc/src/platform-support/loongarch-linux.md @@ -6,12 +6,12 @@ [LoongArch]: https://loongson.github.io/LoongArch-Documentation/README-EN.html -The target name follow this format: `<machine>-<vendor>-<os><fabi_suffix>, where `<machine>` specifies the CPU family/model, `<vendor>` specifies the vendor and `<os>` the operating system name. +The target name follow this format: `<machine>-<vendor>-<os><fabi_suffix>`, where `<machine>` specifies the CPU family/model, `<vendor>` specifies the vendor and `<os>` the operating system name. While the integer base ABI is implied by the machine field, the floating point base ABI type is encoded into the os field of the specifier using the string suffix `<fabi-suffix>`. | `<fabi-suffix>` | `Description` | |------------------------|--------------------------------------------------------------------| -| f64 | The base ABI use 64-bits FPRs for parameter passing.(lp64d)| +| f64 | The base ABI use 64-bits FPRs for parameter passing. (lp64d)| | f32 | The base ABI uses 32-bit FPRs for parameter passing. (lp64f)| | sf | The base ABI uses no FPR for parameter passing. (lp64s) | @@ -26,9 +26,9 @@ While the integer base ABI is implied by the machine field, the floating po ## Target maintainers -- [ZHAI xiaojuan](https://github.com/zhaixiaojuan) `zhaixiaojuan@loongson.cn` -- [WANG rui](https://github.com/heiher) `wangrui@loongson.cn` -- [ZHAI xiang](https://github.com/xiangzhai) `zhaixiang@loongson.cn` +- [ZHAI Xiaojuan](https://github.com/zhaixiaojuan) `zhaixiaojuan@loongson.cn` +- [WANG Rui](https://github.com/heiher) `wangrui@loongson.cn` +- [ZHAI Xiang](https://github.com/xiangzhai) `zhaixiang@loongson.cn` - [WANG Xuerui](https://github.com/xen0n) `git@xen0n.name` ## Requirements diff --git a/src/doc/rustc/src/platform-support/unknown-uefi.md b/src/doc/rustc/src/platform-support/unknown-uefi.md index e2bdf73a929..03fa284620e 100644 --- a/src/doc/rustc/src/platform-support/unknown-uefi.md +++ b/src/doc/rustc/src/platform-support/unknown-uefi.md @@ -123,7 +123,7 @@ There are 3 common ways to compile native C code for UEFI targets: targets. Be wary of any includes that are not specifically suitable for UEFI targets (especially the C standard library includes are not always compatible). Freestanding compilations are recommended to avoid - incompatibilites. + incompatibilities. ## Ecosystem diff --git a/src/doc/rustdoc/src/command-line-arguments.md b/src/doc/rustdoc/src/command-line-arguments.md index dfc80426372..b46d80eb362 100644 --- a/src/doc/rustdoc/src/command-line-arguments.md +++ b/src/doc/rustdoc/src/command-line-arguments.md @@ -179,7 +179,7 @@ $ rustdoc src/lib.rs --test This flag will run your code examples as tests. For more, see [the chapter on documentation tests](write-documentation/documentation-tests.md). -See also `--test-args`. +See also `--test-args` and `--test-run-directory`. ## `--test-args`: pass options to test runner @@ -194,6 +194,19 @@ For more, see [the chapter on documentation tests](write-documentation/documenta See also `--test`. +## `--test-run-directory`: run code examples in a specific directory + +Using this flag looks like this: + +```bash +$ rustdoc src/lib.rs --test --test-run-directory=/path/to/working/directory +``` + +This flag will run your code examples in the specified working directory. +For more, see [the chapter on documentation tests](write-documentation/documentation-tests.md). + +See also `--test`. + ## `--target`: generate documentation for the specified target triple Using this flag looks like this: diff --git a/src/doc/rustdoc/src/how-to-read-rustdoc.md b/src/doc/rustdoc/src/how-to-read-rustdoc.md index 2957916d56c..56342f65d99 100644 --- a/src/doc/rustdoc/src/how-to-read-rustdoc.md +++ b/src/doc/rustdoc/src/how-to-read-rustdoc.md @@ -94,6 +94,17 @@ can be matched with the following queries: * `trait:Iterator<primitive:u32> -> primitive:usize` * `Iterator -> usize` +Generics and function parameters are order-agnostic, but sensitive to nesting +and number of matches. For example, a function with the signature +`fn read_all(&mut self: impl Read) -> Result<Vec<u8>, Error>` +will match these queries: + +* `Read -> Result<Vec<u8>, Error>` +* `Read -> Result<Error, Vec>` +* `Read -> Result<Vec<u8>>` + +But it *does not* match `Result<Vec, u8>` or `Result<u8<Vec>>`. + ### Changing displayed theme You can change the displayed theme by opening the settings menu (the gear diff --git a/src/doc/rustdoc/src/write-documentation/documentation-tests.md b/src/doc/rustdoc/src/write-documentation/documentation-tests.md index 1cb5b049df4..a7d3186fb78 100644 --- a/src/doc/rustdoc/src/write-documentation/documentation-tests.md +++ b/src/doc/rustdoc/src/write-documentation/documentation-tests.md @@ -443,3 +443,15 @@ pub struct ReadmeDoctests; This will include your README as documentation on the hidden struct `ReadmeDoctests`, which will then be tested alongside the rest of your doctests. + +## Controlling the compilation and run directories + +By default, `rustdoc --test` will compile and run documentation test examples +from the same working directory. +The compilation directory is being used for compiler diagnostics, the `file!()` macro and +the output of `rustdoc` test runner itself, whereas the run directory has an influence on file-system +operations within documentation test examples, such as `std::fs::read_to_string`. + +The `--test-run-directory` flag allows controlling the run directory separately from the compilation directory. +This is particularly useful in workspaces, where compiler invocations and thus diagnostics should be +relative to the workspace directory, but documentation test examples should run relative to the crate directory. diff --git a/src/doc/rustdoc/src/write-documentation/linking-to-items-by-name.md b/src/doc/rustdoc/src/write-documentation/linking-to-items-by-name.md index eb2285ef906..72157b5cd9b 100644 --- a/src/doc/rustdoc/src/write-documentation/linking-to-items-by-name.md +++ b/src/doc/rustdoc/src/write-documentation/linking-to-items-by-name.md @@ -88,13 +88,16 @@ fn Foo() {} ``` These prefixes will be stripped when displayed in the documentation, so `[struct@Foo]` will be -rendered as `Foo`. +rendered as `Foo`. The following prefixes are available: `struct`, `enum`, `trait`, `union`, +`mod`, `module`, `const`, `constant`, `fn`, `function`, `method`, `derive`, `type`, `value`, +`macro`, `prim` or `primitive`. You can also disambiguate for functions by adding `()` after the function name, -or for macros by adding `!` after the macro name: +or for macros by adding `!` after the macro name. The macro `!` can be followed by `()`, `{}`, +or `[]`. Example: ```rust -/// This is different from [`foo!`] +/// This is different from [`foo!()`]. fn foo() {} /// This is different from [`foo()`] diff --git a/src/doc/style-guide/src/principles.md b/src/doc/style-guide/src/principles.md index 21668973194..2d203f264e6 100644 --- a/src/doc/style-guide/src/principles.md +++ b/src/doc/style-guide/src/principles.md @@ -6,7 +6,7 @@ following principles (in rough priority order): * readability - scan-ability - avoiding misleading formatting - - accessibility - readable and editable by users using the the widest + - accessibility - readable and editable by users using the widest variety of hardware, including non-visual accessibility interfaces - readability of code in contexts without syntax highlighting or IDE assistance, such as rustc error messages, diffs, grep, and other diff --git a/src/doc/style-guide/src/types.md b/src/doc/style-guide/src/types.md index 25861ddabb8..ae456ef21c8 100644 --- a/src/doc/style-guide/src/types.md +++ b/src/doc/style-guide/src/types.md @@ -6,7 +6,7 @@ * `[T; expr]`, e.g., `[u32; 42]`, `[Vec<Foo>; 10 * 2 + foo()]` (space after colon, no spaces around square brackets) * `*const T`, `*mut T` (no space after `*`, space before type) * `&'a T`, `&T`, `&'a mut T`, `&mut T` (no space after `&`, single spaces separating other words) -* `unsafe extern "C" fn<'a, 'b, 'c>(T, U, V) -> W` or `fn()` (single spaces around keyowrds and sigils, and after commas, no trailing commas, no spaces around brackets) +* `unsafe extern "C" fn<'a, 'b, 'c>(T, U, V) -> W` or `fn()` (single spaces around keywords and sigils, and after commas, no trailing commas, no spaces around brackets) * `!` should be treated like any other type name, `Name` * `(A, B, C, D)` (spaces after commas, no spaces around parens, no trailing comma unless it is a one-tuple) * `<Baz<T> as SomeTrait>::Foo::Bar` or `Foo::Bar` or `::Foo::Bar` (no spaces around `::` or angle brackets, single spaces around `as`) diff --git a/src/doc/unstable-book/src/compiler-flags/check-cfg.md b/src/doc/unstable-book/src/compiler-flags/check-cfg.md index 321992f7b0d..10f0fbc5062 100644 --- a/src/doc/unstable-book/src/compiler-flags/check-cfg.md +++ b/src/doc/unstable-book/src/compiler-flags/check-cfg.md @@ -202,5 +202,5 @@ fn shoot_lasers() {} #[cfg(feature = "monkeys")] // This is UNEXPECTED, because "monkeys" is not in // the values(feature) list -fn write_shakespear() {} +fn write_shakespeare() {} ``` diff --git a/src/doc/unstable-book/src/compiler-flags/move-size-limit.md b/src/doc/unstable-book/src/compiler-flags/move-size-limit.md index 88f022af2ec..aea054ba911 100644 --- a/src/doc/unstable-book/src/compiler-flags/move-size-limit.md +++ b/src/doc/unstable-book/src/compiler-flags/move-size-limit.md @@ -6,5 +6,5 @@ The `-Zmove-size-limit=N` compiler flag enables `large_assignments` lints which will warn when moving objects whose size exceeds `N` bytes. Lint warns only about moves in functions that participate in code generation. -Consequently it will be ineffective for compiler invocatation that emit +Consequently it will be ineffective for compiler invocation that emit metadata only, i.e., `cargo check` like workflows. diff --git a/src/doc/unstable-book/src/language-features/asm-experimental-arch.md b/src/doc/unstable-book/src/language-features/asm-experimental-arch.md index 0a48eb4f81a..1f52ab75010 100644 --- a/src/doc/unstable-book/src/language-features/asm-experimental-arch.md +++ b/src/doc/unstable-book/src/language-features/asm-experimental-arch.md @@ -16,6 +16,7 @@ This feature tracks `asm!` and `global_asm!` support for the following architect - SPIR-V - AVR - MSP430 +- M68k ## Register classes @@ -41,6 +42,9 @@ This feature tracks `asm!` and `global_asm!` support for the following architect | AVR | `reg_iw` | `r25r24`, `X`, `Z` | `w` | | AVR | `reg_ptr` | `X`, `Z` | `e` | | MSP430 | `reg` | `r[0-15]` | `r` | +| M68k | `reg` | `d[0-7]`, `a[0-7]` | `r` | +| M68k | `reg_data` | `d[0-7]` | `d` | +| M68k | `reg_addr` | `a[0-3]` | `a` | > **Notes**: > - NVPTX doesn't have a fixed register set, so named registers are not supported. @@ -70,6 +74,8 @@ This feature tracks `asm!` and `global_asm!` support for the following architect | AVR | `reg`, `reg_upper` | None | `i8` | | AVR | `reg_pair`, `reg_iw`, `reg_ptr` | None | `i16` | | MSP430 | `reg` | None | `i8`, `i16` | +| M68k | `reg`, `reg_addr` | None | `i16`, `i32` | +| M68k | `reg_data` | None | `i8`, `i16`, `i32` | ## Register aliases @@ -88,6 +94,9 @@ This feature tracks `asm!` and `global_asm!` support for the following architect | MSP430 | `r2` | `sr` | | MSP430 | `r3` | `cg` | | MSP430 | `r4` | `fp` | +| M68k | `a5` | `bp` | +| M68k | `a6` | `fp` | +| M68k | `a7` | `sp`, `usp`, `ssp`, `isp` | > **Notes**: > - TI does not mandate a frame pointer for MSP430, but toolchains are allowed @@ -98,7 +107,7 @@ This feature tracks `asm!` and `global_asm!` support for the following architect | Architecture | Unsupported register | Reason | | ------------ | --------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | All | `sp` | The stack pointer must be restored to its original value at the end of an asm code block. | -| All | `fr` (Hexagon), `$fp` (MIPS), `Y` (AVR), `r4` (MSP430) | The frame pointer cannot be used as an input or output. | +| All | `fr` (Hexagon), `$fp` (MIPS), `Y` (AVR), `r4` (MSP430), `a6` (M68k) | The frame pointer cannot be used as an input or output. | | All | `r19` (Hexagon) | This is used internally by LLVM as a "base pointer" for functions with complex stack frames. | | MIPS | `$0` or `$zero` | This is a constant zero register which can't be modified. | | MIPS | `$1` or `$at` | Reserved for assembler. | @@ -108,6 +117,7 @@ This feature tracks `asm!` and `global_asm!` support for the following architect | Hexagon | `lr` | This is the link register which cannot be used as an input or output. | | AVR | `r0`, `r1`, `r1r0` | Due to an issue in LLVM, the `r0` and `r1` registers cannot be used as inputs or outputs. If modified, they must be restored to their original values before the end of the block. | |MSP430 | `r0`, `r2`, `r3` | These are the program counter, status register, and constant generator respectively. Neither the status register nor constant generator can be written to. | +| M68k | `a4`, `a5` | Used internally by LLVM for the base pointer and global base pointer. | ## Template modifiers @@ -130,3 +140,5 @@ These flags registers must be restored upon exiting the asm block if the `preser - The status register `SREG`. - MSP430 - The status register `r2`. +- M68k + - The condition code register `ccr`. diff --git a/src/doc/unstable-book/src/language-features/transparent-unions.md b/src/doc/unstable-book/src/language-features/transparent-unions.md index 9b39b897164..bab88b148b2 100644 --- a/src/doc/unstable-book/src/language-features/transparent-unions.md +++ b/src/doc/unstable-book/src/language-features/transparent-unions.md @@ -65,7 +65,7 @@ pub union GenericUnion<T: Copy> { // Unions with non-`Copy` fields are unstable. pub const THIS_IS_OKAY: GenericUnion<()> = GenericUnion { field: () }; ``` -Like transarent `struct`s, a transparent `union` of type `U` has the same +Like transparent `struct`s, a transparent `union` of type `U` has the same layout, size, and ABI as its single non-ZST field. If it is generic over a type `T`, and all its fields are ZSTs except for exactly one field of type `T`, then it has the same layout and ABI as `T` (even if `T` is a ZST when monomorphized). diff --git a/src/etc/rust-gdb b/src/etc/rust-gdb index d812f7a802b..9abed30ea6f 100755 --- a/src/etc/rust-gdb +++ b/src/etc/rust-gdb @@ -14,7 +14,7 @@ fi RUSTC_SYSROOT="$("$RUSTC" --print=sysroot)" GDB_PYTHON_MODULE_DIRECTORY="$RUSTC_SYSROOT/lib/rustlib/etc" # Get the commit hash for path remapping -RUSTC_COMMIT_HASH="$("$RUSTC" -vV | sed -n 's/commit-hash: \(\w*\)/\1/p')" +RUSTC_COMMIT_HASH="$("$RUSTC" -vV | sed -n 's/commit-hash: \([a-zA-Z0-9_]*\)/\1/p')" # Run GDB with the additional arguments that load the pretty printers # Set the environment variable `RUST_GDB` to overwrite the call to a @@ -25,4 +25,4 @@ PYTHONPATH="$PYTHONPATH:$GDB_PYTHON_MODULE_DIRECTORY" exec ${RUST_GDB} \ -iex "add-auto-load-safe-path $GDB_PYTHON_MODULE_DIRECTORY" \ -iex "set substitute-path /rustc/$RUSTC_COMMIT_HASH $RUSTC_SYSROOT/lib/rustlib/src/rust" \ "$@" - \ No newline at end of file + diff --git a/src/etc/rust-gdbgui b/src/etc/rust-gdbgui index e7bafcc99b8..913269316bd 100755 --- a/src/etc/rust-gdbgui +++ b/src/etc/rust-gdbgui @@ -43,7 +43,7 @@ fi RUSTC_SYSROOT="$("$RUSTC" --print=sysroot)" GDB_PYTHON_MODULE_DIRECTORY="$RUSTC_SYSROOT/lib/rustlib/etc" # Get the commit hash for path remapping -RUSTC_COMMIT_HASH="$("$RUSTC" -vV | sed -n 's/commit-hash: \(\w*\)/\1/p')" +RUSTC_COMMIT_HASH="$("$RUSTC" -vV | sed -n 's/commit-hash: \([a-zA-Z0-9_]*\)/\1/p')" # Set the environment variable `RUST_GDB` to overwrite the call to a # different/specific command (defaults to `gdb`). diff --git a/src/librustdoc/clean/auto_trait.rs b/src/librustdoc/clean/auto_trait.rs index 9479b3ee036..eeee12a4310 100644 --- a/src/librustdoc/clean/auto_trait.rs +++ b/src/librustdoc/clean/auto_trait.rs @@ -1,7 +1,7 @@ use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; use rustc_hir::lang_items::LangItem; -use rustc_middle::ty::{self, Region, RegionVid, TypeFoldable, TypeSuperFoldable}; +use rustc_middle::ty::{self, Region, RegionVid, TypeFoldable}; use rustc_trait_selection::traits::auto_trait::{self, AutoTraitResult}; use thin_vec::ThinVec; @@ -141,7 +141,7 @@ where let f = auto_trait::AutoTraitFinder::new(tcx); debug!("get_auto_trait_impls({:?})", ty); - let auto_traits: Vec<_> = self.cx.auto_traits.iter().copied().collect(); + let auto_traits: Vec<_> = self.cx.auto_traits.to_vec(); let mut auto_traits: Vec<Item> = auto_traits .into_iter() .filter_map(|trait_def_id| { @@ -740,10 +740,9 @@ impl<'a, 'tcx> TypeFolder<TyCtxt<'tcx>> for RegionReplacer<'a, 'tcx> { } fn fold_region(&mut self, r: ty::Region<'tcx>) -> ty::Region<'tcx> { - (match *r { - ty::ReVar(vid) => self.vid_to_region.get(&vid).cloned(), - _ => None, - }) - .unwrap_or_else(|| r.super_fold_with(self)) + match *r { + ty::ReVar(vid) => self.vid_to_region.get(&vid).cloned().unwrap_or(r), + _ => r, + } } } diff --git a/src/librustdoc/clean/inline.rs b/src/librustdoc/clean/inline.rs index 9270d1c02e2..3f6a5d6d901 100644 --- a/src/librustdoc/clean/inline.rs +++ b/src/librustdoc/clean/inline.rs @@ -111,7 +111,7 @@ pub(crate) fn try_inline( clean::ConstantItem(build_const(cx, did)) } Res::Def(DefKind::Macro(kind), did) => { - let mac = build_macro(cx, did, name, import_def_id); + let mac = build_macro(cx, did, name, import_def_id, kind); let type_kind = match kind { MacroKind::Bang => ItemType::Macro, @@ -152,7 +152,7 @@ pub(crate) fn try_inline_glob( // reexported by the glob, e.g. because they are shadowed by something else. let reexports = cx .tcx - .module_reexports(current_mod) + .module_children_reexports(current_mod) .iter() .filter_map(|child| child.res.opt_def_id()) .collect(); @@ -528,7 +528,7 @@ pub(crate) fn build_impl( items: trait_items, polarity, kind: if utils::has_doc_flag(tcx, did, sym::fake_variadic) { - ImplKind::FakeVaradic + ImplKind::FakeVariadic } else { ImplKind::Normal }, @@ -651,18 +651,24 @@ fn build_macro( def_id: DefId, name: Symbol, import_def_id: Option<DefId>, + macro_kind: MacroKind, ) -> clean::ItemKind { match CStore::from_tcx(cx.tcx).load_macro_untracked(def_id, cx.sess()) { - LoadedMacro::MacroDef(item_def, _) => { - if let ast::ItemKind::MacroDef(ref def) = item_def.kind { - let vis = cx.tcx.visibility(import_def_id.unwrap_or(def_id)); - clean::MacroItem(clean::Macro { - source: utils::display_macro_source(cx, name, def, def_id, vis), - }) - } else { - unreachable!() + LoadedMacro::MacroDef(item_def, _) => match macro_kind { + MacroKind::Bang => { + if let ast::ItemKind::MacroDef(ref def) = item_def.kind { + let vis = cx.tcx.visibility(import_def_id.unwrap_or(def_id)); + clean::MacroItem(clean::Macro { + source: utils::display_macro_source(cx, name, def, def_id, vis), + }) + } else { + unreachable!() + } } - } + MacroKind::Derive | MacroKind::Attr => { + clean::ProcMacroItem(clean::ProcMacro { kind: macro_kind, helpers: Vec::new() }) + } + }, LoadedMacro::ProcMacro(ext) => clean::ProcMacroItem(clean::ProcMacro { kind: ext.macro_kind(), helpers: ext.helper_attrs, diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index b3df12a9df1..04379c2bca9 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -35,7 +35,6 @@ use rustc_span::{self, ExpnKind}; use std::borrow::Cow; use std::collections::hash_map::Entry; use std::collections::BTreeMap; -use std::default::Default; use std::hash::Hash; use std::mem; use thin_vec::ThinVec; @@ -909,6 +908,38 @@ fn clean_ty_generics<'tcx>( } } +fn clean_proc_macro<'tcx>( + item: &hir::Item<'tcx>, + name: &mut Symbol, + kind: MacroKind, + cx: &mut DocContext<'tcx>, +) -> ItemKind { + let attrs = cx.tcx.hir().attrs(item.hir_id()); + if kind == MacroKind::Derive && + let Some(derive_name) = attrs + .lists(sym::proc_macro_derive) + .find_map(|mi| mi.ident()) + { + *name = derive_name.name; + } + + let mut helpers = Vec::new(); + for mi in attrs.lists(sym::proc_macro_derive) { + if !mi.has_name(sym::attributes) { + continue; + } + + if let Some(list) = mi.meta_item_list() { + for inner_mi in list { + if let Some(ident) = inner_mi.ident() { + helpers.push(ident.name); + } + } + } + } + ProcMacroItem(ProcMacro { kind, helpers }) +} + fn clean_fn_or_proc_macro<'tcx>( item: &hir::Item<'tcx>, sig: &hir::FnSig<'tcx>, @@ -930,31 +961,7 @@ fn clean_fn_or_proc_macro<'tcx>( } }); match macro_kind { - Some(kind) => { - if kind == MacroKind::Derive { - *name = attrs - .lists(sym::proc_macro_derive) - .find_map(|mi| mi.ident()) - .expect("proc-macro derives require a name") - .name; - } - - let mut helpers = Vec::new(); - for mi in attrs.lists(sym::proc_macro_derive) { - if !mi.has_name(sym::attributes) { - continue; - } - - if let Some(list) = mi.meta_item_list() { - for inner_mi in list { - if let Some(ident) = inner_mi.ident() { - helpers.push(ident.name); - } - } - } - } - ProcMacroItem(ProcMacro { kind, helpers }) - } + Some(kind) => clean_proc_macro(item, name, kind, cx), None => { let mut func = clean_function(cx, sig, generics, FunctionArgs::Body(body_id)); clean_fn_decl_legacy_const_generics(&mut func, attrs); @@ -2062,7 +2069,7 @@ pub(crate) fn reexport_chain<'tcx>( import_def_id: LocalDefId, target_def_id: LocalDefId, ) -> &'tcx [Reexport] { - for child in tcx.module_reexports(tcx.local_parent(import_def_id)) { + for child in tcx.module_children_reexports(tcx.local_parent(import_def_id)) { if child.res.opt_def_id() == Some(target_def_id.to_def_id()) && child.reexport_chain[0].id() == Some(import_def_id.to_def_id()) { @@ -2247,16 +2254,17 @@ fn clean_maybe_renamed_item<'tcx>( fields: variant_data.fields().iter().map(|x| clean_field(x, cx)).collect(), }), ItemKind::Impl(impl_) => return clean_impl(impl_, item.owner_id.def_id, cx), - // proc macros can have a name set by attributes - ItemKind::Fn(ref sig, generics, body_id) => { - clean_fn_or_proc_macro(item, sig, generics, body_id, &mut name, cx) - } - ItemKind::Macro(ref macro_def, _) => { + ItemKind::Macro(ref macro_def, MacroKind::Bang) => { let ty_vis = cx.tcx.visibility(def_id); MacroItem(Macro { source: display_macro_source(cx, name, macro_def, def_id, ty_vis), }) } + ItemKind::Macro(_, macro_kind) => clean_proc_macro(item, &mut name, macro_kind, cx), + // proc macros can have a name set by attributes + ItemKind::Fn(ref sig, generics, body_id) => { + clean_fn_or_proc_macro(item, sig, generics, body_id, &mut name, cx) + } ItemKind::Trait(_, _, generics, bounds, item_ids) => { let items = item_ids .iter() @@ -2348,7 +2356,7 @@ fn clean_impl<'tcx>( items, polarity: tcx.impl_polarity(def_id), kind: if utils::has_doc_flag(tcx, def_id.to_def_id(), sym::fake_variadic) { - ImplKind::FakeVaradic + ImplKind::FakeVariadic } else { ImplKind::Normal }, diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index e34ece9264c..03129b972f2 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -1,6 +1,5 @@ use std::borrow::Cow; use std::cell::RefCell; -use std::default::Default; use std::hash::Hash; use std::path::PathBuf; use std::rc::Rc; @@ -157,7 +156,7 @@ impl ExternalCrate { } /// Attempts to find where an external crate is located, given that we're - /// rendering in to the specified source destination. + /// rendering into the specified source destination. pub(crate) fn location( &self, extern_url: Option<&str>, @@ -752,7 +751,7 @@ pub(crate) enum ItemKind { PrimitiveItem(PrimitiveType), /// A required associated constant in a trait declaration. TyAssocConstItem(Type), - /// An associated associated constant in a trait impl or a provided one in a trait declaration. + /// An associated constant in a trait impl or a provided one in a trait declaration. AssocConstItem(Type, ConstantKind), /// A required associated type in a trait declaration. /// @@ -980,7 +979,7 @@ pub(crate) trait NestedAttributesExt { /// Returns `true` if the attribute list contains a specific `word` fn has_word(self, word: Symbol) -> bool where - Self: std::marker::Sized, + Self: Sized, { <Self as NestedAttributesExt>::get_word_attr(self, word).is_some() } @@ -2306,7 +2305,7 @@ impl Impl { pub(crate) enum ImplKind { Normal, Auto, - FakeVaradic, + FakeVariadic, Blanket(Box<Type>), } @@ -2320,7 +2319,7 @@ impl ImplKind { } pub(crate) fn is_fake_variadic(&self) -> bool { - matches!(self, ImplKind::FakeVaradic) + matches!(self, ImplKind::FakeVariadic) } pub(crate) fn as_blanket_ty(&self) -> Option<&Type> { diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs index c848089dad6..b579e7f5ae9 100644 --- a/src/librustdoc/config.rs +++ b/src/librustdoc/config.rs @@ -1,12 +1,10 @@ use std::collections::BTreeMap; -use std::convert::TryFrom; use std::ffi::OsStr; use std::fmt; use std::path::PathBuf; use std::str::FromStr; use rustc_data_structures::fx::FxHashMap; -use rustc_driver::print_flag_list; use rustc_session::config::{ self, parse_crate_types_from_list, parse_externs, parse_target_triple, CrateType, }; @@ -328,14 +326,7 @@ impl Options { return Err(0); } - let z_flags = matches.opt_strs("Z"); - if z_flags.iter().any(|x| *x == "help") { - print_flag_list("-Z", config::Z_OPTIONS); - return Err(0); - } - let c_flags = matches.opt_strs("C"); - if c_flags.iter().any(|x| *x == "help") { - print_flag_list("-C", config::CG_OPTIONS); + if rustc_driver::describe_flag_categories(&matches) { return Err(0); } @@ -500,7 +491,7 @@ impl Options { // https://developer.mozilla.org/en-US/docs/Web/API/HTMLElement/dataset // // The original key values we have are the same as the DOM storage API keys and the - // command line options, so contain `-`. Our Javascript needs to be able to look + // command line options, so contain `-`. Our JavaScript needs to be able to look // these values up both in `dataset` and in the storage API, so it needs to be able // to convert the names back and forth. Despite doing this kebab-case to // StudlyCaps transformation automatically, the JS DOM API does not provide a diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 1a896b411ab..daf10e5b88a 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -398,6 +398,8 @@ fn run_test( compiler.stdin(Stdio::piped()); compiler.stderr(Stdio::piped()); + debug!("compiler invocation for doctest: {:?}", compiler); + let mut child = compiler.spawn().expect("Failed to spawn rustc process"); { let stdin = child.stdin.as_mut().expect("Failed to open stdin"); diff --git a/src/librustdoc/formats/cache.rs b/src/librustdoc/formats/cache.rs index c0329182032..841abfab666 100644 --- a/src/librustdoc/formats/cache.rs +++ b/src/librustdoc/formats/cache.rs @@ -300,14 +300,13 @@ impl<'a, 'tcx> DocFolder for CacheBuilder<'a, 'tcx> { ParentStackItem::Impl { for_, .. } => for_.def_id(&self.cache), ParentStackItem::Type(item_id) => item_id.as_def_id(), }; - let path = match did.and_then(|did| self.cache.paths.get(&did)) { + let path = did + .and_then(|did| self.cache.paths.get(&did)) // The current stack not necessarily has correlation // for where the type was defined. On the other // hand, `paths` always has the right // information if present. - Some((fqp, _)) => Some(&fqp[..fqp.len() - 1]), - None => None, - }; + .map(|(fqp, _)| &fqp[..fqp.len() - 1]); ((did, path), true) } } diff --git a/src/librustdoc/html/highlight.rs b/src/librustdoc/html/highlight.rs index b61dd571458..946c85a205f 100644 --- a/src/librustdoc/html/highlight.rs +++ b/src/librustdoc/html/highlight.rs @@ -514,7 +514,7 @@ struct Classifier<'src> { impl<'src> Classifier<'src> { /// Takes as argument the source code to HTML-ify, the rust edition to use and the source code - /// file span which will be used later on by the `span_correspondance_map`. + /// file span which will be used later on by the `span_correspondence_map`. fn new(src: &str, file_span: Span, decoration_info: Option<DecorationInfo>) -> Classifier<'_> { let tokens = PeekIter::new(TokenIter { src, cursor: Cursor::new(src) }); let decorations = decoration_info.map(Decorations::new); @@ -649,7 +649,7 @@ impl<'src> Classifier<'src> { /// /// `before` is the position of the given token in the `source` string and is used as "lo" byte /// in case we want to try to generate a link for this token using the - /// `span_correspondance_map`. + /// `span_correspondence_map`. fn advance( &mut self, token: TokenKind, @@ -895,7 +895,7 @@ fn exit_span(out: &mut impl Write, closing_tag: &str) { /// flexible. /// /// Note that if `context` is not `None` and that the given `klass` contains a `Span`, the function -/// will then try to find this `span` in the `span_correspondance_map`. If found, it'll then +/// will then try to find this `span` in the `span_correspondence_map`. If found, it'll then /// generate a link for this element (which corresponds to where its definition is located). fn string<T: Display>( out: &mut impl Write, @@ -916,7 +916,7 @@ fn string<T: Display>( /// * If `klass` is `Some` but `klass.get_span()` is `None`, it writes the text wrapped in a /// `<span>` with the provided `klass`. /// * If `klass` is `Some` and has a [`rustc_span::Span`], it then tries to generate a link (`<a>` -/// element) by retrieving the link information from the `span_correspondance_map` that was filled +/// element) by retrieving the link information from the `span_correspondence_map` that was filled /// in `span_map.rs::collect_spans_and_sources`. If it cannot retrieve the information, then it's /// the same as the second point (`klass` is `Some` but doesn't have a [`rustc_span::Span`]). fn string_without_closing_tag<T: Display>( @@ -963,7 +963,7 @@ fn string_without_closing_tag<T: Display>( if let Some(href_context) = href_context { if let Some(href) = - href_context.context.shared.span_correspondance_map.get(&def_span).and_then(|href| { + href_context.context.shared.span_correspondence_map.get(&def_span).and_then(|href| { let context = href_context.context; // FIXME: later on, it'd be nice to provide two links (if possible) for all items: // one to the documentation page and one to the source definition. diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index fd81a21f5a9..4b0aee9c3ad 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -36,7 +36,6 @@ use rustc_span::{Span, Symbol}; use once_cell::sync::Lazy; use std::borrow::Cow; use std::collections::VecDeque; -use std::default::Default; use std::fmt::Write; use std::ops::{ControlFlow, Range}; use std::str; @@ -1393,7 +1392,7 @@ static DEFAULT_ID_MAP: Lazy<FxHashMap<Cow<'static, str>, usize>> = Lazy::new(|| fn init_id_map() -> FxHashMap<Cow<'static, str>, usize> { let mut map = FxHashMap::default(); - // This is the list of IDs used in Javascript. + // This is the list of IDs used in JavaScript. map.insert("help".into(), 1); map.insert("settings".into(), 1); map.insert("not-displayed".into(), 1); diff --git a/src/librustdoc/html/render/context.rs b/src/librustdoc/html/render/context.rs index ac5054ce1b6..a063c8c9f02 100644 --- a/src/librustdoc/html/render/context.rs +++ b/src/librustdoc/html/render/context.rs @@ -122,9 +122,9 @@ pub(crate) struct SharedContext<'tcx> { /// the crate. redirections: Option<RefCell<FxHashMap<String, String>>>, - /// Correspondance map used to link types used in the source code pages to allow to click on + /// Correspondence map used to link types used in the source code pages to allow to click on /// links to jump to the type's definition. - pub(crate) span_correspondance_map: FxHashMap<rustc_span::Span, LinkFromSrc>, + pub(crate) span_correspondence_map: FxHashMap<rustc_span::Span, LinkFromSrc>, /// The [`Cache`] used during rendering. pub(crate) cache: Cache, @@ -531,7 +531,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> { errors: receiver, redirections: if generate_redirect_map { Some(Default::default()) } else { None }, show_type_layout, - span_correspondance_map: matches, + span_correspondence_map: matches, cache, call_locations, }; @@ -647,7 +647,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> { </div>\ <noscript>\ <section>\ - You need to enable Javascript be able to update your settings.\ + You need to enable JavaScript be able to update your settings.\ </section>\ </noscript>\ <link rel=\"stylesheet\" \ @@ -709,7 +709,7 @@ impl<'tcx> FormatRenderer<'tcx> for Context<'tcx> { </div>\ <noscript>\ <section>\ - <p>You need to enable Javascript to use keyboard commands or search.</p>\ + <p>You need to enable JavaScript to use keyboard commands or search.</p>\ <p>For more information, browse the <a href=\"https://doc.rust-lang.org/rustdoc/\">rustdoc handbook</a>.</p>\ </section>\ </noscript>", diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs index 1e3cd266850..463184acaa1 100644 --- a/src/librustdoc/html/render/mod.rs +++ b/src/librustdoc/html/render/mod.rs @@ -38,7 +38,6 @@ pub(crate) use self::context::*; pub(crate) use self::span_map::{collect_spans_and_sources, LinkFromSrc}; use std::collections::VecDeque; -use std::default::Default; use std::fmt::{self, Write}; use std::fs; use std::iter::Peekable; diff --git a/src/librustdoc/html/render/search_index.rs b/src/librustdoc/html/render/search_index.rs index 08a0e1c377e..f5b4a3f5abd 100644 --- a/src/librustdoc/html/render/search_index.rs +++ b/src/librustdoc/html/render/search_index.rs @@ -59,7 +59,7 @@ pub(crate) fn build_index<'tcx>( // `sort_unstable_by_key` produces lifetime errors let k1 = (&k1.path, k1.name.as_str(), &k1.ty, &k1.parent); let k2 = (&k2.path, k2.name.as_str(), &k2.ty, &k2.parent); - std::cmp::Ord::cmp(&k1, &k2) + Ord::cmp(&k1, &k2) }); // Set up alias indexes. diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css index 9df19352567..6fbb4508662 100644 --- a/src/librustdoc/html/static/css/rustdoc.css +++ b/src/librustdoc/html/static/css/rustdoc.css @@ -384,6 +384,7 @@ img { font-size: 0.875rem; flex: 0 0 200px; overflow-y: scroll; + overscroll-behavior: contain; position: sticky; height: 100vh; top: 0; @@ -1531,7 +1532,7 @@ However, it's not needed with smaller screen width because the doc/code block is /* WARNING: RUSTDOC_MOBILE_BREAKPOINT MEDIA QUERY If you update this line, then you also need to update the line with the same warning -in main.js +in source-script.js */ @media (max-width: 700px) { /* When linking to an item with an `id` (for instance, by clicking a link in the sidebar, diff --git a/src/librustdoc/html/static/css/settings.css b/src/librustdoc/html/static/css/settings.css index 920f45c4bba..d13c783d2e4 100644 --- a/src/librustdoc/html/static/css/settings.css +++ b/src/librustdoc/html/static/css/settings.css @@ -8,7 +8,7 @@ height: 1.2rem; width: 1.2rem; color: inherit; - border: 1px solid currentColor; + border: 2px solid var(--settings-input-border-color); outline: none; -webkit-appearance: none; cursor: pointer; @@ -52,6 +52,7 @@ } .setting-check input:checked { background-color: var(--settings-input-color); + border-width: 1px; } .setting-radio input:focus, .setting-check input:focus { box-shadow: 0 0 1px 1px var(--settings-input-color); diff --git a/src/librustdoc/html/static/css/themes/ayu.css b/src/librustdoc/html/static/css/themes/ayu.css index 90cf689ad33..7145baad256 100644 --- a/src/librustdoc/html/static/css/themes/ayu.css +++ b/src/librustdoc/html/static/css/themes/ayu.css @@ -7,6 +7,7 @@ Original by Dempfi (https://github.com/dempfi/ayu) --main-background-color: #0f1419; --main-color: #c5c5c5; --settings-input-color: #ffb454; + --settings-input-border-color: #999; --settings-button-color: #fff; --settings-button-border-focus: #e0e0e0; --sidebar-background-color: #14191f; diff --git a/src/librustdoc/html/static/css/themes/dark.css b/src/librustdoc/html/static/css/themes/dark.css index e8cd0693139..3c1186a5649 100644 --- a/src/librustdoc/html/static/css/themes/dark.css +++ b/src/librustdoc/html/static/css/themes/dark.css @@ -2,6 +2,7 @@ --main-background-color: #353535; --main-color: #ddd; --settings-input-color: #2196f3; + --settings-input-border-color: #999; --settings-button-color: #000; --settings-button-border-focus: #ffb900; --sidebar-background-color: #505050; diff --git a/src/librustdoc/html/static/css/themes/light.css b/src/librustdoc/html/static/css/themes/light.css index 5e3f14e483f..f8c287137de 100644 --- a/src/librustdoc/html/static/css/themes/light.css +++ b/src/librustdoc/html/static/css/themes/light.css @@ -2,6 +2,7 @@ --main-background-color: white; --main-color: black; --settings-input-color: #2196f3; + --settings-input-border-color: #717171; --settings-button-color: #000; --settings-button-border-focus: #717171; --sidebar-background-color: #F5F5F5; diff --git a/src/librustdoc/html/static/js/externs.js b/src/librustdoc/html/static/js/externs.js index ecbe15a59da..4c81a0979c1 100644 --- a/src/librustdoc/html/static/js/externs.js +++ b/src/librustdoc/html/static/js/externs.js @@ -66,6 +66,11 @@ let Row; let ResultsTable; /** + * @typedef {Map<String, ResultObject>} + */ +let Results; + +/** * @typedef {{ * desc: string, * displayPath: string, @@ -80,7 +85,7 @@ let ResultsTable; * ty: number, * }} */ -let Results; +let ResultObject; /** * A pair of [inputs, outputs], or 0 for null. This is stored in the search index. diff --git a/src/librustdoc/html/static/js/main.js b/src/librustdoc/html/static/js/main.js index a6655663b82..93d657fd605 100644 --- a/src/librustdoc/html/static/js/main.js +++ b/src/librustdoc/html/static/js/main.js @@ -4,11 +4,6 @@ "use strict"; -// WARNING: RUSTDOC_MOBILE_BREAKPOINT MEDIA QUERY -// If you update this line, then you also need to update the media query with the same -// warning in rustdoc.css -window.RUSTDOC_MOBILE_BREAKPOINT = 700; - // Given a basename (e.g. "storage") and an extension (e.g. ".js"), return a URL // for a resource under the root-path, with the resource-suffix. function resourcePath(basename, extension) { @@ -280,8 +275,7 @@ function preLoadCss(cssUrl) { document.title = searchState.titleBeforeSearch; // We also remove the query parameter from the URL. if (browserSupportsHistoryApi()) { - history.replaceState(null, window.currentCrate + " - Rust", - getNakedUrl() + window.location.hash); + history.replaceState(null, "", getNakedUrl() + window.location.hash); } }, getQueryStringParams: () => { @@ -383,8 +377,7 @@ function preLoadCss(cssUrl) { searchState.clearInputTimeout(); switchDisplayedElement(null); if (browserSupportsHistoryApi()) { - history.replaceState(null, window.currentCrate + " - Rust", - getNakedUrl() + window.location.hash); + history.replaceState(null, "", getNakedUrl() + window.location.hash); } ev.preventDefault(); searchState.defocus(); @@ -730,65 +723,18 @@ function preLoadCss(cssUrl) { window.rustdoc_add_line_numbers_to_examples(); } - let oldSidebarScrollPosition = null; - - // Scroll locking used both here and in source-script.js - - window.rustdocMobileScrollLock = function() { - const mobile_topbar = document.querySelector(".mobile-topbar"); - if (window.innerWidth <= window.RUSTDOC_MOBILE_BREAKPOINT) { - // This is to keep the scroll position on mobile. - oldSidebarScrollPosition = window.scrollY; - document.body.style.width = `${document.body.offsetWidth}px`; - document.body.style.position = "fixed"; - document.body.style.top = `-${oldSidebarScrollPosition}px`; - if (mobile_topbar) { - mobile_topbar.style.top = `${oldSidebarScrollPosition}px`; - mobile_topbar.style.position = "relative"; - } - } else { - oldSidebarScrollPosition = null; - } - }; - - window.rustdocMobileScrollUnlock = function() { - const mobile_topbar = document.querySelector(".mobile-topbar"); - if (oldSidebarScrollPosition !== null) { - // This is to keep the scroll position on mobile. - document.body.style.width = ""; - document.body.style.position = ""; - document.body.style.top = ""; - if (mobile_topbar) { - mobile_topbar.style.top = ""; - mobile_topbar.style.position = ""; - } - // The scroll position is lost when resetting the style, hence why we store it in - // `oldSidebarScrollPosition`. - window.scrollTo(0, oldSidebarScrollPosition); - oldSidebarScrollPosition = null; - } - }; - function showSidebar() { window.hideAllModals(false); - window.rustdocMobileScrollLock(); const sidebar = document.getElementsByClassName("sidebar")[0]; addClass(sidebar, "shown"); } function hideSidebar() { - window.rustdocMobileScrollUnlock(); const sidebar = document.getElementsByClassName("sidebar")[0]; removeClass(sidebar, "shown"); } window.addEventListener("resize", () => { - if (window.innerWidth > window.RUSTDOC_MOBILE_BREAKPOINT && - oldSidebarScrollPosition !== null) { - // If the user opens the sidebar in "mobile" mode, and then grows the browser window, - // we need to switch away from mobile mode and make the main content area scrollable. - hideSidebar(); - } if (window.CURRENT_TOOLTIP_ELEMENT) { // As a workaround to the behavior of `contains: layout` used in doc togglers, // tooltip popovers are positioned using javascript. diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js index c081578b8d4..929dae81c8d 100644 --- a/src/librustdoc/html/static/js/search.js +++ b/src/librustdoc/html/static/js/search.js @@ -191,7 +191,7 @@ function initSearch(rawSearchIndex) { */ let searchIndex; let currentResults; - const ALIASES = Object.create(null); + const ALIASES = new Map(); function isWhitespace(c) { return " \t\n\r".indexOf(c) !== -1; @@ -461,9 +461,7 @@ function initSearch(rawSearchIndex) { if (parserState.pos < parserState.length && parserState.userQuery[parserState.pos] === "<" ) { - if (isInGenerics) { - throw ["Unexpected ", "<", " after ", "<"]; - } else if (start >= end) { + if (start >= end) { throw ["Found generics without a path"]; } parserState.pos += 1; @@ -765,13 +763,10 @@ function initSearch(rawSearchIndex) { * ident = *(ALPHA / DIGIT / "_") * path = ident *(DOUBLE-COLON ident) [!] * arg = [type-filter *WS COLON *WS] path [generics] - * arg-without-generic = [type-filter *WS COLON *WS] path * type-sep = COMMA/WS *(COMMA/WS) * nonempty-arg-list = *(type-sep) arg *(type-sep arg) *(type-sep) - * nonempty-arg-list-without-generics = *(type-sep) arg-without-generic - * *(type-sep arg-without-generic) *(type-sep) - * generics = OPEN-ANGLE-BRACKET [ nonempty-arg-list-without-generics ] *(type-sep) - * CLOSE-ANGLE-BRACKET/EOF + * generics = OPEN-ANGLE-BRACKET [ nonempty-arg-list ] *(type-sep) + * CLOSE-ANGLE-BRACKET * return-args = RETURN-ARROW *(type-sep) nonempty-arg-list * * exact-search = [type-filter *WS COLON] [ RETURN-ARROW ] *WS QUOTE ident QUOTE [ generics ] @@ -903,10 +898,18 @@ function initSearch(rawSearchIndex) { * @return {ResultsTable} */ function execQuery(parsedQuery, searchWords, filterCrates, currentCrate) { - const results_others = {}, results_in_args = {}, results_returned = {}; + const results_others = new Map(), results_in_args = new Map(), + results_returned = new Map(); + /** + * Add extra data to result objects, and filter items that have been + * marked for removal. + * + * @param {[ResultObject]} results + * @returns {[ResultObject]} + */ function transformResults(results) { - const duplicates = {}; + const duplicates = new Set(); const out = []; for (const result of results) { @@ -919,10 +922,10 @@ function initSearch(rawSearchIndex) { // To be sure than it some items aren't considered as duplicate. obj.fullPath += "|" + obj.ty; - if (duplicates[obj.fullPath]) { + if (duplicates.has(obj.fullPath)) { continue; } - duplicates[obj.fullPath] = true; + duplicates.add(obj.fullPath); obj.href = res[1]; out.push(obj); @@ -934,24 +937,30 @@ function initSearch(rawSearchIndex) { return out; } + /** + * This function takes a result map, and sorts it by various criteria, including edit + * distance, substring match, and the crate it comes from. + * + * @param {Results} results + * @param {boolean} isType + * @param {string} preferredCrate + * @returns {[ResultObject]} + */ function sortResults(results, isType, preferredCrate) { - const userQuery = parsedQuery.userQuery; - const ar = []; - for (const entry in results) { - if (hasOwnPropertyRustdoc(results, entry)) { - const result = results[entry]; - result.word = searchWords[result.id]; - result.item = searchIndex[result.id] || {}; - ar.push(result); - } - } - results = ar; // if there are no results then return to default and fail - if (results.length === 0) { + if (results.size === 0) { return []; } - results.sort((aaa, bbb) => { + const userQuery = parsedQuery.userQuery; + const result_list = []; + for (const result of results.values()) { + result.word = searchWords[result.id]; + result.item = searchIndex[result.id] || {}; + result_list.push(result); + } + + result_list.sort((aaa, bbb) => { let a, b; // sort by exact match with regard to the last word (mismatch goes later) @@ -1060,7 +1069,7 @@ function initSearch(rawSearchIndex) { nameSplit = hasPath ? null : parsedQuery.elems[0].path; } - for (const result of results) { + for (const result of result_list) { // this validation does not make sense when searching by types if (result.dontValidate) { continue; @@ -1073,7 +1082,7 @@ function initSearch(rawSearchIndex) { result.id = -1; } } - return transformResults(results); + return transformResults(result_list); } /** @@ -1096,7 +1105,7 @@ function initSearch(rawSearchIndex) { // The names match, but we need to be sure that all generics kinda // match as well. if (elem.generics.length > 0 && row.generics.length >= elem.generics.length) { - const elems = Object.create(null); + const elems = new Map(); for (const entry of row.generics) { if (entry.name === "") { // Pure generic, needs to check into it. @@ -1106,39 +1115,34 @@ function initSearch(rawSearchIndex) { } continue; } - if (elems[entry.name] === undefined) { - elems[entry.name] = []; + let currentEntryElems; + if (elems.has(entry.name)) { + currentEntryElems = elems.get(entry.name); + } else { + currentEntryElems = []; + elems.set(entry.name, currentEntryElems); } - elems[entry.name].push(entry.ty); + currentEntryElems.push(entry); } // We need to find the type that matches the most to remove it in order // to move forward. const handleGeneric = generic => { - let match = null; - if (elems[generic.name]) { - match = generic.name; - } else { - for (const elem_name in elems) { - if (!hasOwnPropertyRustdoc(elems, elem_name)) { - continue; - } - if (elem_name === generic) { - match = elem_name; - break; - } - } - } - if (match === null) { + if (!elems.has(generic.name)) { return false; } - const matchIdx = elems[match].findIndex(tmp_elem => - typePassesFilter(generic.typeFilter, tmp_elem)); + const matchElems = elems.get(generic.name); + const matchIdx = matchElems.findIndex(tmp_elem => { + if (checkGenerics(tmp_elem, generic, 0, maxEditDistance) !== 0) { + return false; + } + return typePassesFilter(generic.typeFilter, tmp_elem.ty); + }); if (matchIdx === -1) { return false; } - elems[match].splice(matchIdx, 1); - if (elems[match].length === 0) { - delete elems[match]; + matchElems.splice(matchIdx, 1); + if (matchElems.length === 0) { + elems.delete(generic.name); } return true; }; @@ -1424,22 +1428,22 @@ function initSearch(rawSearchIndex) { const aliases = []; const crateAliases = []; if (filterCrates !== null) { - if (ALIASES[filterCrates] && ALIASES[filterCrates][lowerQuery]) { - const query_aliases = ALIASES[filterCrates][lowerQuery]; + if (ALIASES.has(filterCrates) && ALIASES.get(filterCrates).has(lowerQuery)) { + const query_aliases = ALIASES.get(filterCrates).get(lowerQuery); for (const alias of query_aliases) { aliases.push(createAliasFromItem(searchIndex[alias])); } } } else { - Object.keys(ALIASES).forEach(crate => { - if (ALIASES[crate][lowerQuery]) { + for (const [crate, crateAliasesIndex] of ALIASES) { + if (crateAliasesIndex.has(lowerQuery)) { const pushTo = crate === currentCrate ? crateAliases : aliases; - const query_aliases = ALIASES[crate][lowerQuery]; + const query_aliases = crateAliasesIndex.get(lowerQuery); for (const alias of query_aliases) { pushTo.push(createAliasFromItem(searchIndex[alias])); } } - }); + } } const sortFunc = (aaa, bbb) => { @@ -1496,19 +1500,19 @@ function initSearch(rawSearchIndex) { function addIntoResults(results, fullId, id, index, dist, path_dist, maxEditDistance) { const inBounds = dist <= maxEditDistance || index !== -1; if (dist === 0 || (!parsedQuery.literalSearch && inBounds)) { - if (results[fullId] !== undefined) { - const result = results[fullId]; + if (results.has(fullId)) { + const result = results.get(fullId); if (result.dontValidate || result.dist <= dist) { return; } } - results[fullId] = { + results.set(fullId, { id: id, index: index, dontValidate: parsedQuery.literalSearch, dist: dist, path_dist: path_dist, - }; + }); } } @@ -2345,17 +2349,22 @@ function initSearch(rawSearchIndex) { } if (aliases) { - ALIASES[crate] = Object.create(null); + const currentCrateAliases = new Map(); + ALIASES.set(crate, currentCrateAliases); for (const alias_name in aliases) { if (!hasOwnPropertyRustdoc(aliases, alias_name)) { continue; } - if (!hasOwnPropertyRustdoc(ALIASES[crate], alias_name)) { - ALIASES[crate][alias_name] = []; + let currentNameAliases; + if (currentCrateAliases.has(alias_name)) { + currentNameAliases = currentCrateAliases.get(alias_name); + } else { + currentNameAliases = []; + currentCrateAliases.set(alias_name, currentNameAliases); } for (const local_alias of aliases[alias_name]) { - ALIASES[crate][alias_name].push(local_alias + currentIndex); + currentNameAliases.push(local_alias + currentIndex); } } } diff --git a/src/librustdoc/html/static/js/source-script.js b/src/librustdoc/html/static/js/source-script.js index 6c0f03b5bb0..9aa75517330 100644 --- a/src/librustdoc/html/static/js/source-script.js +++ b/src/librustdoc/html/static/js/source-script.js @@ -15,8 +15,13 @@ const NAME_OFFSET = 0; const DIRS_OFFSET = 1; const FILES_OFFSET = 2; +// WARNING: RUSTDOC_MOBILE_BREAKPOINT MEDIA QUERY +// If you update this line, then you also need to update the media query with the same +// warning in rustdoc.css +const RUSTDOC_MOBILE_BREAKPOINT = 700; + function closeSidebarIfMobile() { - if (window.innerWidth < window.RUSTDOC_MOBILE_BREAKPOINT) { + if (window.innerWidth < RUSTDOC_MOBILE_BREAKPOINT) { updateLocalStorage("source-sidebar-show", "false"); } } @@ -69,12 +74,10 @@ function createDirEntry(elem, parent, fullPath, hasFoundFile) { function toggleSidebar() { const child = this.parentNode.children[0]; if (child.innerText === ">") { - window.rustdocMobileScrollLock(); addClass(document.documentElement, "source-sidebar-expanded"); child.innerText = "<"; updateLocalStorage("source-sidebar-show", "true"); } else { - window.rustdocMobileScrollUnlock(); removeClass(document.documentElement, "source-sidebar-expanded"); child.innerText = ">"; updateLocalStorage("source-sidebar-show", "false"); diff --git a/src/librustdoc/json/conversions.rs b/src/librustdoc/json/conversions.rs index c39caf73a93..edd046ab772 100644 --- a/src/librustdoc/json/conversions.rs +++ b/src/librustdoc/json/conversions.rs @@ -4,7 +4,6 @@ #![allow(rustc::default_hash_types)] -use std::convert::From; use std::fmt; use rustc_ast::ast; @@ -666,7 +665,7 @@ impl FromWithTcx<clean::Impl> for Impl { let clean::Impl { unsafety, generics, trait_, for_, items, polarity, kind } = impl_; // FIXME: use something like ImplKind in JSON? let (synthetic, blanket_impl) = match kind { - clean::ImplKind::Normal | clean::ImplKind::FakeVaradic => (false, None), + clean::ImplKind::Normal | clean::ImplKind::FakeVariadic => (false, None), clean::ImplKind::Auto => (true, None), clean::ImplKind::Blanket(ty) => (false, Some(*ty)), }; @@ -741,7 +740,7 @@ impl FromWithTcx<clean::Variant> for Variant { impl FromWithTcx<clean::Discriminant> for Discriminant { fn from_tcx(disr: clean::Discriminant, tcx: TyCtxt<'_>) -> Self { Discriminant { - // expr is only none if going through the inlineing path, which gets + // expr is only none if going through the inlining path, which gets // `rustc_middle` types, not `rustc_hir`, but because JSON never inlines // the expr is always some. expr: disr.expr(tcx).unwrap(), diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 79f53ee57cc..4a88dc5254d 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -7,7 +7,6 @@ #![feature(assert_matches)] #![feature(box_patterns)] #![feature(drain_filter)] -#![feature(is_terminal)] #![feature(let_chains)] #![feature(test)] #![feature(never_type)] @@ -15,6 +14,7 @@ #![feature(type_ascription)] #![feature(iter_intersperse)] #![feature(type_alias_impl_trait)] +#![cfg_attr(not(bootstrap), feature(impl_trait_in_assoc_type))] #![recursion_limit = "256"] #![warn(rustc::internal)] #![allow(clippy::collapsible_if, clippy::collapsible_else_if)] @@ -69,7 +69,6 @@ extern crate test; #[cfg(feature = "jemalloc")] extern crate jemalloc_sys; -use std::default::Default; use std::env::{self, VarError}; use std::io::{self, IsTerminal}; use std::process; @@ -284,7 +283,7 @@ fn opts() -> Vec<RustcOptGroup> { stable("test-args", |o| { o.optmulti("", "test-args", "arguments to pass to the test runner", "ARGS") }), - unstable("test-run-directory", |o| { + stable("test-run-directory", |o| { o.optopt( "", "test-run-directory", diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index 2cd9c8a8781..33e80df9ed7 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -1349,7 +1349,7 @@ impl LinkCollector<'_, '_> { if has_derive_trait_collision { candidates.macro_ns = None; } - candidates.into_iter().filter_map(|res| res).flatten().collect::<Vec<_>>() + candidates.into_iter().flatten().flatten().collect::<Vec<_>>() } } } @@ -1419,6 +1419,7 @@ impl Disambiguator { if let Some(idx) = link.find('@') { let (prefix, rest) = link.split_at(idx); let d = match prefix { + // If you update this list, please also update the relevant rustdoc book section! "struct" => Kind(DefKind::Struct), "enum" => Kind(DefKind::Enum), "trait" => Kind(DefKind::Trait), @@ -1437,6 +1438,7 @@ impl Disambiguator { Ok(Some((d, &rest[1..], &rest[1..]))) } else { let suffixes = [ + // If you update this list, please also update the relevant rustdoc book section! ("!()", DefKind::Macro(MacroKind::Bang)), ("!{}", DefKind::Macro(MacroKind::Bang)), ("![]", DefKind::Macro(MacroKind::Bang)), diff --git a/src/librustdoc/scrape_examples.rs b/src/librustdoc/scrape_examples.rs index f28c164d61d..dfa99ffcb7c 100644 --- a/src/librustdoc/scrape_examples.rs +++ b/src/librustdoc/scrape_examples.rs @@ -286,7 +286,7 @@ pub(crate) fn run( let (cx, _) = Context::init(krate, renderopts, cache, tcx).map_err(|e| e.to_string())?; // Collect CrateIds corresponding to provided target crates - // If two different versions of the crate in the dependency tree, then examples will be collcted from both. + // If two different versions of the crate in the dependency tree, then examples will be collected from both. let all_crates = tcx .crates(()) .iter() diff --git a/src/librustdoc/theme/tests.rs b/src/librustdoc/theme/tests.rs index 08a174d27d3..2a28c19c3fe 100644 --- a/src/librustdoc/theme/tests.rs +++ b/src/librustdoc/theme/tests.rs @@ -13,11 +13,11 @@ rule d // another line comment e {} -rule f/* a multine +rule f/* a multiline comment*/{} -rule g/* another multine +rule g/* another multiline comment*/h diff --git a/src/librustdoc/visit_ast.rs b/src/librustdoc/visit_ast.rs index 071a85f4da6..a6089680fae 100644 --- a/src/librustdoc/visit_ast.rs +++ b/src/librustdoc/visit_ast.rs @@ -136,7 +136,7 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> { // is declared but also a reexport of itself producing two exports of the same // macro in the same module. let mut inserted = FxHashSet::default(); - for export in self.cx.tcx.module_reexports(CRATE_DEF_ID) { + for export in self.cx.tcx.module_children_reexports(CRATE_DEF_ID) { if let Res::Def(DefKind::Macro(_), def_id) = export.res && let Some(local_def_id) = def_id.as_local() && self.cx.tcx.has_attr(def_id, sym::macro_export) && diff --git a/src/tools/bump-stage0/src/main.rs b/src/tools/bump-stage0/src/main.rs index f530a4d73d3..b007f9a22c3 100644 --- a/src/tools/bump-stage0/src/main.rs +++ b/src/tools/bump-stage0/src/main.rs @@ -2,7 +2,6 @@ use anyhow::{Context, Error}; use curl::easy::Easy; use indexmap::IndexMap; use std::collections::HashMap; -use std::convert::TryInto; const PATH: &str = "src/stage0.json"; const COMPILER_COMPONENTS: &[&str] = &["rustc", "rust-std", "cargo"]; diff --git a/src/tools/cargo b/src/tools/cargo -Subproject 7bf43f028ba5eb1f4d70d271c2546c38512c987 +Subproject d0a4cbcee614fdb7ba66e860e603a00a644d71f diff --git a/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs b/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs index 1d9096ea64d..8c3ad24eeed 100644 --- a/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs +++ b/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs @@ -41,7 +41,7 @@ fn extract_bool_lit(e: &Expr<'_>) -> Option<bool> { }) = e.kind && !e.span.from_expansion() { - Some(b) + Some(*b) } else { None } diff --git a/src/tools/clippy/clippy_lints/src/manual_strip.rs b/src/tools/clippy/clippy_lints/src/manual_strip.rs index c795c1d9a16..7d28c111624 100644 --- a/src/tools/clippy/clippy_lints/src/manual_strip.rs +++ b/src/tools/clippy/clippy_lints/src/manual_strip.rs @@ -159,7 +159,7 @@ fn eq_pattern_length<'tcx>(cx: &LateContext<'tcx>, pattern: &Expr<'_>, expr: &'t .. }) = expr.kind { - constant_length(cx, pattern).map_or(false, |length| length == n) + constant_length(cx, pattern).map_or(false, |length| length == *n) } else { len_arg(cx, expr).map_or(false, |arg| eq_expr_value(cx, pattern, arg)) } diff --git a/src/tools/clippy/clippy_lints/src/matches/match_like_matches.rs b/src/tools/clippy/clippy_lints/src/matches/match_like_matches.rs index 107fad32393..33bc20dad6b 100644 --- a/src/tools/clippy/clippy_lints/src/matches/match_like_matches.rs +++ b/src/tools/clippy/clippy_lints/src/matches/match_like_matches.rs @@ -162,7 +162,7 @@ fn find_bool_lit(ex: &ExprKind<'_>) -> Option<bool> { node: LitKind::Bool(b), .. }) = exp.kind { - Some(b) + Some(*b) } else { None } diff --git a/src/tools/clippy/clippy_lints/src/methods/open_options.rs b/src/tools/clippy/clippy_lints/src/methods/open_options.rs index c6a27cdd6fa..23d23f25f14 100644 --- a/src/tools/clippy/clippy_lints/src/methods/open_options.rs +++ b/src/tools/clippy/clippy_lints/src/methods/open_options.rs @@ -48,7 +48,7 @@ fn get_open_options(cx: &LateContext<'_>, argument: &Expr<'_>, options: &mut Vec .. } = *span { - if lit { Argument::True } else { Argument::False } + if *lit { Argument::True } else { Argument::False } } else { // The function is called with a literal which is not a boolean literal. // This is theoretically possible, but not very likely. diff --git a/src/tools/clippy/clippy_lints/src/utils/author.rs b/src/tools/clippy/clippy_lints/src/utils/author.rs index bc4adf1596d..2dac807c420 100644 --- a/src/tools/clippy/clippy_lints/src/utils/author.rs +++ b/src/tools/clippy/clippy_lints/src/utils/author.rs @@ -430,7 +430,7 @@ impl<'a, 'tcx> PrintVisitor<'a, 'tcx> { kind!("Unary(UnOp::{op:?}, {inner})"); self.expr(inner); }, - ExprKind::Lit(ref lit) => { + ExprKind::Lit(lit) => { bind!(self, lit); kind!("Lit(ref {lit})"); self.lit(lit); diff --git a/src/tools/clippy/tests/ui/crashes/ice-6252.stderr b/src/tools/clippy/tests/ui/crashes/ice-6252.stderr index efdd56dd47d..4787282f504 100644 --- a/src/tools/clippy/tests/ui/crashes/ice-6252.stderr +++ b/src/tools/clippy/tests/ui/crashes/ice-6252.stderr @@ -6,11 +6,11 @@ LL | _n: PhantomData, | help: consider importing one of these items | -LL | use core::marker::PhantomData; +LL + use core::marker::PhantomData; | -LL | use serde::__private::PhantomData; +LL + use serde::__private::PhantomData; | -LL | use std::marker::PhantomData; +LL + use std::marker::PhantomData; | error[E0412]: cannot find type `VAL` in this scope diff --git a/src/tools/clippy/tests/ui/derivable_impls.stderr b/src/tools/clippy/tests/ui/derivable_impls.stderr index 81963c3be5b..8089f5ea0fc 100644 --- a/src/tools/clippy/tests/ui/derivable_impls.stderr +++ b/src/tools/clippy/tests/ui/derivable_impls.stderr @@ -14,7 +14,8 @@ LL | | } = help: remove the manual implementation... help: ...and instead derive it | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | struct FooDefault<'a> { | error: this `impl` can be derived @@ -30,7 +31,8 @@ LL | | } = help: remove the manual implementation... help: ...and instead derive it | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | struct TupleDefault(bool, i32, u64); | error: this `impl` can be derived @@ -46,7 +48,8 @@ LL | | } = help: remove the manual implementation... help: ...and instead derive it | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | struct StrDefault<'a>(&'a str); | error: this `impl` can be derived @@ -62,7 +65,8 @@ LL | | } = help: remove the manual implementation... help: ...and instead derive it | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | struct Y(u32); | error: this `impl` can be derived @@ -78,7 +82,8 @@ LL | | } = help: remove the manual implementation... help: ...and instead derive it | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | struct WithoutSelfCurly { | error: this `impl` can be derived @@ -94,7 +99,8 @@ LL | | } = help: remove the manual implementation... help: ...and instead derive it | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | struct WithoutSelfParan(bool); | error: this `impl` can be derived @@ -110,7 +116,8 @@ LL | | } = help: remove the manual implementation... help: ...and instead derive it | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | pub struct RepeatDefault1 { | error: this `impl` can be derived @@ -126,7 +133,8 @@ LL | | } = help: remove the manual implementation... help: ...and instead derive it... | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | pub enum SimpleEnum { | help: ...and mark the default variant | diff --git a/src/tools/clippy/tests/ui/macro_use_imports.fixed b/src/tools/clippy/tests/ui/macro_use_imports.fixed index 15f7a099a7d..a395e4f5653 100644 --- a/src/tools/clippy/tests/ui/macro_use_imports.fixed +++ b/src/tools/clippy/tests/ui/macro_use_imports.fixed @@ -16,7 +16,7 @@ extern crate macro_use_helper as mac; extern crate proc_macro_derive as mini_mac; mod a { - use mac::{pub_macro, function_macro, ty_macro, inner_mod_macro, pub_in_private_macro}; + use mac::{pub_macro, inner_mod_macro, function_macro, ty_macro, pub_in_private_macro}; use mac; use mini_mac::ClippyMiniMacroTest; use mini_mac; diff --git a/src/tools/clippy/tests/ui/macro_use_imports.stderr b/src/tools/clippy/tests/ui/macro_use_imports.stderr index 68d558dede0..6fd338cef86 100644 --- a/src/tools/clippy/tests/ui/macro_use_imports.stderr +++ b/src/tools/clippy/tests/ui/macro_use_imports.stderr @@ -22,7 +22,7 @@ error: `macro_use` attributes are no longer needed in the Rust 2018 edition --> $DIR/macro_use_imports.rs:19:5 | LL | #[macro_use] - | ^^^^^^^^^^^^ help: remove the attribute and import the macro directly, try: `use mac::{pub_macro, function_macro, ty_macro, inner_mod_macro, pub_in_private_macro};` + | ^^^^^^^^^^^^ help: remove the attribute and import the macro directly, try: `use mac::{pub_macro, inner_mod_macro, function_macro, ty_macro, pub_in_private_macro};` error: aborting due to 4 previous errors diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs index d2f494942cf..3f36cc5bbcc 100644 --- a/src/tools/compiletest/src/common.rs +++ b/src/tools/compiletest/src/common.rs @@ -303,6 +303,9 @@ pub struct Config { /// The current Rust channel pub channel: String, + /// Whether adding git commit information such as the commit hash has been enabled for building + pub git_hash: bool, + /// The default Rust edition pub edition: Option<String>, diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index a7efe16150e..aaa70bf19b2 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -12,13 +12,24 @@ use tracing::*; use crate::common::{Config, Debugger, FailMode, Mode, PassMode}; use crate::header::cfg::parse_cfg_name_directive; use crate::header::cfg::MatchOutcome; -use crate::util; +use crate::header::needs::CachedNeedsConditions; use crate::{extract_cdb_version, extract_gdb_version}; mod cfg; +mod needs; #[cfg(test)] mod tests; +pub struct HeadersCache { + needs: CachedNeedsConditions, +} + +impl HeadersCache { + pub fn load(config: &Config) -> Self { + Self { needs: CachedNeedsConditions::load(config) } + } +} + /// Properties which must be known very early, before actually running /// the test. #[derive(Default)] @@ -36,7 +47,7 @@ impl EarlyProps { pub fn from_reader<R: Read>(config: &Config, testfile: &Path, rdr: R) -> Self { let mut props = EarlyProps::default(); - iter_header(testfile, rdr, &mut |_, ln| { + iter_header(testfile, rdr, &mut |_, ln, _| { config.push_name_value_directive(ln, directives::AUX_BUILD, &mut props.aux, |r| { r.trim().to_string() }); @@ -288,7 +299,7 @@ impl TestProps { if !testfile.is_dir() { let file = File::open(testfile).unwrap(); - iter_header(testfile, file, &mut |revision, ln| { + iter_header(testfile, file, &mut |revision, ln, _| { if revision.is_some() && revision != cfg { return; } @@ -582,7 +593,7 @@ pub fn line_directive<'line>( } } -fn iter_header<R: Read>(testfile: &Path, rdr: R, it: &mut dyn FnMut(Option<&str>, &str)) { +fn iter_header<R: Read>(testfile: &Path, rdr: R, it: &mut dyn FnMut(Option<&str>, &str, usize)) { if testfile.is_dir() { return; } @@ -591,8 +602,10 @@ fn iter_header<R: Read>(testfile: &Path, rdr: R, it: &mut dyn FnMut(Option<&str> let mut rdr = BufReader::new(rdr); let mut ln = String::new(); + let mut line_number = 0; loop { + line_number += 1; ln.clear(); if rdr.read_line(&mut ln).unwrap() == 0 { break; @@ -605,7 +618,7 @@ fn iter_header<R: Read>(testfile: &Path, rdr: R, it: &mut dyn FnMut(Option<&str> if ln.starts_with("fn") || ln.starts_with("mod") { return; } else if let Some((lncfg, ln)) = line_directive(comment, ln) { - it(lncfg, ln); + it(lncfg, ln, line_number); } } } @@ -665,21 +678,6 @@ impl Config { } } - fn parse_needs_matching_clang(&self, line: &str) -> bool { - self.parse_name_directive(line, "needs-matching-clang") - } - - fn parse_needs_profiler_support(&self, line: &str) -> bool { - self.parse_name_directive(line, "needs-profiler-support") - } - - fn has_cfg_prefix(&self, line: &str, prefix: &str) -> bool { - // returns whether this line contains this prefix or not. For prefix - // "ignore", returns true if line says "ignore-x86_64", "ignore-arch", - // "ignore-android" etc. - line.starts_with(prefix) && line.as_bytes().get(prefix.len()) == Some(&b'-') - } - fn parse_name_directive(&self, line: &str, directive: &str) -> bool { // Ensure the directive is a whole word. Do not match "ignore-x86" when // the line says "ignore-x86_64". @@ -867,155 +865,58 @@ where pub fn make_test_description<R: Read>( config: &Config, + cache: &HeadersCache, name: test::TestName, path: &Path, src: R, cfg: Option<&str>, + poisoned: &mut bool, ) -> test::TestDesc { let mut ignore = false; let mut ignore_message = None; let mut should_fail = false; - let rustc_has_profiler_support = env::var_os("RUSTC_PROFILER_SUPPORT").is_some(); - let rustc_has_sanitizer_support = env::var_os("RUSTC_SANITIZER_SUPPORT").is_some(); - let has_asm_support = config.has_asm_support(); - let has_asan = util::ASAN_SUPPORTED_TARGETS.contains(&&*config.target); - let has_cfi = util::CFI_SUPPORTED_TARGETS.contains(&&*config.target); - let has_kcfi = util::KCFI_SUPPORTED_TARGETS.contains(&&*config.target); - let has_kasan = util::KASAN_SUPPORTED_TARGETS.contains(&&*config.target); - let has_lsan = util::LSAN_SUPPORTED_TARGETS.contains(&&*config.target); - let has_msan = util::MSAN_SUPPORTED_TARGETS.contains(&&*config.target); - let has_tsan = util::TSAN_SUPPORTED_TARGETS.contains(&&*config.target); - let has_hwasan = util::HWASAN_SUPPORTED_TARGETS.contains(&&*config.target); - let has_memtag = util::MEMTAG_SUPPORTED_TARGETS.contains(&&*config.target); - let has_shadow_call_stack = util::SHADOWCALLSTACK_SUPPORTED_TARGETS.contains(&&*config.target); - let has_xray = util::XRAY_SUPPORTED_TARGETS.contains(&&*config.target); - - // For tests using the `needs-rust-lld` directive (e.g. for `-Zgcc-ld=lld`), we need to find - // whether `rust-lld` is present in the compiler under test. - // - // The --compile-lib-path is the path to host shared libraries, but depends on the OS. For - // example: - // - on linux, it can be <sysroot>/lib - // - on windows, it can be <sysroot>/bin - // - // However, `rust-lld` is only located under the lib path, so we look for it there. - let has_rust_lld = config - .compile_lib_path - .parent() - .expect("couldn't traverse to the parent of the specified --compile-lib-path") - .join("lib") - .join("rustlib") - .join(&config.target) - .join("bin") - .join(if config.host.contains("windows") { "rust-lld.exe" } else { "rust-lld" }) - .exists(); - - fn is_on_path(file: &'static str) -> impl Fn() -> bool { - move || env::split_paths(&env::var_os("PATH").unwrap()).any(|dir| dir.join(file).is_file()) - } - - // On Windows, dlltool.exe is used for all architectures. - #[cfg(windows)] - let (has_i686_dlltool, has_x86_64_dlltool) = - (is_on_path("dlltool.exe"), is_on_path("dlltool.exe")); - // For non-Windows, there are architecture specific dlltool binaries. - #[cfg(not(windows))] - let (has_i686_dlltool, has_x86_64_dlltool) = - (is_on_path("i686-w64-mingw32-dlltool"), is_on_path("x86_64-w64-mingw32-dlltool")); - - iter_header(path, src, &mut |revision, ln| { + iter_header(path, src, &mut |revision, ln, line_number| { if revision.is_some() && revision != cfg { return; } - macro_rules! reason { + + macro_rules! decision { ($e:expr) => { - ignore |= match $e { - true => { - ignore_message = Some(stringify!($e)); - true + match $e { + IgnoreDecision::Ignore { reason } => { + ignore = true; + // The ignore reason must be a &'static str, so we have to leak memory to + // create it. This is fine, as the header is parsed only at the start of + // compiletest so it won't grow indefinitely. + ignore_message = Some(&*Box::leak(Box::<str>::from(reason))); } - false => ignore, - } - }; - } - - { - let parsed = parse_cfg_name_directive(config, ln, "ignore"); - ignore = match parsed.outcome { - MatchOutcome::Match => { - let reason = parsed.pretty_reason.unwrap(); - // The ignore reason must be a &'static str, so we have to leak memory to - // create it. This is fine, as the header is parsed only at the start of - // compiletest so it won't grow indefinitely. - ignore_message = Some(Box::leak(Box::<str>::from(match parsed.comment { - Some(comment) => format!("ignored {reason} ({comment})"), - None => format!("ignored {reason}"), - })) as &str); - true + IgnoreDecision::Error { message } => { + eprintln!("error: {}:{line_number}: {message}", path.display()); + *poisoned = true; + return; + } + IgnoreDecision::Continue => {} } - MatchOutcome::NoMatch => ignore, - MatchOutcome::External => ignore, - MatchOutcome::Invalid => panic!("invalid line in {}: {ln}", path.display()), }; } - if config.has_cfg_prefix(ln, "only") { - let parsed = parse_cfg_name_directive(config, ln, "only"); - ignore = match parsed.outcome { - MatchOutcome::Match => ignore, - MatchOutcome::NoMatch => { - let reason = parsed.pretty_reason.unwrap(); - // The ignore reason must be a &'static str, so we have to leak memory to - // create it. This is fine, as the header is parsed only at the start of - // compiletest so it won't grow indefinitely. - ignore_message = Some(Box::leak(Box::<str>::from(match parsed.comment { - Some(comment) => format!("only executed {reason} ({comment})"), - None => format!("only executed {reason}"), - })) as &str); - true - } - MatchOutcome::External => ignore, - MatchOutcome::Invalid => panic!("invalid line in {}: {ln}", path.display()), - }; + decision!(cfg::handle_ignore(config, ln)); + decision!(cfg::handle_only(config, ln)); + decision!(needs::handle_needs(&cache.needs, config, ln)); + decision!(ignore_llvm(config, ln)); + decision!(ignore_cdb(config, ln)); + decision!(ignore_gdb(config, ln)); + decision!(ignore_lldb(config, ln)); + + if config.target == "wasm32-unknown-unknown" { + if config.parse_name_directive(ln, directives::CHECK_RUN_RESULTS) { + decision!(IgnoreDecision::Ignore { + reason: "ignored when checking the run results on WASM".into(), + }); + } } - reason!(ignore_llvm(config, ln)); - reason!( - config.run_clang_based_tests_with.is_none() && config.parse_needs_matching_clang(ln) - ); - reason!(!has_asm_support && config.parse_name_directive(ln, "needs-asm-support")); - reason!(!rustc_has_profiler_support && config.parse_needs_profiler_support(ln)); - reason!(!config.run_enabled() && config.parse_name_directive(ln, "needs-run-enabled")); - reason!( - !rustc_has_sanitizer_support - && config.parse_name_directive(ln, "needs-sanitizer-support") - ); - reason!(!has_asan && config.parse_name_directive(ln, "needs-sanitizer-address")); - reason!(!has_cfi && config.parse_name_directive(ln, "needs-sanitizer-cfi")); - reason!(!has_kcfi && config.parse_name_directive(ln, "needs-sanitizer-kcfi")); - reason!(!has_kasan && config.parse_name_directive(ln, "needs-sanitizer-kasan")); - reason!(!has_lsan && config.parse_name_directive(ln, "needs-sanitizer-leak")); - reason!(!has_msan && config.parse_name_directive(ln, "needs-sanitizer-memory")); - reason!(!has_tsan && config.parse_name_directive(ln, "needs-sanitizer-thread")); - reason!(!has_hwasan && config.parse_name_directive(ln, "needs-sanitizer-hwaddress")); - reason!(!has_memtag && config.parse_name_directive(ln, "needs-sanitizer-memtag")); - reason!( - !has_shadow_call_stack - && config.parse_name_directive(ln, "needs-sanitizer-shadow-call-stack") - ); - reason!(!config.can_unwind() && config.parse_name_directive(ln, "needs-unwind")); - reason!(!has_xray && config.parse_name_directive(ln, "needs-xray")); - reason!( - config.target == "wasm32-unknown-unknown" - && config.parse_name_directive(ln, directives::CHECK_RUN_RESULTS) - ); - reason!(config.debugger == Some(Debugger::Cdb) && ignore_cdb(config, ln)); - reason!(config.debugger == Some(Debugger::Gdb) && ignore_gdb(config, ln)); - reason!(config.debugger == Some(Debugger::Lldb) && ignore_lldb(config, ln)); - reason!(!has_rust_lld && config.parse_name_directive(ln, "needs-rust-lld")); - reason!(config.parse_name_directive(ln, "needs-i686-dlltool") && !has_i686_dlltool()); - reason!(config.parse_name_directive(ln, "needs-x86_64-dlltool") && !has_x86_64_dlltool()); should_fail |= config.parse_name_directive(ln, "should-fail"); }); @@ -1049,22 +950,34 @@ pub fn make_test_description<R: Read>( } } -fn ignore_cdb(config: &Config, line: &str) -> bool { +fn ignore_cdb(config: &Config, line: &str) -> IgnoreDecision { + if config.debugger != Some(Debugger::Cdb) { + return IgnoreDecision::Continue; + } + if let Some(actual_version) = config.cdb_version { - if let Some(min_version) = line.strip_prefix("min-cdb-version:").map(str::trim) { - let min_version = extract_cdb_version(min_version).unwrap_or_else(|| { - panic!("couldn't parse version range: {:?}", min_version); + if let Some(rest) = line.strip_prefix("min-cdb-version:").map(str::trim) { + let min_version = extract_cdb_version(rest).unwrap_or_else(|| { + panic!("couldn't parse version range: {:?}", rest); }); // Ignore if actual version is smaller than the minimum // required version - return actual_version < min_version; + if actual_version < min_version { + return IgnoreDecision::Ignore { + reason: format!("ignored when the CDB version is lower than {rest}"), + }; + } } } - false + IgnoreDecision::Continue } -fn ignore_gdb(config: &Config, line: &str) -> bool { +fn ignore_gdb(config: &Config, line: &str) -> IgnoreDecision { + if config.debugger != Some(Debugger::Gdb) { + return IgnoreDecision::Continue; + } + if let Some(actual_version) = config.gdb_version { if let Some(rest) = line.strip_prefix("min-gdb-version:").map(str::trim) { let (start_ver, end_ver) = extract_version_range(rest, extract_gdb_version) @@ -1077,7 +990,11 @@ fn ignore_gdb(config: &Config, line: &str) -> bool { } // Ignore if actual version is smaller than the minimum // required version - return actual_version < start_ver; + if actual_version < start_ver { + return IgnoreDecision::Ignore { + reason: format!("ignored when the GDB version is lower than {rest}"), + }; + } } else if let Some(rest) = line.strip_prefix("ignore-gdb-version:").map(str::trim) { let (min_version, max_version) = extract_version_range(rest, extract_gdb_version) .unwrap_or_else(|| { @@ -1088,32 +1005,47 @@ fn ignore_gdb(config: &Config, line: &str) -> bool { panic!("Malformed GDB version range: max < min") } - return actual_version >= min_version && actual_version <= max_version; + if actual_version >= min_version && actual_version <= max_version { + if min_version == max_version { + return IgnoreDecision::Ignore { + reason: format!("ignored when the GDB version is {rest}"), + }; + } else { + return IgnoreDecision::Ignore { + reason: format!("ignored when the GDB version is between {rest}"), + }; + } + } } } - false + IgnoreDecision::Continue } -fn ignore_lldb(config: &Config, line: &str) -> bool { +fn ignore_lldb(config: &Config, line: &str) -> IgnoreDecision { + if config.debugger != Some(Debugger::Lldb) { + return IgnoreDecision::Continue; + } + if let Some(actual_version) = config.lldb_version { - if let Some(min_version) = line.strip_prefix("min-lldb-version:").map(str::trim) { - let min_version = min_version.parse().unwrap_or_else(|e| { - panic!("Unexpected format of LLDB version string: {}\n{:?}", min_version, e); + if let Some(rest) = line.strip_prefix("min-lldb-version:").map(str::trim) { + let min_version = rest.parse().unwrap_or_else(|e| { + panic!("Unexpected format of LLDB version string: {}\n{:?}", rest, e); }); // Ignore if actual version is smaller the minimum required // version - actual_version < min_version - } else { - line.starts_with("rust-lldb") && !config.lldb_native_rust + if actual_version < min_version { + return IgnoreDecision::Ignore { + reason: format!("ignored when the LLDB version is {rest}"), + }; + } } - } else { - false } + IgnoreDecision::Continue } -fn ignore_llvm(config: &Config, line: &str) -> bool { +fn ignore_llvm(config: &Config, line: &str) -> IgnoreDecision { if config.system_llvm && line.starts_with("no-system-llvm") { - return true; + return IgnoreDecision::Ignore { reason: "ignored when the system LLVM is used".into() }; } if let Some(needed_components) = config.parse_name_value_directive(line, "needs-llvm-components") @@ -1126,7 +1058,9 @@ fn ignore_llvm(config: &Config, line: &str) -> bool { if env::var_os("COMPILETEST_NEEDS_ALL_LLVM_COMPONENTS").is_some() { panic!("missing LLVM component: {}", missing_component); } - return true; + return IgnoreDecision::Ignore { + reason: format!("ignored when the {missing_component} LLVM component is missing"), + }; } } if let Some(actual_version) = config.llvm_version { @@ -1134,12 +1068,20 @@ fn ignore_llvm(config: &Config, line: &str) -> bool { let min_version = extract_llvm_version(rest).unwrap(); // Ignore if actual version is smaller the minimum required // version - actual_version < min_version + if actual_version < min_version { + return IgnoreDecision::Ignore { + reason: format!("ignored when the LLVM version is older than {rest}"), + }; + } } else if let Some(rest) = line.strip_prefix("min-system-llvm-version:").map(str::trim) { let min_version = extract_llvm_version(rest).unwrap(); // Ignore if using system LLVM and actual version // is smaller the minimum required version - config.system_llvm && actual_version < min_version + if config.system_llvm && actual_version < min_version { + return IgnoreDecision::Ignore { + reason: format!("ignored when the system LLVM version is older than {rest}"), + }; + } } else if let Some(rest) = line.strip_prefix("ignore-llvm-version:").map(str::trim) { // Syntax is: "ignore-llvm-version: <version1> [- <version2>]" let (v_min, v_max) = @@ -1150,11 +1092,24 @@ fn ignore_llvm(config: &Config, line: &str) -> bool { panic!("Malformed LLVM version range: max < min") } // Ignore if version lies inside of range. - actual_version >= v_min && actual_version <= v_max - } else { - false + if actual_version >= v_min && actual_version <= v_max { + if v_min == v_max { + return IgnoreDecision::Ignore { + reason: format!("ignored when the LLVM version is {rest}"), + }; + } else { + return IgnoreDecision::Ignore { + reason: format!("ignored when the LLVM version is between {rest}"), + }; + } + } } - } else { - false } + IgnoreDecision::Continue +} + +enum IgnoreDecision { + Ignore { reason: String }, + Continue, + Error { message: String }, } diff --git a/src/tools/compiletest/src/header/cfg.rs b/src/tools/compiletest/src/header/cfg.rs index 3b9333dfe7a..a9694d4d52c 100644 --- a/src/tools/compiletest/src/header/cfg.rs +++ b/src/tools/compiletest/src/header/cfg.rs @@ -1,8 +1,43 @@ use crate::common::{CompareMode, Config, Debugger}; +use crate::header::IgnoreDecision; use std::collections::HashSet; const EXTRA_ARCHS: &[&str] = &["spirv"]; +pub(super) fn handle_ignore(config: &Config, line: &str) -> IgnoreDecision { + let parsed = parse_cfg_name_directive(config, line, "ignore"); + match parsed.outcome { + MatchOutcome::NoMatch => IgnoreDecision::Continue, + MatchOutcome::Match => IgnoreDecision::Ignore { + reason: match parsed.comment { + Some(comment) => format!("ignored {} ({comment})", parsed.pretty_reason.unwrap()), + None => format!("ignored {}", parsed.pretty_reason.unwrap()), + }, + }, + MatchOutcome::Invalid => IgnoreDecision::Error { message: format!("invalid line: {line}") }, + MatchOutcome::External => IgnoreDecision::Continue, + MatchOutcome::NotADirective => IgnoreDecision::Continue, + } +} + +pub(super) fn handle_only(config: &Config, line: &str) -> IgnoreDecision { + let parsed = parse_cfg_name_directive(config, line, "only"); + match parsed.outcome { + MatchOutcome::Match => IgnoreDecision::Continue, + MatchOutcome::NoMatch => IgnoreDecision::Ignore { + reason: match parsed.comment { + Some(comment) => { + format!("only executed {} ({comment})", parsed.pretty_reason.unwrap()) + } + None => format!("only executed {}", parsed.pretty_reason.unwrap()), + }, + }, + MatchOutcome::Invalid => IgnoreDecision::Error { message: format!("invalid line: {line}") }, + MatchOutcome::External => IgnoreDecision::Continue, + MatchOutcome::NotADirective => IgnoreDecision::Continue, + } +} + /// Parses a name-value directive which contains config-specific information, e.g., `ignore-x86` /// or `normalize-stderr-32bit`. pub(super) fn parse_cfg_name_directive<'a>( @@ -11,10 +46,10 @@ pub(super) fn parse_cfg_name_directive<'a>( prefix: &str, ) -> ParsedNameDirective<'a> { if !line.as_bytes().starts_with(prefix.as_bytes()) { - return ParsedNameDirective::invalid(); + return ParsedNameDirective::not_a_directive(); } if line.as_bytes().get(prefix.len()) != Some(&b'-') { - return ParsedNameDirective::invalid(); + return ParsedNameDirective::not_a_directive(); } let line = &line[prefix.len() + 1..]; @@ -24,7 +59,7 @@ pub(super) fn parse_cfg_name_directive<'a>( // Some of the matchers might be "" depending on what the target information is. To avoid // problems we outright reject empty directives. if name == "" { - return ParsedNameDirective::invalid(); + return ParsedNameDirective::not_a_directive(); } let mut outcome = MatchOutcome::Invalid; @@ -218,8 +253,13 @@ pub(super) struct ParsedNameDirective<'a> { } impl ParsedNameDirective<'_> { - fn invalid() -> Self { - Self { name: None, pretty_reason: None, comment: None, outcome: MatchOutcome::NoMatch } + fn not_a_directive() -> Self { + Self { + name: None, + pretty_reason: None, + comment: None, + outcome: MatchOutcome::NotADirective, + } } } @@ -233,6 +273,8 @@ pub(super) enum MatchOutcome { Invalid, /// The directive is handled by other parts of our tooling. External, + /// The line is not actually a directive. + NotADirective, } trait CustomContains { diff --git a/src/tools/compiletest/src/header/needs.rs b/src/tools/compiletest/src/header/needs.rs new file mode 100644 index 00000000000..81179480ed8 --- /dev/null +++ b/src/tools/compiletest/src/header/needs.rs @@ -0,0 +1,241 @@ +use crate::common::{Config, Debugger}; +use crate::header::IgnoreDecision; +use crate::util; + +pub(super) fn handle_needs( + cache: &CachedNeedsConditions, + config: &Config, + ln: &str, +) -> IgnoreDecision { + // Note thet we intentionally still put the needs- prefix here to make the file show up when + // grepping for a directive name, even though we could technically strip that. + let needs = &[ + Need { + name: "needs-asm-support", + condition: config.has_asm_support(), + ignore_reason: "ignored on targets without inline assembly support", + }, + Need { + name: "needs-sanitizer-support", + condition: cache.sanitizer_support, + ignore_reason: "ignored on targets without sanitizers support", + }, + Need { + name: "needs-sanitizer-address", + condition: cache.sanitizer_address, + ignore_reason: "ignored on targets without address sanitizer", + }, + Need { + name: "needs-sanitizer-cfi", + condition: cache.sanitizer_cfi, + ignore_reason: "ignored on targets without CFI sanitizer", + }, + Need { + name: "needs-sanitizer-kcfi", + condition: cache.sanitizer_kcfi, + ignore_reason: "ignored on targets without kernel CFI sanitizer", + }, + Need { + name: "needs-sanitizer-kasan", + condition: cache.sanitizer_kasan, + ignore_reason: "ignored on targets without kernel address sanitizer", + }, + Need { + name: "needs-sanitizer-leak", + condition: cache.sanitizer_leak, + ignore_reason: "ignored on targets without leak sanitizer", + }, + Need { + name: "needs-sanitizer-memory", + condition: cache.sanitizer_memory, + ignore_reason: "ignored on targets without memory sanitizer", + }, + Need { + name: "needs-sanitizer-thread", + condition: cache.sanitizer_thread, + ignore_reason: "ignored on targets without thread sanitizer", + }, + Need { + name: "needs-sanitizer-hwaddress", + condition: cache.sanitizer_hwaddress, + ignore_reason: "ignored on targets without hardware-assisted address sanitizer", + }, + Need { + name: "needs-sanitizer-memtag", + condition: cache.sanitizer_memtag, + ignore_reason: "ignored on targets without memory tagging sanitizer", + }, + Need { + name: "needs-sanitizer-shadow-call-stack", + condition: cache.sanitizer_shadow_call_stack, + ignore_reason: "ignored on targets without shadow call stacks", + }, + Need { + name: "needs-run-enabled", + condition: config.run_enabled(), + ignore_reason: "ignored when running the resulting test binaries is disabled", + }, + Need { + name: "needs-unwind", + condition: config.can_unwind(), + ignore_reason: "ignored on targets without unwinding support", + }, + Need { + name: "needs-profiler-support", + condition: std::env::var_os("RUSTC_PROFILER_SUPPORT").is_some(), + ignore_reason: "ignored when profiler support is disabled", + }, + Need { + name: "needs-matching-clang", + condition: config.run_clang_based_tests_with.is_some(), + ignore_reason: "ignored when the used clang does not match the built LLVM", + }, + Need { + name: "needs-xray", + condition: cache.xray, + ignore_reason: "ignored on targets without xray tracing", + }, + Need { + name: "needs-rust-lld", + condition: cache.rust_lld, + ignore_reason: "ignored on targets without Rust's LLD", + }, + Need { + name: "needs-rust-lldb", + condition: config.debugger != Some(Debugger::Lldb) || config.lldb_native_rust, + ignore_reason: "ignored on targets without Rust's LLDB", + }, + Need { + name: "needs-i686-dlltool", + condition: cache.i686_dlltool, + ignore_reason: "ignored when dlltool for i686 is not present", + }, + Need { + name: "needs-x86_64-dlltool", + condition: cache.x86_64_dlltool, + ignore_reason: "ignored when dlltool for x86_64 is not present", + }, + Need { + name: "needs-git-hash", + condition: config.git_hash, + ignore_reason: "ignored when git hashes have been omitted for building", + }, + ]; + + let (name, comment) = match ln.split_once([':', ' ']) { + Some((name, comment)) => (name, Some(comment)), + None => (ln, None), + }; + + if !name.starts_with("needs-") { + return IgnoreDecision::Continue; + } + + // Handled elsewhere. + if name == "needs-llvm-components" { + return IgnoreDecision::Continue; + } + + let mut found_valid = false; + for need in needs { + if need.name == name { + if need.condition { + found_valid = true; + break; + } else { + return IgnoreDecision::Ignore { + reason: if let Some(comment) = comment { + format!("{} ({comment})", need.ignore_reason) + } else { + need.ignore_reason.into() + }, + }; + } + } + } + + if found_valid { + IgnoreDecision::Continue + } else { + IgnoreDecision::Error { message: format!("invalid needs directive: {name}") } + } +} + +struct Need { + name: &'static str, + condition: bool, + ignore_reason: &'static str, +} + +pub(super) struct CachedNeedsConditions { + sanitizer_support: bool, + sanitizer_address: bool, + sanitizer_cfi: bool, + sanitizer_kcfi: bool, + sanitizer_kasan: bool, + sanitizer_leak: bool, + sanitizer_memory: bool, + sanitizer_thread: bool, + sanitizer_hwaddress: bool, + sanitizer_memtag: bool, + sanitizer_shadow_call_stack: bool, + xray: bool, + rust_lld: bool, + i686_dlltool: bool, + x86_64_dlltool: bool, +} + +impl CachedNeedsConditions { + pub(super) fn load(config: &Config) -> Self { + let path = std::env::var_os("PATH").expect("missing PATH environment variable"); + let path = std::env::split_paths(&path).collect::<Vec<_>>(); + + let target = &&*config.target; + Self { + sanitizer_support: std::env::var_os("RUSTC_SANITIZER_SUPPORT").is_some(), + sanitizer_address: util::ASAN_SUPPORTED_TARGETS.contains(target), + sanitizer_cfi: util::CFI_SUPPORTED_TARGETS.contains(target), + sanitizer_kcfi: util::KCFI_SUPPORTED_TARGETS.contains(target), + sanitizer_kasan: util::KASAN_SUPPORTED_TARGETS.contains(target), + sanitizer_leak: util::LSAN_SUPPORTED_TARGETS.contains(target), + sanitizer_memory: util::MSAN_SUPPORTED_TARGETS.contains(target), + sanitizer_thread: util::TSAN_SUPPORTED_TARGETS.contains(target), + sanitizer_hwaddress: util::HWASAN_SUPPORTED_TARGETS.contains(target), + sanitizer_memtag: util::MEMTAG_SUPPORTED_TARGETS.contains(target), + sanitizer_shadow_call_stack: util::SHADOWCALLSTACK_SUPPORTED_TARGETS.contains(target), + xray: util::XRAY_SUPPORTED_TARGETS.contains(target), + + // For tests using the `needs-rust-lld` directive (e.g. for `-Zgcc-ld=lld`), we need to find + // whether `rust-lld` is present in the compiler under test. + // + // The --compile-lib-path is the path to host shared libraries, but depends on the OS. For + // example: + // - on linux, it can be <sysroot>/lib + // - on windows, it can be <sysroot>/bin + // + // However, `rust-lld` is only located under the lib path, so we look for it there. + rust_lld: config + .compile_lib_path + .parent() + .expect("couldn't traverse to the parent of the specified --compile-lib-path") + .join("lib") + .join("rustlib") + .join(target) + .join("bin") + .join(if config.host.contains("windows") { "rust-lld.exe" } else { "rust-lld" }) + .exists(), + + // On Windows, dlltool.exe is used for all architectures. + #[cfg(windows)] + i686_dlltool: path.iter().any(|dir| dir.join("dlltool.exe").is_file()), + #[cfg(windows)] + x86_64_dlltool: path.iter().any(|dir| dir.join("dlltool.exe").is_file()), + + // For non-Windows, there are architecture specific dlltool binaries. + #[cfg(not(windows))] + i686_dlltool: path.iter().any(|dir| dir.join("i686-w64-mingw32-dlltool").is_file()), + #[cfg(not(windows))] + x86_64_dlltool: path.iter().any(|dir| dir.join("x86_64-w64-mingw32-dlltool").is_file()), + } + } +} diff --git a/src/tools/compiletest/src/header/tests.rs b/src/tools/compiletest/src/header/tests.rs index acd588d7fee..362fba11697 100644 --- a/src/tools/compiletest/src/header/tests.rs +++ b/src/tools/compiletest/src/header/tests.rs @@ -1,7 +1,25 @@ +use std::io::Read; use std::path::Path; use crate::common::{Config, Debugger}; -use crate::header::{make_test_description, parse_normalization_string, EarlyProps}; +use crate::header::{parse_normalization_string, EarlyProps, HeadersCache}; + +fn make_test_description<R: Read>( + config: &Config, + name: test::TestName, + path: &Path, + src: R, + cfg: Option<&str>, +) -> test::TestDesc { + let cache = HeadersCache::load(config); + let mut poisoned = false; + let test = + crate::header::make_test_description(config, &cache, name, path, src, cfg, &mut poisoned); + if poisoned { + panic!("poisoned!"); + } + test +} #[test] fn test_parse_normalization_string() { @@ -234,6 +252,16 @@ fn debugger() { } #[test] +fn git_hash() { + let mut config = config(); + config.git_hash = false; + assert!(check_ignore(&config, "// needs-git-hash")); + + config.git_hash = true; + assert!(!check_ignore(&config, "// needs-git-hash")); +} + +#[test] fn sanitizers() { let mut config = config(); diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs index 6a91d25a824..c4bef998f31 100644 --- a/src/tools/compiletest/src/main.rs +++ b/src/tools/compiletest/src/main.rs @@ -25,6 +25,7 @@ use tracing::*; use walkdir::WalkDir; use self::header::{make_test_description, EarlyProps}; +use crate::header::HeadersCache; use std::sync::Arc; #[cfg(test)] @@ -158,6 +159,7 @@ pub fn parse_config(args: Vec<String>) -> Config { .optflag("", "nocapture", "") .optflag("h", "help", "show this message") .reqopt("", "channel", "current Rust channel", "CHANNEL") + .optflag("", "git-hash", "run tests which rely on commit version being compiled into the binaries") .optopt("", "edition", "default Rust edition", "EDITION"); let (argv0, args_) = args.split_first().unwrap(); @@ -301,6 +303,7 @@ pub fn parse_config(args: Vec<String>) -> Config { rustfix_coverage: matches.opt_present("rustfix-coverage"), has_tidy, channel: matches.opt_str("channel").unwrap(), + git_hash: matches.opt_present("git-hash"), edition: matches.opt_str("edition"), cc: matches.opt_str("cc").unwrap(), @@ -558,16 +561,26 @@ pub fn make_tests( let modified_tests = modified_tests(&config, &config.src_base).unwrap_or_else(|err| { panic!("modified_tests got error from dir: {}, error: {}", config.src_base.display(), err) }); + + let cache = HeadersCache::load(&config); + let mut poisoned = false; collect_tests_from_dir( config.clone(), + &cache, &config.src_base, &PathBuf::new(), &inputs, tests, found_paths, &modified_tests, + &mut poisoned, ) .unwrap_or_else(|_| panic!("Could not read tests from {}", config.src_base.display())); + + if poisoned { + eprintln!(); + panic!("there are errors in tests"); + } } /// Returns a stamp constructed from input files common to all test cases. @@ -631,12 +644,14 @@ fn modified_tests(config: &Config, dir: &Path) -> Result<Vec<PathBuf>, String> { fn collect_tests_from_dir( config: Arc<Config>, + cache: &HeadersCache, dir: &Path, relative_dir_path: &Path, inputs: &Stamp, tests: &mut Vec<test::TestDescAndFn>, found_paths: &mut BTreeSet<PathBuf>, modified_tests: &Vec<PathBuf>, + poisoned: &mut bool, ) -> io::Result<()> { // Ignore directories that contain a file named `compiletest-ignore-dir`. if dir.join("compiletest-ignore-dir").exists() { @@ -648,7 +663,7 @@ fn collect_tests_from_dir( file: dir.to_path_buf(), relative_dir: relative_dir_path.parent().unwrap().to_path_buf(), }; - tests.extend(make_test(config, &paths, inputs)); + tests.extend(make_test(config, cache, &paths, inputs, poisoned)); return Ok(()); } @@ -674,19 +689,21 @@ fn collect_tests_from_dir( let paths = TestPaths { file: file_path, relative_dir: relative_dir_path.to_path_buf() }; - tests.extend(make_test(config.clone(), &paths, inputs)) + tests.extend(make_test(config.clone(), cache, &paths, inputs, poisoned)) } else if file_path.is_dir() { let relative_file_path = relative_dir_path.join(file.file_name()); if &file_name != "auxiliary" { debug!("found directory: {:?}", file_path.display()); collect_tests_from_dir( config.clone(), + cache, &file_path, &relative_file_path, inputs, tests, found_paths, modified_tests, + poisoned, )?; } } else { @@ -711,8 +728,10 @@ pub fn is_test(file_name: &OsString) -> bool { fn make_test( config: Arc<Config>, + cache: &HeadersCache, testpaths: &TestPaths, inputs: &Stamp, + poisoned: &mut bool, ) -> Vec<test::TestDescAndFn> { let test_path = if config.mode == Mode::RunMake { // Parse directives in the Makefile @@ -729,6 +748,7 @@ fn make_test( } else { early_props.revisions.iter().map(Some).collect() }; + revisions .into_iter() .map(|revision| { @@ -736,7 +756,9 @@ fn make_test( std::fs::File::open(&test_path).expect("open test file to parse ignores"); let cfg = revision.map(|v| &**v); let test_name = crate::make_test_name(&config, testpaths, revision); - let mut desc = make_test_description(&config, test_name, &test_path, src_file, cfg); + let mut desc = make_test_description( + &config, cache, test_name, &test_path, src_file, cfg, poisoned, + ); // Ignore tests that already run and are up to date with respect to inputs. if !config.force_rerun { desc.ignore |= is_up_to_date( diff --git a/src/tools/miri/README.md b/src/tools/miri/README.md index 4c735187987..04a1d939d2e 100644 --- a/src/tools/miri/README.md +++ b/src/tools/miri/README.md @@ -301,6 +301,15 @@ environment variable. We first document the most relevant and most commonly used * `-Zmiri-disable-isolation` disables host isolation. As a consequence, the program has access to host resources such as environment variables, file systems, and randomness. +* `-Zmiri-disable-leak-backtraces` disables backtraces reports for memory leaks. By default, a + backtrace is captured for every allocation when it is created, just in case it leaks. This incurs + some memory overhead to store data that is almost never used. This flag is implied by + `-Zmiri-ignore-leaks`. +* `-Zmiri-env-forward=<var>` forwards the `var` environment variable to the interpreted program. Can + be used multiple times to forward several variables. Execution will still be deterministic if the + value of forwarded variables stays the same. Has no effect if `-Zmiri-disable-isolation` is set. +* `-Zmiri-ignore-leaks` disables the memory leak checker, and also allows some + remaining threads to exist when the main thread exits. * `-Zmiri-isolation-error=<action>` configures Miri's response to operations requiring host access while isolation is enabled. `abort`, `hide`, `warn`, and `warn-nobacktrace` are the supported actions. The default is to `abort`, @@ -308,11 +317,6 @@ environment variable. We first document the most relevant and most commonly used execution with a "permission denied" error being returned to the program. `warn` prints a full backtrace when that happens; `warn-nobacktrace` is less verbose. `hide` hides the warning entirely. -* `-Zmiri-env-forward=<var>` forwards the `var` environment variable to the interpreted program. Can - be used multiple times to forward several variables. Execution will still be deterministic if the - value of forwarded variables stays the same. Has no effect if `-Zmiri-disable-isolation` is set. -* `-Zmiri-ignore-leaks` disables the memory leak checker, and also allows some - remaining threads to exist when the main thread exits. * `-Zmiri-num-cpus` states the number of available CPUs to be reported by miri. By default, the number of available CPUs is `1`. Note that this flag does not affect how miri handles threads in any way. diff --git a/src/tools/miri/src/bin/miri.rs b/src/tools/miri/src/bin/miri.rs index 26a7ead2407..3aa71bb7e3c 100644 --- a/src/tools/miri/src/bin/miri.rs +++ b/src/tools/miri/src/bin/miri.rs @@ -359,6 +359,8 @@ fn main() { isolation_enabled = Some(false); } miri_config.isolated_op = miri::IsolatedOp::Allow; + } else if arg == "-Zmiri-disable-leak-backtraces" { + miri_config.collect_leak_backtraces = false; } else if arg == "-Zmiri-disable-weak-memory-emulation" { miri_config.weak_memory_emulation = false; } else if arg == "-Zmiri-track-weak-memory-loads" { @@ -385,6 +387,7 @@ fn main() { }; } else if arg == "-Zmiri-ignore-leaks" { miri_config.ignore_leaks = true; + miri_config.collect_leak_backtraces = false; } else if arg == "-Zmiri-panic-on-unsupported" { miri_config.panic_on_unsupported = true; } else if arg == "-Zmiri-tag-raw-pointers" { diff --git a/src/tools/miri/src/borrow_tracker/mod.rs b/src/tools/miri/src/borrow_tracker/mod.rs index ed958329f95..d54adb72887 100644 --- a/src/tools/miri/src/borrow_tracker/mod.rs +++ b/src/tools/miri/src/borrow_tracker/mod.rs @@ -352,7 +352,7 @@ pub enum AllocState { TreeBorrows(Box<RefCell<tree_borrows::AllocState>>), } -impl machine::AllocExtra { +impl machine::AllocExtra<'_> { #[track_caller] pub fn borrow_tracker_sb(&self) -> &RefCell<stacked_borrows::AllocState> { match self.borrow_tracker { diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs index 3c13118122c..7a726be00da 100644 --- a/src/tools/miri/src/diagnostics.rs +++ b/src/tools/miri/src/diagnostics.rs @@ -105,7 +105,7 @@ pub enum NonHaltingDiagnostic { } /// Level of Miri specific diagnostics -enum DiagLevel { +pub enum DiagLevel { Error, Warning, Note, @@ -114,7 +114,7 @@ enum DiagLevel { /// Attempts to prune a stacktrace to omit the Rust runtime, and returns a bool indicating if any /// frames were pruned. If the stacktrace does not have any local frames, we conclude that it must /// be pointing to a problem in the Rust runtime itself, and do not prune it at all. -fn prune_stacktrace<'tcx>( +pub fn prune_stacktrace<'tcx>( mut stacktrace: Vec<FrameInfo<'tcx>>, machine: &MiriMachine<'_, 'tcx>, ) -> (Vec<FrameInfo<'tcx>>, bool) { @@ -338,12 +338,45 @@ pub fn report_error<'tcx, 'mir>( None } +pub fn report_leaks<'mir, 'tcx>( + ecx: &InterpCx<'mir, 'tcx, MiriMachine<'mir, 'tcx>>, + leaks: Vec<(AllocId, MemoryKind<MiriMemoryKind>, Allocation<Provenance, AllocExtra<'tcx>>)>, +) { + let mut any_pruned = false; + for (id, kind, mut alloc) in leaks { + let Some(backtrace) = alloc.extra.backtrace.take() else { + continue; + }; + let (backtrace, pruned) = prune_stacktrace(backtrace, &ecx.machine); + any_pruned |= pruned; + report_msg( + DiagLevel::Error, + &format!( + "memory leaked: {id:?} ({}, size: {:?}, align: {:?}), allocated here:", + kind, + alloc.size().bytes(), + alloc.align.bytes() + ), + vec![], + vec![], + vec![], + &backtrace, + &ecx.machine, + ); + } + if any_pruned { + ecx.tcx.sess.diagnostic().note_without_error( + "some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace", + ); + } +} + /// Report an error or note (depending on the `error` argument) with the given stacktrace. /// Also emits a full stacktrace of the interpreter stack. /// We want to present a multi-line span message for some errors. Diagnostics do not support this /// directly, so we pass the lines as a `Vec<String>` and display each line after the first with an /// additional `span_label` or `note` call. -fn report_msg<'tcx>( +pub fn report_msg<'tcx>( diag_level: DiagLevel, title: &str, span_msg: Vec<String>, diff --git a/src/tools/miri/src/eval.rs b/src/tools/miri/src/eval.rs index a32b18595b5..defd37c3775 100644 --- a/src/tools/miri/src/eval.rs +++ b/src/tools/miri/src/eval.rs @@ -10,6 +10,7 @@ use std::thread; use log::info; use crate::borrow_tracker::RetagFields; +use crate::diagnostics::report_leaks; use rustc_data_structures::fx::FxHashSet; use rustc_hir::def::Namespace; use rustc_hir::def_id::DefId; @@ -145,6 +146,8 @@ pub struct MiriConfig { pub num_cpus: u32, /// Requires Miri to emulate pages of a certain size pub page_size: Option<u64>, + /// Whether to collect a backtrace when each allocation is created, just in case it leaks. + pub collect_leak_backtraces: bool, } impl Default for MiriConfig { @@ -179,6 +182,7 @@ impl Default for MiriConfig { gc_interval: 10_000, num_cpus: 1, page_size: None, + collect_leak_backtraces: true, } } } @@ -457,10 +461,17 @@ pub fn eval_entry<'tcx>( } // Check for memory leaks. info!("Additonal static roots: {:?}", ecx.machine.static_roots); - let leaks = ecx.leak_report(&ecx.machine.static_roots); - if leaks != 0 { - tcx.sess.err("the evaluated program leaked memory"); - tcx.sess.note_without_error("pass `-Zmiri-ignore-leaks` to disable this check"); + let leaks = ecx.find_leaked_allocations(&ecx.machine.static_roots); + if !leaks.is_empty() { + report_leaks(&ecx, leaks); + let leak_message = "the evaluated program leaked memory, pass `-Zmiri-ignore-leaks` to disable this check"; + if ecx.machine.collect_leak_backtraces { + // If we are collecting leak backtraces, each leak is a distinct error diagnostic. + tcx.sess.note_without_error(leak_message); + } else { + // If we do not have backtraces, we just report an error without any span. + tcx.sess.err(leak_message); + }; // Ignore the provided return code - let the reported error // determine the return code. return None; diff --git a/src/tools/miri/src/lib.rs b/src/tools/miri/src/lib.rs index 5c8aba6d441..f67a718ba73 100644 --- a/src/tools/miri/src/lib.rs +++ b/src/tools/miri/src/lib.rs @@ -7,7 +7,6 @@ #![feature(yeet_expr)] #![feature(nonzero_ops)] #![feature(local_key_cell_methods)] -#![feature(is_terminal)] #![feature(round_ties_even)] // Configure clippy and other lints #![allow( diff --git a/src/tools/miri/src/machine.rs b/src/tools/miri/src/machine.rs index 477d8d33ebb..ecb3e13dd54 100644 --- a/src/tools/miri/src/machine.rs +++ b/src/tools/miri/src/machine.rs @@ -253,20 +253,25 @@ impl ProvenanceExtra { /// Extra per-allocation data #[derive(Debug, Clone)] -pub struct AllocExtra { +pub struct AllocExtra<'tcx> { /// Global state of the borrow tracker, if enabled. pub borrow_tracker: Option<borrow_tracker::AllocState>, - /// Data race detection via the use of a vector-clock, - /// this is only added if it is enabled. + /// Data race detection via the use of a vector-clock. + /// This is only added if it is enabled. pub data_race: Option<data_race::AllocState>, - /// Weak memory emulation via the use of store buffers, - /// this is only added if it is enabled. + /// Weak memory emulation via the use of store buffers. + /// This is only added if it is enabled. pub weak_memory: Option<weak_memory::AllocState>, + /// A backtrace to where this allocation was allocated. + /// As this is recorded for leak reports, it only exists + /// if this allocation is leakable. The backtrace is not + /// pruned yet; that should be done before printing it. + pub backtrace: Option<Vec<FrameInfo<'tcx>>>, } -impl VisitTags for AllocExtra { +impl VisitTags for AllocExtra<'_> { fn visit_tags(&self, visit: &mut dyn FnMut(BorTag)) { - let AllocExtra { borrow_tracker, data_race, weak_memory } = self; + let AllocExtra { borrow_tracker, data_race, weak_memory, backtrace: _ } = self; borrow_tracker.visit_tags(visit); data_race.visit_tags(visit); @@ -467,12 +472,17 @@ pub struct MiriMachine<'mir, 'tcx> { pub(crate) gc_interval: u32, /// The number of blocks that passed since the last BorTag GC pass. pub(crate) since_gc: u32, + /// The number of CPUs to be reported by miri. pub(crate) num_cpus: u32, + /// Determines Miri's page size and associated values pub(crate) page_size: u64, pub(crate) stack_addr: u64, pub(crate) stack_size: u64, + + /// Whether to collect a backtrace when each allocation is created, just in case it leaks. + pub(crate) collect_leak_backtraces: bool, } impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { @@ -581,6 +591,7 @@ impl<'mir, 'tcx> MiriMachine<'mir, 'tcx> { page_size, stack_addr, stack_size, + collect_leak_backtraces: config.collect_leak_backtraces, } } @@ -728,6 +739,7 @@ impl VisitTags for MiriMachine<'_, '_> { page_size: _, stack_addr: _, stack_size: _, + collect_leak_backtraces: _, } = self; threads.visit_tags(visit); @@ -773,7 +785,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { type ExtraFnVal = Dlsym; type FrameExtra = FrameExtra<'tcx>; - type AllocExtra = AllocExtra; + type AllocExtra = AllocExtra<'tcx>; type Provenance = Provenance; type ProvenanceExtra = ProvenanceExtra; @@ -967,9 +979,24 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { ) }); let buffer_alloc = ecx.machine.weak_memory.then(weak_memory::AllocState::new_allocation); + + // If an allocation is leaked, we want to report a backtrace to indicate where it was + // allocated. We don't need to record a backtrace for allocations which are allowed to + // leak. + let backtrace = if kind.may_leak() || !ecx.machine.collect_leak_backtraces { + None + } else { + Some(ecx.generate_stacktrace()) + }; + let alloc: Allocation<Provenance, Self::AllocExtra> = alloc.adjust_from_tcx( &ecx.tcx, - AllocExtra { borrow_tracker, data_race: race_alloc, weak_memory: buffer_alloc }, + AllocExtra { + borrow_tracker, + data_race: race_alloc, + weak_memory: buffer_alloc, + backtrace, + }, |ptr| ecx.global_base_pointer(ptr), )?; Ok(Cow::Owned(alloc)) @@ -1049,7 +1076,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { fn before_memory_read( _tcx: TyCtxt<'tcx>, machine: &Self, - alloc_extra: &AllocExtra, + alloc_extra: &AllocExtra<'tcx>, (alloc_id, prov_extra): (AllocId, Self::ProvenanceExtra), range: AllocRange, ) -> InterpResult<'tcx> { @@ -1069,7 +1096,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { fn before_memory_write( _tcx: TyCtxt<'tcx>, machine: &mut Self, - alloc_extra: &mut AllocExtra, + alloc_extra: &mut AllocExtra<'tcx>, (alloc_id, prov_extra): (AllocId, Self::ProvenanceExtra), range: AllocRange, ) -> InterpResult<'tcx> { @@ -1089,7 +1116,7 @@ impl<'mir, 'tcx> Machine<'mir, 'tcx> for MiriMachine<'mir, 'tcx> { fn before_memory_deallocation( _tcx: TyCtxt<'tcx>, machine: &mut Self, - alloc_extra: &mut AllocExtra, + alloc_extra: &mut AllocExtra<'tcx>, (alloc_id, prove_extra): (AllocId, Self::ProvenanceExtra), range: AllocRange, ) -> InterpResult<'tcx> { diff --git a/src/tools/miri/src/tag_gc.rs b/src/tools/miri/src/tag_gc.rs index c1194fe2216..cefdcc2b5b8 100644 --- a/src/tools/miri/src/tag_gc.rs +++ b/src/tools/miri/src/tag_gc.rs @@ -125,7 +125,7 @@ impl VisitTags for Operand<Provenance> { } } -impl VisitTags for Allocation<Provenance, AllocExtra> { +impl VisitTags for Allocation<Provenance, AllocExtra<'_>> { fn visit_tags(&self, visit: &mut dyn FnMut(BorTag)) { for prov in self.provenance().provenances() { prov.visit_tags(visit); diff --git a/src/tools/miri/tests/fail/memleak.rs b/src/tools/miri/tests/fail/memleak.rs index d384caf81a5..cbeb163b56c 100644 --- a/src/tools/miri/tests/fail/memleak.rs +++ b/src/tools/miri/tests/fail/memleak.rs @@ -1,4 +1,4 @@ -//@error-pattern: the evaluated program leaked memory +//@error-pattern: memory leaked //@normalize-stderr-test: ".*│.*" -> "$$stripped$$" fn main() { diff --git a/src/tools/miri/tests/fail/memleak.stderr b/src/tools/miri/tests/fail/memleak.stderr index f8b62af3eb8..6d9b664c8f4 100644 --- a/src/tools/miri/tests/fail/memleak.stderr +++ b/src/tools/miri/tests/fail/memleak.stderr @@ -1,10 +1,23 @@ -The following memory was leaked: ALLOC (Rust heap, size: 4, align: 4) { -$stripped$ -} +error: memory leaked: ALLOC (Rust heap, size: 4, align: 4), allocated here: + --> RUSTLIB/alloc/src/alloc.rs:LL:CC + | +LL | unsafe { __rust_alloc(layout.size(), layout.align()) } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: inside `std::alloc::alloc` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `std::alloc::Global::alloc_impl` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `<std::alloc::Global as std::alloc::Allocator>::allocate` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `alloc::alloc::exchange_malloc` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `std::boxed::Box::<i32>::new` at RUSTLIB/alloc/src/boxed.rs:LL:CC +note: inside `main` + --> $DIR/memleak.rs:LL:CC + | +LL | std::mem::forget(Box::new(42)); + | ^^^^^^^^^^^^ -error: the evaluated program leaked memory +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace -note: pass `-Zmiri-ignore-leaks` to disable this check +note: the evaluated program leaked memory, pass `-Zmiri-ignore-leaks` to disable this check error: aborting due to previous error diff --git a/src/tools/miri/tests/fail/memleak_no_backtrace.rs b/src/tools/miri/tests/fail/memleak_no_backtrace.rs new file mode 100644 index 00000000000..24d4a02df71 --- /dev/null +++ b/src/tools/miri/tests/fail/memleak_no_backtrace.rs @@ -0,0 +1,7 @@ +//@compile-flags: -Zmiri-disable-leak-backtraces +//@error-pattern: the evaluated program leaked memory +//@normalize-stderr-test: ".*│.*" -> "$$stripped$$" + +fn main() { + std::mem::forget(Box::new(42)); +} diff --git a/src/tools/miri/tests/fail/memleak_no_backtrace.stderr b/src/tools/miri/tests/fail/memleak_no_backtrace.stderr new file mode 100644 index 00000000000..f44e6ce0797 --- /dev/null +++ b/src/tools/miri/tests/fail/memleak_no_backtrace.stderr @@ -0,0 +1,4 @@ +error: the evaluated program leaked memory, pass `-Zmiri-ignore-leaks` to disable this check + +error: aborting due to previous error + diff --git a/src/tools/miri/tests/fail/memleak_rc.32bit.stderr b/src/tools/miri/tests/fail/memleak_rc.32bit.stderr index da222609091..0e1146cf4ad 100644 --- a/src/tools/miri/tests/fail/memleak_rc.32bit.stderr +++ b/src/tools/miri/tests/fail/memleak_rc.32bit.stderr @@ -1,10 +1,24 @@ -The following memory was leaked: ALLOC (Rust heap, size: 16, align: 4) { -$stripped$ -} +error: memory leaked: ALLOC (Rust heap, size: 16, align: 4), allocated here: + --> RUSTLIB/alloc/src/alloc.rs:LL:CC + | +LL | unsafe { __rust_alloc(layout.size(), layout.align()) } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: inside `std::alloc::alloc` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `std::alloc::Global::alloc_impl` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `<std::alloc::Global as std::alloc::Allocator>::allocate` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `alloc::alloc::exchange_malloc` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `std::boxed::Box::<std::rc::RcBox<std::cell::RefCell<std::option::Option<Dummy>>>>::new` at RUSTLIB/alloc/src/boxed.rs:LL:CC + = note: inside `std::rc::Rc::<std::cell::RefCell<std::option::Option<Dummy>>>::new` at RUSTLIB/alloc/src/rc.rs:LL:CC +note: inside `main` + --> $DIR/memleak_rc.rs:LL:CC + | +LL | let x = Dummy(Rc::new(RefCell::new(None))); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: the evaluated program leaked memory +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace -note: pass `-Zmiri-ignore-leaks` to disable this check +note: the evaluated program leaked memory, pass `-Zmiri-ignore-leaks` to disable this check error: aborting due to previous error diff --git a/src/tools/miri/tests/fail/memleak_rc.64bit.stderr b/src/tools/miri/tests/fail/memleak_rc.64bit.stderr index 8c24bbc779b..4979588f370 100644 --- a/src/tools/miri/tests/fail/memleak_rc.64bit.stderr +++ b/src/tools/miri/tests/fail/memleak_rc.64bit.stderr @@ -1,11 +1,24 @@ -The following memory was leaked: ALLOC (Rust heap, size: 32, align: 8) { -$stripped$ -$stripped$ -} +error: memory leaked: ALLOC (Rust heap, size: 32, align: 8), allocated here: + --> RUSTLIB/alloc/src/alloc.rs:LL:CC + | +LL | unsafe { __rust_alloc(layout.size(), layout.align()) } + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: inside `std::alloc::alloc` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `std::alloc::Global::alloc_impl` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `<std::alloc::Global as std::alloc::Allocator>::allocate` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `alloc::alloc::exchange_malloc` at RUSTLIB/alloc/src/alloc.rs:LL:CC + = note: inside `std::boxed::Box::<std::rc::RcBox<std::cell::RefCell<std::option::Option<Dummy>>>>::new` at RUSTLIB/alloc/src/boxed.rs:LL:CC + = note: inside `std::rc::Rc::<std::cell::RefCell<std::option::Option<Dummy>>>::new` at RUSTLIB/alloc/src/rc.rs:LL:CC +note: inside `main` + --> $DIR/memleak_rc.rs:LL:CC + | +LL | let x = Dummy(Rc::new(RefCell::new(None))); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ -error: the evaluated program leaked memory +note: some details are omitted, run with `MIRIFLAGS=-Zmiri-backtrace=full` for a verbose backtrace -note: pass `-Zmiri-ignore-leaks` to disable this check +note: the evaluated program leaked memory, pass `-Zmiri-ignore-leaks` to disable this check error: aborting due to previous error diff --git a/src/tools/miri/tests/fail/memleak_rc.rs b/src/tools/miri/tests/fail/memleak_rc.rs index 76ecd71b011..cf4671912ad 100644 --- a/src/tools/miri/tests/fail/memleak_rc.rs +++ b/src/tools/miri/tests/fail/memleak_rc.rs @@ -1,4 +1,4 @@ -//@error-pattern: the evaluated program leaked memory +//@error-pattern: memory leaked //@stderr-per-bitwidth //@normalize-stderr-test: ".*│.*" -> "$$stripped$$" diff --git a/src/tools/miri/tests/pass/shims/fs.rs b/src/tools/miri/tests/pass/shims/fs.rs index 7a9974f3938..e379288de01 100644 --- a/src/tools/miri/tests/pass/shims/fs.rs +++ b/src/tools/miri/tests/pass/shims/fs.rs @@ -3,7 +3,6 @@ #![feature(io_error_more)] #![feature(io_error_uncategorized)] -#![feature(is_terminal)] use std::collections::HashMap; use std::ffi::{c_char, OsString}; diff --git a/src/tools/miri/tests/pass/shims/io.rs b/src/tools/miri/tests/pass/shims/io.rs index 4d43549a930..295723957a4 100644 --- a/src/tools/miri/tests/pass/shims/io.rs +++ b/src/tools/miri/tests/pass/shims/io.rs @@ -1,5 +1,3 @@ -#![feature(is_terminal)] - use std::io::IsTerminal; fn main() { diff --git a/src/tools/rls/Cargo.toml b/src/tools/rls/Cargo.toml index 92b50bf4cec..b84647eb332 100644 --- a/src/tools/rls/Cargo.toml +++ b/src/tools/rls/Cargo.toml @@ -7,7 +7,3 @@ license = "Apache-2.0/MIT" [dependencies] serde = { version = "1.0.143", features = ["derive"] } serde_json = "1.0.83" -# A noop dependency that changes in the Rust repository, it's a bit of a hack. -# See the `src/tools/rustc-workspace-hack/README.md` file in `rust-lang/rust` -# for more information. -rustc-workspace-hack = "1.0.0" diff --git a/src/tools/rust-installer/Cargo.toml b/src/tools/rust-installer/Cargo.toml index 788e556b0c6..97734f048ab 100644 --- a/src/tools/rust-installer/Cargo.toml +++ b/src/tools/rust-installer/Cargo.toml @@ -22,7 +22,3 @@ remove_dir_all = "0.5" [dependencies.clap] features = ["derive"] version = "3.1" - -[target."cfg(windows)".dependencies] -lazy_static = "1" -winapi = { version = "0.3", features = ["errhandlingapi", "handleapi", "ioapiset", "winerror", "winioctl", "winnt"] } diff --git a/src/tools/rust-installer/src/remove_dir_all.rs b/src/tools/rust-installer/src/remove_dir_all.rs deleted file mode 100644 index 11097652865..00000000000 --- a/src/tools/rust-installer/src/remove_dir_all.rs +++ /dev/null @@ -1,860 +0,0 @@ -#![allow(non_snake_case)] - -use std::io; -use std::path::Path; - -#[cfg(not(windows))] -pub fn remove_dir_all(path: &Path) -> io::Result<()> { - ::std::fs::remove_dir_all(path) -} - -#[cfg(windows)] -pub fn remove_dir_all(path: &Path) -> io::Result<()> { - win::remove_dir_all(path) -} - -#[cfg(windows)] -mod win { - use winapi::ctypes::{c_uint, c_ushort}; - use winapi::shared::minwindef::{BOOL, DWORD, FALSE, FILETIME, LPVOID}; - use winapi::shared::winerror::{ - ERROR_CALL_NOT_IMPLEMENTED, ERROR_INSUFFICIENT_BUFFER, ERROR_NO_MORE_FILES, - }; - use winapi::um::errhandlingapi::{GetLastError, SetLastError}; - use winapi::um::fileapi::{ - CreateFileW, FindFirstFileW, FindNextFileW, GetFileInformationByHandle, - }; - use winapi::um::fileapi::{BY_HANDLE_FILE_INFORMATION, CREATE_ALWAYS, CREATE_NEW}; - use winapi::um::fileapi::{FILE_BASIC_INFO, FILE_RENAME_INFO, TRUNCATE_EXISTING}; - use winapi::um::fileapi::{OPEN_ALWAYS, OPEN_EXISTING}; - use winapi::um::handleapi::{CloseHandle, INVALID_HANDLE_VALUE}; - use winapi::um::ioapiset::DeviceIoControl; - use winapi::um::libloaderapi::{GetModuleHandleW, GetProcAddress}; - use winapi::um::minwinbase::{ - FileBasicInfo, FileRenameInfo, FILE_INFO_BY_HANDLE_CLASS, WIN32_FIND_DATAW, - }; - use winapi::um::winbase::SECURITY_SQOS_PRESENT; - use winapi::um::winbase::{ - FILE_FLAG_BACKUP_SEMANTICS, FILE_FLAG_DELETE_ON_CLOSE, FILE_FLAG_OPEN_REPARSE_POINT, - }; - use winapi::um::winioctl::FSCTL_GET_REPARSE_POINT; - use winapi::um::winnt::{DELETE, FILE_ATTRIBUTE_DIRECTORY, HANDLE, LPCWSTR}; - use winapi::um::winnt::{FILE_ATTRIBUTE_READONLY, FILE_ATTRIBUTE_REPARSE_POINT}; - use winapi::um::winnt::{FILE_GENERIC_WRITE, FILE_WRITE_DATA, GENERIC_READ, GENERIC_WRITE}; - use winapi::um::winnt::{FILE_READ_ATTRIBUTES, FILE_WRITE_ATTRIBUTES}; - use winapi::um::winnt::{FILE_SHARE_DELETE, FILE_SHARE_READ, FILE_SHARE_WRITE}; - use winapi::um::winnt::{IO_REPARSE_TAG_MOUNT_POINT, IO_REPARSE_TAG_SYMLINK, LARGE_INTEGER}; - - use std::ffi::{OsStr, OsString}; - use std::io; - use std::mem; - use std::os::windows::ffi::{OsStrExt, OsStringExt}; - use std::path::{Path, PathBuf}; - use std::ptr; - use std::sync::Arc; - - pub fn remove_dir_all(path: &Path) -> io::Result<()> { - // On Windows it is not enough to just recursively remove the contents of a - // directory and then the directory itself. Deleting does not happen - // instantaneously, but is scheduled. - // To work around this, we move the file or directory to some `base_dir` - // right before deletion to avoid races. - // - // As `base_dir` we choose the parent dir of the directory we want to - // remove. We very probably have permission to create files here, as we - // already need write permission in this dir to delete the directory. And it - // should be on the same volume. - // - // To handle files with names like `CON` and `morse .. .`, and when a - // directory structure is so deep it needs long path names the path is first - // converted to a `//?/`-path with `get_path()`. - // - // To make sure we don't leave a moved file laying around if the process - // crashes before we can delete the file, we do all operations on an file - // handle. By opening a file with `FILE_FLAG_DELETE_ON_CLOSE` Windows will - // always delete the file when the handle closes. - // - // All files are renamed to be in the `base_dir`, and have their name - // changed to "rm-<counter>". After every rename the counter is increased. - // Rename should not overwrite possibly existing files in the base dir. So - // if it fails with `AlreadyExists`, we just increase the counter and try - // again. - // - // For read-only files and directories we first have to remove the read-only - // attribute before we can move or delete them. This also removes the - // attribute from possible hardlinks to the file, so just before closing we - // restore the read-only attribute. - // - // If 'path' points to a directory symlink or junction we should not - // recursively remove the target of the link, but only the link itself. - // - // Moving and deleting is guaranteed to succeed if we are able to open the - // file with `DELETE` permission. If others have the file open we only have - // `DELETE` permission if they have specified `FILE_SHARE_DELETE`. We can - // also delete the file now, but it will not disappear until all others have - // closed the file. But no-one can open the file after we have flagged it - // for deletion. - - // Open the path once to get the canonical path, file type and attributes. - let (path, metadata) = { - let mut opts = OpenOptions::new(); - opts.access_mode(FILE_READ_ATTRIBUTES); - opts.custom_flags(FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OPEN_REPARSE_POINT); - let file = File::open(path, &opts)?; - (get_path(&file)?, file.file_attr()?) - }; - - let mut ctx = RmdirContext { - base_dir: match path.parent() { - Some(dir) => dir, - None => { - return Err(io::Error::new( - io::ErrorKind::PermissionDenied, - "can't delete root directory", - )) - } - }, - readonly: metadata.perm().readonly(), - counter: 0, - }; - - let filetype = metadata.file_type(); - if filetype.is_dir() { - remove_dir_all_recursive(path.as_ref(), &mut ctx) - } else if filetype.is_symlink_dir() { - remove_item(path.as_ref(), &mut ctx) - } else { - Err(io::Error::new( - io::ErrorKind::PermissionDenied, - "Not a directory", - )) - } - } - - fn readdir(p: &Path) -> io::Result<ReadDir> { - let root = p.to_path_buf(); - let star = p.join("*"); - let path = to_u16s(&star)?; - - unsafe { - let mut wfd = mem::zeroed(); - let find_handle = FindFirstFileW(path.as_ptr(), &mut wfd); - if find_handle != INVALID_HANDLE_VALUE { - Ok(ReadDir { - handle: FindNextFileHandle(find_handle), - root: Arc::new(root), - first: Some(wfd), - }) - } else { - Err(io::Error::last_os_error()) - } - } - } - - struct RmdirContext<'a> { - base_dir: &'a Path, - readonly: bool, - counter: u64, - } - - fn remove_dir_all_recursive(path: &Path, ctx: &mut RmdirContext) -> io::Result<()> { - let dir_readonly = ctx.readonly; - for child in readdir(path)? { - let child = child?; - let child_type = child.file_type()?; - ctx.readonly = child.metadata()?.perm().readonly(); - if child_type.is_dir() { - remove_dir_all_recursive(&child.path(), ctx)?; - } else { - remove_item(&child.path().as_ref(), ctx)?; - } - } - ctx.readonly = dir_readonly; - remove_item(path, ctx) - } - - fn remove_item(path: &Path, ctx: &mut RmdirContext) -> io::Result<()> { - if !ctx.readonly { - let mut opts = OpenOptions::new(); - opts.access_mode(DELETE); - opts.custom_flags( - FILE_FLAG_BACKUP_SEMANTICS | // delete directory - FILE_FLAG_OPEN_REPARSE_POINT | // delete symlink - FILE_FLAG_DELETE_ON_CLOSE, - ); - let file = File::open(path, &opts)?; - move_item(&file, ctx) - } else { - // remove read-only permision - set_perm(&path, FilePermissions::new())?; - // move and delete file, similar to !readonly. - // only the access mode is different. - let mut opts = OpenOptions::new(); - opts.access_mode(DELETE | FILE_WRITE_ATTRIBUTES); - opts.custom_flags( - FILE_FLAG_BACKUP_SEMANTICS - | FILE_FLAG_OPEN_REPARSE_POINT - | FILE_FLAG_DELETE_ON_CLOSE, - ); - let file = File::open(path, &opts)?; - move_item(&file, ctx)?; - // restore read-only flag just in case there are other hard links - let mut perm = FilePermissions::new(); - perm.set_readonly(true); - let _ = file.set_perm(perm); // ignore if this fails - Ok(()) - } - } - - macro_rules! compat_fn { - ($module:ident: $( - fn $symbol:ident($($argname:ident: $argtype:ty),*) - -> $rettype:ty { - $($body:expr);* - } - )*) => ($( - #[allow(unused_variables)] - unsafe fn $symbol($($argname: $argtype),*) -> $rettype { - use std::sync::atomic::{AtomicUsize, Ordering}; - use std::mem; - use std::ffi::CString; - type F = unsafe extern "system" fn($($argtype),*) -> $rettype; - - lazy_static! { static ref PTR: AtomicUsize = AtomicUsize::new(0);} - - fn lookup(module: &str, symbol: &str) -> Option<usize> { - let mut module: Vec<u16> = module.encode_utf16().collect(); - module.push(0); - let symbol = CString::new(symbol).unwrap(); - unsafe { - let handle = GetModuleHandleW(module.as_ptr()); - match GetProcAddress(handle, symbol.as_ptr()) as usize { - 0 => None, - n => Some(n), - } - } - } - - fn store_func(ptr: &AtomicUsize, module: &str, symbol: &str, - fallback: usize) -> usize { - let value = lookup(module, symbol).unwrap_or(fallback); - ptr.store(value, Ordering::SeqCst); - value - } - - fn load() -> usize { - store_func(&PTR, stringify!($module), stringify!($symbol), fallback as usize) - } - unsafe extern "system" fn fallback($($argname: $argtype),*) - -> $rettype { - $($body);* - } - - let addr = match PTR.load(Ordering::SeqCst) { - 0 => load(), - n => n, - }; - mem::transmute::<usize, F>(addr)($($argname),*) - } - )*) - } - - compat_fn! { - kernel32: - fn GetFinalPathNameByHandleW(_hFile: HANDLE, - _lpszFilePath: LPCWSTR, - _cchFilePath: DWORD, - _dwFlags: DWORD) -> DWORD { - SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); 0 - } - fn SetFileInformationByHandle(_hFile: HANDLE, - _FileInformationClass: FILE_INFO_BY_HANDLE_CLASS, - _lpFileInformation: LPVOID, - _dwBufferSize: DWORD) -> BOOL { - SetLastError(ERROR_CALL_NOT_IMPLEMENTED as DWORD); 0 - } - } - - fn cvt(i: i32) -> io::Result<i32> { - if i == 0 { - Err(io::Error::last_os_error()) - } else { - Ok(i) - } - } - - fn to_u16s<S: AsRef<OsStr>>(s: S) -> io::Result<Vec<u16>> { - fn inner(s: &OsStr) -> io::Result<Vec<u16>> { - let mut maybe_result: Vec<u16> = s.encode_wide().collect(); - if maybe_result.iter().any(|&u| u == 0) { - return Err(io::Error::new( - io::ErrorKind::InvalidInput, - "strings passed to WinAPI cannot contain NULs", - )); - } - maybe_result.push(0); - Ok(maybe_result) - } - inner(s.as_ref()) - } - - fn truncate_utf16_at_nul<'a>(v: &'a [u16]) -> &'a [u16] { - match v.iter().position(|c| *c == 0) { - // don't include the 0 - Some(i) => &v[..i], - None => v, - } - } - - fn fill_utf16_buf<F1, F2, T>(mut f1: F1, f2: F2) -> io::Result<T> - where - F1: FnMut(*mut u16, DWORD) -> DWORD, - F2: FnOnce(&[u16]) -> T, - { - // Start off with a stack buf but then spill over to the heap if we end up - // needing more space. - let mut stack_buf = [0u16; 512]; - let mut heap_buf = Vec::new(); - unsafe { - let mut n = stack_buf.len(); - loop { - let buf = if n <= stack_buf.len() { - &mut stack_buf[..] - } else { - let extra = n - heap_buf.len(); - heap_buf.reserve(extra); - heap_buf.set_len(n); - &mut heap_buf[..] - }; - - // This function is typically called on windows API functions which - // will return the correct length of the string, but these functions - // also return the `0` on error. In some cases, however, the - // returned "correct length" may actually be 0! - // - // To handle this case we call `SetLastError` to reset it to 0 and - // then check it again if we get the "0 error value". If the "last - // error" is still 0 then we interpret it as a 0 length buffer and - // not an actual error. - SetLastError(0); - let k = match f1(buf.as_mut_ptr(), n as DWORD) { - 0 if GetLastError() == 0 => 0, - 0 => return Err(io::Error::last_os_error()), - n => n, - } as usize; - if k == n && GetLastError() == ERROR_INSUFFICIENT_BUFFER { - n *= 2; - } else if k >= n { - n = k; - } else { - return Ok(f2(&buf[..k])); - } - } - } - } - - #[derive(Clone, PartialEq, Eq, Debug, Default)] - struct FilePermissions { - readonly: bool, - } - - impl FilePermissions { - fn new() -> FilePermissions { - Default::default() - } - fn readonly(&self) -> bool { - self.readonly - } - fn set_readonly(&mut self, readonly: bool) { - self.readonly = readonly - } - } - - #[derive(Clone)] - struct OpenOptions { - // generic - read: bool, - write: bool, - append: bool, - truncate: bool, - create: bool, - create_new: bool, - // system-specific - custom_flags: u32, - access_mode: Option<DWORD>, - attributes: DWORD, - share_mode: DWORD, - security_qos_flags: DWORD, - security_attributes: usize, // FIXME: should be a reference - } - - impl OpenOptions { - fn new() -> OpenOptions { - OpenOptions { - // generic - read: false, - write: false, - append: false, - truncate: false, - create: false, - create_new: false, - // system-specific - custom_flags: 0, - access_mode: None, - share_mode: FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, - attributes: 0, - security_qos_flags: 0, - security_attributes: 0, - } - } - fn custom_flags(&mut self, flags: u32) { - self.custom_flags = flags; - } - fn access_mode(&mut self, access_mode: u32) { - self.access_mode = Some(access_mode); - } - - fn get_access_mode(&self) -> io::Result<DWORD> { - const ERROR_INVALID_PARAMETER: i32 = 87; - - match (self.read, self.write, self.append, self.access_mode) { - (_, _, _, Some(mode)) => Ok(mode), - (true, false, false, None) => Ok(GENERIC_READ), - (false, true, false, None) => Ok(GENERIC_WRITE), - (true, true, false, None) => Ok(GENERIC_READ | GENERIC_WRITE), - (false, _, true, None) => Ok(FILE_GENERIC_WRITE & !FILE_WRITE_DATA), - (true, _, true, None) => Ok(GENERIC_READ | (FILE_GENERIC_WRITE & !FILE_WRITE_DATA)), - (false, false, false, None) => { - Err(io::Error::from_raw_os_error(ERROR_INVALID_PARAMETER)) - } - } - } - - fn get_creation_mode(&self) -> io::Result<DWORD> { - const ERROR_INVALID_PARAMETER: i32 = 87; - - match (self.write, self.append) { - (true, false) => {} - (false, false) => { - if self.truncate || self.create || self.create_new { - return Err(io::Error::from_raw_os_error(ERROR_INVALID_PARAMETER)); - } - } - (_, true) => { - if self.truncate && !self.create_new { - return Err(io::Error::from_raw_os_error(ERROR_INVALID_PARAMETER)); - } - } - } - - Ok(match (self.create, self.truncate, self.create_new) { - (false, false, false) => OPEN_EXISTING, - (true, false, false) => OPEN_ALWAYS, - (false, true, false) => TRUNCATE_EXISTING, - (true, true, false) => CREATE_ALWAYS, - (_, _, true) => CREATE_NEW, - }) - } - - fn get_flags_and_attributes(&self) -> DWORD { - self.custom_flags - | self.attributes - | self.security_qos_flags - | if self.security_qos_flags != 0 { - SECURITY_SQOS_PRESENT - } else { - 0 - } - | if self.create_new { - FILE_FLAG_OPEN_REPARSE_POINT - } else { - 0 - } - } - } - - struct File { - handle: Handle, - } - - impl File { - fn open(path: &Path, opts: &OpenOptions) -> io::Result<File> { - let path = to_u16s(path)?; - let handle = unsafe { - CreateFileW( - path.as_ptr(), - opts.get_access_mode()?, - opts.share_mode, - opts.security_attributes as *mut _, - opts.get_creation_mode()?, - opts.get_flags_and_attributes(), - ptr::null_mut(), - ) - }; - if handle == INVALID_HANDLE_VALUE { - Err(io::Error::last_os_error()) - } else { - Ok(File { - handle: Handle::new(handle), - }) - } - } - - fn file_attr(&self) -> io::Result<FileAttr> { - unsafe { - let mut info: BY_HANDLE_FILE_INFORMATION = mem::zeroed(); - cvt(GetFileInformationByHandle(self.handle.raw(), &mut info))?; - let mut attr = FileAttr { - attributes: info.dwFileAttributes, - creation_time: info.ftCreationTime, - last_access_time: info.ftLastAccessTime, - last_write_time: info.ftLastWriteTime, - file_size: ((info.nFileSizeHigh as u64) << 32) | (info.nFileSizeLow as u64), - reparse_tag: 0, - }; - if attr.is_reparse_point() { - let mut b = [0; MAXIMUM_REPARSE_DATA_BUFFER_SIZE]; - if let Ok((_, buf)) = self.reparse_point(&mut b) { - attr.reparse_tag = buf.ReparseTag; - } - } - Ok(attr) - } - } - - fn set_attributes(&self, attr: DWORD) -> io::Result<()> { - let zero: LARGE_INTEGER = unsafe { mem::zeroed() }; - - let mut info = FILE_BASIC_INFO { - CreationTime: zero, // do not change - LastAccessTime: zero, // do not change - LastWriteTime: zero, // do not change - ChangeTime: zero, // do not change - FileAttributes: attr, - }; - let size = mem::size_of_val(&info); - cvt(unsafe { - SetFileInformationByHandle( - self.handle.raw(), - FileBasicInfo, - &mut info as *mut _ as *mut _, - size as DWORD, - ) - })?; - Ok(()) - } - - fn rename(&self, new: &Path, replace: bool) -> io::Result<()> { - // &self must be opened with DELETE permission - use std::iter; - #[cfg(target_arch = "x86")] - const STRUCT_SIZE: usize = 12; - #[cfg(target_arch = "x86_64")] - const STRUCT_SIZE: usize = 20; - - // FIXME: check for internal NULs in 'new' - let mut data: Vec<u16> = iter::repeat(0u16) - .take(STRUCT_SIZE / 2) - .chain(new.as_os_str().encode_wide()) - .collect(); - data.push(0); - let size = data.len() * 2; - - unsafe { - // Thanks to alignment guarantees on Windows this works - // (8 for 32-bit and 16 for 64-bit) - let info = data.as_mut_ptr() as *mut FILE_RENAME_INFO; - // The type of ReplaceIfExists is BOOL, but it actually expects a - // BOOLEAN. This means true is -1, not c::TRUE. - (*info).ReplaceIfExists = if replace { -1 } else { FALSE }; - (*info).RootDirectory = ptr::null_mut(); - (*info).FileNameLength = (size - STRUCT_SIZE) as DWORD; - cvt(SetFileInformationByHandle( - self.handle().raw(), - FileRenameInfo, - data.as_mut_ptr() as *mut _ as *mut _, - size as DWORD, - ))?; - Ok(()) - } - } - fn set_perm(&self, perm: FilePermissions) -> io::Result<()> { - let attr = self.file_attr()?.attributes; - if perm.readonly == (attr & FILE_ATTRIBUTE_READONLY != 0) { - Ok(()) - } else if perm.readonly { - self.set_attributes(attr | FILE_ATTRIBUTE_READONLY) - } else { - self.set_attributes(attr & !FILE_ATTRIBUTE_READONLY) - } - } - - fn handle(&self) -> &Handle { - &self.handle - } - - fn reparse_point<'a>( - &self, - space: &'a mut [u8; MAXIMUM_REPARSE_DATA_BUFFER_SIZE], - ) -> io::Result<(DWORD, &'a REPARSE_DATA_BUFFER)> { - unsafe { - let mut bytes = 0; - cvt({ - DeviceIoControl( - self.handle.raw(), - FSCTL_GET_REPARSE_POINT, - ptr::null_mut(), - 0, - space.as_mut_ptr() as *mut _, - space.len() as DWORD, - &mut bytes, - ptr::null_mut(), - ) - })?; - Ok((bytes, &*(space.as_ptr() as *const REPARSE_DATA_BUFFER))) - } - } - } - - #[derive(Copy, Clone, PartialEq, Eq, Hash)] - enum FileType { - Dir, - File, - SymlinkFile, - SymlinkDir, - ReparsePoint, - MountPoint, - } - - impl FileType { - fn new(attrs: DWORD, reparse_tag: DWORD) -> FileType { - match ( - attrs & FILE_ATTRIBUTE_DIRECTORY != 0, - attrs & FILE_ATTRIBUTE_REPARSE_POINT != 0, - reparse_tag, - ) { - (false, false, _) => FileType::File, - (true, false, _) => FileType::Dir, - (false, true, IO_REPARSE_TAG_SYMLINK) => FileType::SymlinkFile, - (true, true, IO_REPARSE_TAG_SYMLINK) => FileType::SymlinkDir, - (true, true, IO_REPARSE_TAG_MOUNT_POINT) => FileType::MountPoint, - (_, true, _) => FileType::ReparsePoint, - // Note: if a _file_ has a reparse tag of the type IO_REPARSE_TAG_MOUNT_POINT it is - // invalid, as junctions always have to be dirs. We set the filetype to ReparsePoint - // to indicate it is something symlink-like, but not something you can follow. - } - } - - fn is_dir(&self) -> bool { - *self == FileType::Dir - } - fn is_symlink_dir(&self) -> bool { - *self == FileType::SymlinkDir || *self == FileType::MountPoint - } - } - - impl DirEntry { - fn new(root: &Arc<PathBuf>, wfd: &WIN32_FIND_DATAW) -> Option<DirEntry> { - let first_bytes = &wfd.cFileName[0..3]; - if first_bytes.starts_with(&[46, 0]) || first_bytes.starts_with(&[46, 46, 0]) { - None - } else { - Some(DirEntry { - root: root.clone(), - data: *wfd, - }) - } - } - - fn path(&self) -> PathBuf { - self.root.join(&self.file_name()) - } - - fn file_name(&self) -> OsString { - let filename = truncate_utf16_at_nul(&self.data.cFileName); - OsString::from_wide(filename) - } - - fn file_type(&self) -> io::Result<FileType> { - Ok(FileType::new( - self.data.dwFileAttributes, - /* reparse_tag = */ self.data.dwReserved0, - )) - } - - fn metadata(&self) -> io::Result<FileAttr> { - Ok(FileAttr { - attributes: self.data.dwFileAttributes, - creation_time: self.data.ftCreationTime, - last_access_time: self.data.ftLastAccessTime, - last_write_time: self.data.ftLastWriteTime, - file_size: ((self.data.nFileSizeHigh as u64) << 32) - | (self.data.nFileSizeLow as u64), - reparse_tag: if self.data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT != 0 { - // reserved unless this is a reparse point - self.data.dwReserved0 - } else { - 0 - }, - }) - } - } - - struct DirEntry { - root: Arc<PathBuf>, - data: WIN32_FIND_DATAW, - } - - struct ReadDir { - handle: FindNextFileHandle, - root: Arc<PathBuf>, - first: Option<WIN32_FIND_DATAW>, - } - - impl Iterator for ReadDir { - type Item = io::Result<DirEntry>; - fn next(&mut self) -> Option<io::Result<DirEntry>> { - if let Some(first) = self.first.take() { - if let Some(e) = DirEntry::new(&self.root, &first) { - return Some(Ok(e)); - } - } - unsafe { - let mut wfd = mem::zeroed(); - loop { - if FindNextFileW(self.handle.0, &mut wfd) == 0 { - if GetLastError() == ERROR_NO_MORE_FILES { - return None; - } else { - return Some(Err(io::Error::last_os_error())); - } - } - if let Some(e) = DirEntry::new(&self.root, &wfd) { - return Some(Ok(e)); - } - } - } - } - } - - #[derive(Clone)] - struct FileAttr { - attributes: DWORD, - creation_time: FILETIME, - last_access_time: FILETIME, - last_write_time: FILETIME, - file_size: u64, - reparse_tag: DWORD, - } - - impl FileAttr { - fn perm(&self) -> FilePermissions { - FilePermissions { - readonly: self.attributes & FILE_ATTRIBUTE_READONLY != 0, - } - } - - fn file_type(&self) -> FileType { - FileType::new(self.attributes, self.reparse_tag) - } - - fn is_reparse_point(&self) -> bool { - self.attributes & FILE_ATTRIBUTE_REPARSE_POINT != 0 - } - } - - #[repr(C)] - struct REPARSE_DATA_BUFFER { - ReparseTag: c_uint, - ReparseDataLength: c_ushort, - Reserved: c_ushort, - rest: (), - } - - const MAXIMUM_REPARSE_DATA_BUFFER_SIZE: usize = 16 * 1024; - - /// An owned container for `HANDLE` object, closing them on Drop. - /// - /// All methods are inherited through a `Deref` impl to `RawHandle` - struct Handle(RawHandle); - - use std::ops::Deref; - - /// A wrapper type for `HANDLE` objects to give them proper Send/Sync inference - /// as well as Rust-y methods. - /// - /// This does **not** drop the handle when it goes out of scope, use `Handle` - /// instead for that. - #[derive(Copy, Clone)] - struct RawHandle(HANDLE); - - unsafe impl Send for RawHandle {} - unsafe impl Sync for RawHandle {} - - impl Handle { - fn new(handle: HANDLE) -> Handle { - Handle(RawHandle::new(handle)) - } - } - - impl Deref for Handle { - type Target = RawHandle; - fn deref(&self) -> &RawHandle { - &self.0 - } - } - - impl Drop for Handle { - fn drop(&mut self) { - unsafe { - let _ = CloseHandle(self.raw()); - } - } - } - - impl RawHandle { - fn new(handle: HANDLE) -> RawHandle { - RawHandle(handle) - } - - fn raw(&self) -> HANDLE { - self.0 - } - } - - struct FindNextFileHandle(HANDLE); - - fn get_path(f: &File) -> io::Result<PathBuf> { - fill_utf16_buf( - |buf, sz| unsafe { - GetFinalPathNameByHandleW(f.handle.raw(), buf, sz, VOLUME_NAME_DOS) - }, - |buf| PathBuf::from(OsString::from_wide(buf)), - ) - } - - fn move_item(file: &File, ctx: &mut RmdirContext) -> io::Result<()> { - let mut tmpname = ctx.base_dir.join(format! {"rm-{}", ctx.counter}); - ctx.counter += 1; - // Try to rename the file. If it already exists, just retry with an other - // filename. - while let Err(err) = file.rename(tmpname.as_ref(), false) { - if err.kind() != io::ErrorKind::AlreadyExists { - return Err(err); - }; - tmpname = ctx.base_dir.join(format!("rm-{}", ctx.counter)); - ctx.counter += 1; - } - Ok(()) - } - - fn set_perm(path: &Path, perm: FilePermissions) -> io::Result<()> { - let mut opts = OpenOptions::new(); - opts.access_mode(FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES); - opts.custom_flags(FILE_FLAG_BACKUP_SEMANTICS); - let file = File::open(path, &opts)?; - file.set_perm(perm) - } - - const VOLUME_NAME_DOS: DWORD = 0x0; -} diff --git a/src/tools/rustc-workspace-hack/Cargo.toml b/src/tools/rustc-workspace-hack/Cargo.toml deleted file mode 100644 index e088ffbbe77..00000000000 --- a/src/tools/rustc-workspace-hack/Cargo.toml +++ /dev/null @@ -1,102 +0,0 @@ -[package] -name = "rustc-workspace-hack" -version = "1.0.0" -license = 'MIT OR Apache-2.0' -description = """ -Hack for the compiler's own build system -""" -edition = "2021" - -[lib] -path = "lib.rs" - -# For documentation about what this is and why in the world these dependencies -# are appearing, see `README.md`. - -[target.'cfg(windows)'.dependencies.winapi] -version = "0.3" -features = [ - "accctrl", - "aclapi", - "basetsd", - "cfg", - "consoleapi", - "errhandlingapi", - "evntrace", - "fibersapi", - "handleapi", - "in6addr", - "inaddr", - "ioapiset", - "jobapi", - "jobapi2", - "knownfolders", - "libloaderapi", - "lmcons", - "memoryapi", - "minschannel", - "minwinbase", - "mstcpip", - "mswsock", - "namedpipeapi", - "ntdef", - "ntsecapi", - "ntstatus", - "objbase", - "processenv", - "processthreadsapi", - "profileapi", - "psapi", - "schannel", - "securitybaseapi", - "shellapi", - "shlobj", - "sspi", - "synchapi", - "sysinfoapi", - "threadpoollegacyapiset", - "timezoneapi", - "userenv", - "winbase", - "wincon", - "wincrypt", - "windef", - "winioctl", - "winnt", - "winreg", - "winsock2", - "winuser", - "ws2def", - "ws2ipdef", - "ws2tcpip", -] - -[dependencies] -bstr = { version = "0.2.17", features = ["default"] } -clap = { version = "3.1.1", features = ["derive", "clap_derive"]} -curl-sys = { version = "0.4.13", features = ["http2", "libnghttp2-sys"], optional = true } -# Ensure `extra_traits` of libc, which is used transitively by Cargo. -libc = { version = "0.2", features = ["extra_traits"] } -# Ensure `js` of getrandom, which is (unfortunately) used transitively by Cargo. -getrandom = { version = "0.2", features = ["js"] } -# Ensure default features of libz-sys, which are disabled in some scenarios. -libz-sys = { version = "1.1.2" } -# Ensure default features of regex, which are disabled in some scenarios. -regex = { version = "1.5.6" } -serde_json = { version = "1.0.31", features = ["raw_value", "unbounded_depth"] } -syn = { version = "1", features = ['full', 'visit', 'visit-mut'] } # `visit-mut` required by Cargo via `gix` -url = { version = "2.0", features = ['serde'] } -# Ensure default features of rand, which are disabled in some scenarios. -rand = { version = "0.8.5" } - -# Ensure features of `hashbrown`, `smallvec`, and `once_cell`, -# which are used transitively by Cargo (via `gix`). -hashbrown = { version = "0.12.3", default-features = false, features = ["inline-more"] } -once_cell = { version = "1.16.0", default-features = false, features = ["unstable"] } -smallvec = { version = "1.10.0", features = ["write"] } - -[target.'cfg(not(windows))'.dependencies] -openssl = { version = "0.10.35", optional = true } - -[features] -all-static = ['openssl/vendored', 'curl-sys/static-curl', 'curl-sys/force-system-lib-on-osx'] diff --git a/src/tools/rustc-workspace-hack/README.md b/src/tools/rustc-workspace-hack/README.md deleted file mode 100644 index 3c61470358b..00000000000 --- a/src/tools/rustc-workspace-hack/README.md +++ /dev/null @@ -1,25 +0,0 @@ -# `rustc-workspace-hack` - -This crate is a bit of a hack to make workspaces in rustc work a bit better. -The rationale for this existence is a bit subtle, but the general idea is that -we want commands like `./x.py build src/tools/{clippy,cargo}` to share as -many dependencies as possible. - -Each invocation is a different invocation of Cargo, however. Each time Cargo -runs a build it will re-resolve the dependency graph, notably selecting -different features sometimes for each build. - -For example, let's say there's a very deep dependency like `winapi` in each of -these builds. For Cargo, `winapi` has 33 features enabled. In Clippy, however, -`winapi` has 22 features enabled. This means that building Cargo and then the -Clippy will actually build winapi twice, which in turn will build duplicates -of everything that depends on `winapi`. This is bad! - -The goal of this crate is to solve this problem and ensure that the resolved -dependency graph for all of these tools is the same in the various subsets of -each tool, notably enabling the same features of transitive dependencies. - -All tools vendored here depend on the `rustc-workspace-hack` crate on crates.io. -When on crates.io this crate is an empty crate that is just a noop. We override -it, however, in this workspace to this crate here, which means we can control -crates in the dependency graph for each of these tools. diff --git a/src/tools/rustc-workspace-hack/lib.rs b/src/tools/rustc-workspace-hack/lib.rs deleted file mode 100644 index 44425d9c15f..00000000000 --- a/src/tools/rustc-workspace-hack/lib.rs +++ /dev/null @@ -1 +0,0 @@ -// intentionally left blank diff --git a/src/tools/rustdoc-gui/tester.js b/src/tools/rustdoc-gui/tester.js index 72baad606f0..692d5e3fcef 100644 --- a/src/tools/rustdoc-gui/tester.js +++ b/src/tools/rustdoc-gui/tester.js @@ -42,7 +42,7 @@ function parseOptions(args) { "executable_path": null, "no_sandbox": false, }; - const correspondances = { + const correspondences = { "--doc-folder": "doc_folder", "--tests-folder": "tests_folder", "--debug": "debug", @@ -73,7 +73,7 @@ function parseOptions(args) { } opts["jobs"] = parseInt(arg_value); } else if (arg !== "--file") { - opts[correspondances[arg]] = arg_value; + opts[correspondences[arg]] = arg_value; } else { opts["files"].push(arg_value); } @@ -82,9 +82,9 @@ function parseOptions(args) { process.exit(0); } else if (arg === "--no-sandbox") { console.log("`--no-sandbox` is being used. Be very careful!"); - opts[correspondances[arg]] = true; - } else if (correspondances[arg]) { - opts[correspondances[arg]] = true; + opts[correspondences[arg]] = true; + } else if (correspondences[arg]) { + opts[correspondences[arg]] = true; } else { console.log("Unknown option `" + arg + "`."); console.log("Use `--help` to see the list of options"); diff --git a/src/tools/suggest-tests/Cargo.toml b/src/tools/suggest-tests/Cargo.toml new file mode 100644 index 00000000000..f4f4d548bb7 --- /dev/null +++ b/src/tools/suggest-tests/Cargo.toml @@ -0,0 +1,9 @@ +[package] +name = "suggest-tests" +version = "0.1.0" +edition = "2021" + +[dependencies] +glob = "0.3.0" +build_helper = { version = "0.1.0", path = "../build_helper" } +once_cell = "1.17.1" diff --git a/src/tools/suggest-tests/src/dynamic_suggestions.rs b/src/tools/suggest-tests/src/dynamic_suggestions.rs new file mode 100644 index 00000000000..2b0213cdc22 --- /dev/null +++ b/src/tools/suggest-tests/src/dynamic_suggestions.rs @@ -0,0 +1,23 @@ +use std::path::Path; + +use crate::Suggestion; + +type DynamicSuggestion = fn(&Path) -> Vec<Suggestion>; + +pub(crate) const DYNAMIC_SUGGESTIONS: &[DynamicSuggestion] = &[|path: &Path| -> Vec<Suggestion> { + if path.starts_with("compiler/") || path.starts_with("library/") { + let path = path.components().take(2).collect::<Vec<_>>(); + + vec![Suggestion::with_single_path( + "test", + None, + &format!( + "{}/{}", + path[0].as_os_str().to_str().unwrap(), + path[1].as_os_str().to_str().unwrap() + ), + )] + } else { + Vec::new() + } +}]; diff --git a/src/tools/suggest-tests/src/lib.rs b/src/tools/suggest-tests/src/lib.rs new file mode 100644 index 00000000000..44cd3c7f6a8 --- /dev/null +++ b/src/tools/suggest-tests/src/lib.rs @@ -0,0 +1,96 @@ +use std::{ + fmt::{self, Display}, + path::Path, +}; + +use dynamic_suggestions::DYNAMIC_SUGGESTIONS; +use glob::Pattern; +use static_suggestions::STATIC_SUGGESTIONS; + +mod dynamic_suggestions; +mod static_suggestions; + +#[cfg(test)] +mod tests; + +macro_rules! sug { + ($cmd:expr) => { + Suggestion::new($cmd, None, &[]) + }; + + ($cmd:expr, $paths:expr) => { + Suggestion::new($cmd, None, $paths.as_slice()) + }; + + ($cmd:expr, $stage:expr, $paths:expr) => { + Suggestion::new($cmd, Some($stage), $paths.as_slice()) + }; +} + +pub(crate) use sug; + +pub fn get_suggestions<T: AsRef<str>>(modified_files: &[T]) -> Vec<Suggestion> { + let mut suggestions = Vec::new(); + + // static suggestions + for sug in STATIC_SUGGESTIONS.iter() { + let glob = Pattern::new(&sug.0).expect("Found invalid glob pattern!"); + + for file in modified_files { + if glob.matches(file.as_ref()) { + suggestions.extend_from_slice(&sug.1); + } + } + } + + // dynamic suggestions + for sug in DYNAMIC_SUGGESTIONS { + for file in modified_files { + let sugs = sug(Path::new(file.as_ref())); + + suggestions.extend_from_slice(&sugs); + } + } + + suggestions.sort(); + suggestions.dedup(); + + suggestions +} + +#[derive(Clone, PartialOrd, Ord, PartialEq, Eq, Debug)] +pub struct Suggestion { + pub cmd: String, + pub stage: Option<u32>, + pub paths: Vec<String>, +} + +impl Suggestion { + pub fn new(cmd: &str, stage: Option<u32>, paths: &[&str]) -> Self { + Self { cmd: cmd.to_owned(), stage, paths: paths.iter().map(|p| p.to_string()).collect() } + } + + pub fn with_single_path(cmd: &str, stage: Option<u32>, path: &str) -> Self { + Self::new(cmd, stage, &[path]) + } +} + +impl Display for Suggestion { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> { + write!(f, "{} ", self.cmd)?; + + for path in &self.paths { + write!(f, "{} ", path)?; + } + + if let Some(stage) = self.stage { + write!(f, "{}", stage)?; + } else { + // write a sentinel value here (in place of a stage) to be consumed + // by the shim in bootstrap, it will be read and ignored. + write!(f, "N/A")?; + } + + Ok(()) + } +} diff --git a/src/tools/suggest-tests/src/main.rs b/src/tools/suggest-tests/src/main.rs new file mode 100644 index 00000000000..0b541b60cba --- /dev/null +++ b/src/tools/suggest-tests/src/main.rs @@ -0,0 +1,27 @@ +use std::process::ExitCode; + +use build_helper::git::get_git_modified_files; +use suggest_tests::get_suggestions; + +fn main() -> ExitCode { + let modified_files = get_git_modified_files(None, &Vec::new()); + let modified_files = match modified_files { + Ok(Some(files)) => files, + Ok(None) => { + eprintln!("git error"); + return ExitCode::FAILURE; + } + Err(err) => { + eprintln!("Could not get modified files from git: \"{err}\""); + return ExitCode::FAILURE; + } + }; + + let suggestions = get_suggestions(&modified_files); + + for sug in &suggestions { + println!("{sug}"); + } + + ExitCode::SUCCESS +} diff --git a/src/tools/suggest-tests/src/static_suggestions.rs b/src/tools/suggest-tests/src/static_suggestions.rs new file mode 100644 index 00000000000..d8166ead8c4 --- /dev/null +++ b/src/tools/suggest-tests/src/static_suggestions.rs @@ -0,0 +1,24 @@ +use crate::{sug, Suggestion}; + +// FIXME: perhaps this could use `std::lazy` when it is stablizied +macro_rules! static_suggestions { + ($( $glob:expr => [ $( $suggestion:expr ),* ] ),*) => { + pub(crate) const STATIC_SUGGESTIONS: ::once_cell::unsync::Lazy<Vec<(&'static str, Vec<Suggestion>)>> + = ::once_cell::unsync::Lazy::new(|| vec![ $( ($glob, vec![ $($suggestion),* ]) ),*]); + } +} + +static_suggestions! { + "*.md" => [ + sug!("test", 0, ["linkchecker"]) + ], + + "compiler/*" => [ + sug!("check"), + sug!("test", 1, ["src/test/ui", "src/test/run-make"]) + ], + + "src/librustdoc/*" => [ + sug!("test", 1, ["rustdoc"]) + ] +} diff --git a/src/tools/suggest-tests/src/tests.rs b/src/tools/suggest-tests/src/tests.rs new file mode 100644 index 00000000000..5bc1a7df7ca --- /dev/null +++ b/src/tools/suggest-tests/src/tests.rs @@ -0,0 +1,21 @@ +macro_rules! sugg_test { + ( $( $name:ident: $paths:expr => $suggestions:expr ),* ) => { + $( + #[test] + fn $name() { + let suggestions = crate::get_suggestions(&$paths).into_iter().map(|s| s.to_string()).collect::<Vec<_>>(); + assert_eq!(suggestions, $suggestions); + } + )* + }; +} + +sugg_test! { + test_error_code_docs: ["compiler/rustc_error_codes/src/error_codes/E0000.md"] => + ["check N/A", "test compiler/rustc_error_codes N/A", "test linkchecker 0", "test src/test/ui src/test/run-make 1"], + + test_rustdoc: ["src/librustdoc/src/lib.rs"] => ["test rustdoc 1"], + + test_rustdoc_and_libstd: ["src/librustdoc/src/lib.rs", "library/std/src/lib.rs"] => + ["test library/std N/A", "test rustdoc 1"] +} diff --git a/src/tools/tidy/src/bins.rs b/src/tools/tidy/src/bins.rs index 7e5b4d810ba..197e9a9965f 100644 --- a/src/tools/tidy/src/bins.rs +++ b/src/tools/tidy/src/bins.rs @@ -57,8 +57,8 @@ mod os_impl { match fs::File::create(&path) { Ok(file) => { let exec = is_executable(&path).unwrap_or(false); - std::mem::drop(file); - std::fs::remove_file(&path).expect("Deleted temp file"); + drop(file); + fs::remove_file(&path).expect("Deleted temp file"); // If the file is executable, then we assume that this // filesystem does not track executability, so skip this check. return if exec { Unsupported } else { Supported }; diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index a9eb6c8d03f..0e0a517ae49 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -18,6 +18,7 @@ const LICENSES: &[&str] = &[ "ISC", "Unlicense/MIT", "Unlicense OR MIT", + "0BSD", "0BSD OR MIT OR Apache-2.0", // adler license "Zlib OR Apache-2.0 OR MIT", // tinyvec "MIT OR Apache-2.0 OR Zlib", // tinyvec_macros @@ -33,30 +34,35 @@ const LICENSES: &[&str] = &[ const EXCEPTIONS: &[(&str, &str)] = &[ ("ar_archive_writer", "Apache-2.0 WITH LLVM-exception"), // rustc ("mdbook", "MPL-2.0"), // mdbook - ("openssl", "Apache-2.0"), // cargo, mdbook ("colored", "MPL-2.0"), // rustfmt ("ryu", "Apache-2.0 OR BSL-1.0"), // cargo/... (because of serde) - ("bytesize", "Apache-2.0"), // cargo - ("im-rc", "MPL-2.0+"), // cargo - ("sized-chunks", "MPL-2.0+"), // cargo via im-rc - ("bitmaps", "MPL-2.0+"), // cargo via im-rc - ("fiat-crypto", "MIT OR Apache-2.0 OR BSD-1-Clause"), // cargo via pasetors - ("subtle", "BSD-3-Clause"), // cargo via pasetors - ("dunce", "CC0-1.0 OR MIT-0"), // cargo via gix (and dev dependency) - ("imara-diff", "Apache-2.0"), // cargo via gix - ("sha1_smol", "BSD-3-Clause"), // cargo via gix - ("unicode-bom", "Apache-2.0"), // cargo via gix ("instant", "BSD-3-Clause"), // rustc_driver/tracing-subscriber/parking_lot ("snap", "BSD-3-Clause"), // rustc ("fluent-langneg", "Apache-2.0"), // rustc (fluent translations) ("self_cell", "Apache-2.0"), // rustc (fluent translations) // FIXME: this dependency violates the documentation comment above: ("fortanix-sgx-abi", "MPL-2.0"), // libstd but only for `sgx` target - ("similar", "Apache-2.0"), // cargo (dev dependency) - ("normalize-line-endings", "Apache-2.0"), // cargo (dev dependency) ("dissimilar", "Apache-2.0"), // rustdoc, rustc_lexer (few tests) via expect-test, (dev deps) ]; +const EXCEPTIONS_CARGO: &[(&str, &str)] = &[ + ("bitmaps", "MPL-2.0+"), + ("bytesize", "Apache-2.0"), + ("dunce", "CC0-1.0 OR MIT-0"), + ("fiat-crypto", "MIT OR Apache-2.0 OR BSD-1-Clause"), + ("im-rc", "MPL-2.0+"), + ("imara-diff", "Apache-2.0"), + ("instant", "BSD-3-Clause"), + ("normalize-line-endings", "Apache-2.0"), + ("openssl", "Apache-2.0"), + ("ryu", "Apache-2.0 OR BSL-1.0"), + ("sha1_smol", "BSD-3-Clause"), + ("similar", "Apache-2.0"), + ("sized-chunks", "MPL-2.0+"), + ("subtle", "BSD-3-Clause"), + ("unicode-bom", "Apache-2.0"), +]; + const EXCEPTIONS_CRANELIFT: &[(&str, &str)] = &[ ("cranelift-bforest", "Apache-2.0 WITH LLVM-exception"), ("cranelift-codegen", "Apache-2.0 WITH LLVM-exception"), @@ -156,7 +162,6 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "lazy_static", "libc", "libloading", - "libz-sys", "litemap", "lock_api", "log", @@ -177,7 +182,6 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "perf-event-open-sys", "petgraph", "pin-project-lite", - "pkg-config", "polonius-engine", "ppv-lite86", "proc-macro-hack", @@ -217,7 +221,6 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "stable_deref_trait", "stacker", "static_assertions", - "subtle", // dependency of cargo (via pasetors) "syn", "synstructure", "tempfile", @@ -256,7 +259,6 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "unicode-security", "unicode-width", "unicode-xid", - "vcpkg", "valuable", "version_check", "wasi", @@ -333,13 +335,6 @@ const PERMITTED_CRANELIFT_DEPENDENCIES: &[&str] = &[ "windows_x86_64_msvc", ]; -const FORBIDDEN_TO_HAVE_DUPLICATES: &[&str] = &[ - // This crate takes quite a long time to build, so don't allow two versions of them - // to accidentally sneak into our dependency graph, in order to ensure we keep our CI times - // under control. - "cargo", -]; - /// Dependency checks. /// /// `root` is path to the directory with the root `Cargo.toml` (for the workspace). `cargo` is path @@ -359,8 +354,16 @@ pub fn check(root: &Path, cargo: &Path, bad: &mut bool) { &["rustc_driver", "rustc_codegen_llvm"], bad, ); - check_crate_duplicate(&metadata, FORBIDDEN_TO_HAVE_DUPLICATES, bad); - check_rustfix(&metadata, bad); + + // Check cargo independently as it has it's own workspace. + let mut cmd = cargo_metadata::MetadataCommand::new(); + cmd.cargo_path(cargo) + .manifest_path(root.join("src/tools/cargo/Cargo.toml")) + .features(cargo_metadata::CargoOpt::AllFeatures); + let cargo_metadata = t!(cmd.exec()); + let runtime_ids = HashSet::new(); + check_license_exceptions(&cargo_metadata, EXCEPTIONS_CARGO, runtime_ids, bad); + check_rustfix(&metadata, &cargo_metadata, bad); // Check rustc_codegen_cranelift independently as it has it's own workspace. let mut cmd = cargo_metadata::MetadataCommand::new(); @@ -377,7 +380,6 @@ pub fn check(root: &Path, cargo: &Path, bad: &mut bool) { &["rustc_codegen_cranelift"], bad, ); - check_crate_duplicate(&metadata, &[], bad); let mut cmd = cargo_metadata::MetadataCommand::new(); cmd.cargo_path(cargo) @@ -523,40 +525,6 @@ fn check_permitted_dependencies( } } -/// Prevents multiple versions of some expensive crates. -fn check_crate_duplicate( - metadata: &Metadata, - forbidden_to_have_duplicates: &[&str], - bad: &mut bool, -) { - for &name in forbidden_to_have_duplicates { - let matches: Vec<_> = metadata.packages.iter().filter(|pkg| pkg.name == name).collect(); - match matches.len() { - 0 => { - tidy_error!( - bad, - "crate `{}` is missing, update `check_crate_duplicate` \ - if it is no longer used", - name - ); - } - 1 => {} - _ => { - tidy_error!( - bad, - "crate `{}` is duplicated in `Cargo.lock`, \ - it is too expensive to build multiple times, \ - so make sure only one version appears across all dependencies", - name - ); - for pkg in matches { - println!(" * {}", pkg.id); - } - } - } - } -} - /// Finds a package with the given name. fn pkg_from_name<'a>(metadata: &'a Metadata, name: &'static str) -> &'a Package { let mut i = metadata.packages.iter().filter(|p| p.name == name); @@ -606,19 +574,24 @@ fn deps_of_filtered<'a>( } } -fn direct_deps_of<'a>(metadata: &'a Metadata, pkg_id: &'a PackageId) -> Vec<&'a Package> { +fn direct_deps_of<'a>( + metadata: &'a Metadata, + pkg_id: &'a PackageId, +) -> impl Iterator<Item = &'a Package> { let resolve = metadata.resolve.as_ref().unwrap(); let node = resolve.nodes.iter().find(|n| &n.id == pkg_id).unwrap(); - node.deps.iter().map(|dep| pkg_from_id(metadata, &dep.pkg)).collect() + node.deps.iter().map(|dep| pkg_from_id(metadata, &dep.pkg)) } -fn check_rustfix(metadata: &Metadata, bad: &mut bool) { - let cargo = pkg_from_name(metadata, "cargo"); - let compiletest = pkg_from_name(metadata, "compiletest"); - let cargo_deps = direct_deps_of(metadata, &cargo.id); - let compiletest_deps = direct_deps_of(metadata, &compiletest.id); - let cargo_rustfix = cargo_deps.iter().find(|p| p.name == "rustfix").unwrap(); - let compiletest_rustfix = compiletest_deps.iter().find(|p| p.name == "rustfix").unwrap(); +fn check_rustfix(rust_metadata: &Metadata, cargo_metadata: &Metadata, bad: &mut bool) { + let cargo = pkg_from_name(cargo_metadata, "cargo"); + let cargo_rustfix = + direct_deps_of(cargo_metadata, &cargo.id).find(|p| p.name == "rustfix").unwrap(); + + let compiletest = pkg_from_name(rust_metadata, "compiletest"); + let compiletest_rustfix = + direct_deps_of(rust_metadata, &compiletest.id).find(|p| p.name == "rustfix").unwrap(); + if cargo_rustfix.version != compiletest_rustfix.version { tidy_error!( bad, diff --git a/src/tools/tidy/src/pal.rs b/src/tools/tidy/src/pal.rs index d40c4ad0711..6fd41e83362 100644 --- a/src/tools/tidy/src/pal.rs +++ b/src/tools/tidy/src/pal.rs @@ -31,7 +31,6 @@ //! this in the long term. use crate::walk::{filter_dirs, walk}; -use std::iter::Iterator; use std::path::Path; // Paths that may contain platform-specific code. diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index 0f08f5d0b70..29664c854c8 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -9,8 +9,8 @@ use std::path::{Path, PathBuf}; // FIXME: The following limits should be reduced eventually. const ENTRY_LIMIT: usize = 885; -const ROOT_ENTRY_LIMIT: usize = 881; -const ISSUES_ENTRY_LIMIT: usize = 1978; +const ROOT_ENTRY_LIMIT: usize = 891; +const ISSUES_ENTRY_LIMIT: usize = 1977; fn check_entries(tests_path: &Path, bad: &mut bool) { let mut directories: HashMap<PathBuf, usize> = HashMap::new(); @@ -22,18 +22,19 @@ fn check_entries(tests_path: &Path, bad: &mut bool) { } } + let (mut max, mut max_root, mut max_issues) = (0usize, 0usize, 0usize); for (dir_path, count) in directories { // Use special values for these dirs. let is_root = tests_path.join("ui") == dir_path; let is_issues_dir = tests_path.join("ui/issues") == dir_path; - let limit = if is_root { - ROOT_ENTRY_LIMIT + let (limit, maxcnt) = if is_root { + (ROOT_ENTRY_LIMIT, &mut max_root) } else if is_issues_dir { - ISSUES_ENTRY_LIMIT + (ISSUES_ENTRY_LIMIT, &mut max_issues) } else { - ENTRY_LIMIT + (ENTRY_LIMIT, &mut max) }; - + *maxcnt = (*maxcnt).max(count); if count > limit { tidy_error!( bad, @@ -45,6 +46,21 @@ fn check_entries(tests_path: &Path, bad: &mut bool) { ); } } + if ENTRY_LIMIT > max { + tidy_error!(bad, "`ENTRY_LIMIT` is too high (is {ENTRY_LIMIT}, should be {max})"); + } + if ROOT_ENTRY_LIMIT > max_root { + tidy_error!( + bad, + "`ROOT_ENTRY_LIMIT` is too high (is {ROOT_ENTRY_LIMIT}, should be {max_root})" + ); + } + if ISSUES_ENTRY_LIMIT > max_issues { + tidy_error!( + bad, + "`ISSUES_ENTRY_LIMIT` is too high (is {ISSUES_ENTRY_LIMIT}, should be {max_issues})" + ); + } } pub fn check(path: &Path, bad: &mut bool) { diff --git a/src/tools/unicode-table-generator/src/raw_emitter.rs b/src/tools/unicode-table-generator/src/raw_emitter.rs index 890ff986c2b..7547b49ab2a 100644 --- a/src/tools/unicode-table-generator/src/raw_emitter.rs +++ b/src/tools/unicode-table-generator/src/raw_emitter.rs @@ -1,6 +1,5 @@ use crate::fmt_list; use std::collections::{BTreeMap, BTreeSet, HashMap}; -use std::convert::TryFrom; use std::fmt::{self, Write}; use std::ops::Range; diff --git a/src/tools/unicode-table-generator/src/skiplist.rs b/src/tools/unicode-table-generator/src/skiplist.rs index 6e439968c3b..9b613a94c57 100644 --- a/src/tools/unicode-table-generator/src/skiplist.rs +++ b/src/tools/unicode-table-generator/src/skiplist.rs @@ -1,6 +1,5 @@ use crate::fmt_list; use crate::raw_emitter::RawEmitter; -use std::convert::TryInto; use std::fmt::Write as _; use std::ops::Range; diff --git a/src/version b/src/version index 832e9afb6c1..df484cbb1d9 100644 --- a/src/version +++ b/src/version @@ -1 +1 @@ -1.70.0 +1.71.0 diff --git a/tests/assembly/asm/m68k-types.rs b/tests/assembly/asm/m68k-types.rs new file mode 100644 index 00000000000..0322e615a19 --- /dev/null +++ b/tests/assembly/asm/m68k-types.rs @@ -0,0 +1,83 @@ +// assembly-output: emit-asm +// compile-flags: --target m68k-unknown-linux-gnu +// needs-llvm-components: m68k + +#![feature(no_core, lang_items, rustc_attrs, asm_experimental_arch)] +#![crate_type = "rlib"] +#![no_core] +#![allow(non_camel_case_types)] + +#[rustc_builtin_macro] +macro_rules! asm { + () => {}; +} +#[rustc_builtin_macro] +macro_rules! concat { + () => {}; +} + +#[lang = "sized"] +trait Sized {} +#[lang = "copy"] +trait Copy {} + +type ptr = *const u64; + +impl Copy for i8 {} +impl Copy for i16 {} +impl Copy for i32 {} +impl Copy for i64 {} +impl Copy for ptr {} + +macro_rules! check { + ($func:ident $ty:ident $class:ident $mov:literal) => { + #[no_mangle] + pub unsafe fn $func(x: $ty) -> $ty { + let y; + asm!(concat!($mov, " {}, {};"), out($class) y, in($class) x); + y + } + }; +} + +// CHECK-LABEL: reg_data_i8: +// CHECK: ;APP +// CHECK: move.b %d{{[0-9]}}, %d{{[0-9]}} +// CHECK: ;NO_APP +check!(reg_data_i8 i8 reg_data "move.b"); + +// CHECK-LABEL: reg_data_i16: +// CHECK: ;APP +// CHECK: move.w %d{{[0-9]}}, %d{{[0-9]}} +// CHECK: ;NO_APP +check!(reg_data_i16 i16 reg_data "move.w"); + +// CHECK-LABEL: reg_data_i32: +// CHECK: ;APP +// CHECK: move.l %d{{[0-9]}}, %d{{[0-9]}} +// CHECK: ;NO_APP +check!(reg_data_i32 i32 reg_data "move.l"); + +// CHECK-LABEL: reg_addr_i16: +// CHECK: ;APP +// CHECK: move.w %a{{[0-9]}}, %a{{[0-9]}} +// CHECK: ;NO_APP +check!(reg_addr_i16 i16 reg_addr "move.w"); + +// CHECK-LABEL: reg_addr_i32: +// CHECK: ;APP +// CHECK: move.l %a{{[0-9]}}, %a{{[0-9]}} +// CHECK: ;NO_APP +check!(reg_addr_i32 i32 reg_addr "move.l"); + +// CHECK-LABEL: reg_i16: +// CHECK: ;APP +// CHECK: move.w %{{[da][0-9]}}, %{{[da][0-9]}} +// CHECK: ;NO_APP +check!(reg_i16 i16 reg "move.w"); + +// CHECK-LABEL: reg_i32: +// CHECK: ;APP +// CHECK: move.l %{{[da][0-9]}}, %{{[da][0-9]}} +// CHECK: ;NO_APP +check!(reg_i32 i32 reg "move.l"); diff --git a/tests/codegen-units/item-collection/cross-crate-trait-method.rs b/tests/codegen-units/item-collection/cross-crate-trait-method.rs index dc0984c8a98..b7216a14318 100644 --- a/tests/codegen-units/item-collection/cross-crate-trait-method.rs +++ b/tests/codegen-units/item-collection/cross-crate-trait-method.rs @@ -1,4 +1,4 @@ -// compile-flags:-Zprint-mono-items=eager +// compile-flags:-Zprint-mono-items=eager -Zinline-mir=no #![deny(dead_code)] #![feature(start)] diff --git a/tests/codegen-units/item-collection/function-as-argument.rs b/tests/codegen-units/item-collection/function-as-argument.rs index ea500c3111a..d951cbfacec 100644 --- a/tests/codegen-units/item-collection/function-as-argument.rs +++ b/tests/codegen-units/item-collection/function-as-argument.rs @@ -1,5 +1,4 @@ -// -// compile-flags:-Zprint-mono-items=eager +// compile-flags:-Zprint-mono-items=eager -Zinline-mir=no #![deny(dead_code)] #![feature(start)] diff --git a/tests/codegen-units/item-collection/generic-functions.rs b/tests/codegen-units/item-collection/generic-functions.rs index 04383bb8edb..f790cd0dadd 100644 --- a/tests/codegen-units/item-collection/generic-functions.rs +++ b/tests/codegen-units/item-collection/generic-functions.rs @@ -1,4 +1,4 @@ -// compile-flags:-Zprint-mono-items=eager +// compile-flags:-Zprint-mono-items=eager -Zinline-mir=no #![deny(dead_code)] #![feature(start)] diff --git a/tests/codegen-units/item-collection/generic-impl.rs b/tests/codegen-units/item-collection/generic-impl.rs index 4260230c2c6..e19eec36b31 100644 --- a/tests/codegen-units/item-collection/generic-impl.rs +++ b/tests/codegen-units/item-collection/generic-impl.rs @@ -1,4 +1,4 @@ -// compile-flags:-Zprint-mono-items=eager +// compile-flags:-Zprint-mono-items=eager -Zinline-mir=no #![deny(dead_code)] #![feature(start)] diff --git a/tests/codegen-units/item-collection/trait-implementations.rs b/tests/codegen-units/item-collection/trait-implementations.rs index a816cb03241..ad0ed7da28e 100644 --- a/tests/codegen-units/item-collection/trait-implementations.rs +++ b/tests/codegen-units/item-collection/trait-implementations.rs @@ -1,4 +1,4 @@ -// compile-flags:-Zprint-mono-items=eager +// compile-flags:-Zprint-mono-items=eager -Zinline-mir=no #![deny(dead_code)] #![feature(start)] diff --git a/tests/codegen-units/item-collection/trait-method-as-argument.rs b/tests/codegen-units/item-collection/trait-method-as-argument.rs index 235569728a2..164ef794ca7 100644 --- a/tests/codegen-units/item-collection/trait-method-as-argument.rs +++ b/tests/codegen-units/item-collection/trait-method-as-argument.rs @@ -1,5 +1,4 @@ -// -// compile-flags:-Zprint-mono-items=eager +// compile-flags:-Zprint-mono-items=eager -Zinline-mir=no #![deny(dead_code)] #![feature(start)] diff --git a/tests/codegen-units/item-collection/trait-method-default-impl.rs b/tests/codegen-units/item-collection/trait-method-default-impl.rs index bfcdb6fa142..d953582cce9 100644 --- a/tests/codegen-units/item-collection/trait-method-default-impl.rs +++ b/tests/codegen-units/item-collection/trait-method-default-impl.rs @@ -1,4 +1,4 @@ -// compile-flags:-Zprint-mono-items=eager -Zpolymorphize=on +// compile-flags:-Zprint-mono-items=eager -Zpolymorphize=on -Zinline-mir=no #![deny(dead_code)] #![feature(start)] diff --git a/tests/codegen/align-fn.rs b/tests/codegen/align-fn.rs index c5886cf2808..f3cf614e185 100644 --- a/tests/codegen/align-fn.rs +++ b/tests/codegen/align-fn.rs @@ -7,3 +7,43 @@ #[no_mangle] #[repr(align(16))] pub fn fn_align() {} + +pub struct A; + +impl A { + // CHECK: align 16 + #[no_mangle] + #[repr(align(16))] + pub fn method_align(self) {} + + // CHECK: align 16 + #[no_mangle] + #[repr(align(16))] + pub fn associated_fn() {} +} + +trait T: Sized { + fn trait_fn() {} + + // CHECK: align 32 + #[repr(align(32))] + fn trait_method(self) {} +} + +impl T for A { + // CHECK: align 16 + #[no_mangle] + #[repr(align(16))] + fn trait_fn() {} + + // CHECK: align 16 + #[no_mangle] + #[repr(align(16))] + fn trait_method(self) {} +} + +impl T for () {} + +pub fn foo() { + ().trait_method(); +} diff --git a/tests/codegen/array-map.rs b/tests/codegen/array-map.rs index 7b8ab2c79a7..3706ddf99fd 100644 --- a/tests/codegen/array-map.rs +++ b/tests/codegen/array-map.rs @@ -21,7 +21,7 @@ pub fn short_integer_map(x: [u32; 8]) -> [u32; 8] { pub fn short_integer_zip_map(x: [u32; 8], y: [u32; 8]) -> [u32; 8] { // CHECK: %[[A:.+]] = load <8 x i32> // CHECK: %[[B:.+]] = load <8 x i32> - // CHECK: sub <8 x i32> %[[A]], %[[B]] + // CHECK: sub <8 x i32> %[[B]], %[[A]] // CHECK: store <8 x i32> x.zip(y).map(|(x, y)| x - y) } diff --git a/tests/codegen/enum-match.rs b/tests/codegen/enum-match.rs index 5f8063a27f7..36c6be19012 100644 --- a/tests/codegen/enum-match.rs +++ b/tests/codegen/enum-match.rs @@ -34,8 +34,11 @@ pub enum Enum1 { // CHECK: define noundef i8 @match1{{.*}} // CHECK-NEXT: start: -// CHECK-NEXT: [[DISCR:%.*]] = {{.*}}call i8 @llvm.usub.sat.i8(i8 %0, i8 1) -// CHECK-NEXT: switch i8 [[DISCR]], label {{.*}} [ +// CHECK-NEXT: %1 = add i8 %0, -2 +// CHECK-NEXT: %2 = zext i8 %1 to i64 +// CHECK-NEXT: %3 = icmp ult i8 %1, 2 +// CHECK-NEXT: %4 = add nuw nsw i64 %2, 1 +// CHECK-NEXT: %_2 = select i1 %3, i64 %4, i64 0 #[no_mangle] pub fn match1(e: Enum1) -> u8 { use Enum1::*; diff --git a/tests/codegen/inline-function-args-debug-info.rs b/tests/codegen/inline-function-args-debug-info.rs new file mode 100644 index 00000000000..e3d8caa49d4 --- /dev/null +++ b/tests/codegen/inline-function-args-debug-info.rs @@ -0,0 +1,20 @@ +// This test checks that debug information includes function argument indexes even if the function +// gets inlined by MIR inlining. Without function argument indexes, `info args` in gdb won't show +// arguments and their values for the current function. + +// compile-flags: -Zinline-mir=yes -Cdebuginfo=2 --edition=2021 + +#![crate_type = "lib"] + +pub fn outer_function(x: usize, y: usize) -> usize { + inner_function(x, y) + 1 +} + +#[inline] +fn inner_function(aaaa: usize, bbbb: usize) -> usize { + // CHECK: !DILocalVariable(name: "aaaa", arg: 1 + // CHECK-SAME: line: 14 + // CHECK: !DILocalVariable(name: "bbbb", arg: 2 + // CHECK-SAME: line: 14 + aaaa + bbbb +} diff --git a/tests/codegen/inline-hint.rs b/tests/codegen/inline-hint.rs index d3ea1915a8b..bb2a8e6a649 100644 --- a/tests/codegen/inline-hint.rs +++ b/tests/codegen/inline-hint.rs @@ -1,7 +1,7 @@ // Checks that closures, constructors, and shims except // for a drop glue receive inline hint by default. // -// compile-flags: -Cno-prepopulate-passes -Csymbol-mangling-version=v0 +// compile-flags: -Cno-prepopulate-passes -Csymbol-mangling-version=v0 -Zinline-mir=no #![crate_type = "lib"] pub fn f() { diff --git a/tests/codegen/local-generics-in-exe-internalized.rs b/tests/codegen/local-generics-in-exe-internalized.rs index e5430fbf17a..449c5ca75fc 100644 --- a/tests/codegen/local-generics-in-exe-internalized.rs +++ b/tests/codegen/local-generics-in-exe-internalized.rs @@ -1,4 +1,4 @@ -// compile-flags: -C no-prepopulate-passes -Zshare-generics=yes +// compile-flags: -C no-prepopulate-passes -Zshare-generics=yes -Zinline-mir=no // Check that local generics are internalized if they are in the same CGU diff --git a/tests/codegen/optimize-attr-1.rs b/tests/codegen/optimize-attr-1.rs index 22abe06e7a9..1d1f0a38657 100644 --- a/tests/codegen/optimize-attr-1.rs +++ b/tests/codegen/optimize-attr-1.rs @@ -8,7 +8,6 @@ // CHECK-LABEL: define{{.*}}i32 @nothing // CHECK-SAME: [[NOTHING_ATTRS:#[0-9]+]] -// NO-OPT: ret i32 4 // SIZE-OPT: ret i32 4 // SPEEC-OPT: ret i32 4 #[no_mangle] @@ -18,7 +17,6 @@ pub fn nothing() -> i32 { // CHECK-LABEL: define{{.*}}i32 @size // CHECK-SAME: [[SIZE_ATTRS:#[0-9]+]] -// NO-OPT: ret i32 6 // SIZE-OPT: ret i32 6 // SPEED-OPT: ret i32 6 #[optimize(size)] @@ -31,7 +29,6 @@ pub fn size() -> i32 { // NO-OPT-SAME: [[NOTHING_ATTRS]] // SPEED-OPT-SAME: [[NOTHING_ATTRS]] // SIZE-OPT-SAME: [[SPEED_ATTRS:#[0-9]+]] -// NO-OPT: ret i32 8 // SIZE-OPT: ret i32 8 // SPEED-OPT: ret i32 8 #[optimize(speed)] diff --git a/tests/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs b/tests/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs index 59092dbf637..15bd0f17421 100644 --- a/tests/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs +++ b/tests/codegen/remap_path_prefix/auxiliary/xcrate-generic.rs @@ -3,4 +3,6 @@ #![crate_type = "lib"] -pub fn foo<T>() {} +pub fn foo<T: Default>() -> T { + T::default() +} diff --git a/tests/codegen/remap_path_prefix/xcrate-generic.rs b/tests/codegen/remap_path_prefix/xcrate-generic.rs index 7a9d2ca9b6b..399deec1fc9 100644 --- a/tests/codegen/remap_path_prefix/xcrate-generic.rs +++ b/tests/codegen/remap_path_prefix/xcrate-generic.rs @@ -7,7 +7,7 @@ extern crate xcrate_generic; pub fn foo() { - xcrate_generic::foo::<u32>(); + println!("{}", xcrate_generic::foo::<u32>()); } // Here we check that local debuginfo is mapped correctly. diff --git a/tests/codegen/thread-local.rs b/tests/codegen/thread-local.rs index aa7fab7fb17..caf0366d2c1 100644 --- a/tests/codegen/thread-local.rs +++ b/tests/codegen/thread-local.rs @@ -20,8 +20,8 @@ thread_local!(static A: Cell<u32> = const { Cell::new(1) }); // CHECK-LABEL: @get #[no_mangle] fn get() -> u32 { - // CHECK: %0 = load i32, {{.*}}[[TLS]]{{.*}} - // CHECK-NEXT: ret i32 %0 + // CHECK: [[RET_0:%.+]] = load i32, {{.*}}[[TLS]]{{.*}} + // CHECK-NEXT: ret i32 [[RET_0]] A.with(|a| a.get()) } @@ -36,8 +36,8 @@ fn set(v: u32) { // CHECK-LABEL: @get_aux #[no_mangle] fn get_aux() -> u64 { - // CHECK: %0 = load i64, {{.*}}[[TLS_AUX]] - // CHECK-NEXT: ret i64 %0 + // CHECK: [[RET_1:%.+]] = load i64, {{.*}}[[TLS_AUX]] + // CHECK-NEXT: ret i64 [[RET_1]] aux::A.with(|a| a.get()) } diff --git a/tests/debuginfo/associated-types.rs b/tests/debuginfo/associated-types.rs index 0a0ce3c671f..a1735520b11 100644 --- a/tests/debuginfo/associated-types.rs +++ b/tests/debuginfo/associated-types.rs @@ -1,6 +1,6 @@ // Some versions of the non-rust-enabled LLDB print the wrong generic // parameter type names in this test. -// rust-lldb +// needs-rust-lldb // compile-flags:-g diff --git a/tests/debuginfo/borrowed-enum.rs b/tests/debuginfo/borrowed-enum.rs index f3e465dc652..37d458cb494 100644 --- a/tests/debuginfo/borrowed-enum.rs +++ b/tests/debuginfo/borrowed-enum.rs @@ -1,6 +1,6 @@ // Require a gdb or lldb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 -// rust-lldb +// needs-rust-lldb // compile-flags:-g diff --git a/tests/debuginfo/generic-method-on-generic-struct.rs b/tests/debuginfo/generic-method-on-generic-struct.rs index 97609ef5d93..2d54c2b07df 100644 --- a/tests/debuginfo/generic-method-on-generic-struct.rs +++ b/tests/debuginfo/generic-method-on-generic-struct.rs @@ -2,7 +2,7 @@ // Some versions of the non-rust-enabled LLDB print the wrong generic // parameter type names in this test. -// rust-lldb +// needs-rust-lldb // === GDB TESTS =================================================================================== diff --git a/tests/debuginfo/generic-struct.rs b/tests/debuginfo/generic-struct.rs index 5fa5ce80099..5213eebc18b 100644 --- a/tests/debuginfo/generic-struct.rs +++ b/tests/debuginfo/generic-struct.rs @@ -1,6 +1,6 @@ // Some versions of the non-rust-enabled LLDB print the wrong generic // parameter type names in this test. -// rust-lldb +// needs-rust-lldb // compile-flags:-g diff --git a/tests/debuginfo/generic-tuple-style-enum.rs b/tests/debuginfo/generic-tuple-style-enum.rs index 60362e54e7d..a55402691dc 100644 --- a/tests/debuginfo/generic-tuple-style-enum.rs +++ b/tests/debuginfo/generic-tuple-style-enum.rs @@ -1,6 +1,6 @@ // Require a gdb or lldb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 -// rust-lldb +// needs-rust-lldb // compile-flags:-g diff --git a/tests/debuginfo/method-on-generic-struct.rs b/tests/debuginfo/method-on-generic-struct.rs index bf047449164..138d8391d40 100644 --- a/tests/debuginfo/method-on-generic-struct.rs +++ b/tests/debuginfo/method-on-generic-struct.rs @@ -1,6 +1,6 @@ // Some versions of the non-rust-enabled LLDB print the wrong generic // parameter type names in this test. -// rust-lldb +// needs-rust-lldb // compile-flags:-g diff --git a/tests/debuginfo/struct-style-enum.rs b/tests/debuginfo/struct-style-enum.rs index 3d819e36898..0152dd9ea9b 100644 --- a/tests/debuginfo/struct-style-enum.rs +++ b/tests/debuginfo/struct-style-enum.rs @@ -1,6 +1,6 @@ // Require a gdb or lldb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 -// rust-lldb +// needs-rust-lldb // compile-flags:-g diff --git a/tests/debuginfo/tuple-style-enum.rs b/tests/debuginfo/tuple-style-enum.rs index 39ead172e65..60f3ecbd21e 100644 --- a/tests/debuginfo/tuple-style-enum.rs +++ b/tests/debuginfo/tuple-style-enum.rs @@ -1,6 +1,6 @@ // Require a gdb or lldb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 -// rust-lldb +// needs-rust-lldb // compile-flags:-g diff --git a/tests/debuginfo/unique-enum.rs b/tests/debuginfo/unique-enum.rs index d7dfaeefe2b..1ff6f5d9cbe 100644 --- a/tests/debuginfo/unique-enum.rs +++ b/tests/debuginfo/unique-enum.rs @@ -1,6 +1,6 @@ // Require a gdb or lldb that can read DW_TAG_variant_part. // min-gdb-version: 8.2 -// rust-lldb +// needs-rust-lldb // compile-flags:-g diff --git a/tests/incremental/issue-108481-feed-eval-always.rs b/tests/incremental/issue-108481-feed-eval-always.rs new file mode 100644 index 00000000000..8f346a7207e --- /dev/null +++ b/tests/incremental/issue-108481-feed-eval-always.rs @@ -0,0 +1,16 @@ +// revisions: cpass1 cpass2 + +#![crate_type = "rlib"] + +use std::fmt::Debug; + +// MCVE kindly provided by Nilstrieb at +// https://github.com/rust-lang/rust/issues/108481#issuecomment-1493080185 + +#[derive(Debug)] +pub struct ConstGeneric<const CHUNK_SIZE: usize> { + _p: [(); CHUNK_SIZE], +} + +#[cfg(cpass1)] +impl<const CHUNK_SIZE: usize> ConstGeneric<CHUNK_SIZE> {} diff --git a/tests/mir-opt/building/custom/references.raw_pointer_offset.built.after.mir b/tests/mir-opt/building/custom/references.raw_pointer_offset.built.after.mir new file mode 100644 index 00000000000..f614aef4029 --- /dev/null +++ b/tests/mir-opt/building/custom/references.raw_pointer_offset.built.after.mir @@ -0,0 +1,10 @@ +// MIR for `raw_pointer_offset` after built + +fn raw_pointer_offset(_1: *const i32) -> *const i32 { + let mut _0: *const i32; // return place in scope 0 at $DIR/references.rs:+0:45: +0:55 + + bb0: { + _0 = Offset(_1, const 1_isize); // scope 0 at $DIR/references.rs:+2:9: +2:33 + return; // scope 0 at $DIR/references.rs:+3:9: +3:17 + } +} diff --git a/tests/mir-opt/building/custom/references.rs b/tests/mir-opt/building/custom/references.rs index a1c896de04c..f87f6664c7a 100644 --- a/tests/mir-opt/building/custom/references.rs +++ b/tests/mir-opt/building/custom/references.rs @@ -45,11 +45,22 @@ pub fn raw_pointer(x: *const i32) -> *const i32 { }) } +// EMIT_MIR references.raw_pointer_offset.built.after.mir +#[custom_mir(dialect = "built")] +pub fn raw_pointer_offset(x: *const i32) -> *const i32 { + mir!({ + RET = Offset(x, 1_isize); + Return() + }) +} + fn main() { let mut x = 5; + let arr = [1, 2]; assert_eq!(*mut_ref(&mut x), 5); assert_eq!(*immut_ref(&x), 5); unsafe { assert_eq!(*raw_pointer(addr_of!(x)), 5); + assert_eq!(*raw_pointer_offset(addr_of!(arr[0])), 2); } } diff --git a/tests/mir-opt/div_overflow.const_dividend.PreCodegen.after.mir b/tests/mir-opt/div_overflow.const_dividend.PreCodegen.after.mir deleted file mode 100644 index 1a7fb916e56..00000000000 --- a/tests/mir-opt/div_overflow.const_dividend.PreCodegen.after.mir +++ /dev/null @@ -1,17 +0,0 @@ -// MIR for `const_dividend` after PreCodegen - -fn const_dividend(_1: i32) -> i32 { - debug a => _1; // in scope 0 at $DIR/div_overflow.rs:+0:23: +0:24 - let mut _0: i32; // return place in scope 0 at $DIR/div_overflow.rs:+0:34: +0:37 - let mut _2: bool; // in scope 0 at $DIR/div_overflow.rs:+1:5: +1:12 - - bb0: { - _2 = Eq(_1, const 0_i32); // scope 0 at $DIR/div_overflow.rs:+1:5: +1:12 - assert(!move _2, "attempt to divide `{}` by zero", const 256_i32) -> bb1; // scope 0 at $DIR/div_overflow.rs:+1:5: +1:12 - } - - bb1: { - _0 = Div(const 256_i32, _1); // scope 0 at $DIR/div_overflow.rs:+1:5: +1:12 - return; // scope 0 at $DIR/div_overflow.rs:+2:2: +2:2 - } -} diff --git a/tests/mir-opt/div_overflow.const_divisor.PreCodegen.after.mir b/tests/mir-opt/div_overflow.const_divisor.PreCodegen.after.mir deleted file mode 100644 index 5526a194be5..00000000000 --- a/tests/mir-opt/div_overflow.const_divisor.PreCodegen.after.mir +++ /dev/null @@ -1,11 +0,0 @@ -// MIR for `const_divisor` after PreCodegen - -fn const_divisor(_1: i32) -> i32 { - debug a => _1; // in scope 0 at $DIR/div_overflow.rs:+0:22: +0:23 - let mut _0: i32; // return place in scope 0 at $DIR/div_overflow.rs:+0:33: +0:36 - - bb0: { - _0 = Div(_1, const 256_i32); // scope 0 at $DIR/div_overflow.rs:+1:5: +1:12 - return; // scope 0 at $DIR/div_overflow.rs:+2:2: +2:2 - } -} diff --git a/tests/mir-opt/div_overflow.rs b/tests/mir-opt/div_overflow.rs deleted file mode 100644 index fe34a865b93..00000000000 --- a/tests/mir-opt/div_overflow.rs +++ /dev/null @@ -1,19 +0,0 @@ -// ignore-wasm32 compiled with panic=abort by default -// compile-flags: -Copt-level=0 -Coverflow-checks=yes - -// Tests that division with a const does not emit a panicking branch for overflow - -// EMIT_MIR div_overflow.const_divisor.PreCodegen.after.mir -pub fn const_divisor(a: i32) -> i32 { - a / 256 -} - -// EMIT_MIR div_overflow.const_dividend.PreCodegen.after.mir -pub fn const_dividend(a: i32) -> i32 { - 256 / a -} - -fn main() { - const_divisor(123); - const_dividend(123); -} diff --git a/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir new file mode 100644 index 00000000000..f50c0eb4788 --- /dev/null +++ b/tests/mir-opt/issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir @@ -0,0 +1,25 @@ +// MIR for `main` after AbortUnwindingCalls + +fn main() -> () { + let mut _0: (); // return place in scope 0 at $DIR/issue_104451_unwindable_intrinsics.rs:+0:11: +0:11 + let mut _1: !; // in scope 0 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:9: +2:62 + let mut _2: (); // in scope 0 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:45: +2:47 + scope 1 { + } + + bb0: { + StorageLive(_1); // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:9: +2:62 + StorageLive(_2); // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:45: +2:47 + _2 = (); // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:45: +2:47 + _1 = const_eval_select::<(), fn() -> ! {ow_ct}, fn() -> ! {ow_ct}, !>(move _2, ow_ct, ow_ct); // scope 1 at $DIR/issue_104451_unwindable_intrinsics.rs:+2:9: +2:62 + // mir::Constant + // + span: $DIR/issue_104451_unwindable_intrinsics.rs:8:9: 8:44 + // + literal: Const { ty: unsafe extern "rust-intrinsic" fn((), fn() -> ! {ow_ct}, fn() -> ! {ow_ct}) -> ! {const_eval_select::<(), fn() -> ! {ow_ct}, fn() -> ! {ow_ct}, !>}, val: Value(<ZST>) } + // mir::Constant + // + span: $DIR/issue_104451_unwindable_intrinsics.rs:8:49: 8:54 + // + literal: Const { ty: fn() -> ! {ow_ct}, val: Value(<ZST>) } + // mir::Constant + // + span: $DIR/issue_104451_unwindable_intrinsics.rs:8:56: 8:61 + // + literal: Const { ty: fn() -> ! {ow_ct}, val: Value(<ZST>) } + } +} diff --git a/tests/mir-opt/issue_104451_unwindable_intrinsics.rs b/tests/mir-opt/issue_104451_unwindable_intrinsics.rs new file mode 100644 index 00000000000..9babd4aaed5 --- /dev/null +++ b/tests/mir-opt/issue_104451_unwindable_intrinsics.rs @@ -0,0 +1,14 @@ +// Check that `UnwindAction::Unreachable` is not generated for unwindable intrinsics. +// ignore-wasm32 compiled with panic=abort by default +#![feature(core_intrinsics)] + +// EMIT_MIR issue_104451_unwindable_intrinsics.main.AbortUnwindingCalls.after.mir +fn main() { + unsafe { + core::intrinsics::const_eval_select((), ow_ct, ow_ct) + } +} + +const fn ow_ct() -> ! { + panic!(); +} diff --git a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.diff index 935eccfc6f4..e95c3f9bcc7 100644 --- a/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.assume.LowerIntrinsics.diff @@ -11,7 +11,7 @@ StorageLive(_1); // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38 - _1 = std::intrinsics::assume(const true) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:105:9: 105:32 +- // + span: $DIR/lower_intrinsics.rs:106:9: 106:32 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(bool) {std::intrinsics::assume}, val: Value(<ZST>) } + assume(const true); // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38 + goto -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+2:9: +2:38 diff --git a/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff index b0c32e4b21a..a54e9a9320e 100644 --- a/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.f_copy_nonoverlapping.LowerIntrinsics.diff @@ -49,7 +49,7 @@ StorageDead(_9); // scope 3 at $DIR/lower_intrinsics.rs:+4:90: +4:91 - _3 = copy_nonoverlapping::<i32>(move _4, move _8, const 0_usize) -> [return: bb1, unwind unreachable]; // scope 3 at $DIR/lower_intrinsics.rs:+4:9: +4:95 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:98:9: 98:28 +- // + span: $DIR/lower_intrinsics.rs:99:9: 99:28 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32, *mut i32, usize) {copy_nonoverlapping::<i32>}, val: Value(<ZST>) } + copy_nonoverlapping(dst = move _8, src = move _4, count = const 0_usize); // scope 3 at $DIR/lower_intrinsics.rs:+4:9: +4:95 + goto -> bb1; // scope 3 at $DIR/lower_intrinsics.rs:+4:9: +4:95 diff --git a/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff index 93863fca344..cc5079af7f4 100644 --- a/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.option_payload.LowerIntrinsics.diff @@ -24,7 +24,7 @@ _4 = &raw const (*_1); // scope 1 at $DIR/lower_intrinsics.rs:+2:55: +2:56 - _3 = option_payload_ptr::<usize>(move _4) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:132:18: 132:54 +- // + span: $DIR/lower_intrinsics.rs:133:18: 133:54 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Option<usize>) -> *const usize {option_payload_ptr::<usize>}, val: Value(<ZST>) } + _3 = &raw const (((*_4) as Some).0: usize); // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57 + goto -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+2:18: +2:57 @@ -37,7 +37,7 @@ _6 = &raw const (*_2); // scope 2 at $DIR/lower_intrinsics.rs:+3:55: +3:56 - _5 = option_payload_ptr::<String>(move _6) -> [return: bb2, unwind unreachable]; // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:133:18: 133:54 +- // + span: $DIR/lower_intrinsics.rs:134:18: 134:54 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Option<String>) -> *const String {option_payload_ptr::<String>}, val: Value(<ZST>) } + _5 = &raw const (((*_6) as Some).0: std::string::String); // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57 + goto -> bb2; // scope 2 at $DIR/lower_intrinsics.rs:+3:18: +3:57 diff --git a/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.diff index f816678b4b3..5805df48f54 100644 --- a/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.read_via_copy_primitive.LowerIntrinsics.diff @@ -13,7 +13,7 @@ _2 = &raw const (*_1); // scope 1 at $DIR/lower_intrinsics.rs:+1:46: +1:47 - _0 = read_via_copy::<i32>(move _2) -> [return: bb1, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:118:14: 118:45 +- // + span: $DIR/lower_intrinsics.rs:119:14: 119:45 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const i32) -> i32 {read_via_copy::<i32>}, val: Value(<ZST>) } + _0 = (*_2); // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48 + goto -> bb1; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48 diff --git a/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.diff index f3416418922..95b2ec49d80 100644 --- a/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.read_via_copy_uninhabited.LowerIntrinsics.diff @@ -13,7 +13,7 @@ _2 = &raw const (*_1); // scope 1 at $DIR/lower_intrinsics.rs:+1:46: +1:47 - _0 = read_via_copy::<Never>(move _2) -> unwind unreachable; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:123:14: 123:45 +- // + span: $DIR/lower_intrinsics.rs:124:14: 124:45 - // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(*const Never) -> Never {read_via_copy::<Never>}, val: Value(<ZST>) } + unreachable; // scope 1 at $DIR/lower_intrinsics.rs:+1:14: +1:48 } diff --git a/tests/mir-opt/lower_intrinsics.rs b/tests/mir-opt/lower_intrinsics.rs index ec215c9a664..33fef930ad3 100644 --- a/tests/mir-opt/lower_intrinsics.rs +++ b/tests/mir-opt/lower_intrinsics.rs @@ -1,7 +1,7 @@ // unit-test: LowerIntrinsics // ignore-wasm32 compiled with panic=abort by default -#![feature(core_intrinsics, intrinsics)] +#![feature(core_intrinsics, intrinsics, rustc_attrs)] #![crate_type = "lib"] // EMIT_MIR lower_intrinsics.wrapping.LowerIntrinsics.diff @@ -87,6 +87,7 @@ pub fn discriminant<T>(t: T) { extern "rust-intrinsic" { // Cannot use `std::intrinsics::copy_nonoverlapping` as that is a wrapper function + #[rustc_nounwind] fn copy_nonoverlapping<T>(src: *const T, dst: *mut T, count: usize); } diff --git a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff index fb12d3dfa6e..9cf4fbb88f3 100644 --- a/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff +++ b/tests/mir-opt/lower_intrinsics.with_overflow.LowerIntrinsics.diff @@ -32,7 +32,7 @@ _5 = _2; // scope 0 at $DIR/lower_intrinsics.rs:+1:53: +1:54 - _3 = add_with_overflow::<i32>(move _4, move _5) -> [return: bb1, unwind unreachable]; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:111:14: 111:49 +- // + span: $DIR/lower_intrinsics.rs:112:14: 112:49 - // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {add_with_overflow::<i32>}, val: Value(<ZST>) } + _3 = CheckedAdd(move _4, move _5); // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 + goto -> bb1; // scope 0 at $DIR/lower_intrinsics.rs:+1:14: +1:55 @@ -48,7 +48,7 @@ _8 = _2; // scope 1 at $DIR/lower_intrinsics.rs:+2:53: +2:54 - _6 = sub_with_overflow::<i32>(move _7, move _8) -> [return: bb2, unwind unreachable]; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:112:14: 112:49 +- // + span: $DIR/lower_intrinsics.rs:113:14: 113:49 - // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {sub_with_overflow::<i32>}, val: Value(<ZST>) } + _6 = CheckedSub(move _7, move _8); // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 + goto -> bb2; // scope 1 at $DIR/lower_intrinsics.rs:+2:14: +2:55 @@ -64,7 +64,7 @@ _11 = _2; // scope 2 at $DIR/lower_intrinsics.rs:+3:53: +3:54 - _9 = mul_with_overflow::<i32>(move _10, move _11) -> [return: bb3, unwind unreachable]; // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 - // mir::Constant -- // + span: $DIR/lower_intrinsics.rs:113:14: 113:49 +- // + span: $DIR/lower_intrinsics.rs:114:14: 114:49 - // + literal: Const { ty: extern "rust-intrinsic" fn(i32, i32) -> (i32, bool) {mul_with_overflow::<i32>}, val: Value(<ZST>) } + _9 = CheckedMul(move _10, move _11); // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 + goto -> bb3; // scope 2 at $DIR/lower_intrinsics.rs:+3:14: +3:55 diff --git a/tests/mir-opt/simplify_arm.rs b/tests/mir-opt/simplify_arm.rs index c247872e2af..4c471ce0468 100644 --- a/tests/mir-opt/simplify_arm.rs +++ b/tests/mir-opt/simplify_arm.rs @@ -6,8 +6,7 @@ // EMIT_MIR simplify_arm.id_try.SimplifyArmIdentity.diff // EMIT_MIR simplify_arm.id_try.SimplifyBranchSame.diff -// This pass is broken since deaggregation changed -// ignore-test +// ignore-test This pass is broken since deaggregation changed fn id(o: Option<u8>) -> Option<u8> { match o { diff --git a/tests/mir-opt/simplify_arm_identity.rs b/tests/mir-opt/simplify_arm_identity.rs index cf6ff57aa96..e122cd50e00 100644 --- a/tests/mir-opt/simplify_arm_identity.rs +++ b/tests/mir-opt/simplify_arm_identity.rs @@ -4,8 +4,7 @@ // compile-flags: -Zmir-opt-level=3 // EMIT_MIR_FOR_EACH_BIT_WIDTH -// This pass is broken since deaggregation changed -// ignore-test +// ignore-test This pass is broken since deaggregation changed enum Src { Foo(u8), diff --git a/tests/run-make/const_fn_mir/dump.mir b/tests/run-make/const_fn_mir/dump.mir index ab4084c952a..9cc70d3b0e6 100644 --- a/tests/run-make/const_fn_mir/dump.mir +++ b/tests/run-make/const_fn_mir/dump.mir @@ -2,9 +2,15 @@ // and is subject to change without notice. Knock yourself out. fn foo() -> i32 { let mut _0: i32; // return place in scope 0 at main.rs:4:19: 4:22 + let mut _1: (i32, bool); // in scope 0 at main.rs:5:5: 5:10 bb0: { - _0 = const 11_i32; // scope 0 at main.rs:5:5: 5:10 + _1 = CheckedAdd(const 5_i32, const 6_i32); // scope 0 at main.rs:5:5: 5:10 + assert(!move (_1.1: bool), "attempt to compute `{} + {}`, which would overflow", const 5_i32, const 6_i32) -> bb1; // scope 0 at main.rs:5:5: 5:10 + } + + bb1: { + _0 = move (_1.0: i32); // scope 0 at main.rs:5:5: 5:10 return; // scope 0 at main.rs:6:2: 6:2 } } diff --git a/tests/run-make/issue-107094/Makefile b/tests/run-make/issue-107094/Makefile new file mode 100644 index 00000000000..d614e3e1055 --- /dev/null +++ b/tests/run-make/issue-107094/Makefile @@ -0,0 +1,7 @@ +# needs-git-hash + +include ../tools.mk + +all: + $(BARE_RUSTC) --version --verbose | $(CGREP) -i -e "commit-hash: [0-9a-f]{40}" "commit-date: [0-9]{4}-[0-9]{2}-[0-9]{2}" + $(BARE_RUSTDOC) --version --verbose | $(CGREP) -i -e "commit-hash: [0-9a-f]{40}" "commit-date: [0-9]{4}-[0-9]{2}-[0-9]{2}" diff --git a/tests/run-make/jobserver-error/Makefile b/tests/run-make/jobserver-error/Makefile index 39946ae5edb..4a1699cc740 100644 --- a/tests/run-make/jobserver-error/Makefile +++ b/tests/run-make/jobserver-error/Makefile @@ -1,6 +1,7 @@ include ../tools.mk # only-linux +# ignore-test: This test randomly fails, see https://github.com/rust-lang/rust/issues/110321 # Test compiler behavior in case: `jobserver-auth` points to correct pipe which is not jobserver. diff --git a/tests/run-make/rustdoc-shared-flags/Makefile b/tests/run-make/rustdoc-shared-flags/Makefile new file mode 100644 index 00000000000..a2a7d7b3634 --- /dev/null +++ b/tests/run-make/rustdoc-shared-flags/Makefile @@ -0,0 +1,18 @@ +include ../tools.mk + +all: z_help c_help list_passes + +c_help: + $(RUSTC) -C help > $(TMPDIR)/rustc.c_help.txt + $(RUSTDOC) -C help > $(TMPDIR)/rustdoc.c_help.txt + $(DIFF) $(TMPDIR)/rustc.c_help.txt $(TMPDIR)/rustdoc.c_help.txt + +z_help: + $(RUSTC) -Z help > $(TMPDIR)/rustc.z_help.txt + $(RUSTDOC) -Z help > $(TMPDIR)/rustdoc.z_help.txt + $(DIFF) $(TMPDIR)/rustc.z_help.txt $(TMPDIR)/rustdoc.z_help.txt + +list_passes: + $(RUSTC) -C passes=list > $(TMPDIR)/rustc.passes.txt + $(RUSTDOC) -C passes=list > $(TMPDIR)/rustdoc.passes.txt + $(DIFF) $(TMPDIR)/rustc.passes.txt $(TMPDIR)/rustdoc.passes.txt diff --git a/tests/run-make/rustdoc-verify-output-files/Makefile b/tests/run-make/rustdoc-verify-output-files/Makefile index 57ac7078d14..76f233ab445 100644 --- a/tests/run-make/rustdoc-verify-output-files/Makefile +++ b/tests/run-make/rustdoc-verify-output-files/Makefile @@ -14,7 +14,7 @@ all: $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --out-dir $(OUTPUT_DIR) # Check if everything exactly same - $(DIFF) -r -q $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) + $(DIFF) -r $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) # Generate json doc on the same output $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --out-dir $(OUTPUT_DIR) -Z unstable-options --output-format json @@ -29,4 +29,4 @@ all: $(RUSTDOC) src/lib.rs --crate-name foobar --crate-type lib --out-dir $(OUTPUT_DIR) -Z unstable-options --output-format json # Check if all docs(including both json and html formats) are still the same after multiple compilations - $(DIFF) -r -q $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) + $(DIFF) -r $(OUTPUT_DIR) $(TMP_OUTPUT_DIR) diff --git a/tests/rustdoc-gui/settings.goml b/tests/rustdoc-gui/settings.goml index cfb037245d1..733be9bebba 100644 --- a/tests/rustdoc-gui/settings.goml +++ b/tests/rustdoc-gui/settings.goml @@ -56,11 +56,12 @@ move-cursor-to: "#settings-menu > a" assert-css: ( "#theme-dark", { - "border-color": "rgb(221, 221, 221)", + "border-color": "rgb(153, 153, 153)", "box-shadow": "rgb(53, 53, 53) 0px 0px 0px 3px inset", + "border-width": "2px", }, ) -assert-css: ("#theme-light", {"border-color": "rgb(221, 221, 221)", "box-shadow": "none"}) +assert-css: ("#theme-light", {"border-color": "rgb(153, 153, 153)", "box-shadow": "none"}) // Let's start with the hover for radio buttons. move-cursor-to: "#theme-dark" assert-css: ( @@ -68,26 +69,36 @@ assert-css: ( { "border-color": "rgb(33, 150, 243)", "box-shadow": "rgb(53, 53, 53) 0px 0px 0px 3px inset", + "border-width": "2px", }, ) move-cursor-to: "#theme-light" -assert-css: ("#theme-light", {"border-color": "rgb(33, 150, 243)", "box-shadow": "none"}) +assert-css: ( + "#theme-light", + { + "border-color": "rgb(33, 150, 243)", + "box-shadow": "none", + "border-width": "2px", + } +) move-cursor-to: "#theme-ayu" // Let's now check with the focus for radio buttons. focus: "#theme-dark" assert-css: ( "#theme-dark", { - "border-color": "rgb(221, 221, 221)", + "border-color": "rgb(153, 153, 153)", "box-shadow": "rgb(53, 53, 53) 0px 0px 0px 3px inset, rgb(33, 150, 243) 0px 0px 2px 2px", + "border-width": "2px", }, ) focus: "#theme-light" assert-css: ( "#theme-light", { - "border-color": "rgb(221, 221, 221)", + "border-color": "rgb(153, 153, 153)", "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px", + "border-width": "2px", }, ) // Now we check we both focus and hover for radio buttons. @@ -98,6 +109,7 @@ assert-css: ( { "border-color": "rgb(33, 150, 243)", "box-shadow": "rgb(53, 53, 53) 0px 0px 0px 3px inset, rgb(33, 150, 243) 0px 0px 2px 2px", + "border-width": "2px", }, ) move-cursor-to: "#theme-light" @@ -107,6 +119,7 @@ assert-css: ( { "border-color": "rgb(33, 150, 243)", "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px", + "border-width": "2px", }, ) // Now we check the setting-radio-name is on a different line than the label. @@ -142,7 +155,18 @@ assert-css: ( "#auto-hide-large-items", { "background-color": "rgb(33, 150, 243)", - "border-color": "rgb(221, 221, 221)", + "border-color": "rgb(153, 153, 153)", + // 1px border when checked + "border-width": "1px", + }, +) +assert-css: ( + "#auto-hide-method-docs", + { + "background-color": "rgba(0, 0, 0, 0)", + "border-color": "rgb(153, 153, 153)", + // 2px border when unchecked + "border-width": "2px", }, ) // Let's start with the hover for toggles. @@ -152,6 +176,18 @@ assert-css: ( { "background-color": "rgb(33, 150, 243)", "border-color": "rgb(33, 150, 243)", + // 1px border when checked + "border-width": "1px", + }, +) +move-cursor-to: "#auto-hide-method-docs" +assert-css: ( + "#auto-hide-method-docs", + { + "background-color": "rgba(0, 0, 0, 0)", + "border-color": "rgb(33, 150, 243)", + // 2px border when unchecked + "border-width": "2px", }, ) move-cursor-to: "#settings-menu > a" @@ -161,8 +197,21 @@ assert-css: ( "#auto-hide-large-items", { "background-color": "rgb(33, 150, 243)", - "border-color": "rgb(221, 221, 221)", + "border-color": "rgb(153, 153, 153)", + "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px", + // 1px border when checked + "border-width": "1px", + }, +) +focus: "#auto-hide-method-docs" +assert-css: ( + "#auto-hide-method-docs", + { + "background-color": "rgba(0, 0, 0, 0)", + "border-color": "rgb(153, 153, 153)", "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px", + // 2px border when unchecked + "border-width": "2px", }, ) // Now we check we both focus and hover for toggles. @@ -174,6 +223,20 @@ assert-css: ( "background-color": "rgb(33, 150, 243)", "border-color": "rgb(33, 150, 243)", "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px", + // 1px border when checked + "border-width": "1px", + }, +) +move-cursor-to: "#auto-hide-method-docs" +focus: "#auto-hide-method-docs" +assert-css: ( + "#auto-hide-method-docs", + { + "background-color": "rgba(0, 0, 0, 0)", + "border-color": "rgb(33, 150, 243)", + "box-shadow": "rgb(33, 150, 243) 0px 0px 1px 1px", + // 2px border when unchecked + "border-width": "2px", }, ) diff --git a/tests/rustdoc-gui/sidebar-mobile-scroll.goml b/tests/rustdoc-gui/sidebar-mobile-scroll.goml index 84811437eb2..d58d1d48726 100644 --- a/tests/rustdoc-gui/sidebar-mobile-scroll.goml +++ b/tests/rustdoc-gui/sidebar-mobile-scroll.goml @@ -1,31 +1,12 @@ -// This test ensures that the mobile sidebar preserves scroll position. +// This test ensures that the mobile disables scrolling the page. go-to: "file://" + |DOC_PATH| + "/test_docs/struct.Foo.html" -// Switching to "mobile view" by reducing the width to 600px. -set-window-size: (700, 600) -assert-css: (".sidebar", {"display": "block", "left": "-1000px"}) - -// Scroll down. -scroll-to: "//h2[@id='blanket-implementations']" -assert-window-property: {"pageYOffset": "622"} - -// Open the sidebar menu. -click: ".sidebar-menu-toggle" -wait-for-css: (".sidebar", {"left": "0px"}) - -// We are no longer "scrolled". It's important that the user can't -// scroll the body at all, but these test scripts are run only in Chrome, -// and we need to use a more complicated solution to this problem because -// of Mobile Safari... -assert-window-property: {"pageYOffset": "0"} - -// Close the sidebar menu. Make sure the scroll position gets restored. -click: ".sidebar-menu-toggle" -wait-for-css: (".sidebar", {"left": "-1000px"}) -assert-window-property: {"pageYOffset": "622"} - -// Now test that scrollability returns when the browser window is just resized. -click: ".sidebar-menu-toggle" -wait-for-css: (".sidebar", {"left": "0px"}) -assert-window-property: {"pageYOffset": "0"} -set-window-size: (900, 600) -assert-window-property: {"pageYOffset": "622"} +set-window-size: (1280, 800) // desktop +assert-css: (".sidebar", {"overscroll-behavior": "contain"}) +set-window-size: (700, 600) // mobile +assert-css: (".sidebar", {"overscroll-behavior": "contain"}) + +go-to: "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html" +set-window-size: (1280, 800) // desktop +assert-css: (".sidebar", {"overscroll-behavior": "contain"}) +set-window-size: (700, 600) // mobile +assert-css: (".sidebar", {"overscroll-behavior": "contain"}) diff --git a/tests/rustdoc-gui/sidebar-source-code-display.goml b/tests/rustdoc-gui/sidebar-source-code-display.goml index f34e30b724d..20bf0596f95 100644 --- a/tests/rustdoc-gui/sidebar-source-code-display.goml +++ b/tests/rustdoc-gui/sidebar-source-code-display.goml @@ -183,22 +183,12 @@ wait-for-css: (".sidebar", {"left": "-1000px"}) // The "scrollTop" property should be the same. assert-window-property: {"pageYOffset": "2542"} -// We now check that the scroll position is restored if the window is resized. -set-window-size: (500, 700) -click: "#src-sidebar-toggle" -wait-for-css: ("#source-sidebar", {"visibility": "visible"}) -assert-window-property: {"pageYOffset": "0"} -set-window-size: (900, 900) -assert-window-property: {"pageYOffset": "2542"} -set-window-size: (500, 700) -click: "#src-sidebar-toggle" -wait-for-css: ("#source-sidebar", {"visibility": "hidden"}) - // We now check that opening the sidebar and clicking a link will close it. // The behavior here on mobile is different than the behavior on desktop, // but common sense dictates that if you have a list of files that fills the entire screen, and // you click one of them, you probably want to actually see the file's contents, and not just // make it the current selection. +set-window-size: (500, 700) click: "#src-sidebar-toggle" wait-for-css: ("#source-sidebar", {"visibility": "visible"}) assert-local-storage: {"rustdoc-source-sidebar-show": "true"} diff --git a/tests/rustdoc-js-std/parser-generics.js b/tests/rustdoc-js-std/parser-generics.js index c448d845acb..5a2266dbe36 100644 --- a/tests/rustdoc-js-std/parser-generics.js +++ b/tests/rustdoc-js-std/parser-generics.js @@ -1,4 +1,11 @@ -const QUERY = ['A<B<C<D>, E>', 'p<> u8', '"p"<a>']; +const QUERY = [ + 'A<B<C<D>, E>', + 'p<> u8', + '"p"<a>', + 'p<u<x>>', + 'p<u<x>, r>', + 'p<u<x, r>>', +]; const PARSED = [ { @@ -7,7 +14,7 @@ const PARSED = [ original: 'A<B<C<D>, E>', returned: [], userQuery: 'a<b<c<d>, e>', - error: 'Unexpected `<` after `<`', + error: 'Unclosed `<`', }, { elems: [ @@ -59,4 +66,117 @@ const PARSED = [ userQuery: '"p"<a>', error: null, }, + { + elems: [ + { + name: "p", + fullPath: ["p"], + pathWithoutLast: [], + pathLast: "p", + generics: [ + { + name: "u", + fullPath: ["u"], + pathWithoutLast: [], + pathLast: "u", + generics: [ + { + name: "x", + fullPath: ["x"], + pathWithoutLast: [], + pathLast: "x", + generics: [], + }, + ], + }, + ], + typeFilter: -1, + }, + ], + foundElems: 1, + original: 'p<u<x>>', + returned: [], + userQuery: 'p<u<x>>', + error: null, + }, + { + elems: [ + { + name: "p", + fullPath: ["p"], + pathWithoutLast: [], + pathLast: "p", + generics: [ + { + name: "u", + fullPath: ["u"], + pathWithoutLast: [], + pathLast: "u", + generics: [ + { + name: "x", + fullPath: ["x"], + pathWithoutLast: [], + pathLast: "x", + generics: [], + }, + ], + }, + { + name: "r", + fullPath: ["r"], + pathWithoutLast: [], + pathLast: "r", + generics: [], + }, + ], + typeFilter: -1, + }, + ], + foundElems: 1, + original: 'p<u<x>, r>', + returned: [], + userQuery: 'p<u<x>, r>', + error: null, + }, + { + elems: [ + { + name: "p", + fullPath: ["p"], + pathWithoutLast: [], + pathLast: "p", + generics: [ + { + name: "u", + fullPath: ["u"], + pathWithoutLast: [], + pathLast: "u", + generics: [ + { + name: "x", + fullPath: ["x"], + pathWithoutLast: [], + pathLast: "x", + generics: [], + }, + { + name: "r", + fullPath: ["r"], + pathWithoutLast: [], + pathLast: "r", + generics: [], + }, + ], + }, + ], + typeFilter: -1, + }, + ], + foundElems: 1, + original: 'p<u<x, r>>', + returned: [], + userQuery: 'p<u<x, r>>', + error: null, + }, ]; diff --git a/tests/rustdoc-js/generics-nested.js b/tests/rustdoc-js/generics-nested.js new file mode 100644 index 00000000000..8701f2d4986 --- /dev/null +++ b/tests/rustdoc-js/generics-nested.js @@ -0,0 +1,33 @@ +// exact-check + +const QUERY = [ + '-> Out<First<Second>>', + '-> Out<Second<First>>', + '-> Out<First, Second>', + '-> Out<Second, First>', +]; + +const EXPECTED = [ + { + // -> Out<First<Second>> + 'others': [ + { 'path': 'generics_nested', 'name': 'alef' }, + ], + }, + { + // -> Out<Second<First>> + 'others': [], + }, + { + // -> Out<First, Second> + 'others': [ + { 'path': 'generics_nested', 'name': 'bet' }, + ], + }, + { + // -> Out<Second, First> + 'others': [ + { 'path': 'generics_nested', 'name': 'bet' }, + ], + }, +]; diff --git a/tests/rustdoc-js/generics-nested.rs b/tests/rustdoc-js/generics-nested.rs new file mode 100644 index 00000000000..5140422e384 --- /dev/null +++ b/tests/rustdoc-js/generics-nested.rs @@ -0,0 +1,19 @@ +pub struct Out<A, B = ()> { + a: A, + b: B, +} + +pub struct First<In = ()> { + in_: In, +} + +pub struct Second; + +// Out<First<Second>> +pub fn alef() -> Out<First<Second>> { + loop {} +} + +pub fn bet() -> Out<First, Second> { + loop {} +} diff --git a/tests/rustdoc-ui/c-help.rs b/tests/rustdoc-ui/c-help.rs deleted file mode 100644 index e166edf8b61..00000000000 --- a/tests/rustdoc-ui/c-help.rs +++ /dev/null @@ -1,6 +0,0 @@ -// check-pass -// compile-flags: -Chelp -// check-stdout -// regex-error-pattern: -C\s+incremental - -pub struct Foo; diff --git a/tests/rustdoc-ui/c-help.stdout b/tests/rustdoc-ui/c-help.stdout deleted file mode 100644 index 0bd2d73efee..00000000000 --- a/tests/rustdoc-ui/c-help.stdout +++ /dev/null @@ -1,51 +0,0 @@ - -C ar=val -- this option is deprecated and does nothing - -C code-model=val -- choose the code model to use (`rustc --print code-models` for details) - -C codegen-units=val -- divide crate into N units to optimize in parallel - -C control-flow-guard=val -- use Windows Control Flow Guard (default: no) - -C debug-assertions=val -- explicitly enable the `cfg(debug_assertions)` directive - -C debuginfo=val -- debug info emission level (0-2, none, line-directives-only, line-tables-only, limited, or full; default: 0) - -C default-linker-libraries=val -- allow the linker to link its default libraries (default: no) - -C embed-bitcode=val -- emit bitcode in rlibs (default: yes) - -C extra-filename=val -- extra data to put in each output filename - -C force-frame-pointers=val -- force use of the frame pointers - -C force-unwind-tables=val -- force use of unwind tables - -C incremental=val -- enable incremental compilation - -C inline-threshold=val -- set the threshold for inlining a function - -C instrument-coverage=val -- instrument the generated code to support LLVM source-based code coverage reports (note, the compiler build config must include `profiler = true`); implies `-C symbol-mangling-version=v0`. Optional values are: - `=all` (implicit value) - `=except-unused-generics` - `=except-unused-functions` - `=off` (default) - -C link-arg=val -- a single extra argument to append to the linker invocation (can be used several times) - -C link-args=val -- extra arguments to append to the linker invocation (space separated) - -C link-dead-code=val -- keep dead code at link time (useful for code coverage) (default: no) - -C link-self-contained=val -- control whether to link Rust provided C objects/libraries or rely - on C toolchain installed in the system - -C linker=val -- system linker to link outputs with - -C linker-flavor=val -- linker flavor - -C linker-plugin-lto=val -- generate build artifacts that are compatible with linker-based LTO - -C llvm-args=val -- a list of arguments to pass to LLVM (space separated) - -C lto=val -- perform LLVM link-time optimizations - -C metadata=val -- metadata to mangle symbol names with - -C no-prepopulate-passes=val -- give an empty list of passes to the pass manager - -C no-redzone=val -- disable the use of the redzone - -C no-stack-check=val -- this option is deprecated and does nothing - -C no-vectorize-loops=val -- disable loop vectorization optimization passes - -C no-vectorize-slp=val -- disable LLVM's SLP vectorization pass - -C opt-level=val -- optimization level (0-3, s, or z; default: 0) - -C overflow-checks=val -- use overflow checks for integer arithmetic - -C panic=val -- panic strategy to compile crate with - -C passes=val -- a list of extra LLVM passes to run (space separated) - -C prefer-dynamic=val -- prefer dynamic linking to static linking (default: no) - -C profile-generate=val -- compile the program with profiling instrumentation - -C profile-use=val -- use the given `.profdata` file for profile-guided optimization - -C relocation-model=val -- control generation of position-independent code (PIC) (`rustc --print relocation-models` for details) - -C remark=val -- print remarks for these optimization passes (space separated, or "all") - -C rpath=val -- set rpath values in libs/exes (default: no) - -C save-temps=val -- save all temporary output files during compilation (default: no) - -C soft-float=val -- use soft float ABI (*eabihf targets only) (default: no) - -C split-debuginfo=val -- how to handle split-debuginfo, a platform-specific option - -C strip=val -- tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`) - -C symbol-mangling-version=val -- which mangling version to use for symbol names ('legacy' (default) or 'v0') - -C target-cpu=val -- select target processor (`rustc --print target-cpus` for details) - -C target-feature=val -- target specific attributes. (`rustc --print target-features` for details). This feature is unsafe. diff --git a/tests/rustdoc-ui/run-directory.rs b/tests/rustdoc-ui/run-directory.rs index bbceaaf824f..b8d0647f08d 100644 --- a/tests/rustdoc-ui/run-directory.rs +++ b/tests/rustdoc-ui/run-directory.rs @@ -2,8 +2,8 @@ // revisions: correct incorrect // check-pass -// [correct]compile-flags:--test --test-run-directory={{src-base}} -Zunstable-options -// [incorrect]compile-flags:--test --test-run-directory={{src-base}}/coverage -Zunstable-options +// [correct]compile-flags:--test --test-run-directory={{src-base}} +// [incorrect]compile-flags:--test --test-run-directory={{src-base}}/coverage // normalize-stdout-test: "tests/rustdoc-ui" -> "$$DIR" // normalize-stdout-test "finished in \d+\.\d+s" -> "finished in $$TIME" diff --git a/tests/rustdoc-ui/z-help.rs b/tests/rustdoc-ui/z-help.rs deleted file mode 100644 index c7cf841b937..00000000000 --- a/tests/rustdoc-ui/z-help.rs +++ /dev/null @@ -1,6 +0,0 @@ -// check-pass -// compile-flags: -Zhelp -// check-stdout -// regex-error-pattern: -Z\s+self-profile - -pub struct Foo; diff --git a/tests/rustdoc-ui/z-help.stdout b/tests/rustdoc-ui/z-help.stdout deleted file mode 100644 index 72f5f933d8d..00000000000 --- a/tests/rustdoc-ui/z-help.stdout +++ /dev/null @@ -1,220 +0,0 @@ - -Z allow-features=val -- only allow the listed language features to be enabled in code (comma separated) - -Z always-encode-mir=val -- encode MIR of all functions into the crate metadata (default: no) - -Z asm-comments=val -- generate comments into the assembly (may change behavior) (default: no) - -Z assert-incr-state=val -- assert that the incremental cache is in given state: either `loaded` or `not-loaded`. - -Z assume-incomplete-release=val -- make cfg(version) treat the current version as incomplete (default: no) - -Z binary-dep-depinfo=val -- include artifacts (sysroot, crate dependencies) used during compilation in dep-info (default: no) - -Z box-noalias=val -- emit noalias metadata for box (default: yes) - -Z branch-protection=val -- set options for branch target identification and pointer authentication on AArch64 - -Z cf-protection=val -- instrument control-flow architecture protection - -Z cgu-partitioning-strategy=val -- the codegen unit partitioning strategy to use - -Z codegen-backend=val -- the backend to use - -Z combine-cgu=val -- combine CGUs into a single one - -Z crate-attr=val -- inject the given attribute in the crate - -Z debug-info-for-profiling=val -- emit discriminators and other data necessary for AutoFDO - -Z debug-macros=val -- emit line numbers debug info inside macros (default: no) - -Z deduplicate-diagnostics=val -- deduplicate identical diagnostics (default: yes) - -Z dep-info-omit-d-target=val -- in dep-info output, omit targets for tracking dependencies of the dep-info files themselves (default: no) - -Z dep-tasks=val -- print tasks that execute and the color their dep node gets (requires debug build) (default: no) - -Z diagnostic-width=val -- set the current output width for diagnostic truncation - -Z dlltool=val -- import library generation tool (windows-gnu only) - -Z dont-buffer-diagnostics=val -- emit diagnostics rather than buffering (breaks NLL error downgrading, sorting) (default: no) - -Z drop-tracking=val -- enables drop tracking in generators (default: no) - -Z drop-tracking-mir=val -- enables drop tracking on MIR in generators (default: no) - -Z dual-proc-macros=val -- load proc macros for both target and host, but only link to the target (default: no) - -Z dump-dep-graph=val -- dump the dependency graph to $RUST_DEP_GRAPH (default: /tmp/dep_graph.gv) (default: no) - -Z dump-drop-tracking-cfg=val -- dump drop-tracking control-flow graph as a `.dot` file (default: no) - -Z dump-mir=val -- dump MIR state to file. - `val` is used to select which passes and functions to dump. For example: - `all` matches all passes and functions, - `foo` matches all passes for functions whose name contains 'foo', - `foo & ConstProp` only the 'ConstProp' pass for function names containing 'foo', - `foo | bar` all passes for function names containing 'foo' or 'bar'. - -Z dump-mir-dataflow=val -- in addition to `.mir` files, create graphviz `.dot` files with dataflow results (default: no) - -Z dump-mir-dir=val -- the directory the MIR is dumped into (default: `mir_dump`) - -Z dump-mir-exclude-pass-number=val -- exclude the pass number when dumping MIR (used in tests) (default: no) - -Z dump-mir-graphviz=val -- in addition to `.mir` files, create graphviz `.dot` files (and with `-Z instrument-coverage`, also create a `.dot` file for the MIR-derived coverage graph) (default: no) - -Z dump-mir-spanview=val -- in addition to `.mir` files, create `.html` files to view spans for all `statement`s (including terminators), only `terminator` spans, or computed `block` spans (one span encompassing a block's terminator and all statements). If `-Z instrument-coverage` is also enabled, create an additional `.html` file showing the computed coverage spans. - -Z dump-mono-stats=val -- output statistics about monomorphization collection - -Z dump-mono-stats-format=val -- the format to use for -Z dump-mono-stats (`markdown` (default) or `json`) - -Z dwarf-version=val -- version of DWARF debug information to emit (default: 2 or 4, depending on platform) - -Z dylib-lto=val -- enables LTO for dylib crate type - -Z emit-stack-sizes=val -- emit a section containing stack size metadata (default: no) - -Z emit-thin-lto=val -- emit the bc module with thin LTO info (default: yes) - -Z export-executable-symbols=val -- export symbols from executables, as if they were dynamic libraries - -Z extra-const-ub-checks=val -- turns on more checks to detect const UB, which can be slow (default: no) - -Z fewer-names=val -- reduce memory use by retaining fewer names within compilation artifacts (LLVM-IR) (default: no) - -Z flatten-format-args=val -- flatten nested format_args!() and literals into a simplified format_args!() call (default: no) - -Z force-unstable-if-unmarked=val -- force all crates to be `rustc_private` unstable (default: no) - -Z fuel=val -- set the optimization fuel quota for a crate - -Z function-sections=val -- whether each function should go in its own section - -Z future-incompat-test=val -- forces all lints to be future incompatible, used for internal testing (default: no) - -Z gcc-ld=val -- implementation of ld used by cc - -Z graphviz-dark-mode=val -- use dark-themed colors in graphviz output (default: no) - -Z graphviz-font=val -- use the given `fontname` in graphviz output; can be overridden by setting environment variable `RUSTC_GRAPHVIZ_FONT` (default: `Courier, monospace`) - -Z hir-stats=val -- print some statistics about AST and HIR (default: no) - -Z human-readable-cgu-names=val -- generate human-readable, predictable names for codegen units (default: no) - -Z identify-regions=val -- display unnamed regions as `'<id>`, using a non-ident unique id (default: no) - -Z incremental-ignore-spans=val -- ignore spans during ICH computation -- used for testing (default: no) - -Z incremental-info=val -- print high-level information about incremental reuse (or the lack thereof) (default: no) - -Z incremental-relative-spans=val -- hash spans relative to their parent item for incr. comp. (default: no) - -Z incremental-verify-ich=val -- verify incr. comp. hashes of green query instances (default: no) - -Z inline-in-all-cgus=val -- control whether `#[inline]` functions are in all CGUs - -Z inline-llvm=val -- enable LLVM inlining (default: yes) - -Z inline-mir=val -- enable MIR inlining (default: no) - -Z inline-mir-hint-threshold=val -- inlining threshold for functions with inline hint (default: 100) - -Z inline-mir-threshold=val -- a default MIR inlining threshold (default: 50) - -Z input-stats=val -- gather statistics about the input (default: no) - -Z instrument-coverage=val -- instrument the generated code to support LLVM source-based code coverage reports (note, the compiler build config must include `profiler = true`); implies `-C symbol-mangling-version=v0`. Optional values are: - `=all` (implicit value) - `=except-unused-generics` - `=except-unused-functions` - `=off` (default) - -Z instrument-mcount=val -- insert function instrument code for mcount-based tracing (default: no) - -Z instrument-xray=val -- insert function instrument code for XRay-based tracing (default: no) - Optional extra settings: - `=always` - `=never` - `=ignore-loops` - `=instruction-threshold=N` - `=skip-entry` - `=skip-exit` - Multiple options can be combined with commas. - -Z keep-hygiene-data=val -- keep hygiene data after analysis (default: no) - -Z layout-seed=val -- seed layout randomization - -Z link-directives=val -- honor #[link] directives in the compiled crate (default: yes) - -Z link-native-libraries=val -- link native libraries in the linker invocation (default: yes) - -Z link-only=val -- link the `.rlink` file generated by `-Z no-link` (default: no) - -Z llvm-plugins=val -- a list LLVM plugins to enable (space separated) - -Z llvm-time-trace=val -- generate JSON tracing data file from LLVM data (default: no) - -Z location-detail=val -- what location details should be tracked when using caller_location, either `none`, or a comma separated list of location details, for which valid options are `file`, `line`, and `column` (default: `file,line,column`) - -Z lower-impl-trait-in-trait-to-assoc-ty=val -- modify the lowering strategy for `impl Trait` in traits so that they are lowered to generic associated types - -Z ls=val -- list the symbols defined by a library crate (default: no) - -Z macro-backtrace=val -- show macro backtraces (default: no) - -Z maximal-hir-to-mir-coverage=val -- save as much information as possible about the correspondence between MIR and HIR as source scopes (default: no) - -Z merge-functions=val -- control the operation of the MergeFunctions LLVM pass, taking the same values as the target option of the same name - -Z meta-stats=val -- gather metadata statistics (default: no) - -Z mir-emit-retag=val -- emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 (default: no) - -Z mir-enable-passes=val -- use like `-Zmir-enable-passes=+DestProp,-InstCombine`. Forces the specified passes to be enabled, overriding all other checks. Passes that are not specified are enabled or disabled by other flags as usual. - -Z mir-opt-level=val -- MIR optimization level (0-4; default: 1 in non optimized builds and 2 in optimized builds) - -Z mir-pretty-relative-line-numbers=val -- use line numbers relative to the function in mir pretty printing - -Z move-size-limit=val -- the size at which the `large_assignments` lint starts to be emitted - -Z mutable-noalias=val -- emit noalias metadata for mutable references (default: yes) - -Z nll-facts=val -- dump facts from NLL analysis into side files (default: no) - -Z nll-facts-dir=val -- the directory the NLL facts are dumped into (default: `nll-facts`) - -Z no-analysis=val -- parse and expand the source, but run no analysis - -Z no-codegen=val -- run all passes except codegen; no output - -Z no-generate-arange-section=val -- omit DWARF address ranges that give faster lookups - -Z no-jump-tables=val -- disable the jump tables and lookup tables that can be generated from a switch case lowering - -Z no-leak-check=val -- disable the 'leak check' for subtyping; unsound, but useful for tests - -Z no-link=val -- compile without linking - -Z no-parallel-llvm=val -- run LLVM in non-parallel mode (while keeping codegen-units and ThinLTO) - -Z no-profiler-runtime=val -- prevent automatic injection of the profiler_builtins crate - -Z no-unique-section-names=val -- do not use unique names for text and data sections when -Z function-sections is used - -Z normalize-docs=val -- normalize associated items in rustdoc when generating documentation - -Z oom=val -- panic strategy for out-of-memory handling - -Z osx-rpath-install-name=val -- pass `-install_name @rpath/...` to the macOS linker (default: no) - -Z packed-bundled-libs=val -- change rlib format to store native libraries as archives - -Z panic-abort-tests=val -- support compiling tests with panic=abort (default: no) - -Z panic-in-drop=val -- panic strategy for panics in drops - -Z parse-only=val -- parse only; do not compile, assemble, or link (default: no) - -Z perf-stats=val -- print some performance-related statistics (default: no) - -Z plt=val -- whether to use the PLT when calling into shared libraries; - only has effect for PIC code on systems with ELF binaries - (default: PLT is disabled if full relro is enabled) - -Z polonius=val -- enable polonius-based borrow-checker (default: no) - -Z polymorphize=val -- perform polymorphization analysis - -Z pre-link-arg=val -- a single extra argument to prepend the linker invocation (can be used several times) - -Z pre-link-args=val -- extra arguments to prepend to the linker invocation (space separated) - -Z precise-enum-drop-elaboration=val -- use a more precise version of drop elaboration for matches on enums (default: yes). This results in better codegen, but has caused miscompilations on some tier 2 platforms. See #77382 and #74551. - -Z print-fuel=val -- make rustc print the total optimization fuel used by a crate - -Z print-llvm-passes=val -- print the LLVM optimization passes being run (default: no) - -Z print-mono-items=val -- print the result of the monomorphization collection pass - -Z print-type-sizes=val -- print layout information for each type encountered (default: no) - -Z proc-macro-backtrace=val -- show backtraces for panics during proc-macro execution (default: no) - -Z proc-macro-execution-strategy=val -- how to run proc-macro code (default: same-thread) - -Z profile=val -- insert profiling code (default: no) - -Z profile-closures=val -- profile size of closures - -Z profile-emit=val -- file path to emit profiling data at runtime when using 'profile' (default based on relative source path) - -Z profile-sample-use=val -- use the given `.prof` file for sampled profile-guided optimization (also known as AutoFDO) - -Z profiler-runtime=val -- name of the profiler runtime crate to automatically inject (default: `profiler_builtins`) - -Z query-dep-graph=val -- enable queries of the dependency graph for regression testing (default: no) - -Z randomize-layout=val -- randomize the layout of types (default: no) - -Z relax-elf-relocations=val -- whether ELF relocations can be relaxed - -Z relro-level=val -- choose which RELRO level to use - -Z remap-cwd-prefix=val -- remap paths under the current working directory to this path prefix - -Z report-delayed-bugs=val -- immediately print bugs registered with `delay_span_bug` (default: no) - -Z sanitizer=val -- use a sanitizer - -Z sanitizer-memory-track-origins=val -- enable origins tracking in MemorySanitizer - -Z sanitizer-recover=val -- enable recovery for selected sanitizers - -Z saturating-float-casts=val -- make float->int casts UB-free: numbers outside the integer type's range are clipped to the max/min integer respectively, and NaN is mapped to 0 (default: yes) - -Z self-profile=val -- run the self profiler and output the raw event data - -Z self-profile-counter=val -- counter used by the self profiler (default: `wall-time`), one of: - `wall-time` (monotonic clock, i.e. `std::time::Instant`) - `instructions:u` (retired instructions, userspace-only) - `instructions-minus-irqs:u` (subtracting hardware interrupt counts for extra accuracy) - -Z self-profile-events=val -- specify the events recorded by the self profiler; - for example: `-Z self-profile-events=default,query-keys` - all options: none, all, default, generic-activity, query-provider, query-cache-hit - query-blocked, incr-cache-load, incr-result-hashing, query-keys, function-args, args, llvm, artifact-sizes - -Z share-generics=val -- make the current crate share its generic instantiations - -Z show-span=val -- show spans for compiler debugging (expr|pat|ty) - -Z simulate-remapped-rust-src-base=val -- simulate the effect of remap-debuginfo = true at bootstrapping by remapping path to rust's source base directory. only meant for testing purposes - -Z span-debug=val -- forward proc_macro::Span's `Debug` impl to `Span` - -Z span-free-formats=val -- exclude spans when debug-printing compiler state (default: no) - -Z split-dwarf-inlining=val -- provide minimal debug info in the object/executable to facilitate online symbolication/stack traces in the absence of .dwo/.dwp files when using Split DWARF - -Z split-dwarf-kind=val -- split dwarf variant (only if -Csplit-debuginfo is enabled and on relevant platform) - (default: `split`) - - `split`: sections which do not require relocation are written into a DWARF object (`.dwo`) - file which is ignored by the linker - `single`: sections which do not require relocation are written into object file but ignored - by the linker - -Z src-hash-algorithm=val -- hash algorithm of source files in debug info (`md5`, `sha1`, or `sha256`) - -Z stack-protector=val -- control stack smash protection strategy (`rustc --print stack-protector-strategies` for details) - -Z strict-init-checks=val -- control if mem::uninitialized and mem::zeroed panic on more UB - -Z strip=val -- tell the linker which information to strip (`none` (default), `debuginfo` or `symbols`) - -Z symbol-mangling-version=val -- which mangling version to use for symbol names ('legacy' (default) or 'v0') - -Z teach=val -- show extended diagnostic help (default: no) - -Z temps-dir=val -- the directory the intermediate files are written to - -Z terminal-urls=val -- use the OSC 8 hyperlink terminal specification to print hyperlinks in the compiler output - -Z thinlto=val -- enable ThinLTO when possible - -Z thir-unsafeck=val -- use the THIR unsafety checker (default: no) - -Z threads=val -- use a thread pool with N threads - -Z time-llvm-passes=val -- measure time of each LLVM pass (default: no) - -Z time-passes=val -- measure time of each rustc pass (default: no) - -Z time-passes-format=val -- the format to use for -Z time-passes (`text` (default) or `json`) - -Z tiny-const-eval-limit=val -- sets a tiny, non-configurable limit for const eval; useful for compiler tests - -Z tls-model=val -- choose the TLS model to use (`rustc --print tls-models` for details) - -Z trace-macros=val -- for every macro invocation, print its name and arguments (default: no) - -Z track-diagnostics=val -- tracks where in rustc a diagnostic was emitted - -Z trait-solver=val -- specify the trait solver mode used by rustc (default: classic) - -Z translate-additional-ftl=val -- additional fluent translation to preferentially use (for testing translation) - -Z translate-directionality-markers=val -- emit directionality isolation markers in translated diagnostics - -Z translate-lang=val -- language identifier for diagnostic output - -Z translate-remapped-path-to-local-path=val -- translate remapped paths into local paths when possible (default: yes) - -Z trap-unreachable=val -- generate trap instructions for unreachable intrinsics (default: use target setting, usually yes) - -Z treat-err-as-bug=val -- treat error number `val` that occurs as bug - -Z trim-diagnostic-paths=val -- in diagnostics, use heuristics to shorten paths referring to items - -Z tune-cpu=val -- select processor to schedule for (`rustc --print target-cpus` for details) - -Z ui-testing=val -- emit compiler diagnostics in a form suitable for UI testing (default: no) - -Z uninit-const-chunk-threshold=val -- allow generating const initializers with mixed init/uninit chunks, and set the maximum number of chunks for which this is allowed (default: 16) - -Z unleash-the-miri-inside-of-you=val -- take the brakes off const evaluation. NOTE: this is unsound (default: no) - -Z unpretty=val -- present the input source, unstable (and less-pretty) variants; - `normal`, `identified`, - `expanded`, `expanded,identified`, - `expanded,hygiene` (with internal representations), - `ast-tree` (raw AST before expansion), - `ast-tree,expanded` (raw AST after expansion), - `hir` (the HIR), `hir,identified`, - `hir,typed` (HIR with types for each node), - `hir-tree` (dump the raw HIR), - `mir` (the MIR), or `mir-cfg` (graphviz formatted MIR) - -Z unsound-mir-opts=val -- enable unsound and buggy MIR optimizations (default: no) - -Z unstable-options=val -- adds unstable command line options to rustc interface (default: no) - -Z use-ctors-section=val -- use legacy .ctors section for initializers rather than .init_array - -Z validate-mir=val -- validate MIR after each transformation - -Z verbose=val -- in general, enable more debug printouts (default: no) - -Z verify-llvm-ir=val -- verify LLVM IR (default: no) - -Z virtual-function-elimination=val -- enables dead virtual function elimination optimization. Requires `-Clto[=[fat,yes]]` - -Z wasi-exec-model=val -- whether to build a wasi command or reactor diff --git a/tests/rustdoc/auxiliary/issue-73061.rs b/tests/rustdoc/auxiliary/issue-73061.rs index e05a3bc6d91..01e9a984d44 100644 --- a/tests/rustdoc/auxiliary/issue-73061.rs +++ b/tests/rustdoc/auxiliary/issue-73061.rs @@ -1,6 +1,6 @@ //edition:2018 -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait Foo { type X: std::future::Future<Output = ()>; diff --git a/tests/rustdoc/compiler-derive-proc-macro.rs b/tests/rustdoc/compiler-derive-proc-macro.rs new file mode 100644 index 00000000000..489ec924c1f --- /dev/null +++ b/tests/rustdoc/compiler-derive-proc-macro.rs @@ -0,0 +1,15 @@ +// This test ensures that compiler builtin proc-macros are considered as such. + +#![crate_name = "foo"] + +// @has 'foo/index.html' +// Each compiler builtin proc-macro has a trait equivalent so we should have +// a trait section as well. +// @count - '//*[@id="main-content"]//*[@class="small-section-header"]' 2 +// @has - '//*[@id="main-content"]//*[@class="small-section-header"]' 'Traits' +// @has - '//*[@id="main-content"]//*[@class="small-section-header"]' 'Derive Macros' + +// Now checking the correct file is generated as well. +// @has 'foo/derive.Clone.html' +// @!has 'foo/macro.Clone.html' +pub use std::clone::Clone; diff --git a/tests/rustdoc/macro_pub_in_module.rs b/tests/rustdoc/macro_pub_in_module.rs index 4fd85d68994..42f760cff6a 100644 --- a/tests/rustdoc/macro_pub_in_module.rs +++ b/tests/rustdoc/macro_pub_in_module.rs @@ -7,8 +7,8 @@ #![crate_name = "krate"] #![no_core] - // @has external_crate/some_module/macro.external_macro.html - // @!has external_crate/macro.external_macro.html +// @has external_crate/some_module/macro.external_macro.html +// @!has external_crate/macro.external_macro.html extern crate external_crate; pub mod inner { @@ -16,13 +16,17 @@ pub mod inner { // @!has krate/macro.raw_const.html pub macro raw_const() {} - // @has krate/inner/macro.test.html + // @has krate/inner/attr.test.html // @!has krate/macro.test.html + // @!has krate/inner/macro.test.html + // @!has krate/attr.test.html #[rustc_builtin_macro] pub macro test($item:item) {} - // @has krate/inner/macro.Clone.html + // @has krate/inner/derive.Clone.html + // @!has krate/inner/macro.Clone.html // @!has krate/macro.Clone.html + // @!has krate/derive.Clone.html #[rustc_builtin_macro] pub macro Clone($item:item) {} diff --git a/tests/ui-fulldeps/extern-mod-syntax.rs b/tests/ui-fulldeps/extern-mod-syntax.rs deleted file mode 100644 index 230194c5377..00000000000 --- a/tests/ui-fulldeps/extern-mod-syntax.rs +++ /dev/null @@ -1,11 +0,0 @@ -// run-pass - -#![allow(unused_imports)] -#![feature(rustc_private)] - -extern crate libc; -use libc::c_void; - -pub fn main() { - println!("Hello world!"); -} diff --git a/tests/ui-fulldeps/stable-mir/crate-info.rs b/tests/ui-fulldeps/stable-mir/crate-info.rs index 03dab235040..dfde8c97ec2 100644 --- a/tests/ui-fulldeps/stable-mir/crate-info.rs +++ b/tests/ui-fulldeps/stable-mir/crate-info.rs @@ -29,6 +29,8 @@ fn test_stable_mir(tcx: TyCtxt<'_>) { let local = stable_mir::local_crate(); assert_eq!(&local.name, CRATE_NAME); + assert_eq!(stable_mir::entry_fn(), None); + // Find items in the local crate. let items = stable_mir::all_local_items(); assert!(get_item(tcx, &items, (DefKind::Fn, "foo_bar")).is_some()); diff --git a/tests/ui/array-slice-vec/repeat_empty_ok.stderr b/tests/ui/array-slice-vec/repeat_empty_ok.stderr index 724bdcd920a..e8bac04ac45 100644 --- a/tests/ui/array-slice-vec/repeat_empty_ok.stderr +++ b/tests/ui/array-slice-vec/repeat_empty_ok.stderr @@ -7,7 +7,8 @@ LL | let headers = [Header{value: &[]}; 128]; = note: the `Copy` trait is required because this value will be copied for each element of the array help: consider annotating `Header<'_>` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | pub struct Header<'a> { | error[E0277]: the trait bound `Header<'_>: Copy` is not satisfied @@ -19,7 +20,8 @@ LL | let headers = [Header{value: &[0]}; 128]; = note: the `Copy` trait is required because this value will be copied for each element of the array help: consider annotating `Header<'_>` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | pub struct Header<'a> { | error: aborting due to 2 previous errors diff --git a/tests/ui/associated-consts/associated-const-dead-code.stderr b/tests/ui/associated-consts/associated-const-dead-code.stderr index cc701cc4b94..7e485a314c5 100644 --- a/tests/ui/associated-consts/associated-const-dead-code.stderr +++ b/tests/ui/associated-consts/associated-const-dead-code.stderr @@ -1,6 +1,8 @@ error: associated constant `BAR` is never used --> $DIR/associated-const-dead-code.rs:6:11 | +LL | impl MyFoo { + | ---------- associated constant in this implementation LL | const BAR: u32 = 1; | ^^^ | diff --git a/tests/ui/associated-consts/defaults-not-assumed-fail.stderr b/tests/ui/associated-consts/defaults-not-assumed-fail.stderr index fb7159e40c9..9b761b00691 100644 --- a/tests/ui/associated-consts/defaults-not-assumed-fail.stderr +++ b/tests/ui/associated-consts/defaults-not-assumed-fail.stderr @@ -26,14 +26,6 @@ LL | assert_eq!(<() as Tr>::B, 0); // causes the error above | = note: this note originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) -note: erroneous constant used - --> $DIR/defaults-not-assumed-fail.rs:33:5 - | -LL | assert_eq!(<() as Tr>::B, 0); // causes the error above - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: this note originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) - error: aborting due to previous error For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/associated-type-bounds/ambiguous-associated-type2.stderr b/tests/ui/associated-type-bounds/ambiguous-associated-type2.stderr index 4162cdaa8dc..575b00e09b0 100644 --- a/tests/ui/associated-type-bounds/ambiguous-associated-type2.stderr +++ b/tests/ui/associated-type-bounds/ambiguous-associated-type2.stderr @@ -5,7 +5,7 @@ LL | trait Baz: Foo + Bar<Self::Item> {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: ...which immediately requires computing the super traits of `Baz` with associated type name `Item` again -note: cycle used when computing the super traits of `Baz` +note: cycle used when computing the super predicates of `Baz` --> $DIR/ambiguous-associated-type2.rs:7:1 | LL | trait Baz: Foo + Bar<Self::Item> {} diff --git a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs index 2f9a1d1c76e..79cee55177b 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs +++ b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.rs @@ -12,11 +12,11 @@ fn foo<T: Trait<method(i32): Send>>() {} //~^ ERROR argument types not allowed with return type notation //~| ERROR associated type bounds are unstable -fn bar<T: Trait<method(..) -> (): Send>>() {} +fn bar<T: Trait<method() -> (): Send>>() {} //~^ ERROR return type not allowed with return type notation - -fn baz<T: Trait<method(): Send>>() {} -//~^ ERROR return type notation arguments must be elided with `..` //~| ERROR associated type bounds are unstable +fn baz<T: Trait<method(..): Send>>() {} +//~^ ERROR return type notation uses `()` instead of `(..)` for elided arguments + fn main() {} diff --git a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr index b354a6805d6..b23e0f791ea 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr +++ b/tests/ui/associated-type-bounds/return-type-notation/bad-inputs-and-output.stderr @@ -1,8 +1,8 @@ -error: return type not allowed with return type notation - --> $DIR/bad-inputs-and-output.rs:15:28 +error: return type notation uses `()` instead of `(..)` for elided arguments + --> $DIR/bad-inputs-and-output.rs:19:24 | -LL | fn bar<T: Trait<method(..) -> (): Send>>() {} - | ^^^^^ help: remove the return type +LL | fn baz<T: Trait<method(..): Send>>() {} + | ^^ help: remove the `..` error[E0658]: associated type bounds are unstable --> $DIR/bad-inputs-and-output.rs:11:17 @@ -14,10 +14,10 @@ LL | fn foo<T: Trait<method(i32): Send>>() {} = help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable error[E0658]: associated type bounds are unstable - --> $DIR/bad-inputs-and-output.rs:18:17 + --> $DIR/bad-inputs-and-output.rs:15:17 | -LL | fn baz<T: Trait<method(): Send>>() {} - | ^^^^^^^^^^^^^^ +LL | fn bar<T: Trait<method() -> (): Send>>() {} + | ^^^^^^^^^^^^^^^^^^^^ | = note: see issue #52662 <https://github.com/rust-lang/rust/issues/52662> for more information = help: add `#![feature(associated_type_bounds)]` to the crate attributes to enable @@ -43,13 +43,13 @@ error: argument types not allowed with return type notation --> $DIR/bad-inputs-and-output.rs:11:23 | LL | fn foo<T: Trait<method(i32): Send>>() {} - | ^^^^^ help: remove the input types: `(..)` + | ^^^^^ help: remove the input types: `()` -error: return type notation arguments must be elided with `..` - --> $DIR/bad-inputs-and-output.rs:18:23 +error: return type not allowed with return type notation + --> $DIR/bad-inputs-and-output.rs:15:25 | -LL | fn baz<T: Trait<method(): Send>>() {} - | ^^ help: add `..`: `(..)` +LL | fn bar<T: Trait<method() -> (): Send>>() {} + | ^^^^^^ help: remove the return type error: aborting due to 5 previous errors; 2 warnings emitted diff --git a/tests/ui/associated-type-bounds/return-type-notation/basic.rs b/tests/ui/associated-type-bounds/return-type-notation/basic.rs index 75d1dc745d1..0b7530b65d7 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/basic.rs +++ b/tests/ui/associated-type-bounds/return-type-notation/basic.rs @@ -18,7 +18,7 @@ async fn foo<T: Foo>() -> Result<(), ()> { fn is_send(_: impl Send) {} fn test< - #[cfg(with)] T: Foo<method(..): Send>, + #[cfg(with)] T: Foo<method(): Send>, #[cfg(without)] T: Foo, >() { is_send(foo::<T>()); diff --git a/tests/ui/associated-type-bounds/return-type-notation/equality.rs b/tests/ui/associated-type-bounds/return-type-notation/equality.rs index c8fc980974e..75f757e9025 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/equality.rs +++ b/tests/ui/associated-type-bounds/return-type-notation/equality.rs @@ -10,7 +10,7 @@ trait Trait { async fn method() {} } -fn test<T: Trait<method(..) = Box<dyn Future<Output = ()>>>>() {} +fn test<T: Trait<method() = Box<dyn Future<Output = ()>>>>() {} //~^ ERROR return type notation is not allowed to use type equality fn main() {} diff --git a/tests/ui/associated-type-bounds/return-type-notation/equality.stderr b/tests/ui/associated-type-bounds/return-type-notation/equality.stderr index cd50ff38694..c5b2e5710d4 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/equality.stderr +++ b/tests/ui/associated-type-bounds/return-type-notation/equality.stderr @@ -18,8 +18,8 @@ LL | #![feature(return_type_notation, async_fn_in_trait)] error: return type notation is not allowed to use type equality --> $DIR/equality.rs:13:18 | -LL | fn test<T: Trait<method(..) = Box<dyn Future<Output = ()>>>>() {} - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | fn test<T: Trait<method() = Box<dyn Future<Output = ()>>>>() {} + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to previous error; 2 warnings emitted diff --git a/tests/ui/associated-type-bounds/return-type-notation/missing.rs b/tests/ui/associated-type-bounds/return-type-notation/missing.rs index 1263cae4477..7b98a5cdafd 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/missing.rs +++ b/tests/ui/associated-type-bounds/return-type-notation/missing.rs @@ -8,7 +8,7 @@ trait Trait { async fn method() {} } -fn bar<T: Trait<methid(..): Send>>() {} +fn bar<T: Trait<methid(): Send>>() {} //~^ ERROR cannot find associated function `methid` in trait `Trait` fn main() {} diff --git a/tests/ui/associated-type-bounds/return-type-notation/missing.stderr b/tests/ui/associated-type-bounds/return-type-notation/missing.stderr index 93111b5c36b..34f5bda884d 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/missing.stderr +++ b/tests/ui/associated-type-bounds/return-type-notation/missing.stderr @@ -18,8 +18,8 @@ LL | #![feature(return_type_notation, async_fn_in_trait)] error: cannot find associated function `methid` in trait `Trait` --> $DIR/missing.rs:11:17 | -LL | fn bar<T: Trait<methid(..): Send>>() {} - | ^^^^^^^^^^^^^^^^ +LL | fn bar<T: Trait<methid(): Send>>() {} + | ^^^^^^^^^^^^^^ error: aborting due to previous error; 2 warnings emitted diff --git a/tests/ui/associated-type-bounds/return-type-notation/non-rpitit.rs b/tests/ui/associated-type-bounds/return-type-notation/non-rpitit.rs index d283c6eab37..db5f6fe389e 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/non-rpitit.rs +++ b/tests/ui/associated-type-bounds/return-type-notation/non-rpitit.rs @@ -5,7 +5,7 @@ trait Trait { fn method() {} } -fn test<T: Trait<method(..): Send>>() {} +fn test<T: Trait<method(): Send>>() {} //~^ ERROR return type notation used on function that is not `async` and does not return `impl Trait` fn main() {} diff --git a/tests/ui/associated-type-bounds/return-type-notation/non-rpitit.stderr b/tests/ui/associated-type-bounds/return-type-notation/non-rpitit.stderr index 38c498bc2fb..31b793995f8 100644 --- a/tests/ui/associated-type-bounds/return-type-notation/non-rpitit.stderr +++ b/tests/ui/associated-type-bounds/return-type-notation/non-rpitit.stderr @@ -13,8 +13,8 @@ error: return type notation used on function that is not `async` and does not re LL | fn method() {} | ----------- this function must be `async` or return `impl Trait` ... -LL | fn test<T: Trait<method(..): Send>>() {} - | ^^^^^^^^^^^^^^^^ +LL | fn test<T: Trait<method(): Send>>() {} + | ^^^^^^^^^^^^^^ | = note: function returns `()`, which is not compatible with associated type return bounds diff --git a/tests/ui/associated-types/defaults-suitability.stderr b/tests/ui/associated-types/defaults-suitability.stderr index 2485758757b..4b2094691f8 100644 --- a/tests/ui/associated-types/defaults-suitability.stderr +++ b/tests/ui/associated-types/defaults-suitability.stderr @@ -11,7 +11,8 @@ LL | type Ty: Clone = NotClone; | ^^^^^ required by this bound in `Tr::Ty` help: consider annotating `NotClone` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct NotClone; | error[E0277]: the trait bound `NotClone: Clone` is not satisfied @@ -30,7 +31,8 @@ LL | type Ty = NotClone; | -- required by a bound in this associated type help: consider annotating `NotClone` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct NotClone; | error[E0277]: the trait bound `T: Clone` is not satisfied diff --git a/tests/ui/associated-types/issue-20825.stderr b/tests/ui/associated-types/issue-20825.stderr index be2bbd44800..c4dea68b884 100644 --- a/tests/ui/associated-types/issue-20825.stderr +++ b/tests/ui/associated-types/issue-20825.stderr @@ -5,7 +5,7 @@ LL | pub trait Processor: Subscriber<Input = Self::Input> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: ...which immediately requires computing the super traits of `Processor` with associated type name `Input` again -note: cycle used when computing the super traits of `Processor` +note: cycle used when computing the super predicates of `Processor` --> $DIR/issue-20825.rs:5:1 | LL | pub trait Processor: Subscriber<Input = Self::Input> { diff --git a/tests/ui/associated-types/issue-63591.rs b/tests/ui/associated-types/issue-63591.rs index 4d2e39f4da6..d07c1234998 100644 --- a/tests/ui/associated-types/issue-63591.rs +++ b/tests/ui/associated-types/issue-63591.rs @@ -1,11 +1,13 @@ // check-pass #![feature(associated_type_bounds)] -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] fn main() {} -trait Bar { type Assoc; } +trait Bar { + type Assoc; +} trait Thing { type Out; @@ -13,7 +15,9 @@ trait Thing { } struct AssocIsCopy; -impl Bar for AssocIsCopy { type Assoc = u8; } +impl Bar for AssocIsCopy { + type Assoc = u8; +} impl Thing for AssocIsCopy { type Out = impl Bar<Assoc: Copy>; diff --git a/tests/ui/async-await/in-trait/async-associated-types2.rs b/tests/ui/async-await/in-trait/async-associated-types2.rs index cdecb02bfad..b889f616a03 100644 --- a/tests/ui/async-await/in-trait/async-associated-types2.rs +++ b/tests/ui/async-await/in-trait/async-associated-types2.rs @@ -4,7 +4,7 @@ // revisions: current next #![feature(async_fn_in_trait)] -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] #![allow(incomplete_features)] use std::future::Future; @@ -23,9 +23,7 @@ impl MyTrait for i32 { Self: 'a; fn foo<'a>(&'a self) -> Self::Fut<'a> { - async { - *self - } + async { *self } } } diff --git a/tests/ui/async-await/pin-needed-to-poll-2.stderr b/tests/ui/async-await/pin-needed-to-poll-2.stderr index 0a6f705e255..61126faf899 100644 --- a/tests/ui/async-await/pin-needed-to-poll-2.stderr +++ b/tests/ui/async-await/pin-needed-to-poll-2.stderr @@ -6,7 +6,8 @@ LL | Pin::new(&mut self.sleep).poll(cx) | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required because it appears within the type `Sleep` --> $DIR/pin-needed-to-poll-2.rs:8:8 | diff --git a/tests/ui/async-await/task-context-arg.rs b/tests/ui/async-await/task-context-arg.rs new file mode 100644 index 00000000000..937723ca743 --- /dev/null +++ b/tests/ui/async-await/task-context-arg.rs @@ -0,0 +1,25 @@ +// Checks that we don't get conflicting arguments in our debug info with a particular async function +// structure. + +// edition:2021 +// compile-flags: -Cdebuginfo=2 +// build-pass + +#![crate_type = "lib"] + +use std::future::Future; + +// The compiler produces a closure as part of this function. That closure initially takes an +// argument _task_context. Later, when the MIR for that closure is transformed into a generator +// state machine, _task_context is demoted to not be an argument, but just part of an unnamed +// argument. If we emit debug info saying that both _task_context and the unnamed argument are both +// argument number 2, then LLVM will fail with "conflicting debug info for argument". See +// https://github.com/rust-lang/rust/pull/109466#issuecomment-1500879195 for details. +async fn recv_unit() { + std::future::ready(()).await; +} + +pub fn poll_recv() { + // This box is necessary in order to reproduce the problem. + let _: Box<dyn Future<Output = ()>> = Box::new(recv_unit()); +} diff --git a/tests/ui/attributes/invalid-repr.rs b/tests/ui/attributes/invalid-repr.rs new file mode 100644 index 00000000000..10a487c127e --- /dev/null +++ b/tests/ui/attributes/invalid-repr.rs @@ -0,0 +1,5 @@ +#[repr(align(16))] +//~^ ERROR attribute should be applied to a struct, enum, function, associated function, or union +pub type Foo = i32; + +fn main() {} diff --git a/tests/ui/attributes/invalid-repr.stderr b/tests/ui/attributes/invalid-repr.stderr new file mode 100644 index 00000000000..98a6a24b3c4 --- /dev/null +++ b/tests/ui/attributes/invalid-repr.stderr @@ -0,0 +1,12 @@ +error[E0517]: attribute should be applied to a struct, enum, function, associated function, or union + --> $DIR/invalid-repr.rs:1:8 + | +LL | #[repr(align(16))] + | ^^^^^^^^^ +LL | +LL | pub type Foo = i32; + | ------------------- not a struct, enum, function, associated function, or union + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0517`. diff --git a/tests/ui-fulldeps/auxiliary/issue-13560-1.rs b/tests/ui/auxiliary/issue-13560-1.rs index c3a2ae679bf..c3a2ae679bf 100644 --- a/tests/ui-fulldeps/auxiliary/issue-13560-1.rs +++ b/tests/ui/auxiliary/issue-13560-1.rs diff --git a/tests/ui-fulldeps/auxiliary/issue-13560-2.rs b/tests/ui/auxiliary/issue-13560-2.rs index 39c261e1162..39c261e1162 100644 --- a/tests/ui-fulldeps/auxiliary/issue-13560-2.rs +++ b/tests/ui/auxiliary/issue-13560-2.rs diff --git a/tests/ui-fulldeps/auxiliary/issue-13560-3.rs b/tests/ui/auxiliary/issue-13560-3.rs index e991bcc1a02..e991bcc1a02 100644 --- a/tests/ui-fulldeps/auxiliary/issue-13560-3.rs +++ b/tests/ui/auxiliary/issue-13560-3.rs diff --git a/tests/ui-fulldeps/auxiliary/issue-16822.rs b/tests/ui/auxiliary/issue-16822.rs index 9042dd39117..9042dd39117 100644 --- a/tests/ui-fulldeps/auxiliary/issue-16822.rs +++ b/tests/ui/auxiliary/issue-16822.rs diff --git a/tests/ui-fulldeps/auxiliary/issue-18502.rs b/tests/ui/auxiliary/issue-18502.rs index 4d4230607aa..4d4230607aa 100644 --- a/tests/ui-fulldeps/auxiliary/issue-18502.rs +++ b/tests/ui/auxiliary/issue-18502.rs diff --git a/tests/ui-fulldeps/auxiliary/issue-24106.rs b/tests/ui/auxiliary/issue-24106.rs index 2c6a6034806..2c6a6034806 100644 --- a/tests/ui-fulldeps/auxiliary/issue-24106.rs +++ b/tests/ui/auxiliary/issue-24106.rs diff --git a/tests/ui/binop/issue-28837.stderr b/tests/ui/binop/issue-28837.stderr index cca1da3b6ac..bb9f3b8af0f 100644 --- a/tests/ui/binop/issue-28837.stderr +++ b/tests/ui/binop/issue-28837.stderr @@ -157,7 +157,8 @@ LL | struct A; | ^^^^^^^^ must implement `PartialEq<_>` help: consider annotating `A` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct A; | error[E0369]: binary operation `!=` cannot be applied to type `A` @@ -175,7 +176,8 @@ LL | struct A; | ^^^^^^^^ must implement `PartialEq<_>` help: consider annotating `A` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct A; | error[E0369]: binary operation `<` cannot be applied to type `A` @@ -193,7 +195,8 @@ LL | struct A; | ^^^^^^^^ must implement `PartialOrd<_>` help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]` | -LL | #[derive(PartialEq, PartialOrd)] +LL + #[derive(PartialEq, PartialOrd)] +LL | struct A; | error[E0369]: binary operation `<=` cannot be applied to type `A` @@ -211,7 +214,8 @@ LL | struct A; | ^^^^^^^^ must implement `PartialOrd<_>` help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]` | -LL | #[derive(PartialEq, PartialOrd)] +LL + #[derive(PartialEq, PartialOrd)] +LL | struct A; | error[E0369]: binary operation `>` cannot be applied to type `A` @@ -229,7 +233,8 @@ LL | struct A; | ^^^^^^^^ must implement `PartialOrd<_>` help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]` | -LL | #[derive(PartialEq, PartialOrd)] +LL + #[derive(PartialEq, PartialOrd)] +LL | struct A; | error[E0369]: binary operation `>=` cannot be applied to type `A` @@ -247,7 +252,8 @@ LL | struct A; | ^^^^^^^^ must implement `PartialOrd<_>` help: consider annotating `A` with `#[derive(PartialEq, PartialOrd)]` | -LL | #[derive(PartialEq, PartialOrd)] +LL + #[derive(PartialEq, PartialOrd)] +LL | struct A; | error: aborting due to 15 previous errors diff --git a/tests/ui/borrowck/move-error-snippets-ext.rs b/tests/ui/borrowck/move-error-snippets-ext.rs index c77f6c8276e..27041d55d8f 100644 --- a/tests/ui/borrowck/move-error-snippets-ext.rs +++ b/tests/ui/borrowck/move-error-snippets-ext.rs @@ -1,4 +1,4 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) macro_rules! aaa { ($c:ident) => {{ diff --git a/tests/ui/box/unit/unique-pinned-nocopy.stderr b/tests/ui/box/unit/unique-pinned-nocopy.stderr index de6611324ca..2fd5b0d82e8 100644 --- a/tests/ui/box/unit/unique-pinned-nocopy.stderr +++ b/tests/ui/box/unit/unique-pinned-nocopy.stderr @@ -19,7 +19,8 @@ LL | let _j = i.clone(); candidate #1: `Clone` help: consider annotating `R` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct R { | error: aborting due to previous error diff --git a/tests/ui/closures/self-supertrait-bounds.rs b/tests/ui/closures/self-supertrait-bounds.rs new file mode 100644 index 00000000000..f4f1cea6b81 --- /dev/null +++ b/tests/ui/closures/self-supertrait-bounds.rs @@ -0,0 +1,14 @@ +// check-pass + +// Makes sure that we only consider `Self` supertrait predicates while +// elaborating during closure signature deduction. + +#![feature(trait_alias)] + +trait Confusing<F> = Fn(i32) where F: Fn(u32); + +fn alias<T: Confusing<F>, F>(_: T, _: F) {} + +fn main() { + alias(|_| {}, |_| {}); +} diff --git a/tests/ui/codegen/freeze-on-polymorphic-projection.rs b/tests/ui/codegen/freeze-on-polymorphic-projection.rs new file mode 100644 index 00000000000..edc79f8fd94 --- /dev/null +++ b/tests/ui/codegen/freeze-on-polymorphic-projection.rs @@ -0,0 +1,19 @@ +// build-pass +// compile-flags: -Copt-level=1 --crate-type=lib + +#![feature(specialization)] +//~^ WARN the feature `specialization` is incomplete + +pub unsafe trait Storage { + type Handle; +} + +pub unsafe trait MultipleStorage: Storage {} + +default unsafe impl<S> Storage for S where S: MultipleStorage {} + +// Make sure that we call is_freeze on `(S::Handle,)` in the param-env of `ice`, +// instead of in an empty, reveal-all param-env. +pub fn ice<S: Storage>(boxed: (S::Handle,)) -> (S::Handle,) { + boxed +} diff --git a/tests/ui/codegen/freeze-on-polymorphic-projection.stderr b/tests/ui/codegen/freeze-on-polymorphic-projection.stderr new file mode 100644 index 00000000000..903cb2ff6aa --- /dev/null +++ b/tests/ui/codegen/freeze-on-polymorphic-projection.stderr @@ -0,0 +1,12 @@ +warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes + --> $DIR/freeze-on-polymorphic-projection.rs:4:12 + | +LL | #![feature(specialization)] + | ^^^^^^^^^^^^^^ + | + = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information + = help: consider using `min_specialization` instead, which is more stable and complete + = note: `#[warn(incomplete_features)]` on by default + +warning: 1 warning emitted + diff --git a/tests/ui/codemap_tests/two_files_data.rs b/tests/ui/codemap_tests/two_files_data.rs index b4d2f5d3c6d..6abeac0dd2e 100644 --- a/tests/ui/codemap_tests/two_files_data.rs +++ b/tests/ui/codemap_tests/two_files_data.rs @@ -1,4 +1,4 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) trait Foo { } diff --git a/tests/ui/coherence/coherence_inherent.stderr b/tests/ui/coherence/coherence_inherent.stderr index 46b128c08fe..b381b068073 100644 --- a/tests/ui/coherence/coherence_inherent.stderr +++ b/tests/ui/coherence/coherence_inherent.stderr @@ -7,7 +7,7 @@ LL | s.the_fn(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use Lib::TheTrait; +LL + use Lib::TheTrait; | error: aborting due to previous error diff --git a/tests/ui/coherence/coherence_inherent_cc.stderr b/tests/ui/coherence/coherence_inherent_cc.stderr index af0ef3b6932..7b6cb7d4390 100644 --- a/tests/ui/coherence/coherence_inherent_cc.stderr +++ b/tests/ui/coherence/coherence_inherent_cc.stderr @@ -7,7 +7,7 @@ LL | s.the_fn(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use coherence_inherent_cc_lib::TheTrait; +LL + use coherence_inherent_cc_lib::TheTrait; | error: aborting due to previous error diff --git a/tests/ui/conditional-compilation/module_with_cfg.rs b/tests/ui/conditional-compilation/module_with_cfg.rs index 56c4baadf22..55c8381cffe 100644 --- a/tests/ui/conditional-compilation/module_with_cfg.rs +++ b/tests/ui/conditional-compilation/module_with_cfg.rs @@ -1,3 +1,3 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) #![cfg_attr(all(), cfg(FALSE))] diff --git a/tests/ui/const-generics/generic_const_exprs/issue-94287.stderr b/tests/ui/const-generics/generic_const_exprs/issue-94287.stderr index 7390a007742..dc7d0c54fcc 100644 --- a/tests/ui/const-generics/generic_const_exprs/issue-94287.stderr +++ b/tests/ui/const-generics/generic_const_exprs/issue-94287.stderr @@ -8,7 +8,7 @@ LL | If<{ FRAC <= 32 }>: True, help: consider enabling this feature --> $DIR/issue-94287.rs:1:1 | -LL | #![feature(generic_const_exprs)] +LL + #![feature(generic_const_exprs)] | error: aborting due to previous error diff --git a/tests/ui/const-generics/issues/issue-82956.stderr b/tests/ui/const-generics/issues/issue-82956.stderr index d2320293e85..d70c8d0bfbf 100644 --- a/tests/ui/const-generics/issues/issue-82956.stderr +++ b/tests/ui/const-generics/issues/issue-82956.stderr @@ -6,13 +6,13 @@ LL | let mut iter = IntoIter::new(self); | help: consider importing one of these items | -LL | use std::array::IntoIter; +LL + use std::array::IntoIter; | -LL | use std::collections::binary_heap::IntoIter; +LL + use std::collections::binary_heap::IntoIter; | -LL | use std::collections::btree_map::IntoIter; +LL + use std::collections::btree_map::IntoIter; | -LL | use std::collections::btree_set::IntoIter; +LL + use std::collections::btree_set::IntoIter; | and 8 other candidates diff --git a/tests/ui/consts/auxiliary/foreign-generic-mismatch-with-const-arg.rs b/tests/ui/consts/auxiliary/foreign-generic-mismatch-with-const-arg.rs new file mode 100644 index 00000000000..85b0c6c9df8 --- /dev/null +++ b/tests/ui/consts/auxiliary/foreign-generic-mismatch-with-const-arg.rs @@ -0,0 +1 @@ +pub fn test<const N: usize, T>() {} diff --git a/tests/ui/consts/const-blocks/fn-call-in-non-const.stderr b/tests/ui/consts/const-blocks/fn-call-in-non-const.stderr index ee352700c30..174103eeba4 100644 --- a/tests/ui/consts/const-blocks/fn-call-in-non-const.stderr +++ b/tests/ui/consts/const-blocks/fn-call-in-non-const.stderr @@ -10,7 +10,8 @@ LL | let _: [Option<Bar>; 2] = [no_copy(); 2]; = help: create an inline `const` block, see RFC #2920 <https://github.com/rust-lang/rfcs/pull/2920> for more information help: consider annotating `Bar` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct Bar; | error: aborting due to previous error diff --git a/tests/ui/consts/const-blocks/migrate-fail.stderr b/tests/ui/consts/const-blocks/migrate-fail.stderr index 928ffd0839d..d1896f755d5 100644 --- a/tests/ui/consts/const-blocks/migrate-fail.stderr +++ b/tests/ui/consts/const-blocks/migrate-fail.stderr @@ -8,7 +8,8 @@ LL | let arr: [Option<Bar>; 2] = [x; 2]; = note: the `Copy` trait is required because this value will be copied for each element of the array help: consider annotating `Bar` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct Bar; | error[E0277]: the trait bound `Bar: Copy` is not satisfied @@ -21,7 +22,8 @@ LL | let arr: [Option<Bar>; 2] = [x; 2]; = note: the `Copy` trait is required because this value will be copied for each element of the array help: consider annotating `Bar` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct Bar; | error: aborting due to 2 previous errors diff --git a/tests/ui/consts/const-blocks/nll-fail.stderr b/tests/ui/consts/const-blocks/nll-fail.stderr index fede0084547..807c964a51d 100644 --- a/tests/ui/consts/const-blocks/nll-fail.stderr +++ b/tests/ui/consts/const-blocks/nll-fail.stderr @@ -8,7 +8,8 @@ LL | let arr: [Option<Bar>; 2] = [x; 2]; = note: the `Copy` trait is required because this value will be copied for each element of the array help: consider annotating `Bar` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct Bar; | error[E0277]: the trait bound `Bar: Copy` is not satisfied @@ -21,7 +22,8 @@ LL | let arr: [Option<Bar>; 2] = [x; 2]; = note: the `Copy` trait is required because this value will be copied for each element of the array help: consider annotating `Bar` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct Bar; | error: aborting due to 2 previous errors diff --git a/tests/ui/consts/const-err-late.stderr b/tests/ui/consts/const-err-late.stderr index 192b9ba204b..149d3b5236b 100644 --- a/tests/ui/consts/const-err-late.stderr +++ b/tests/ui/consts/const-err-late.stderr @@ -28,12 +28,6 @@ note: erroneous constant used LL | black_box((S::<i32>::FOO, S::<u32>::FOO)); | ^^^^^^^^^^^^^ -note: erroneous constant used - --> $DIR/const-err-late.rs:19:16 - | -LL | black_box((S::<i32>::FOO, S::<u32>::FOO)); - | ^^^^^^^^^^^^^ - error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/consts/const-eval/issue-44578.stderr b/tests/ui/consts/const-eval/issue-44578.stderr index 0cbf5448000..f3952809e4b 100644 --- a/tests/ui/consts/const-eval/issue-44578.stderr +++ b/tests/ui/consts/const-eval/issue-44578.stderr @@ -26,14 +26,6 @@ LL | println!("{}", <Bar<u16, u8> as Foo>::AMT); | = note: this note originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) -note: erroneous constant used - --> $DIR/issue-44578.rs:25:20 - | -LL | println!("{}", <Bar<u16, u8> as Foo>::AMT); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: this note originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) - error: aborting due to previous error For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/consts/foreign-generic-mismatch-with-const-arg.rs b/tests/ui/consts/foreign-generic-mismatch-with-const-arg.rs new file mode 100644 index 00000000000..7590abbd827 --- /dev/null +++ b/tests/ui/consts/foreign-generic-mismatch-with-const-arg.rs @@ -0,0 +1,8 @@ +// aux-build: foreign-generic-mismatch-with-const-arg.rs + +extern crate foreign_generic_mismatch_with_const_arg; + +fn main() { + foreign_generic_mismatch_with_const_arg::test::<1>(); + //~^ ERROR function takes 2 generic arguments but 1 generic argument was supplied +} diff --git a/tests/ui/consts/foreign-generic-mismatch-with-const-arg.stderr b/tests/ui/consts/foreign-generic-mismatch-with-const-arg.stderr new file mode 100644 index 00000000000..4cc03a20514 --- /dev/null +++ b/tests/ui/consts/foreign-generic-mismatch-with-const-arg.stderr @@ -0,0 +1,21 @@ +error[E0107]: function takes 2 generic arguments but 1 generic argument was supplied + --> $DIR/foreign-generic-mismatch-with-const-arg.rs:6:46 + | +LL | foreign_generic_mismatch_with_const_arg::test::<1>(); + | ^^^^ - supplied 1 generic argument + | | + | expected 2 generic arguments + | +note: function defined here, with 2 generic parameters: `N`, `T` + --> $DIR/auxiliary/foreign-generic-mismatch-with-const-arg.rs:1:8 + | +LL | pub fn test<const N: usize, T>() {} + | ^^^^ -------------- - +help: add missing generic argument + | +LL | foreign_generic_mismatch_with_const_arg::test::<1, T>(); + | +++ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0107`. diff --git a/tests/ui/consts/min_const_fn/min_const_fn_libstd_stability.stderr b/tests/ui/consts/min_const_fn/min_const_fn_libstd_stability.stderr index 778b0e55f66..7ec2508ca93 100644 --- a/tests/ui/consts/min_const_fn/min_const_fn_libstd_stability.stderr +++ b/tests/ui/consts/min_const_fn/min_const_fn_libstd_stability.stderr @@ -22,11 +22,13 @@ LL | const fn bar3() -> u32 { (5f32 + 6f32) as u32 } | help: if it is not part of the public API, make this function unstably const | -LL | #[rustc_const_unstable(feature = "...", issue = "...")] +LL + #[rustc_const_unstable(feature = "...", issue = "...")] +LL | const fn bar3() -> u32 { (5f32 + 6f32) as u32 } | help: otherwise `#[rustc_allow_const_fn_unstable]` can be used to bypass stability checks | -LL | #[rustc_allow_const_fn_unstable(const_fn_floating_point_arithmetic)] +LL + #[rustc_allow_const_fn_unstable(const_fn_floating_point_arithmetic)] +LL | const fn bar3() -> u32 { (5f32 + 6f32) as u32 } | error: `foo2_gated` is not yet stable as a const fn diff --git a/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability.stderr b/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability.stderr index 0174cb77f33..72c1f175d1d 100644 --- a/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability.stderr +++ b/tests/ui/consts/min_const_fn/min_const_unsafe_fn_libstd_stability.stderr @@ -22,11 +22,13 @@ LL | const unsafe fn bar3() -> u32 { (5f32 + 6f32) as u32 } | help: if it is not part of the public API, make this function unstably const | -LL | #[rustc_const_unstable(feature = "...", issue = "...")] +LL + #[rustc_const_unstable(feature = "...", issue = "...")] +LL | const unsafe fn bar3() -> u32 { (5f32 + 6f32) as u32 } | help: otherwise `#[rustc_allow_const_fn_unstable]` can be used to bypass stability checks | -LL | #[rustc_allow_const_fn_unstable(const_fn_floating_point_arithmetic)] +LL + #[rustc_allow_const_fn_unstable(const_fn_floating_point_arithmetic)] +LL | const unsafe fn bar3() -> u32 { (5f32 + 6f32) as u32 } | error: `foo2_gated` is not yet stable as a const fn diff --git a/tests/ui/consts/miri_unleashed/assoc_const.stderr b/tests/ui/consts/miri_unleashed/assoc_const.stderr index e1da43c3aea..8e22cb74bf5 100644 --- a/tests/ui/consts/miri_unleashed/assoc_const.stderr +++ b/tests/ui/consts/miri_unleashed/assoc_const.stderr @@ -25,12 +25,6 @@ note: erroneous constant used LL | let y = <String as Bar<Vec<u32>, String>>::F; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ -note: erroneous constant used - --> $DIR/assoc_const.rs:29:13 - | -LL | let y = <String as Bar<Vec<u32>, String>>::F; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - warning: skipping const checks | help: skipping check that does not even have a feature gate diff --git a/tests/ui/consts/miri_unleashed/assoc_const_2.stderr b/tests/ui/consts/miri_unleashed/assoc_const_2.stderr index fc4b18056da..ae7b03fc9dd 100644 --- a/tests/ui/consts/miri_unleashed/assoc_const_2.stderr +++ b/tests/ui/consts/miri_unleashed/assoc_const_2.stderr @@ -16,12 +16,6 @@ note: erroneous constant used LL | let y = <String as Bar<String>>::F; | ^^^^^^^^^^^^^^^^^^^^^^^^^^ -note: erroneous constant used - --> $DIR/assoc_const_2.rs:27:13 - | -LL | let y = <String as Bar<String>>::F; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ - error: aborting due to previous error For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/consts/uninhabited-const-issue-61744.stderr b/tests/ui/consts/uninhabited-const-issue-61744.stderr index 3a94e19313f..adefbf336c2 100644 --- a/tests/ui/consts/uninhabited-const-issue-61744.stderr +++ b/tests/ui/consts/uninhabited-const-issue-61744.stderr @@ -657,12 +657,6 @@ note: erroneous constant used LL | dbg!(i32::CONSTANT); | ^^^^^^^^^^^^^ -note: erroneous constant used - --> $DIR/uninhabited-const-issue-61744.rs:18:10 - | -LL | dbg!(i32::CONSTANT); - | ^^^^^^^^^^^^^ - error: aborting due to previous error For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/cross/cross-file-errors/main.stderr b/tests/ui/cross/cross-file-errors/main.stderr index 293a300ed61..56eb6ad429a 100644 --- a/tests/ui/cross/cross-file-errors/main.stderr +++ b/tests/ui/cross/cross-file-errors/main.stderr @@ -1,5 +1,5 @@ error: in expressions, `_` can only be used on the left-hand side of an assignment - --> $DIR/underscore.rs:8:9 + --> $DIR/underscore.rs:6:9 | LL | _ | ^ `_` not allowed here diff --git a/tests/ui/cross/cross-file-errors/underscore.rs b/tests/ui/cross/cross-file-errors/underscore.rs index 76e72a93fcc..4dd91c13ea9 100644 --- a/tests/ui/cross/cross-file-errors/underscore.rs +++ b/tests/ui/cross/cross-file-errors/underscore.rs @@ -1,6 +1,4 @@ -// We want this file only so we can test cross-file error -// messages, but we don't want it in an external crate. -// ignore-test +// ignore-test (auxiliary, used by other tests) #![crate_type = "lib"] macro_rules! underscore { diff --git a/tests/ui/cycle-trait/cycle-trait-supertrait-direct.stderr b/tests/ui/cycle-trait/cycle-trait-supertrait-direct.stderr index f6ffcc4b5aa..e2b2aac05ac 100644 --- a/tests/ui/cycle-trait/cycle-trait-supertrait-direct.stderr +++ b/tests/ui/cycle-trait/cycle-trait-supertrait-direct.stderr @@ -1,15 +1,10 @@ error[E0391]: cycle detected when computing the super predicates of `Chromosome` - --> $DIR/cycle-trait-supertrait-direct.rs:3:1 - | -LL | trait Chromosome: Chromosome { - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | -note: ...which requires computing the super traits of `Chromosome`... --> $DIR/cycle-trait-supertrait-direct.rs:3:19 | LL | trait Chromosome: Chromosome { | ^^^^^^^^^^ - = note: ...which again requires computing the super predicates of `Chromosome`, completing the cycle + | + = note: ...which immediately requires computing the super predicates of `Chromosome` again note: cycle used when collecting item types in top-level module --> $DIR/cycle-trait-supertrait-direct.rs:3:1 | diff --git a/tests/ui/cycle-trait/cycle-trait-supertrait-indirect.stderr b/tests/ui/cycle-trait/cycle-trait-supertrait-indirect.stderr index 0a2284e0efb..c903e114657 100644 --- a/tests/ui/cycle-trait/cycle-trait-supertrait-indirect.stderr +++ b/tests/ui/cycle-trait/cycle-trait-supertrait-indirect.stderr @@ -1,26 +1,16 @@ error[E0391]: cycle detected when computing the super predicates of `B` - --> $DIR/cycle-trait-supertrait-indirect.rs:7:1 - | -LL | trait B: C { - | ^^^^^^^^^^ - | -note: ...which requires computing the super traits of `B`... --> $DIR/cycle-trait-supertrait-indirect.rs:7:10 | LL | trait B: C { | ^ -note: ...which requires computing the super predicates of `C`... - --> $DIR/cycle-trait-supertrait-indirect.rs:11:1 | -LL | trait C: B { } - | ^^^^^^^^^^ -note: ...which requires computing the super traits of `C`... +note: ...which requires computing the super predicates of `C`... --> $DIR/cycle-trait-supertrait-indirect.rs:11:10 | LL | trait C: B { } | ^ = note: ...which again requires computing the super predicates of `B`, completing the cycle -note: cycle used when computing the super traits of `A` +note: cycle used when computing the super predicates of `A` --> $DIR/cycle-trait-supertrait-indirect.rs:4:10 | LL | trait A: B { diff --git a/tests/ui/derived-errors/issue-31997-1.stderr b/tests/ui/derived-errors/issue-31997-1.stderr index 2f4aabf8453..a0262f4c1e5 100644 --- a/tests/ui/derived-errors/issue-31997-1.stderr +++ b/tests/ui/derived-errors/issue-31997-1.stderr @@ -6,7 +6,7 @@ LL | let mut map = HashMap::new(); | help: consider importing this struct | -LL | use std::collections::HashMap; +LL + use std::collections::HashMap; | error: aborting due to previous error diff --git a/tests/ui/derives/derive-assoc-type-not-impl.stderr b/tests/ui/derives/derive-assoc-type-not-impl.stderr index 91b334b412b..9f17c76c2ec 100644 --- a/tests/ui/derives/derive-assoc-type-not-impl.stderr +++ b/tests/ui/derives/derive-assoc-type-not-impl.stderr @@ -23,7 +23,8 @@ LL | #[derive(Clone)] candidate #1: `Clone` help: consider annotating `NotClone` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct NotClone; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Clone-enum-struct-variant.stderr b/tests/ui/derives/derives-span-Clone-enum-struct-variant.stderr index 7326324b03c..31ab589cf38 100644 --- a/tests/ui/derives/derives-span-Clone-enum-struct-variant.stderr +++ b/tests/ui/derives/derives-span-Clone-enum-struct-variant.stderr @@ -10,7 +10,8 @@ LL | x: Error = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Clone-enum.stderr b/tests/ui/derives/derives-span-Clone-enum.stderr index 229a4f7d9ff..b5580c02f38 100644 --- a/tests/ui/derives/derives-span-Clone-enum.stderr +++ b/tests/ui/derives/derives-span-Clone-enum.stderr @@ -10,7 +10,8 @@ LL | Error = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Clone-struct.stderr b/tests/ui/derives/derives-span-Clone-struct.stderr index 96bad9edad9..fbe7e3f8479 100644 --- a/tests/ui/derives/derives-span-Clone-struct.stderr +++ b/tests/ui/derives/derives-span-Clone-struct.stderr @@ -10,7 +10,8 @@ LL | x: Error = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Clone-tuple-struct.stderr b/tests/ui/derives/derives-span-Clone-tuple-struct.stderr index b61341e57e6..639f4d54254 100644 --- a/tests/ui/derives/derives-span-Clone-tuple-struct.stderr +++ b/tests/ui/derives/derives-span-Clone-tuple-struct.stderr @@ -10,7 +10,8 @@ LL | Error = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Debug-enum-struct-variant.stderr b/tests/ui/derives/derives-span-Debug-enum-struct-variant.stderr index 58a64a4f53b..7ff6851f655 100644 --- a/tests/ui/derives/derives-span-Debug-enum-struct-variant.stderr +++ b/tests/ui/derives/derives-span-Debug-enum-struct-variant.stderr @@ -12,7 +12,8 @@ LL | x: Error = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Debug)]` | -LL | #[derive(Debug)] +LL + #[derive(Debug)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Debug-enum.stderr b/tests/ui/derives/derives-span-Debug-enum.stderr index e9bb5f960b0..346cbec90a9 100644 --- a/tests/ui/derives/derives-span-Debug-enum.stderr +++ b/tests/ui/derives/derives-span-Debug-enum.stderr @@ -12,7 +12,8 @@ LL | Error = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Debug)]` | -LL | #[derive(Debug)] +LL + #[derive(Debug)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Debug-struct.stderr b/tests/ui/derives/derives-span-Debug-struct.stderr index 0a117c060ff..4b39eeb09ee 100644 --- a/tests/ui/derives/derives-span-Debug-struct.stderr +++ b/tests/ui/derives/derives-span-Debug-struct.stderr @@ -12,7 +12,8 @@ LL | x: Error = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Debug)]` | -LL | #[derive(Debug)] +LL + #[derive(Debug)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Debug-tuple-struct.stderr b/tests/ui/derives/derives-span-Debug-tuple-struct.stderr index f2e90a41845..f3043abcadd 100644 --- a/tests/ui/derives/derives-span-Debug-tuple-struct.stderr +++ b/tests/ui/derives/derives-span-Debug-tuple-struct.stderr @@ -12,7 +12,8 @@ LL | Error = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Debug)]` | -LL | #[derive(Debug)] +LL + #[derive(Debug)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Default-struct.stderr b/tests/ui/derives/derives-span-Default-struct.stderr index d4affd535ee..4844b635924 100644 --- a/tests/ui/derives/derives-span-Default-struct.stderr +++ b/tests/ui/derives/derives-span-Default-struct.stderr @@ -10,7 +10,8 @@ LL | x: Error = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Default)]` | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Default-tuple-struct.stderr b/tests/ui/derives/derives-span-Default-tuple-struct.stderr index 129351f5998..9cac7f10780 100644 --- a/tests/ui/derives/derives-span-Default-tuple-struct.stderr +++ b/tests/ui/derives/derives-span-Default-tuple-struct.stderr @@ -10,7 +10,8 @@ LL | Error = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Default)]` | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Eq-enum-struct-variant.stderr b/tests/ui/derives/derives-span-Eq-enum-struct-variant.stderr index 2be69a30b1c..1a9ff983255 100644 --- a/tests/ui/derives/derives-span-Eq-enum-struct-variant.stderr +++ b/tests/ui/derives/derives-span-Eq-enum-struct-variant.stderr @@ -12,7 +12,8 @@ note: required by a bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Eq)]` | -LL | #[derive(Eq)] +LL + #[derive(Eq)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Eq-enum.stderr b/tests/ui/derives/derives-span-Eq-enum.stderr index 4f4f821cca3..8205657bb71 100644 --- a/tests/ui/derives/derives-span-Eq-enum.stderr +++ b/tests/ui/derives/derives-span-Eq-enum.stderr @@ -12,7 +12,8 @@ note: required by a bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Eq)]` | -LL | #[derive(Eq)] +LL + #[derive(Eq)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Eq-struct.stderr b/tests/ui/derives/derives-span-Eq-struct.stderr index f15659c3e16..af510181df7 100644 --- a/tests/ui/derives/derives-span-Eq-struct.stderr +++ b/tests/ui/derives/derives-span-Eq-struct.stderr @@ -12,7 +12,8 @@ note: required by a bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Eq)]` | -LL | #[derive(Eq)] +LL + #[derive(Eq)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Eq-tuple-struct.stderr b/tests/ui/derives/derives-span-Eq-tuple-struct.stderr index 4e5659b35f4..f7c371d7d05 100644 --- a/tests/ui/derives/derives-span-Eq-tuple-struct.stderr +++ b/tests/ui/derives/derives-span-Eq-tuple-struct.stderr @@ -12,7 +12,8 @@ note: required by a bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Eq)]` | -LL | #[derive(Eq)] +LL + #[derive(Eq)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Hash-enum-struct-variant.stderr b/tests/ui/derives/derives-span-Hash-enum-struct-variant.stderr index fe5e0e96ac7..311edade0f3 100644 --- a/tests/ui/derives/derives-span-Hash-enum-struct-variant.stderr +++ b/tests/ui/derives/derives-span-Hash-enum-struct-variant.stderr @@ -10,7 +10,8 @@ LL | x: Error = note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Hash)]` | -LL | #[derive(Hash)] +LL + #[derive(Hash)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Hash-enum.stderr b/tests/ui/derives/derives-span-Hash-enum.stderr index 99785b87ca8..043aa954bfa 100644 --- a/tests/ui/derives/derives-span-Hash-enum.stderr +++ b/tests/ui/derives/derives-span-Hash-enum.stderr @@ -10,7 +10,8 @@ LL | Error = note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Hash)]` | -LL | #[derive(Hash)] +LL + #[derive(Hash)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Hash-struct.stderr b/tests/ui/derives/derives-span-Hash-struct.stderr index 4db83dd1300..26d31b6613f 100644 --- a/tests/ui/derives/derives-span-Hash-struct.stderr +++ b/tests/ui/derives/derives-span-Hash-struct.stderr @@ -10,7 +10,8 @@ LL | x: Error = note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Hash)]` | -LL | #[derive(Hash)] +LL + #[derive(Hash)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Hash-tuple-struct.stderr b/tests/ui/derives/derives-span-Hash-tuple-struct.stderr index 8660c97e69e..3155a023ce8 100644 --- a/tests/ui/derives/derives-span-Hash-tuple-struct.stderr +++ b/tests/ui/derives/derives-span-Hash-tuple-struct.stderr @@ -10,7 +10,8 @@ LL | Error = note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Hash)]` | -LL | #[derive(Hash)] +LL + #[derive(Hash)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Ord-enum-struct-variant.stderr b/tests/ui/derives/derives-span-Ord-enum-struct-variant.stderr index 6e48332c250..1a06aee5235 100644 --- a/tests/ui/derives/derives-span-Ord-enum-struct-variant.stderr +++ b/tests/ui/derives/derives-span-Ord-enum-struct-variant.stderr @@ -10,7 +10,8 @@ LL | x: Error = note: this error originates in the derive macro `Ord` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Ord)]` | -LL | #[derive(Ord)] +LL + #[derive(Ord)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Ord-enum.stderr b/tests/ui/derives/derives-span-Ord-enum.stderr index b05cf0a057b..377728e8a7f 100644 --- a/tests/ui/derives/derives-span-Ord-enum.stderr +++ b/tests/ui/derives/derives-span-Ord-enum.stderr @@ -10,7 +10,8 @@ LL | Error = note: this error originates in the derive macro `Ord` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Ord)]` | -LL | #[derive(Ord)] +LL + #[derive(Ord)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Ord-struct.stderr b/tests/ui/derives/derives-span-Ord-struct.stderr index c4def34a83d..e00e990da2a 100644 --- a/tests/ui/derives/derives-span-Ord-struct.stderr +++ b/tests/ui/derives/derives-span-Ord-struct.stderr @@ -10,7 +10,8 @@ LL | x: Error = note: this error originates in the derive macro `Ord` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Ord)]` | -LL | #[derive(Ord)] +LL + #[derive(Ord)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-Ord-tuple-struct.stderr b/tests/ui/derives/derives-span-Ord-tuple-struct.stderr index a3b288d0fb9..959d0b96404 100644 --- a/tests/ui/derives/derives-span-Ord-tuple-struct.stderr +++ b/tests/ui/derives/derives-span-Ord-tuple-struct.stderr @@ -10,7 +10,8 @@ LL | Error = note: this error originates in the derive macro `Ord` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(Ord)]` | -LL | #[derive(Ord)] +LL + #[derive(Ord)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-PartialEq-enum-struct-variant.stderr b/tests/ui/derives/derives-span-PartialEq-enum-struct-variant.stderr index 9953154fd4b..9fc25f2ade4 100644 --- a/tests/ui/derives/derives-span-PartialEq-enum-struct-variant.stderr +++ b/tests/ui/derives/derives-span-PartialEq-enum-struct-variant.stderr @@ -15,7 +15,8 @@ LL | struct Error; = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-PartialEq-enum.stderr b/tests/ui/derives/derives-span-PartialEq-enum.stderr index 7c130452301..f56e784478d 100644 --- a/tests/ui/derives/derives-span-PartialEq-enum.stderr +++ b/tests/ui/derives/derives-span-PartialEq-enum.stderr @@ -15,7 +15,8 @@ LL | struct Error; = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-PartialEq-struct.stderr b/tests/ui/derives/derives-span-PartialEq-struct.stderr index ba3d6ced3f4..76c0b0104af 100644 --- a/tests/ui/derives/derives-span-PartialEq-struct.stderr +++ b/tests/ui/derives/derives-span-PartialEq-struct.stderr @@ -15,7 +15,8 @@ LL | struct Error; = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-PartialEq-tuple-struct.stderr b/tests/ui/derives/derives-span-PartialEq-tuple-struct.stderr index ab0b56a9eef..7dae01dbb99 100644 --- a/tests/ui/derives/derives-span-PartialEq-tuple-struct.stderr +++ b/tests/ui/derives/derives-span-PartialEq-tuple-struct.stderr @@ -15,7 +15,8 @@ LL | struct Error; = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-PartialOrd-enum-struct-variant.stderr b/tests/ui/derives/derives-span-PartialOrd-enum-struct-variant.stderr index 2d19aaf68af..746c1d5d21f 100644 --- a/tests/ui/derives/derives-span-PartialOrd-enum-struct-variant.stderr +++ b/tests/ui/derives/derives-span-PartialOrd-enum-struct-variant.stderr @@ -11,7 +11,8 @@ LL | x: Error = note: this error originates in the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialOrd)]` | -LL | #[derive(PartialOrd)] +LL + #[derive(PartialOrd)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-PartialOrd-enum.stderr b/tests/ui/derives/derives-span-PartialOrd-enum.stderr index dfbb8060ffa..8af1776dac8 100644 --- a/tests/ui/derives/derives-span-PartialOrd-enum.stderr +++ b/tests/ui/derives/derives-span-PartialOrd-enum.stderr @@ -11,7 +11,8 @@ LL | Error = note: this error originates in the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialOrd)]` | -LL | #[derive(PartialOrd)] +LL + #[derive(PartialOrd)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-PartialOrd-struct.stderr b/tests/ui/derives/derives-span-PartialOrd-struct.stderr index ba63d86e8e4..11ea7f9dc31 100644 --- a/tests/ui/derives/derives-span-PartialOrd-struct.stderr +++ b/tests/ui/derives/derives-span-PartialOrd-struct.stderr @@ -11,7 +11,8 @@ LL | x: Error = note: this error originates in the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialOrd)]` | -LL | #[derive(PartialOrd)] +LL + #[derive(PartialOrd)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/derives-span-PartialOrd-tuple-struct.stderr b/tests/ui/derives/derives-span-PartialOrd-tuple-struct.stderr index 7686ed8064e..0a41a3db31e 100644 --- a/tests/ui/derives/derives-span-PartialOrd-tuple-struct.stderr +++ b/tests/ui/derives/derives-span-PartialOrd-tuple-struct.stderr @@ -11,7 +11,8 @@ LL | Error = note: this error originates in the derive macro `PartialOrd` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Error` with `#[derive(PartialOrd)]` | -LL | #[derive(PartialOrd)] +LL + #[derive(PartialOrd)] +LL | struct Error; | error: aborting due to previous error diff --git a/tests/ui/derives/deriving-no-inner-impl-error-message.stderr b/tests/ui/derives/deriving-no-inner-impl-error-message.stderr index ef8c44caacf..10af5d36ed9 100644 --- a/tests/ui/derives/deriving-no-inner-impl-error-message.stderr +++ b/tests/ui/derives/deriving-no-inner-impl-error-message.stderr @@ -15,7 +15,8 @@ LL | struct NoCloneOrEq; = note: this error originates in the derive macro `PartialEq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `NoCloneOrEq` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct NoCloneOrEq; | error[E0277]: the trait bound `NoCloneOrEq: Clone` is not satisfied @@ -30,7 +31,8 @@ LL | x: NoCloneOrEq = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `NoCloneOrEq` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct NoCloneOrEq; | error: aborting due to 2 previous errors diff --git a/tests/ui/derives/deriving-with-repr-packed-2.stderr b/tests/ui/derives/deriving-with-repr-packed-2.stderr index ab3646057a5..afeca9fec2b 100644 --- a/tests/ui/derives/deriving-with-repr-packed-2.stderr +++ b/tests/ui/derives/deriving-with-repr-packed-2.stderr @@ -25,7 +25,8 @@ LL | #[derive(Copy, Clone, Default, PartialEq, Eq)] | ^^^^^ unsatisfied trait bound introduced in this `derive` macro help: consider annotating `NonCopy` with `#[derive(Clone, Copy)]` | -LL | #[derive(Clone, Copy)] +LL + #[derive(Clone, Copy)] +LL | struct NonCopy; | error: aborting due to previous error diff --git a/tests/ui/derives/issue-91492.stderr b/tests/ui/derives/issue-91492.stderr index cee30ac50a6..fc64828b153 100644 --- a/tests/ui/derives/issue-91492.stderr +++ b/tests/ui/derives/issue-91492.stderr @@ -11,7 +11,8 @@ LL | foo.extend_from_slice(bar); `NoDerives: Clone` help: consider annotating `NoDerives` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | pub struct NoDerives; | error[E0599]: the method `extend_from_slice` exists for mutable reference `&mut Vec<SomeDerives>`, but its trait bounds were not satisfied @@ -27,7 +28,8 @@ LL | foo.extend_from_slice(bar); `SomeDerives: Clone` help: consider annotating `SomeDerives` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | pub struct SomeDerives; | error[E0599]: the method `use_clone` exists for struct `Object<NoDerives, SomeDerives>`, but its trait bounds were not satisfied @@ -51,7 +53,8 @@ LL | impl<T: Clone, A: Default> Object<T, A> { | unsatisfied trait bound introduced here help: consider annotating `NoDerives` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | pub struct NoDerives; | error: aborting due to 3 previous errors diff --git a/tests/ui/derives/issue-91550.stderr b/tests/ui/derives/issue-91550.stderr index af03f0e5e5f..1324b80b5fc 100644 --- a/tests/ui/derives/issue-91550.stderr +++ b/tests/ui/derives/issue-91550.stderr @@ -18,7 +18,8 @@ LL | hs.insert(Value(0)); `Value: Hash` help: consider annotating `Value` with `#[derive(Eq, Hash, PartialEq)]` | -LL | #[derive(Eq, Hash, PartialEq)] +LL + #[derive(Eq, Hash, PartialEq)] +LL | struct Value(u32); | error[E0599]: the method `use_eq` exists for struct `Object<NoDerives>`, but its trait bounds were not satisfied @@ -48,7 +49,8 @@ LL | impl<T: Eq> Object<T> { which is required by `NoDerives: Eq` help: consider annotating `NoDerives` with `#[derive(Eq, PartialEq)]` | -LL | #[derive(Eq, PartialEq)] +LL + #[derive(Eq, PartialEq)] +LL | pub struct NoDerives; | error[E0599]: the method `use_ord` exists for struct `Object<NoDerives>`, but its trait bounds were not satisfied @@ -84,7 +86,8 @@ LL | impl<T: Ord> Object<T> { which is required by `NoDerives: Ord` help: consider annotating `NoDerives` with `#[derive(Eq, Ord, PartialEq, PartialOrd)]` | -LL | #[derive(Eq, Ord, PartialEq, PartialOrd)] +LL + #[derive(Eq, Ord, PartialEq, PartialOrd)] +LL | pub struct NoDerives; | error[E0599]: the method `use_ord_and_partial_ord` exists for struct `Object<NoDerives>`, but its trait bounds were not satisfied @@ -123,7 +126,8 @@ LL | impl<T: Ord + PartialOrd> Object<T> { which is required by `NoDerives: PartialOrd` help: consider annotating `NoDerives` with `#[derive(Eq, Ord, PartialEq, PartialOrd)]` | -LL | #[derive(Eq, Ord, PartialEq, PartialOrd)] +LL + #[derive(Eq, Ord, PartialEq, PartialOrd)] +LL | pub struct NoDerives; | error: aborting due to 4 previous errors diff --git a/tests/ui/did_you_mean/issue-56028-there-is-an-enum-variant.stderr b/tests/ui/did_you_mean/issue-56028-there-is-an-enum-variant.stderr index abc040c0546..5c610f36322 100644 --- a/tests/ui/did_you_mean/issue-56028-there-is-an-enum-variant.stderr +++ b/tests/ui/did_you_mean/issue-56028-there-is-an-enum-variant.stderr @@ -24,13 +24,13 @@ LL | fn setup() -> Set { Set } | help: consider importing one of these items | -LL | use AffixHeart::Set; +LL + use AffixHeart::Set; | -LL | use CauseToBe::Set; +LL + use CauseToBe::Set; | -LL | use Determine::Set; +LL + use Determine::Set; | -LL | use PutDown::Set; +LL + use PutDown::Set; | and 3 other candidates diff --git a/tests/ui/enum-discriminant/issue-104519.rs b/tests/ui/enum-discriminant/issue-104519.rs index c4630f76b3a..507c0988fcc 100644 --- a/tests/ui/enum-discriminant/issue-104519.rs +++ b/tests/ui/enum-discriminant/issue-104519.rs @@ -23,14 +23,4 @@ fn some_match(result: OpenResult) -> u8 { fn main() { let result = OpenResult::Ok(()); assert_eq!(some_match(result), 0); - - let result = OpenResult::Ok(()); - match result { - OpenResult::Ok(()) => (), - _ => unreachable!("message a"), - } - match result { - OpenResult::Ok(()) => (), - _ => unreachable!("message b"), - } } diff --git a/tests/ui/issues/issue-61696.rs b/tests/ui/enum-discriminant/issue-61696.rs index dca52927fd7..8a633a916c8 100644 --- a/tests/ui/issues/issue-61696.rs +++ b/tests/ui/enum-discriminant/issue-61696.rs @@ -55,12 +55,23 @@ pub enum E2<X> { V4, } -fn main() { - if let E1::V2 { .. } = (E1::V1 { f: true }) { - unreachable!() +#[inline(never)] +fn match_e1(y: E1) -> u8 { + match y { + E1::V2 { .. } => 1, + _ => 0, } +} - if let E2::V1 { .. } = E2::V3::<Infallible> { - unreachable!() +#[inline(never)] +fn match_e2(y: E2<Infallible>) -> u8 { + match y { + E2::V1 { .. } => 1, + _ => 0, } } + +fn main() { + assert_eq!(match_e1(E1::V1 { f: true }), 0); + assert_eq!(match_e2(E2::V3), 0); +} diff --git a/tests/ui/error-codes/E0277-3.stderr b/tests/ui/error-codes/E0277-3.stderr index 0127e1ccc81..0d4782935df 100644 --- a/tests/ui/error-codes/E0277-3.stderr +++ b/tests/ui/error-codes/E0277-3.stderr @@ -14,7 +14,8 @@ LL | fn foo<T: PartialEq>(_: T) {} | ^^^^^^^^^ required by this bound in `foo` help: consider annotating `S` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct S; | error: aborting due to previous error diff --git a/tests/ui/extern-mod-syntax.rs b/tests/ui/extern-mod-syntax.rs new file mode 100644 index 00000000000..65dfa6a0f57 --- /dev/null +++ b/tests/ui/extern-mod-syntax.rs @@ -0,0 +1,11 @@ +// run-pass + +#![allow(unused_imports)] +#![no_std] + +extern crate std; +use std::ffi::c_void; + +pub fn main() { + std::println!("Hello world!"); +} diff --git a/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.rs b/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.rs new file mode 100644 index 00000000000..de0487cdb20 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.rs @@ -0,0 +1,18 @@ +trait Foo { + type Bar; +} + +impl Foo for () { + type Bar = impl std::fmt::Debug; + //~^ ERROR: `impl Trait` in associated types is unstable +} + +struct Mop; + +impl Mop { + type Bop = impl std::fmt::Debug; + //~^ ERROR: `impl Trait` in associated types is unstable + //~| ERROR: inherent associated types are unstable +} + +fn main() {} diff --git a/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.stderr b/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.stderr new file mode 100644 index 00000000000..9a1ded96822 --- /dev/null +++ b/tests/ui/feature-gates/feature-gate-impl_trait_in_assoc_type.stderr @@ -0,0 +1,30 @@ +error[E0658]: `impl Trait` in associated types is unstable + --> $DIR/feature-gate-impl_trait_in_assoc_type.rs:6:16 + | +LL | type Bar = impl std::fmt::Debug; + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information + = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable + +error[E0658]: `impl Trait` in associated types is unstable + --> $DIR/feature-gate-impl_trait_in_assoc_type.rs:13:16 + | +LL | type Bop = impl std::fmt::Debug; + | ^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information + = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable + +error[E0658]: inherent associated types are unstable + --> $DIR/feature-gate-impl_trait_in_assoc_type.rs:13:5 + | +LL | type Bop = impl std::fmt::Debug; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = note: see issue #8995 <https://github.com/rust-lang/rust/issues/8995> for more information + = help: add `#![feature(inherent_associated_types)]` to the crate attributes to enable + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/feature-gates/feature-gate-return_type_notation.cfg.stderr b/tests/ui/feature-gates/feature-gate-return_type_notation.cfg.stderr index 85728f8e1ad..c3a371e25e8 100644 --- a/tests/ui/feature-gates/feature-gate-return_type_notation.cfg.stderr +++ b/tests/ui/feature-gates/feature-gate-return_type_notation.cfg.stderr @@ -1,14 +1,14 @@ error[E0658]: return type notation is experimental - --> $DIR/feature-gate-return_type_notation.rs:12:18 + --> $DIR/feature-gate-return_type_notation.rs:15:17 | -LL | fn foo<T: Trait<m(..): Send>>() {} - | ^^^^ +LL | fn foo<T: Trait<m(): Send>>() {} + | ^^^^^^^^^ | = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information = help: add `#![feature(return_type_notation)]` to the crate attributes to enable warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/feature-gate-return_type_notation.rs:4:12 + --> $DIR/feature-gate-return_type_notation.rs:7:12 | LL | #![feature(async_fn_in_trait)] | ^^^^^^^^^^^^^^^^^ @@ -16,6 +16,21 @@ LL | #![feature(async_fn_in_trait)] = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information = note: `#[warn(incomplete_features)]` on by default -error: aborting due to previous error; 1 warning emitted +error: parenthesized generic arguments cannot be used in associated type constraints + --> $DIR/feature-gate-return_type_notation.rs:15:17 + | +LL | fn foo<T: Trait<m(): Send>>() {} + | ^-- + | | + | help: remove these parentheses + +error[E0220]: associated type `m` not found for `Trait` + --> $DIR/feature-gate-return_type_notation.rs:15:17 + | +LL | fn foo<T: Trait<m(): Send>>() {} + | ^ associated type `m` not found + +error: aborting due to 3 previous errors; 1 warning emitted -For more information about this error, try `rustc --explain E0658`. +Some errors have detailed explanations: E0220, E0658. +For more information about an error, try `rustc --explain E0220`. diff --git a/tests/ui/feature-gates/feature-gate-return_type_notation.no.stderr b/tests/ui/feature-gates/feature-gate-return_type_notation.no.stderr index 85728f8e1ad..52c90c1565c 100644 --- a/tests/ui/feature-gates/feature-gate-return_type_notation.no.stderr +++ b/tests/ui/feature-gates/feature-gate-return_type_notation.no.stderr @@ -1,14 +1,5 @@ -error[E0658]: return type notation is experimental - --> $DIR/feature-gate-return_type_notation.rs:12:18 - | -LL | fn foo<T: Trait<m(..): Send>>() {} - | ^^^^ - | - = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information - = help: add `#![feature(return_type_notation)]` to the crate attributes to enable - warning: the feature `async_fn_in_trait` is incomplete and may not be safe to use and/or cause compiler crashes - --> $DIR/feature-gate-return_type_notation.rs:4:12 + --> $DIR/feature-gate-return_type_notation.rs:7:12 | LL | #![feature(async_fn_in_trait)] | ^^^^^^^^^^^^^^^^^ @@ -16,6 +7,16 @@ LL | #![feature(async_fn_in_trait)] = note: see issue #91611 <https://github.com/rust-lang/rust/issues/91611> for more information = note: `#[warn(incomplete_features)]` on by default -error: aborting due to previous error; 1 warning emitted +warning: return type notation is experimental + --> $DIR/feature-gate-return_type_notation.rs:15:17 + | +LL | fn foo<T: Trait<m(): Send>>() {} + | ^^^^^^^^^ + | + = note: see issue #109417 <https://github.com/rust-lang/rust/issues/109417> for more information + = help: add `#![feature(return_type_notation)]` to the crate attributes to enable + = warning: unstable syntax can change at any point in the future, causing a hard error! + = note: for more information, see issue #65860 <https://github.com/rust-lang/rust/issues/65860> + +warning: 2 warnings emitted -For more information about this error, try `rustc --explain E0658`. diff --git a/tests/ui/feature-gates/feature-gate-return_type_notation.rs b/tests/ui/feature-gates/feature-gate-return_type_notation.rs index b75feb130a6..5028b9ec9e3 100644 --- a/tests/ui/feature-gates/feature-gate-return_type_notation.rs +++ b/tests/ui/feature-gates/feature-gate-return_type_notation.rs @@ -1,6 +1,9 @@ // edition: 2021 // revisions: cfg no +//[no] check-pass +// Since we're not adding new syntax, `cfg`'d out RTN must pass. + #![feature(async_fn_in_trait)] //~^ WARN the feature `async_fn_in_trait` is incomplete @@ -9,7 +12,11 @@ trait Trait { } #[cfg(cfg)] -fn foo<T: Trait<m(..): Send>>() {} -//~^ ERROR return type notation is experimental +fn foo<T: Trait<m(): Send>>() {} +//[cfg]~^ ERROR return type notation is experimental +//[cfg]~| ERROR parenthesized generic arguments cannot be used in associated type constraints +//[cfg]~| ERROR associated type `m` not found for `Trait` +//[no]~^^^^ WARN return type notation is experimental +//[no]~| WARN unstable syntax can change at any point in the future, causing a hard error! fn main() {} diff --git a/tests/ui/fmt/format-args-argument-span.stderr b/tests/ui/fmt/format-args-argument-span.stderr index b060b2cd339..4e2702383d6 100644 --- a/tests/ui/fmt/format-args-argument-span.stderr +++ b/tests/ui/fmt/format-args-argument-span.stderr @@ -29,7 +29,8 @@ LL | println!("{x} {x:?} {x}"); = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `DisplayOnly` with `#[derive(Debug)]` | -LL | #[derive(Debug)] +LL + #[derive(Debug)] +LL | struct DisplayOnly; | error[E0277]: `DisplayOnly` doesn't implement `Debug` @@ -43,7 +44,8 @@ LL | println!("{x} {x:?} {x}", x = DisplayOnly); = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `DisplayOnly` with `#[derive(Debug)]` | -LL | #[derive(Debug)] +LL + #[derive(Debug)] +LL | struct DisplayOnly; | error: aborting due to 4 previous errors diff --git a/tests/ui/generator/clone-impl.stderr b/tests/ui/generator/clone-impl.stderr index a92646b198c..64eb47c1a5a 100644 --- a/tests/ui/generator/clone-impl.stderr +++ b/tests/ui/generator/clone-impl.stderr @@ -110,7 +110,8 @@ LL | fn check_copy<T: Copy>(_x: &T) {} | ^^^^ required by this bound in `check_copy` help: consider annotating `NonClone` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct NonClone; | error[E0277]: the trait bound `NonClone: Clone` is not satisfied in `[generator@$DIR/clone-impl.rs:62:25: 62:32]` @@ -134,7 +135,8 @@ LL | fn check_clone<T: Clone>(_x: &T) {} | ^^^^^ required by this bound in `check_clone` help: consider annotating `NonClone` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct NonClone; | error: aborting due to 6 previous errors diff --git a/tests/ui/generator/issue-87142.rs b/tests/ui/generator/issue-87142.rs index fc10d04d46c..7f670919ed6 100644 --- a/tests/ui/generator/issue-87142.rs +++ b/tests/ui/generator/issue-87142.rs @@ -4,7 +4,7 @@ // Regression test for #87142 // This test needs the above flags and the "lib" crate type. -#![feature(type_alias_impl_trait, generator_trait, generators)] +#![feature(impl_trait_in_assoc_type, generator_trait, generators)] #![crate_type = "lib"] use std::ops::Generator; diff --git a/tests/ui/generator/non-static-is-unpin.rs b/tests/ui/generator/non-static-is-unpin.rs index 96d0a8e2833..17e23f5bcd2 100644 --- a/tests/ui/generator/non-static-is-unpin.rs +++ b/tests/ui/generator/non-static-is-unpin.rs @@ -1,3 +1,5 @@ +// revisions: current next +//[next] compile-flags: -Ztrait-solver=next // run-pass #![feature(generators, generator_trait)] diff --git a/tests/ui/generator/static-not-unpin.stderr b/tests/ui/generator/static-not-unpin.current.stderr index e3859595fd2..ecd8ca60c6f 100644 --- a/tests/ui/generator/static-not-unpin.stderr +++ b/tests/ui/generator/static-not-unpin.current.stderr @@ -1,14 +1,15 @@ -error[E0277]: `[static generator@$DIR/static-not-unpin.rs:11:25: 11:34]` cannot be unpinned - --> $DIR/static-not-unpin.rs:14:18 +error[E0277]: `[static generator@$DIR/static-not-unpin.rs:14:25: 14:34]` cannot be unpinned + --> $DIR/static-not-unpin.rs:17:18 | LL | assert_unpin(generator); - | ------------ ^^^^^^^^^ the trait `Unpin` is not implemented for `[static generator@$DIR/static-not-unpin.rs:11:25: 11:34]` + | ------------ ^^^^^^^^^ the trait `Unpin` is not implemented for `[static generator@$DIR/static-not-unpin.rs:14:25: 14:34]` | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `assert_unpin` - --> $DIR/static-not-unpin.rs:7:20 + --> $DIR/static-not-unpin.rs:10:20 | LL | fn assert_unpin<T: Unpin>(_: T) { | ^^^^^ required by this bound in `assert_unpin` diff --git a/tests/ui/generator/static-not-unpin.next.stderr b/tests/ui/generator/static-not-unpin.next.stderr new file mode 100644 index 00000000000..ecd8ca60c6f --- /dev/null +++ b/tests/ui/generator/static-not-unpin.next.stderr @@ -0,0 +1,19 @@ +error[E0277]: `[static generator@$DIR/static-not-unpin.rs:14:25: 14:34]` cannot be unpinned + --> $DIR/static-not-unpin.rs:17:18 + | +LL | assert_unpin(generator); + | ------------ ^^^^^^^^^ the trait `Unpin` is not implemented for `[static generator@$DIR/static-not-unpin.rs:14:25: 14:34]` + | | + | required by a bound introduced by this call + | + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope +note: required by a bound in `assert_unpin` + --> $DIR/static-not-unpin.rs:10:20 + | +LL | fn assert_unpin<T: Unpin>(_: T) { + | ^^^^^ required by this bound in `assert_unpin` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/generator/static-not-unpin.rs b/tests/ui/generator/static-not-unpin.rs index cfcb94737be..30d3f291870 100644 --- a/tests/ui/generator/static-not-unpin.rs +++ b/tests/ui/generator/static-not-unpin.rs @@ -1,3 +1,6 @@ +// revisions: current next +//[next] compile-flags: -Ztrait-solver=next + #![feature(generators)] // normalize-stderr-test "std::pin::Unpin" -> "std::marker::Unpin" diff --git a/tests/ui/generic-associated-types/bugs/issue-100013.stderr b/tests/ui/generic-associated-types/bugs/issue-100013.stderr index 9db124a81e4..86dbad84d99 100644 --- a/tests/ui/generic-associated-types/bugs/issue-100013.stderr +++ b/tests/ui/generic-associated-types/bugs/issue-100013.stderr @@ -28,12 +28,12 @@ LL | | async {}.await; // a yield point LL | | } | |_____^ | -note: the lifetime defined here... +note: the lifetime `'b` defined here... --> $DIR/issue-100013.rs:21:14 | LL | fn call2<'a, 'b, I: FutureIterator>() -> impl Send { | ^^ -note: ...must outlive the lifetime defined here +note: ...must outlive the lifetime `'a` defined here --> $DIR/issue-100013.rs:21:10 | LL | fn call2<'a, 'b, I: FutureIterator>() -> impl Send { @@ -62,12 +62,12 @@ LL | | async {}.await; // a yield point LL | | } | |_____^ | -note: the lifetime defined here... +note: the lifetime `'b` defined here... --> $DIR/issue-100013.rs:28:18 | LL | fn call3<'a: 'b, 'b, I: FutureIterator>() -> impl Send { | ^^ -note: ...must outlive the lifetime defined here +note: ...must outlive the lifetime `'a` defined here --> $DIR/issue-100013.rs:28:10 | LL | fn call3<'a: 'b, 'b, I: FutureIterator>() -> impl Send { diff --git a/tests/ui/generic-associated-types/issue-86218-2.rs b/tests/ui/generic-associated-types/issue-86218-2.rs index 63c839ea871..8a5e4a0f3cc 100644 --- a/tests/ui/generic-associated-types/issue-86218-2.rs +++ b/tests/ui/generic-associated-types/issue-86218-2.rs @@ -1,6 +1,6 @@ // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait Stream { type Item; @@ -17,7 +17,9 @@ trait Yay<AdditionalValue> { impl<T> Yay<T> for () { type InnerStream<'s> = impl Stream<Item = i32> + 's; - fn foo<'s>() -> Self::InnerStream<'s> { () } + fn foo<'s>() -> Self::InnerStream<'s> { + () + } } fn main() {} diff --git a/tests/ui/generic-associated-types/issue-86218.rs b/tests/ui/generic-associated-types/issue-86218.rs index b2c3071f06b..61cfdd35a89 100644 --- a/tests/ui/generic-associated-types/issue-86218.rs +++ b/tests/ui/generic-associated-types/issue-86218.rs @@ -1,6 +1,6 @@ // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait Stream { type Item; @@ -18,7 +18,9 @@ trait Yay<AdditionalValue> { impl<'a> Yay<&'a ()> for () { type InnerStream<'s> = impl Stream<Item = i32> + 's; //^ ERROR does not fulfill the required lifetime - fn foo<'s>() -> Self::InnerStream<'s> { () } + fn foo<'s>() -> Self::InnerStream<'s> { + () + } } fn main() {} diff --git a/tests/ui/generic-associated-types/issue-87258_a.rs b/tests/ui/generic-associated-types/issue-87258_a.rs index 9ab683d3dc9..6f737b21f53 100644 --- a/tests/ui/generic-associated-types/issue-87258_a.rs +++ b/tests/ui/generic-associated-types/issue-87258_a.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] // See https://github.com/rust-lang/rust/issues/87258#issuecomment-883293367 diff --git a/tests/ui/generic-associated-types/issue-87429-associated-type-default.stderr b/tests/ui/generic-associated-types/issue-87429-associated-type-default.stderr index b1abe012be2..a44bb6993d4 100644 --- a/tests/ui/generic-associated-types/issue-87429-associated-type-default.stderr +++ b/tests/ui/generic-associated-types/issue-87429-associated-type-default.stderr @@ -12,7 +12,8 @@ LL | type Member<'a>: for<'b> PartialEq<Self::Member<'b>> = Foo; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Family2::Member` help: consider annotating `Foo` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct Foo; | error: aborting due to previous error diff --git a/tests/ui/generic-associated-types/issue-87429-specialization.stderr b/tests/ui/generic-associated-types/issue-87429-specialization.stderr index 11c4ebf604e..c259c89a712 100644 --- a/tests/ui/generic-associated-types/issue-87429-specialization.stderr +++ b/tests/ui/generic-associated-types/issue-87429-specialization.stderr @@ -22,7 +22,8 @@ LL | type Member<'a>: for<'b> PartialEq<Self::Member<'b>>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `Family::Member` help: consider annotating `Foo` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct Foo; | error: aborting due to previous error; 1 warning emitted diff --git a/tests/ui/generic-associated-types/issue-88595.rs b/tests/ui/generic-associated-types/issue-88595.rs index 24641ee1f78..5a40a612972 100644 --- a/tests/ui/generic-associated-types/issue-88595.rs +++ b/tests/ui/generic-associated-types/issue-88595.rs @@ -1,7 +1,8 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] fn main() {} +#[rustfmt::skip] trait A<'a> { type B<'b>: Clone // FIXME(generic_associated_types): Remove one of the below bounds diff --git a/tests/ui/generic-associated-types/issue-88595.stderr b/tests/ui/generic-associated-types/issue-88595.stderr index bcefc806685..79d3479af8c 100644 --- a/tests/ui/generic-associated-types/issue-88595.stderr +++ b/tests/ui/generic-associated-types/issue-88595.stderr @@ -1,11 +1,11 @@ error: non-defining opaque type use in defining scope - --> $DIR/issue-88595.rs:20:35 + --> $DIR/issue-88595.rs:21:35 | LL | fn a(&'a self) -> Self::B<'a> {} | ^^ | note: lifetime used multiple times - --> $DIR/issue-88595.rs:17:6 + --> $DIR/issue-88595.rs:18:6 | LL | impl<'a> A<'a> for C { | ^^ diff --git a/tests/ui/generic-associated-types/issue-89008.rs b/tests/ui/generic-associated-types/issue-89008.rs index 669dbafb5d5..94b07e674e8 100644 --- a/tests/ui/generic-associated-types/issue-89008.rs +++ b/tests/ui/generic-associated-types/issue-89008.rs @@ -1,7 +1,7 @@ // check-pass // edition:2021 -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] use std::future::Future; use std::marker::PhantomData; diff --git a/tests/ui/generic-associated-types/issue-90014.rs b/tests/ui/generic-associated-types/issue-90014.rs index 55db95a6d81..c4d762796e2 100644 --- a/tests/ui/generic-associated-types/issue-90014.rs +++ b/tests/ui/generic-associated-types/issue-90014.rs @@ -1,11 +1,13 @@ // edition:2018 -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] use std::future::Future; trait MakeFut { - type Fut<'a> where Self: 'a; + type Fut<'a> + where + Self: 'a; fn make_fut<'a>(&'a self) -> Self::Fut<'a>; } diff --git a/tests/ui/generic-associated-types/issue-90014.stderr b/tests/ui/generic-associated-types/issue-90014.stderr index b4b1bc7da7f..0d49398cac9 100644 --- a/tests/ui/generic-associated-types/issue-90014.stderr +++ b/tests/ui/generic-associated-types/issue-90014.stderr @@ -1,14 +1,14 @@ error[E0477]: the type `&mut ()` does not fulfill the required lifetime - --> $DIR/issue-90014.rs:13:20 + --> $DIR/issue-90014.rs:15:20 | -LL | type Fut<'a> where Self: 'a; +LL | type Fut<'a> | ------------ definition of `Fut` from trait ... LL | type Fut<'a> = impl Future<Output = ()>; | ^^^^^^^^^^^^^^^^^^^^^^^^ | note: type must outlive the lifetime `'a` as defined here - --> $DIR/issue-90014.rs:13:14 + --> $DIR/issue-90014.rs:15:14 | LL | type Fut<'a> = impl Future<Output = ()>; | ^^ diff --git a/tests/ui/generics/issue-79605.rs b/tests/ui/generics/issue-79605.rs new file mode 100644 index 00000000000..6f4c31e57a3 --- /dev/null +++ b/tests/ui/generics/issue-79605.rs @@ -0,0 +1,6 @@ +struct X<'a, T>(&'a T); + +impl X<'_, _> {} +//~^ ERROR the placeholder `_` is not allowed within types on item signatures for implementations + +fn main() {} diff --git a/tests/ui/generics/issue-79605.stderr b/tests/ui/generics/issue-79605.stderr new file mode 100644 index 00000000000..c5584962dc9 --- /dev/null +++ b/tests/ui/generics/issue-79605.stderr @@ -0,0 +1,14 @@ +error[E0121]: the placeholder `_` is not allowed within types on item signatures for implementations + --> $DIR/issue-79605.rs:3:12 + | +LL | impl X<'_, _> {} + | ^ not allowed in type signatures + | +help: use type parameters instead + | +LL | impl<T> X<'_, T> {} + | +++ ~ + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0121`. diff --git a/tests/ui/higher-rank-trait-bounds/issue-95230.new.stderr b/tests/ui/higher-rank-trait-bounds/issue-95230.new.stderr index bcb201bf0c3..d4bc5b67220 100644 --- a/tests/ui/higher-rank-trait-bounds/issue-95230.new.stderr +++ b/tests/ui/higher-rank-trait-bounds/issue-95230.new.stderr @@ -1,9 +1,10 @@ -error[E0282]: type annotations needed +error[E0275]: overflow evaluating the requirement `for<'a> &'a mut Bar well-formed` --> $DIR/issue-95230.rs:9:13 | LL | for<'a> &'a mut Self:; - | ^^^^^^^^^^^^ cannot infer type for mutable reference `&'a mut Bar` + | ^^^^^^^^^^^^ | + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_95230`) note: required by a bound in `Bar` --> $DIR/issue-95230.rs:9:13 | @@ -15,4 +16,4 @@ LL | for<'a> &'a mut Self:; error: aborting due to previous error -For more information about this error, try `rustc --explain E0282`. +For more information about this error, try `rustc --explain E0275`. diff --git a/tests/ui/hygiene/globs.stderr b/tests/ui/hygiene/globs.stderr index c01901be5fe..18017264440 100644 --- a/tests/ui/hygiene/globs.stderr +++ b/tests/ui/hygiene/globs.stderr @@ -13,7 +13,7 @@ LL | g(); | ~ help: consider importing this function | -LL | use foo::f; +LL + use foo::f; | error[E0425]: cannot find function `g` in this scope @@ -39,7 +39,7 @@ LL | f(); | ~ help: consider importing this function | -LL | use bar::g; +LL + use bar::g; | error[E0425]: cannot find function `f` in this scope diff --git a/tests/ui/hygiene/no_implicit_prelude.stderr b/tests/ui/hygiene/no_implicit_prelude.stderr index c48c840352f..96187b1c501 100644 --- a/tests/ui/hygiene/no_implicit_prelude.stderr +++ b/tests/ui/hygiene/no_implicit_prelude.stderr @@ -10,7 +10,7 @@ LL | Vec::new(); = note: this error originates in the macro `::bar::m` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider importing this struct | -LL | use std::vec::Vec; +LL + use std::vec::Vec; | error[E0599]: no method named `clone` found for unit type `()` in the current scope @@ -26,7 +26,7 @@ LL | ().clone() = note: this error originates in the macro `::bar::m` (in Nightly builds, run with -Z macro-backtrace for more info) help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use std::clone::Clone; +LL + use std::clone::Clone; | error: aborting due to 2 previous errors diff --git a/tests/ui/hygiene/panic-location.run.stderr b/tests/ui/hygiene/panic-location.run.stderr index 1c6a7b02f8e..a7252a40027 100644 --- a/tests/ui/hygiene/panic-location.run.stderr +++ b/tests/ui/hygiene/panic-location.run.stderr @@ -1,2 +1,2 @@ -thread 'main' panicked at 'capacity overflow', library/alloc/src/raw_vec.rs:525:5 +thread 'main' panicked at 'capacity overflow', library/alloc/src/raw_vec.rs:524:5 note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace diff --git a/tests/ui/hygiene/trait_items.stderr b/tests/ui/hygiene/trait_items.stderr index 80bdbe0e21e..f303534c709 100644 --- a/tests/ui/hygiene/trait_items.stderr +++ b/tests/ui/hygiene/trait_items.stderr @@ -14,7 +14,7 @@ LL | pub macro m() { ().f() } = note: this error originates in the macro `::baz::m` (in Nightly builds, run with -Z macro-backtrace for more info) help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use foo::T; +LL + use foo::T; | error: aborting due to previous error diff --git a/tests/ui/impl-trait/associated-impl-trait-type-generic-trait.rs b/tests/ui/impl-trait/associated-impl-trait-type-generic-trait.rs index 6c7c46b0e3d..0908a0bf39d 100644 --- a/tests/ui/impl-trait/associated-impl-trait-type-generic-trait.rs +++ b/tests/ui/impl-trait/associated-impl-trait-type-generic-trait.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] // build-pass (FIXME(62277): could be check-pass?) trait Bar {} diff --git a/tests/ui/impl-trait/associated-impl-trait-type-trivial.rs b/tests/ui/impl-trait/associated-impl-trait-type-trivial.rs index cdda341cad8..b5ea90bb0c7 100644 --- a/tests/ui/impl-trait/associated-impl-trait-type-trivial.rs +++ b/tests/ui/impl-trait/associated-impl-trait-type-trivial.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] // build-pass (FIXME(62277): could be check-pass?) trait Bar {} diff --git a/tests/ui/impl-trait/associated-impl-trait-type.rs b/tests/ui/impl-trait/associated-impl-trait-type.rs index d0661d66f4b..f5981261c38 100644 --- a/tests/ui/impl-trait/associated-impl-trait-type.rs +++ b/tests/ui/impl-trait/associated-impl-trait-type.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] // build-pass (FIXME(62277): could be check-pass?) trait Bar {} diff --git a/tests/ui/impl-trait/issue-55872-1.rs b/tests/ui/impl-trait/issue-55872-1.rs index 22ff7ffa23c..f36a310ddf3 100644 --- a/tests/ui/impl-trait/issue-55872-1.rs +++ b/tests/ui/impl-trait/issue-55872-1.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait Bar { type E: Copy; diff --git a/tests/ui/impl-trait/issue-55872-2.rs b/tests/ui/impl-trait/issue-55872-2.rs index cbc7b5d62e1..7a5cb3b3dfc 100644 --- a/tests/ui/impl-trait/issue-55872-2.rs +++ b/tests/ui/impl-trait/issue-55872-2.rs @@ -3,7 +3,7 @@ // [drop_tracking_mir] compile-flags: -Zdrop-tracking-mir // edition:2018 -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait Bar { type E: Send; diff --git a/tests/ui/impl-trait/issue-55872-2.stderr b/tests/ui/impl-trait/issue-55872-2.stderr deleted file mode 100644 index 477c964bd40..00000000000 --- a/tests/ui/impl-trait/issue-55872-2.stderr +++ /dev/null @@ -1,8 +0,0 @@ -error: type parameter `T` is part of concrete type but not used in parameter list for the `impl Trait` type alias - --> $DIR/issue-55872-2.rs:17:9 - | -LL | async {} - | ^^^^^^^^ - -error: aborting due to previous error - diff --git a/tests/ui/impl-trait/issue-55872-3.rs b/tests/ui/impl-trait/issue-55872-3.rs index 91811df93cd..d031271ac08 100644 --- a/tests/ui/impl-trait/issue-55872-3.rs +++ b/tests/ui/impl-trait/issue-55872-3.rs @@ -1,7 +1,7 @@ // edition:2018 // ignore-compare-mode-chalk -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait Bar { type E: Copy; diff --git a/tests/ui/impl-trait/issue-55872.rs b/tests/ui/impl-trait/issue-55872.rs index c4e6f643608..10850f0a933 100644 --- a/tests/ui/impl-trait/issue-55872.rs +++ b/tests/ui/impl-trait/issue-55872.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait Bar { type E: Copy; diff --git a/tests/ui/impl-trait/issues/issue-82139.rs b/tests/ui/impl-trait/issues/issue-82139.rs index cc9167b340a..3f0b0f1a8de 100644 --- a/tests/ui/impl-trait/issues/issue-82139.rs +++ b/tests/ui/impl-trait/issues/issue-82139.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Trait { type Associated; diff --git a/tests/ui/impl-trait/issues/issue-83919.rs b/tests/ui/impl-trait/issues/issue-83919.rs index e76443a65db..4e699e7f302 100644 --- a/tests/ui/impl-trait/issues/issue-83919.rs +++ b/tests/ui/impl-trait/issues/issue-83919.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] // edition:2021 @@ -6,8 +6,8 @@ use std::future::Future; trait Foo { type T; - type Fut2: Future<Output=Self::T>; // ICE got triggered with traits other than Future here - type Fut: Future<Output=Self::Fut2>; + type Fut2: Future<Output = Self::T>; // ICE got triggered with traits other than Future here + type Fut: Future<Output = Self::Fut2>; fn get_fut(&self) -> Self::Fut; } @@ -15,11 +15,11 @@ struct Implementor; impl Foo for Implementor { type T = u64; - type Fut2 = impl Future<Output=u64>; - type Fut = impl Future<Output=Self::Fut2>; + type Fut2 = impl Future<Output = u64>; + type Fut = impl Future<Output = Self::Fut2>; fn get_fut(&self) -> Self::Fut { - //~^ ERROR `{integer}` is not a future + //~^ ERROR `{integer}` is not a future async move { 42 // 42 does not impl Future and rustc does actually point out the error, diff --git a/tests/ui/impl-trait/issues/issue-86719.rs b/tests/ui/impl-trait/issues/issue-86719.rs index f4b0b3f33fc..7abab5bfb75 100644 --- a/tests/ui/impl-trait/issues/issue-86719.rs +++ b/tests/ui/impl-trait/issues/issue-86719.rs @@ -1,11 +1,12 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Bar { type E; } impl<S> Bar for S { type E = impl ; //~ ERROR at least one trait must be specified - fn foo() -> Self::E { //~ ERROR `foo` is not a member + fn foo() -> Self::E { + //~^ ERROR `foo` is not a member |_| true //~ ERROR type annotations needed } } diff --git a/tests/ui/impl-trait/issues/issue-86719.stderr b/tests/ui/impl-trait/issues/issue-86719.stderr index 7592418fdfd..15893df5f94 100644 --- a/tests/ui/impl-trait/issues/issue-86719.stderr +++ b/tests/ui/impl-trait/issues/issue-86719.stderr @@ -8,12 +8,13 @@ error[E0407]: method `foo` is not a member of trait `Bar` --> $DIR/issue-86719.rs:8:5 | LL | / fn foo() -> Self::E { +LL | | LL | | |_| true LL | | } | |_____^ not a member of trait `Bar` error[E0282]: type annotations needed - --> $DIR/issue-86719.rs:9:10 + --> $DIR/issue-86719.rs:10:10 | LL | |_| true | ^ diff --git a/tests/ui/impl-trait/issues/issue-87340.rs b/tests/ui/impl-trait/issues/issue-87340.rs index f0f6d2bb61c..705a4addcb7 100644 --- a/tests/ui/impl-trait/issues/issue-87340.rs +++ b/tests/ui/impl-trait/issues/issue-87340.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait X { type I; @@ -6,7 +6,7 @@ trait X { } impl<T> X for () { -//~^ ERROR `T` is not constrained by the impl trait, self type, or predicates + //~^ ERROR `T` is not constrained by the impl trait, self type, or predicates type I = impl Sized; fn f() -> Self::I {} } diff --git a/tests/ui/impl-trait/no-method-suggested-traits.stderr b/tests/ui/impl-trait/no-method-suggested-traits.stderr index 3c2c01dc227..160cc044078 100644 --- a/tests/ui/impl-trait/no-method-suggested-traits.stderr +++ b/tests/ui/impl-trait/no-method-suggested-traits.stderr @@ -7,13 +7,13 @@ LL | 1u32.method(); = help: items from traits can only be used if the trait is in scope help: the following traits are implemented but not in scope; perhaps add a `use` for one of them: | -LL | use foo::Bar; +LL + use foo::Bar; | -LL | use no_method_suggested_traits::Reexported; +LL + use no_method_suggested_traits::Reexported; | -LL | use no_method_suggested_traits::foo::PubPub; +LL + use no_method_suggested_traits::foo::PubPub; | -LL | use no_method_suggested_traits::qux::PrivPub; +LL + use no_method_suggested_traits::qux::PrivPub; | error[E0599]: no method named `method` found for struct `Rc<&mut Box<&u32>>` in the current scope @@ -25,13 +25,13 @@ LL | std::rc::Rc::new(&mut Box::new(&1u32)).method(); = help: items from traits can only be used if the trait is in scope help: the following traits are implemented but not in scope; perhaps add a `use` for one of them: | -LL | use foo::Bar; +LL + use foo::Bar; | -LL | use no_method_suggested_traits::Reexported; +LL + use no_method_suggested_traits::Reexported; | -LL | use no_method_suggested_traits::foo::PubPub; +LL + use no_method_suggested_traits::foo::PubPub; | -LL | use no_method_suggested_traits::qux::PrivPub; +LL + use no_method_suggested_traits::qux::PrivPub; | error[E0599]: no method named `method` found for type `char` in the current scope @@ -46,7 +46,7 @@ LL | 'a'.method(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use foo::Bar; +LL + use foo::Bar; | error[E0599]: no method named `method` found for struct `Rc<&mut Box<&char>>` in the current scope @@ -58,7 +58,7 @@ LL | std::rc::Rc::new(&mut Box::new(&'a')).method(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use foo::Bar; +LL + use foo::Bar; | error[E0599]: no method named `method` found for type `i32` in the current scope @@ -75,7 +75,7 @@ LL | fn method(&self) {} = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use no_method_suggested_traits::foo::PubPub; +LL + use no_method_suggested_traits::foo::PubPub; | error[E0599]: no method named `method` found for struct `Rc<&mut Box<&i32>>` in the current scope @@ -87,7 +87,7 @@ LL | std::rc::Rc::new(&mut Box::new(&1i32)).method(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use no_method_suggested_traits::foo::PubPub; +LL + use no_method_suggested_traits::foo::PubPub; | error[E0599]: no method named `method` found for struct `Foo` in the current scope diff --git a/tests/ui/impl-trait/type-alias-generic-param.rs b/tests/ui/impl-trait/type-alias-generic-param.rs index 3499b285926..1211625dac9 100644 --- a/tests/ui/impl-trait/type-alias-generic-param.rs +++ b/tests/ui/impl-trait/type-alias-generic-param.rs @@ -3,7 +3,7 @@ // types in 'item' position when generic parameters are involved // // run-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Meow { type MeowType; diff --git a/tests/ui/impl-trait/universal_wrong_bounds.stderr b/tests/ui/impl-trait/universal_wrong_bounds.stderr index 3b1a5e5f4ad..464d689589e 100644 --- a/tests/ui/impl-trait/universal_wrong_bounds.stderr +++ b/tests/ui/impl-trait/universal_wrong_bounds.stderr @@ -6,7 +6,7 @@ LL | fn wants_debug(g: impl Debug) { } | help: consider importing this trait instead | -LL | use std::fmt::Debug; +LL + use std::fmt::Debug; | error[E0404]: expected trait, found derive macro `Debug` @@ -17,7 +17,7 @@ LL | fn wants_display(g: impl Debug) { } | help: consider importing this trait instead | -LL | use std::fmt::Debug; +LL + use std::fmt::Debug; | error: aborting due to 2 previous errors diff --git a/tests/ui/impl-trait/where-allowed.rs b/tests/ui/impl-trait/where-allowed.rs index ff63b04c268..509d2716649 100644 --- a/tests/ui/impl-trait/where-allowed.rs +++ b/tests/ui/impl-trait/where-allowed.rs @@ -1,6 +1,8 @@ //! A simple test for testing many permutations of allowedness of //! impl Trait #![feature(impl_trait_in_fn_trait_return)] +#![feature(custom_inner_attributes)] +#![rustfmt::skip] use std::fmt::Debug; // Allowed @@ -116,7 +118,7 @@ trait DummyTrait { } impl DummyTrait for () { type Out = impl Debug; - //~^ ERROR `impl Trait` in type aliases is unstable + //~^ ERROR `impl Trait` in associated types is unstable fn in_trait_impl_parameter(_: impl Debug) { } // Allowed diff --git a/tests/ui/impl-trait/where-allowed.stderr b/tests/ui/impl-trait/where-allowed.stderr index 1cae3f77cc5..3e293437975 100644 --- a/tests/ui/impl-trait/where-allowed.stderr +++ b/tests/ui/impl-trait/where-allowed.stderr @@ -1,5 +1,5 @@ error[E0666]: nested `impl Trait` is not allowed - --> $DIR/where-allowed.rs:47:51 + --> $DIR/where-allowed.rs:49:51 | LL | fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() } | --------^^^^^^^^^^- @@ -8,7 +8,7 @@ LL | fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() } | outer `impl Trait` error[E0666]: nested `impl Trait` is not allowed - --> $DIR/where-allowed.rs:56:57 + --> $DIR/where-allowed.rs:58:57 | LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() } | --------^^^^^^^^^^- @@ -16,17 +16,17 @@ LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic | | nested `impl Trait` here | outer `impl Trait` -error[E0658]: `impl Trait` in type aliases is unstable - --> $DIR/where-allowed.rs:118:16 +error[E0658]: `impl Trait` in associated types is unstable + --> $DIR/where-allowed.rs:120:16 | LL | type Out = impl Debug; | ^^^^^^^^^^ | = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information - = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable + = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable error[E0658]: `impl Trait` in type aliases is unstable - --> $DIR/where-allowed.rs:153:23 + --> $DIR/where-allowed.rs:155:23 | LL | type InTypeAlias<R> = impl Debug; | ^^^^^^^^^^ @@ -35,7 +35,7 @@ LL | type InTypeAlias<R> = impl Debug; = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable error[E0658]: `impl Trait` in type aliases is unstable - --> $DIR/where-allowed.rs:156:39 + --> $DIR/where-allowed.rs:158:39 | LL | type InReturnInTypeAlias<R> = fn() -> impl Debug; | ^^^^^^^^^^ @@ -44,109 +44,109 @@ LL | type InReturnInTypeAlias<R> = fn() -> impl Debug; = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer params - --> $DIR/where-allowed.rs:16:40 + --> $DIR/where-allowed.rs:18:40 | LL | fn in_fn_parameter_in_parameters(_: fn(impl Debug)) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return types - --> $DIR/where-allowed.rs:20:42 + --> $DIR/where-allowed.rs:22:42 | LL | fn in_fn_return_in_parameters(_: fn() -> impl Debug) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer params - --> $DIR/where-allowed.rs:24:38 + --> $DIR/where-allowed.rs:26:38 | LL | fn in_fn_parameter_in_return() -> fn(impl Debug) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return types - --> $DIR/where-allowed.rs:28:40 + --> $DIR/where-allowed.rs:30:40 | LL | fn in_fn_return_in_return() -> fn() -> impl Debug { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params - --> $DIR/where-allowed.rs:32:49 + --> $DIR/where-allowed.rs:34:49 | LL | fn in_dyn_Fn_parameter_in_parameters(_: &dyn Fn(impl Debug)) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return types - --> $DIR/where-allowed.rs:36:51 + --> $DIR/where-allowed.rs:38:51 | LL | fn in_dyn_Fn_return_in_parameters(_: &dyn Fn() -> impl Debug) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params - --> $DIR/where-allowed.rs:40:55 + --> $DIR/where-allowed.rs:42:55 | LL | fn in_dyn_Fn_parameter_in_return() -> &'static dyn Fn(impl Debug) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params - --> $DIR/where-allowed.rs:47:51 + --> $DIR/where-allowed.rs:49:51 | LL | fn in_impl_Fn_parameter_in_parameters(_: &impl Fn(impl Debug)) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return types - --> $DIR/where-allowed.rs:52:53 + --> $DIR/where-allowed.rs:54:53 | LL | fn in_impl_Fn_return_in_parameters(_: &impl Fn() -> impl Debug) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params - --> $DIR/where-allowed.rs:56:57 + --> $DIR/where-allowed.rs:58:57 | LL | fn in_impl_Fn_parameter_in_return() -> &'static impl Fn(impl Debug) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params - --> $DIR/where-allowed.rs:64:38 + --> $DIR/where-allowed.rs:66:38 | LL | fn in_Fn_parameter_in_generics<F: Fn(impl Debug)> (_: F) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return types - --> $DIR/where-allowed.rs:68:40 + --> $DIR/where-allowed.rs:70:40 | LL | fn in_Fn_return_in_generics<F: Fn() -> impl Debug> (_: F) { panic!() } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field types - --> $DIR/where-allowed.rs:81:32 + --> $DIR/where-allowed.rs:83:32 | LL | struct InBraceStructField { x: impl Debug } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field types - --> $DIR/where-allowed.rs:85:41 + --> $DIR/where-allowed.rs:87:41 | LL | struct InAdtInBraceStructField { x: Vec<impl Debug> } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field types - --> $DIR/where-allowed.rs:89:27 + --> $DIR/where-allowed.rs:91:27 | LL | struct InTupleStructField(impl Debug); | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field types - --> $DIR/where-allowed.rs:94:25 + --> $DIR/where-allowed.rs:96:25 | LL | InBraceVariant { x: impl Debug }, | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in field types - --> $DIR/where-allowed.rs:96:20 + --> $DIR/where-allowed.rs:98:20 | LL | InTupleVariant(impl Debug), | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in trait method return types - --> $DIR/where-allowed.rs:107:23 + --> $DIR/where-allowed.rs:109:23 | LL | fn in_return() -> impl Debug; | ^^^^^^^^^^ @@ -155,7 +155,7 @@ LL | fn in_return() -> impl Debug; = help: add `#![feature(return_position_impl_trait_in_trait)]` to the crate attributes to enable error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `impl` method return types - --> $DIR/where-allowed.rs:124:34 + --> $DIR/where-allowed.rs:126:34 | LL | fn in_trait_impl_return() -> impl Debug { () } | ^^^^^^^^^^ @@ -164,127 +164,127 @@ LL | fn in_trait_impl_return() -> impl Debug { () } = help: add `#![feature(return_position_impl_trait_in_trait)]` to the crate attributes to enable error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `extern fn` params - --> $DIR/where-allowed.rs:137:33 + --> $DIR/where-allowed.rs:139:33 | LL | fn in_foreign_parameters(_: impl Debug); | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `extern fn` return types - --> $DIR/where-allowed.rs:140:31 + --> $DIR/where-allowed.rs:142:31 | LL | fn in_foreign_return() -> impl Debug; | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `fn` pointer return types - --> $DIR/where-allowed.rs:156:39 + --> $DIR/where-allowed.rs:158:39 | LL | type InReturnInTypeAlias<R> = fn() -> impl Debug; | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in traits - --> $DIR/where-allowed.rs:161:16 + --> $DIR/where-allowed.rs:163:16 | LL | impl PartialEq<impl Debug> for () { | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl headers - --> $DIR/where-allowed.rs:166:24 + --> $DIR/where-allowed.rs:168:24 | LL | impl PartialEq<()> for impl Debug { | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl headers - --> $DIR/where-allowed.rs:171:6 + --> $DIR/where-allowed.rs:173:6 | LL | impl impl Debug { | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in impl headers - --> $DIR/where-allowed.rs:177:24 + --> $DIR/where-allowed.rs:179:24 | LL | impl InInherentImplAdt<impl Debug> { | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in bounds - --> $DIR/where-allowed.rs:183:11 + --> $DIR/where-allowed.rs:185:11 | LL | where impl Debug: Debug | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in bounds - --> $DIR/where-allowed.rs:190:15 + --> $DIR/where-allowed.rs:192:15 | LL | where Vec<impl Debug>: Debug | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in bounds - --> $DIR/where-allowed.rs:197:24 + --> $DIR/where-allowed.rs:199:24 | LL | where T: PartialEq<impl Debug> | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait params - --> $DIR/where-allowed.rs:204:17 + --> $DIR/where-allowed.rs:206:17 | LL | where T: Fn(impl Debug) | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in `Fn` trait return types - --> $DIR/where-allowed.rs:211:22 + --> $DIR/where-allowed.rs:213:22 | LL | where T: Fn() -> impl Debug | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults - --> $DIR/where-allowed.rs:217:40 + --> $DIR/where-allowed.rs:219:40 | LL | struct InStructGenericParamDefault<T = impl Debug>(T); | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults - --> $DIR/where-allowed.rs:221:36 + --> $DIR/where-allowed.rs:223:36 | LL | enum InEnumGenericParamDefault<T = impl Debug> { Variant(T) } | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults - --> $DIR/where-allowed.rs:225:38 + --> $DIR/where-allowed.rs:227:38 | LL | trait InTraitGenericParamDefault<T = impl Debug> {} | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults - --> $DIR/where-allowed.rs:229:41 + --> $DIR/where-allowed.rs:231:41 | LL | type InTypeAliasGenericParamDefault<T = impl Debug> = T; | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults - --> $DIR/where-allowed.rs:233:11 + --> $DIR/where-allowed.rs:235:11 | LL | impl <T = impl Debug> T {} | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in generic parameter defaults - --> $DIR/where-allowed.rs:240:40 + --> $DIR/where-allowed.rs:242:40 | LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} | ^^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in variable bindings - --> $DIR/where-allowed.rs:246:29 + --> $DIR/where-allowed.rs:248:29 | LL | let _in_local_variable: impl Fn() = || {}; | ^^^^^^^^^ error[E0562]: `impl Trait` only allowed in function and inherent method return types, not in closure return types - --> $DIR/where-allowed.rs:248:46 + --> $DIR/where-allowed.rs:250:46 | LL | let _in_return_in_local_variable = || -> impl Fn() { || {} }; | ^^^^^^^^^ error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:233:7 + --> $DIR/where-allowed.rs:235:7 | LL | impl <T = impl Debug> T {} | ^^^^^^^^^^^^^^ @@ -294,7 +294,7 @@ LL | impl <T = impl Debug> T {} = note: `#[deny(invalid_type_param_default)]` on by default error: defaults for type parameters are only allowed in `struct`, `enum`, `type`, or `trait` definitions - --> $DIR/where-allowed.rs:240:36 + --> $DIR/where-allowed.rs:242:36 | LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} | ^^^^^^^^^^^^^^ @@ -303,7 +303,7 @@ LL | fn in_method_generic_param_default<T = impl Debug>(_: T) {} = note: for more information, see issue #36887 <https://github.com/rust-lang/rust/issues/36887> error[E0118]: no nominal type found for inherent implementation - --> $DIR/where-allowed.rs:233:1 + --> $DIR/where-allowed.rs:235:1 | LL | impl <T = impl Debug> T {} | ^^^^^^^^^^^^^^^^^^^^^^^ impl requires a nominal type diff --git a/tests/ui/implied-bounds/issue-110161.rs b/tests/ui/implied-bounds/issue-110161.rs new file mode 100644 index 00000000000..e52c8356b52 --- /dev/null +++ b/tests/ui/implied-bounds/issue-110161.rs @@ -0,0 +1,26 @@ +// ICE regression relating to unconstrained lifetimes in implied +// bounds. See #110161. + +// compile-flags: --crate-type=lib + +trait LtTrait { + type Ty; +} + +// erroneous `Ty` impl +impl LtTrait for () { +//~^ ERROR not all trait items implemented, missing: `Ty` [E0046] +} + +// `'lt` is not constrained by the erroneous `Ty` +impl<'lt, T> LtTrait for Box<T> +where + T: LtTrait<Ty = &'lt ()>, +{ + type Ty = &'lt (); +} + +// unconstrained lifetime appears in implied bounds +fn test(_: <Box<()> as LtTrait>::Ty) {} + +fn test2<'x>(_: &'x <Box<()> as LtTrait>::Ty) {} diff --git a/tests/ui/implied-bounds/issue-110161.stderr b/tests/ui/implied-bounds/issue-110161.stderr new file mode 100644 index 00000000000..9e0188694ed --- /dev/null +++ b/tests/ui/implied-bounds/issue-110161.stderr @@ -0,0 +1,12 @@ +error[E0046]: not all trait items implemented, missing: `Ty` + --> $DIR/issue-110161.rs:11:1 + | +LL | type Ty; + | ------- `Ty` from trait +... +LL | impl LtTrait for () { + | ^^^^^^^^^^^^^^^^^^^ missing `Ty` in implementation + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0046`. diff --git a/tests/ui/imports/glob-resolve1.stderr b/tests/ui/imports/glob-resolve1.stderr index 3b66a5e3150..4401ef58732 100644 --- a/tests/ui/imports/glob-resolve1.stderr +++ b/tests/ui/imports/glob-resolve1.stderr @@ -60,7 +60,7 @@ LL | import(); | help: consider importing this function | -LL | use other::import; +LL + use other::import; | error[E0412]: cannot find type `A` in this scope diff --git a/tests/ui/imports/issue-38293.stderr b/tests/ui/imports/issue-38293.stderr index d2450ab1250..1bb7ae29e10 100644 --- a/tests/ui/imports/issue-38293.stderr +++ b/tests/ui/imports/issue-38293.stderr @@ -12,7 +12,7 @@ LL | baz(); | help: consider importing this function instead | -LL | use bar::baz; +LL + use bar::baz; | error: aborting due to 2 previous errors diff --git a/tests/ui/imports/issue-4366-2.stderr b/tests/ui/imports/issue-4366-2.stderr index 4c94634ee60..412423f4d59 100644 --- a/tests/ui/imports/issue-4366-2.stderr +++ b/tests/ui/imports/issue-4366-2.stderr @@ -18,7 +18,7 @@ LL | foo(); | help: consider importing this function instead | -LL | use foo::foo; +LL + use foo::foo; | error: aborting due to 2 previous errors diff --git a/tests/ui/imports/issue-4366.stderr b/tests/ui/imports/issue-4366.stderr index 469ea93e904..4d5b392a7e1 100644 --- a/tests/ui/imports/issue-4366.stderr +++ b/tests/ui/imports/issue-4366.stderr @@ -6,7 +6,7 @@ LL | fn sub() -> isize { foo(); 1 } | help: consider importing this function | -LL | use foo::foo; +LL + use foo::foo; | error: aborting due to previous error diff --git a/tests/ui/imports/overlapping_pub_trait.stderr b/tests/ui/imports/overlapping_pub_trait.stderr index d0c845a5e52..490dccd3e80 100644 --- a/tests/ui/imports/overlapping_pub_trait.stderr +++ b/tests/ui/imports/overlapping_pub_trait.stderr @@ -12,7 +12,7 @@ LL | pub trait Tr { fn method(&self); } = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use overlapping_pub_trait_source::m::Tr; +LL + use overlapping_pub_trait_source::m::Tr; | error: aborting due to previous error diff --git a/tests/ui/imports/unnamed_pub_trait.stderr b/tests/ui/imports/unnamed_pub_trait.stderr index 319dfd7e1b2..5133273c22f 100644 --- a/tests/ui/imports/unnamed_pub_trait.stderr +++ b/tests/ui/imports/unnamed_pub_trait.stderr @@ -12,7 +12,7 @@ LL | pub trait Tr { fn method(&self); } = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use unnamed_pub_trait_source::prelude::*; // trait Tr +LL + use unnamed_pub_trait_source::prelude::*; // trait Tr | error: aborting due to previous error diff --git a/tests/ui/infinite/infinite-trait-alias-recursion.stderr b/tests/ui/infinite/infinite-trait-alias-recursion.stderr index b925b3b018c..683987b4943 100644 --- a/tests/ui/infinite/infinite-trait-alias-recursion.stderr +++ b/tests/ui/infinite/infinite-trait-alias-recursion.stderr @@ -1,30 +1,15 @@ error[E0391]: cycle detected when computing the super predicates of `T1` - --> $DIR/infinite-trait-alias-recursion.rs:3:1 - | -LL | trait T1 = T2; - | ^^^^^^^^ - | -note: ...which requires computing the super traits of `T1`... --> $DIR/infinite-trait-alias-recursion.rs:3:12 | LL | trait T1 = T2; | ^^ -note: ...which requires computing the super predicates of `T2`... - --> $DIR/infinite-trait-alias-recursion.rs:6:1 | -LL | trait T2 = T3; - | ^^^^^^^^ -note: ...which requires computing the super traits of `T2`... +note: ...which requires computing the super predicates of `T2`... --> $DIR/infinite-trait-alias-recursion.rs:6:12 | LL | trait T2 = T3; | ^^ note: ...which requires computing the super predicates of `T3`... - --> $DIR/infinite-trait-alias-recursion.rs:8:1 - | -LL | trait T3 = T1 + T3; - | ^^^^^^^^ -note: ...which requires computing the super traits of `T3`... --> $DIR/infinite-trait-alias-recursion.rs:8:12 | LL | trait T3 = T1 + T3; diff --git a/tests/ui/inline-const/const-match-pat-lifetime-err.rs b/tests/ui/inline-const/const-match-pat-lifetime-err.rs index 436b8037f30..366ad26bb27 100644 --- a/tests/ui/inline-const/const-match-pat-lifetime-err.rs +++ b/tests/ui/inline-const/const-match-pat-lifetime-err.rs @@ -1,4 +1,4 @@ -// ignore-test +// ignore-test (This is currently broken) #![allow(incomplete_features)] #![feature(const_mut_refs)] diff --git a/tests/ui-fulldeps/internal-lints/diagnostics_incorrect.rs b/tests/ui/internal-lints/diagnostics_incorrect.rs index 99f99ffcd35..99f99ffcd35 100644 --- a/tests/ui-fulldeps/internal-lints/diagnostics_incorrect.rs +++ b/tests/ui/internal-lints/diagnostics_incorrect.rs diff --git a/tests/ui-fulldeps/internal-lints/diagnostics_incorrect.stderr b/tests/ui/internal-lints/diagnostics_incorrect.stderr index e849ca2829e..e849ca2829e 100644 --- a/tests/ui-fulldeps/internal-lints/diagnostics_incorrect.stderr +++ b/tests/ui/internal-lints/diagnostics_incorrect.stderr diff --git a/tests/ui-fulldeps/internal-lints/existing_doc_keyword.rs b/tests/ui/internal-lints/existing_doc_keyword.rs index 7783dc40fcf..7783dc40fcf 100644 --- a/tests/ui-fulldeps/internal-lints/existing_doc_keyword.rs +++ b/tests/ui/internal-lints/existing_doc_keyword.rs diff --git a/tests/ui-fulldeps/internal-lints/existing_doc_keyword.stderr b/tests/ui/internal-lints/existing_doc_keyword.stderr index 5110b9be08a..5110b9be08a 100644 --- a/tests/ui-fulldeps/internal-lints/existing_doc_keyword.stderr +++ b/tests/ui/internal-lints/existing_doc_keyword.stderr diff --git a/tests/ui-fulldeps/internal-lints/query_stability_incorrect.rs b/tests/ui/internal-lints/query_stability_incorrect.rs index f478b73329e..f478b73329e 100644 --- a/tests/ui-fulldeps/internal-lints/query_stability_incorrect.rs +++ b/tests/ui/internal-lints/query_stability_incorrect.rs diff --git a/tests/ui-fulldeps/internal-lints/query_stability_incorrect.stderr b/tests/ui/internal-lints/query_stability_incorrect.stderr index 3f78b39edd9..3f78b39edd9 100644 --- a/tests/ui-fulldeps/internal-lints/query_stability_incorrect.stderr +++ b/tests/ui/internal-lints/query_stability_incorrect.stderr diff --git a/tests/ui-fulldeps/internal-lints/rustc_pass_by_value_self.rs b/tests/ui/internal-lints/rustc_pass_by_value_self.rs index 6ce67dcaf1d..6ce67dcaf1d 100644 --- a/tests/ui-fulldeps/internal-lints/rustc_pass_by_value_self.rs +++ b/tests/ui/internal-lints/rustc_pass_by_value_self.rs diff --git a/tests/ui-fulldeps/internal-lints/rustc_pass_by_value_self.stderr b/tests/ui/internal-lints/rustc_pass_by_value_self.stderr index fb39ed60b82..fb39ed60b82 100644 --- a/tests/ui-fulldeps/internal-lints/rustc_pass_by_value_self.stderr +++ b/tests/ui/internal-lints/rustc_pass_by_value_self.stderr diff --git a/tests/ui/internal/internal-unstable-const.stderr b/tests/ui/internal/internal-unstable-const.stderr index 37d2ea6d2dc..5c63992d819 100644 --- a/tests/ui/internal/internal-unstable-const.stderr +++ b/tests/ui/internal/internal-unstable-const.stderr @@ -6,11 +6,13 @@ LL | 1.0 + 1.0 | help: if it is not part of the public API, make this function unstably const | -LL | #[rustc_const_unstable(feature = "...", issue = "...")] +LL + #[rustc_const_unstable(feature = "...", issue = "...")] +LL | pub const fn foo() -> f32 { | help: otherwise `#[rustc_allow_const_fn_unstable]` can be used to bypass stability checks | -LL | #[rustc_allow_const_fn_unstable(const_fn_floating_point_arithmetic)] +LL + #[rustc_allow_const_fn_unstable(const_fn_floating_point_arithmetic)] +LL | pub const fn foo() -> f32 { | error: aborting due to previous error diff --git a/tests/ui-fulldeps/issue-11881.rs b/tests/ui/issue-11881.rs index f6360db9b5f..f6360db9b5f 100644 --- a/tests/ui-fulldeps/issue-11881.rs +++ b/tests/ui/issue-11881.rs diff --git a/tests/ui-fulldeps/issue-13560.rs b/tests/ui/issue-13560.rs index 5f7d647e230..3397202bef2 100644 --- a/tests/ui-fulldeps/issue-13560.rs +++ b/tests/ui/issue-13560.rs @@ -1,4 +1,5 @@ // run-pass +// ignore-cross-compile (needs dylibs and compiletest doesn't have a more specific header) // aux-build:issue-13560-1.rs // aux-build:issue-13560-2.rs // aux-build:issue-13560-3.rs diff --git a/tests/ui-fulldeps/issue-15924.rs b/tests/ui/issue-15924.rs index d8b3914d0d4..d8b3914d0d4 100644 --- a/tests/ui-fulldeps/issue-15924.rs +++ b/tests/ui/issue-15924.rs diff --git a/tests/ui-fulldeps/issue-16822.rs b/tests/ui/issue-16822.rs index c611c33affd..c611c33affd 100644 --- a/tests/ui-fulldeps/issue-16822.rs +++ b/tests/ui/issue-16822.rs diff --git a/tests/ui-fulldeps/issue-18502.rs b/tests/ui/issue-18502.rs index 2082ae7a991..2082ae7a991 100644 --- a/tests/ui-fulldeps/issue-18502.rs +++ b/tests/ui/issue-18502.rs diff --git a/tests/ui-fulldeps/issue-24106.rs b/tests/ui/issue-24106.rs index 45f0bd5b679..45f0bd5b679 100644 --- a/tests/ui-fulldeps/issue-24106.rs +++ b/tests/ui/issue-24106.rs diff --git a/tests/ui-fulldeps/issue-2804.rs b/tests/ui/issue-2804.rs index 571028c5e40..571028c5e40 100644 --- a/tests/ui-fulldeps/issue-2804.rs +++ b/tests/ui/issue-2804.rs diff --git a/tests/ui/issues/issue-10465.stderr b/tests/ui/issues/issue-10465.stderr index 0ccf69dc060..1b7b9d5909e 100644 --- a/tests/ui/issues/issue-10465.stderr +++ b/tests/ui/issues/issue-10465.stderr @@ -7,7 +7,7 @@ LL | b.foo(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use a::A; +LL + use a::A; | error: aborting due to previous error diff --git a/tests/ui/issues/issue-12511.stderr b/tests/ui/issues/issue-12511.stderr index 789a1141c04..558aad10946 100644 --- a/tests/ui/issues/issue-12511.stderr +++ b/tests/ui/issues/issue-12511.stderr @@ -1,20 +1,10 @@ error[E0391]: cycle detected when computing the super predicates of `T1` - --> $DIR/issue-12511.rs:1:1 - | -LL | trait T1 : T2 { - | ^^^^^^^^^^^^^ - | -note: ...which requires computing the super traits of `T1`... --> $DIR/issue-12511.rs:1:12 | LL | trait T1 : T2 { | ^^ -note: ...which requires computing the super predicates of `T2`... - --> $DIR/issue-12511.rs:5:1 | -LL | trait T2 : T1 { - | ^^^^^^^^^^^^^ -note: ...which requires computing the super traits of `T2`... +note: ...which requires computing the super predicates of `T2`... --> $DIR/issue-12511.rs:5:12 | LL | trait T2 : T1 { diff --git a/tests/ui/issues/issue-17546.stderr b/tests/ui/issues/issue-17546.stderr index 81592320a27..cf7ed1bbd66 100644 --- a/tests/ui/issues/issue-17546.stderr +++ b/tests/ui/issues/issue-17546.stderr @@ -24,13 +24,13 @@ LL | fn new() -> Result<foo::MyEnum, String> { | help: consider importing one of these items instead | -LL | use std::fmt::Result; +LL + use std::fmt::Result; | -LL | use std::io::Result; +LL + use std::io::Result; | -LL | use std::result::Result; +LL + use std::result::Result; | -LL | use std::thread::Result; +LL + use std::thread::Result; | error[E0573]: expected type, found variant `Result` @@ -41,13 +41,13 @@ LL | fn new() -> Result<foo::MyEnum, String> { | help: consider importing one of these items instead | -LL | use std::fmt::Result; +LL + use std::fmt::Result; | -LL | use std::io::Result; +LL + use std::io::Result; | -LL | use std::result::Result; +LL + use std::result::Result; | -LL | use std::thread::Result; +LL + use std::thread::Result; | error[E0573]: expected type, found variant `NoResult` diff --git a/tests/ui/issues/issue-20162.stderr b/tests/ui/issues/issue-20162.stderr index 1c5b76fbfc1..ebdf2528fe1 100644 --- a/tests/ui/issues/issue-20162.stderr +++ b/tests/ui/issues/issue-20162.stderr @@ -8,7 +8,8 @@ note: required by a bound in `slice::<impl [T]>::sort` --> $SRC_DIR/alloc/src/slice.rs:LL:COL help: consider annotating `X` with `#[derive(Ord)]` | -LL | #[derive(Ord)] +LL + #[derive(Ord)] +LL | struct X { x: i32 } | error: aborting due to previous error diff --git a/tests/ui/issues/issue-20772.stderr b/tests/ui/issues/issue-20772.stderr index 22b9f5bd4cb..416fd8c062f 100644 --- a/tests/ui/issues/issue-20772.stderr +++ b/tests/ui/issues/issue-20772.stderr @@ -5,7 +5,7 @@ LL | trait T : Iterator<Item=Self::Item> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: ...which immediately requires computing the super traits of `T` with associated type name `Item` again -note: cycle used when computing the super traits of `T` +note: cycle used when computing the super predicates of `T` --> $DIR/issue-20772.rs:1:1 | LL | trait T : Iterator<Item=Self::Item> diff --git a/tests/ui/issues/issue-21160.stderr b/tests/ui/issues/issue-21160.stderr index 266749376eb..b39a3aad371 100644 --- a/tests/ui/issues/issue-21160.stderr +++ b/tests/ui/issues/issue-21160.stderr @@ -9,7 +9,8 @@ LL | struct Foo(Bar); = note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Bar` with `#[derive(Hash)]` | -LL | #[derive(Hash)] +LL + #[derive(Hash)] +LL | struct Bar; | error: aborting due to previous error diff --git a/tests/ui/issues/issue-35976.unimported.stderr b/tests/ui/issues/issue-35976.unimported.stderr index 5d61bb8ea37..b31d2a31551 100644 --- a/tests/ui/issues/issue-35976.unimported.stderr +++ b/tests/ui/issues/issue-35976.unimported.stderr @@ -9,7 +9,7 @@ LL | arg.wait(); | help: another candidate was found in the following trait, perhaps add a `use` for it: | -LL | use private::Future; +LL + use private::Future; | error: aborting due to previous error diff --git a/tests/ui/issues/issue-37534.stderr b/tests/ui/issues/issue-37534.stderr index 895479986f1..7d3dd8800bd 100644 --- a/tests/ui/issues/issue-37534.stderr +++ b/tests/ui/issues/issue-37534.stderr @@ -6,7 +6,7 @@ LL | struct Foo<T: ?Hash> { } | help: consider importing this trait instead | -LL | use std::hash::Hash; +LL + use std::hash::Hash; | warning: default bound relaxed for a type parameter, but this does nothing because the given bound is not a default; only `?Sized` is supported diff --git a/tests/ui/issues/issue-39175.stderr b/tests/ui/issues/issue-39175.stderr index afceae82e68..3a1476ac0e3 100644 --- a/tests/ui/issues/issue-39175.stderr +++ b/tests/ui/issues/issue-39175.stderr @@ -7,7 +7,7 @@ LL | Command::new("echo").arg("hello").exec(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use std::os::unix::process::CommandExt; +LL + use std::os::unix::process::CommandExt; | error: aborting due to previous error diff --git a/tests/ui/issues/issue-49298.rs b/tests/ui/issues/issue-49298.rs index e3ffa8e7c6e..6e58fa12ca7 100644 --- a/tests/ui/issues/issue-49298.rs +++ b/tests/ui/issues/issue-49298.rs @@ -6,7 +6,7 @@ // where #54986 is implemented and #54987 is *not* implemented. For // now: just ignore it // -// ignore-test +// ignore-test (#54987) // This test is checking that the space allocated for `x.1` does not // overlap with `y`. (The reason why such a thing happened at one diff --git a/tests/ui/issues/issue-56175.stderr b/tests/ui/issues/issue-56175.stderr index 013a440ed04..1ddee1f4895 100644 --- a/tests/ui/issues/issue-56175.stderr +++ b/tests/ui/issues/issue-56175.stderr @@ -12,7 +12,7 @@ LL | fn trait_method(&self) { = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use reexported_trait::Trait; +LL + use reexported_trait::Trait; | error[E0599]: no method named `trait_method_b` found for struct `FooStruct` in the current scope @@ -29,7 +29,7 @@ LL | fn trait_method_b(&self) { = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use reexported_trait::TraitBRename; +LL + use reexported_trait::TraitBRename; | error: aborting due to 2 previous errors diff --git a/tests/ui/issues/issue-59756.rs b/tests/ui/issues/issue-59756.rs index d6df0592be3..3742f31abad 100644 --- a/tests/ui/issues/issue-59756.rs +++ b/tests/ui/issues/issue-59756.rs @@ -1,5 +1,5 @@ // run-rustfix -// ignore-test +// ignore-test (rustfix needs multiple suggestions) // // FIXME: Re-enable this test once we support choosing // between multiple mutually exclusive suggestions for the same span diff --git a/tests/ui/issues/issue-62375.stderr b/tests/ui/issues/issue-62375.stderr index 478e025bed2..a6fd3700edd 100644 --- a/tests/ui/issues/issue-62375.stderr +++ b/tests/ui/issues/issue-62375.stderr @@ -13,7 +13,8 @@ LL | enum A { | ^^^^^^ must implement `PartialEq<_>` help: consider annotating `A` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | enum A { | error: aborting due to previous error diff --git a/tests/ui/issues/issue-77919.stderr b/tests/ui/issues/issue-77919.stderr index d154bfe0cb5..d6dcc8997b9 100644 --- a/tests/ui/issues/issue-77919.stderr +++ b/tests/ui/issues/issue-77919.stderr @@ -6,7 +6,7 @@ LL | _n: PhantomData, | help: consider importing this struct | -LL | use std::marker::PhantomData; +LL + use std::marker::PhantomData; | error[E0412]: cannot find type `VAL` in this scope diff --git a/tests/ui/kindck/kindck-impl-type-params.stderr b/tests/ui/kindck/kindck-impl-type-params.stderr index 6fd1fc3f7a1..efb25bf83e1 100644 --- a/tests/ui/kindck/kindck-impl-type-params.stderr +++ b/tests/ui/kindck/kindck-impl-type-params.stderr @@ -107,7 +107,8 @@ LL | impl<T: Send + Copy + 'static> Gettable<T> for S<T> {} = note: required for the cast from `S<Foo>` to the object type `dyn Gettable<Foo>` help: consider annotating `Foo` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct Foo; // does not impl Copy | error: aborting due to 6 previous errors diff --git a/tests/ui/layout/issue-84108.stderr b/tests/ui/layout/issue-84108.stderr index 36be6424110..5ad450bed07 100644 --- a/tests/ui/layout/issue-84108.stderr +++ b/tests/ui/layout/issue-84108.stderr @@ -6,7 +6,7 @@ LL | static FOO: (dyn AsRef<OsStr>, u8) = ("hello", 42); | help: consider importing this struct | -LL | use std::ffi::OsStr; +LL + use std::ffi::OsStr; | error[E0412]: cannot find type `Path` in this scope @@ -17,7 +17,7 @@ LL | const BAR: (&Path, [u8], usize) = ("hello", [], 42); | help: consider importing this struct | -LL | use std::path::Path; +LL + use std::path::Path; | error[E0277]: the size for values of type `[u8]` cannot be known at compilation time diff --git a/tests/ui/lexer/issue-108019-bad-emoji-recovery.rs b/tests/ui/lexer/issue-108019-bad-emoji-recovery.rs deleted file mode 100644 index f0f86224560..00000000000 --- a/tests/ui/lexer/issue-108019-bad-emoji-recovery.rs +++ /dev/null @@ -1,45 +0,0 @@ -#![allow(unused_labels)] - -// FIXME(#108019): outdated Unicode table -// fn foo() { -// '🥺 loop { -// break -// } -// } - -fn bar() { - '🐱 loop { - //~^ ERROR labeled expression must be followed by `:` - //~| ERROR lifetimes or labels cannot contain emojis - break - } -} - -fn qux() { - 'a🐱 loop { - //~^ ERROR labeled expression must be followed by `:` - //~| ERROR lifetimes or labels cannot contain emojis - break - } -} - -fn quux() { - '1🐱 loop { - //~^ ERROR labeled expression must be followed by `:` - //~| ERROR lifetimes or labels cannot start with a number - break - } -} - -fn x<'🐱>() -> &'🐱 () { - //~^ ERROR lifetimes or labels cannot contain emojis - //~| ERROR lifetimes or labels cannot contain emojis - &() -} - -fn y() { - 'a🐱: loop {} - //~^ ERROR lifetimes or labels cannot contain emojis -} - -fn main() {} diff --git a/tests/ui/lexer/issue-108019-bad-emoji-recovery.stderr b/tests/ui/lexer/issue-108019-bad-emoji-recovery.stderr deleted file mode 100644 index be77ffdea34..00000000000 --- a/tests/ui/lexer/issue-108019-bad-emoji-recovery.stderr +++ /dev/null @@ -1,86 +0,0 @@ -error: labeled expression must be followed by `:` - --> $DIR/issue-108019-bad-emoji-recovery.rs:11:5 - | -LL | '🐱 loop { - | ^--- help: add `:` after the label - | | - | _____the label - | | -LL | | -LL | | -LL | | break -LL | | } - | |_____^ - | - = note: labels are used before loops and blocks, allowing e.g., `break 'label` to them - -error: labeled expression must be followed by `:` - --> $DIR/issue-108019-bad-emoji-recovery.rs:19:5 - | -LL | 'a🐱 loop { - | ^---- help: add `:` after the label - | | - | _____the label - | | -LL | | -LL | | -LL | | break -LL | | } - | |_____^ - | - = note: labels are used before loops and blocks, allowing e.g., `break 'label` to them - -error: labeled expression must be followed by `:` - --> $DIR/issue-108019-bad-emoji-recovery.rs:27:5 - | -LL | '1🐱 loop { - | ^---- help: add `:` after the label - | | - | _____the label - | | -LL | | -LL | | -LL | | break -LL | | } - | |_____^ - | - = note: labels are used before loops and blocks, allowing e.g., `break 'label` to them - -error: lifetimes or labels cannot contain emojis - --> $DIR/issue-108019-bad-emoji-recovery.rs:11:5 - | -LL | '🐱 loop { - | ^^^ - -error: lifetimes or labels cannot contain emojis - --> $DIR/issue-108019-bad-emoji-recovery.rs:19:5 - | -LL | 'a🐱 loop { - | ^^^^ - -error: lifetimes or labels cannot start with a number - --> $DIR/issue-108019-bad-emoji-recovery.rs:27:5 - | -LL | '1🐱 loop { - | ^^^^ - -error: lifetimes or labels cannot contain emojis - --> $DIR/issue-108019-bad-emoji-recovery.rs:34:6 - | -LL | fn x<'🐱>() -> &'🐱 () { - | ^^^ - -error: lifetimes or labels cannot contain emojis - --> $DIR/issue-108019-bad-emoji-recovery.rs:34:16 - | -LL | fn x<'🐱>() -> &'🐱 () { - | ^^^ - -error: lifetimes or labels cannot contain emojis - --> $DIR/issue-108019-bad-emoji-recovery.rs:41:5 - | -LL | 'a🐱: loop {} - | ^^^^ - -error: aborting due to 9 previous errors - diff --git a/tests/ui/lifetimes/issue-105675.rs b/tests/ui/lifetimes/issue-105675.rs new file mode 100644 index 00000000000..58d8be8b65f --- /dev/null +++ b/tests/ui/lifetimes/issue-105675.rs @@ -0,0 +1,14 @@ +fn thing(x: impl FnOnce(&u32, &u32, u32)) {} + +fn main() { + let f = | _ , y: &u32 , z | (); + thing(f); + //~^ ERROR mismatched types + //~^^ ERROR mismatched types + let f = | x, y: _ , z: u32 | (); + thing(f); + //~^ ERROR mismatched types + //~^^ ERROR mismatched types + //~^^^ ERROR implementation of `FnOnce` is not general enough + //~^^^^ ERROR implementation of `FnOnce` is not general enough +} diff --git a/tests/ui/lifetimes/issue-105675.stderr b/tests/ui/lifetimes/issue-105675.stderr new file mode 100644 index 00000000000..66415f72bcb --- /dev/null +++ b/tests/ui/lifetimes/issue-105675.stderr @@ -0,0 +1,109 @@ +error[E0308]: mismatched types + --> $DIR/issue-105675.rs:5:5 + | +LL | thing(f); + | ^^^^^^^^ one type is more general than the other + | + = note: expected trait `for<'a, 'b> FnOnce<(&'a u32, &'b u32, u32)>` + found trait `for<'a> FnOnce<(&u32, &'a u32, u32)>` +note: this closure does not fulfill the lifetime requirements + --> $DIR/issue-105675.rs:4:13 + | +LL | let f = | _ , y: &u32 , z | (); + | ^^^^^^^^^^^^^^^^^^^ +note: the lifetime requirement is introduced here + --> $DIR/issue-105675.rs:1:18 + | +LL | fn thing(x: impl FnOnce(&u32, &u32, u32)) {} + | ^^^^^^^^^^^^^^^^^^^^^^^ +help: consider specifying the type of the closure parameters + | +LL | let f = |_: &_, y: &u32, z| (); + | ~~~~~~~~~~~~~~~~~~~ + +error[E0308]: mismatched types + --> $DIR/issue-105675.rs:5:5 + | +LL | thing(f); + | ^^^^^^^^ one type is more general than the other + | + = note: expected trait `for<'a, 'b> FnOnce<(&'a u32, &'b u32, u32)>` + found trait `for<'a> FnOnce<(&u32, &'a u32, u32)>` +note: this closure does not fulfill the lifetime requirements + --> $DIR/issue-105675.rs:4:13 + | +LL | let f = | _ , y: &u32 , z | (); + | ^^^^^^^^^^^^^^^^^^^ +note: the lifetime requirement is introduced here + --> $DIR/issue-105675.rs:1:18 + | +LL | fn thing(x: impl FnOnce(&u32, &u32, u32)) {} + | ^^^^^^^^^^^^^^^^^^^^^^^ + +error[E0308]: mismatched types + --> $DIR/issue-105675.rs:9:5 + | +LL | thing(f); + | ^^^^^^^^ one type is more general than the other + | + = note: expected trait `for<'a, 'b> FnOnce<(&'a u32, &'b u32, u32)>` + found trait `FnOnce<(&u32, &u32, u32)>` +note: this closure does not fulfill the lifetime requirements + --> $DIR/issue-105675.rs:8:13 + | +LL | let f = | x, y: _ , z: u32 | (); + | ^^^^^^^^^^^^^^^^^^^^^ +note: the lifetime requirement is introduced here + --> $DIR/issue-105675.rs:1:18 + | +LL | fn thing(x: impl FnOnce(&u32, &u32, u32)) {} + | ^^^^^^^^^^^^^^^^^^^^^^^ +help: consider specifying the type of the closure parameters + | +LL | let f = |x: &_, y: &_, z: u32| (); + | ~~~~~~~~~~~~~~~~~~~~~~ + +error[E0308]: mismatched types + --> $DIR/issue-105675.rs:9:5 + | +LL | thing(f); + | ^^^^^^^^ one type is more general than the other + | + = note: expected trait `for<'a, 'b> FnOnce<(&'a u32, &'b u32, u32)>` + found trait `FnOnce<(&u32, &u32, u32)>` +note: this closure does not fulfill the lifetime requirements + --> $DIR/issue-105675.rs:8:13 + | +LL | let f = | x, y: _ , z: u32 | (); + | ^^^^^^^^^^^^^^^^^^^^^ +note: the lifetime requirement is introduced here + --> $DIR/issue-105675.rs:1:18 + | +LL | fn thing(x: impl FnOnce(&u32, &u32, u32)) {} + | ^^^^^^^^^^^^^^^^^^^^^^^ +help: consider specifying the type of the closure parameters + | +LL | let f = |x: &_, y: &_, z: u32| (); + | ~~~~~~~~~~~~~~~~~~~~~~ + +error: implementation of `FnOnce` is not general enough + --> $DIR/issue-105675.rs:9:5 + | +LL | thing(f); + | ^^^^^^^^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&'2 u32, &u32, u32)` must implement `FnOnce<(&'1 u32, &u32, u32)>`, for any lifetime `'1`... + = note: ...but it actually implements `FnOnce<(&'2 u32, &u32, u32)>`, for some specific lifetime `'2` + +error: implementation of `FnOnce` is not general enough + --> $DIR/issue-105675.rs:9:5 + | +LL | thing(f); + | ^^^^^^^^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&u32, &'2 u32, u32)` must implement `FnOnce<(&u32, &'1 u32, u32)>`, for any lifetime `'1`... + = note: ...but it actually implements `FnOnce<(&u32, &'2 u32, u32)>`, for some specific lifetime `'2` + +error: aborting due to 6 previous errors + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/lifetimes/issue-79187-2.stderr b/tests/ui/lifetimes/issue-79187-2.stderr index c5f654b37bf..75fd87b3fe9 100644 --- a/tests/ui/lifetimes/issue-79187-2.stderr +++ b/tests/ui/lifetimes/issue-79187-2.stderr @@ -43,6 +43,10 @@ note: the lifetime requirement is introduced here | LL | fn take_foo(_: impl Foo) {} | ^^^ +help: consider specifying the type of the closure parameters + | +LL | take_foo(|a: &_| a); + | ~~~~~~~ error[E0308]: mismatched types --> $DIR/issue-79187-2.rs:11:5 diff --git a/tests/ui/lifetimes/issue-79187.stderr b/tests/ui/lifetimes/issue-79187.stderr index ee6e7b89d5f..209f2b7b739 100644 --- a/tests/ui/lifetimes/issue-79187.stderr +++ b/tests/ui/lifetimes/issue-79187.stderr @@ -16,6 +16,10 @@ note: the lifetime requirement is introduced here | LL | fn thing(x: impl FnOnce(&u32)) {} | ^^^^^^^^^^^^ +help: consider specifying the type of the closure parameters + | +LL | let f = |_: &_| (); + | ~~~~~~~ error: implementation of `FnOnce` is not general enough --> $DIR/issue-79187.rs:5:5 diff --git a/tests/ui/limits/issue-55878.stderr b/tests/ui/limits/issue-55878.stderr index 99f1fdf755a..510b36edd8f 100644 --- a/tests/ui/limits/issue-55878.stderr +++ b/tests/ui/limits/issue-55878.stderr @@ -25,14 +25,6 @@ LL | println!("Size: {}", std::mem::size_of::<[u8; u64::MAX as usize]>()); | = note: this note originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) -note: erroneous constant used - --> $DIR/issue-55878.rs:7:26 - | -LL | println!("Size: {}", std::mem::size_of::<[u8; u64::MAX as usize]>()); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - | - = note: this note originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) - error: aborting due to previous error For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/lint/dead-code/closure-bang.rs b/tests/ui/lint/dead-code/closure-bang.rs index 8e8636b1180..bca131a15d3 100644 --- a/tests/ui/lint/dead-code/closure-bang.rs +++ b/tests/ui/lint/dead-code/closure-bang.rs @@ -1,9 +1,7 @@ -// ignore-test FIXME(#20574) - #![deny(unreachable_code)] fn main() { - let x = || panic!(); + let x = || -> ! { panic!() }; x(); println!("Foo bar"); //~ ERROR: unreachable statement } diff --git a/tests/ui/lint/dead-code/closure-bang.stderr b/tests/ui/lint/dead-code/closure-bang.stderr new file mode 100644 index 00000000000..119ce11e34a --- /dev/null +++ b/tests/ui/lint/dead-code/closure-bang.stderr @@ -0,0 +1,17 @@ +error: unreachable statement + --> $DIR/closure-bang.rs:6:5 + | +LL | x(); + | --- any code following this expression is unreachable +LL | println!("Foo bar"); + | ^^^^^^^^^^^^^^^^^^^ unreachable statement + | +note: the lint level is defined here + --> $DIR/closure-bang.rs:1:9 + | +LL | #![deny(unreachable_code)] + | ^^^^^^^^^^^^^^^^ + = note: this error originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) + +error: aborting due to previous error + diff --git a/tests/ui/lint/dead-code/issue-59003.rs b/tests/ui/lint/dead-code/issue-59003.rs new file mode 100644 index 00000000000..966d6412870 --- /dev/null +++ b/tests/ui/lint/dead-code/issue-59003.rs @@ -0,0 +1,18 @@ +// check-pass + +// Make sure we don't have any false positives about the "struct is never constructed" lint. + +#![deny(dead_code)] + +struct Foo { + #[allow(dead_code)] + inner: u32, +} + +impl From<u32> for Foo { + fn from(inner: u32) -> Self { + Self { inner } + } +} + +fn main() {} diff --git a/tests/ui/lint/dead-code/issue-85255.rs b/tests/ui/lint/dead-code/issue-85255.rs index 1978bd4e824..d75a8e2dd41 100644 --- a/tests/ui/lint/dead-code/issue-85255.rs +++ b/tests/ui/lint/dead-code/issue-85255.rs @@ -11,8 +11,8 @@ struct Foo { struct Bar; impl Bar { - fn a(&self) -> i32 { 5 } //~ WARNING: method `a` is never used - pub fn b(&self) -> i32 { 6 } //~ WARNING: method `b` is never used + fn a(&self) -> i32 { 5 } //~ WARNING: methods `a` and `b` are never used [dead_code] + pub fn b(&self) -> i32 { 6 } } pub(crate) struct Foo1 { @@ -23,8 +23,8 @@ pub(crate) struct Foo1 { pub(crate) struct Bar1; impl Bar1 { - fn a(&self) -> i32 { 5 } //~ WARNING: method `a` is never used - pub fn b(&self) -> i32 { 6 } //~ WARNING: method `b` is never used + fn a(&self) -> i32 { 5 } //~ WARNING: methods `a` and `b` are never used [dead_code] + pub fn b(&self) -> i32 { 6 } } pub(crate) struct Foo2 { @@ -35,8 +35,8 @@ pub(crate) struct Foo2 { pub(crate) struct Bar2; impl Bar2 { - fn a(&self) -> i32 { 5 } //~ WARNING: method `a` is never used - pub fn b(&self) -> i32 { 6 } //~ WARNING: method `b` is never used + fn a(&self) -> i32 { 5 } //~ WARNING: methods `a` and `b` are never used [dead_code] + pub fn b(&self) -> i32 { 6 } } diff --git a/tests/ui/lint/dead-code/issue-85255.stderr b/tests/ui/lint/dead-code/issue-85255.stderr index 58a19cf3c99..d981085a4fa 100644 --- a/tests/ui/lint/dead-code/issue-85255.stderr +++ b/tests/ui/lint/dead-code/issue-85255.stderr @@ -14,6 +14,16 @@ note: the lint level is defined here LL | #![warn(dead_code)] | ^^^^^^^^^ +warning: methods `a` and `b` are never used + --> $DIR/issue-85255.rs:14:8 + | +LL | impl Bar { + | -------- methods in this implementation +LL | fn a(&self) -> i32 { 5 } + | ^ +LL | pub fn b(&self) -> i32 { 6 } + | ^ + warning: fields `a` and `b` are never read --> $DIR/issue-85255.rs:19:5 | @@ -24,6 +34,16 @@ LL | a: i32, LL | pub b: i32, | ^ +warning: methods `a` and `b` are never used + --> $DIR/issue-85255.rs:26:8 + | +LL | impl Bar1 { + | --------- methods in this implementation +LL | fn a(&self) -> i32 { 5 } + | ^ +LL | pub fn b(&self) -> i32 { 6 } + | ^ + warning: fields `a` and `b` are never read --> $DIR/issue-85255.rs:31:5 | @@ -34,41 +54,15 @@ LL | a: i32, LL | pub b: i32, | ^ -warning: method `a` is never used - --> $DIR/issue-85255.rs:14:8 - | -LL | fn a(&self) -> i32 { 5 } - | ^ - -warning: method `b` is never used - --> $DIR/issue-85255.rs:15:12 - | -LL | pub fn b(&self) -> i32 { 6 } - | ^ - -warning: method `a` is never used - --> $DIR/issue-85255.rs:26:8 - | -LL | fn a(&self) -> i32 { 5 } - | ^ - -warning: method `b` is never used - --> $DIR/issue-85255.rs:27:12 - | -LL | pub fn b(&self) -> i32 { 6 } - | ^ - -warning: method `a` is never used +warning: methods `a` and `b` are never used --> $DIR/issue-85255.rs:38:8 | +LL | impl Bar2 { + | --------- methods in this implementation LL | fn a(&self) -> i32 { 5 } | ^ - -warning: method `b` is never used - --> $DIR/issue-85255.rs:39:12 - | LL | pub fn b(&self) -> i32 { 6 } | ^ -warning: 9 warnings emitted +warning: 6 warnings emitted diff --git a/tests/ui/lint/dead-code/lint-dead-code-3.stderr b/tests/ui/lint/dead-code/lint-dead-code-3.stderr index 797b7559c01..5c68cf0e18b 100644 --- a/tests/ui/lint/dead-code/lint-dead-code-3.stderr +++ b/tests/ui/lint/dead-code/lint-dead-code-3.stderr @@ -10,6 +10,14 @@ note: the lint level is defined here LL | #![deny(dead_code)] | ^^^^^^^^^ +error: method `foo` is never used + --> $DIR/lint-dead-code-3.rs:16:8 + | +LL | impl Foo { + | -------- method in this implementation +LL | fn foo(&self) { + | ^^^ + error: function `bar` is never used --> $DIR/lint-dead-code-3.rs:21:4 | @@ -34,12 +42,6 @@ error: function `blah` is never used LL | fn blah() {} | ^^^^ -error: method `foo` is never used - --> $DIR/lint-dead-code-3.rs:16:8 - | -LL | fn foo(&self) { - | ^^^ - error: function `free` is never used --> $DIR/lint-dead-code-3.rs:62:8 | diff --git a/tests/ui/lint/dead-code/lint-dead-code-6.rs b/tests/ui/lint/dead-code/lint-dead-code-6.rs index e3074acf129..5b2b76b76ec 100644 --- a/tests/ui/lint/dead-code/lint-dead-code-6.rs +++ b/tests/ui/lint/dead-code/lint-dead-code-6.rs @@ -2,17 +2,16 @@ struct UnusedStruct; //~ ERROR struct `UnusedStruct` is never constructed impl UnusedStruct { - fn unused_impl_fn_1() { //~ ERROR associated function `unused_impl_fn_1` is never used + fn unused_impl_fn_1() { + //~^ ERROR associated functions `unused_impl_fn_1`, `unused_impl_fn_2`, and `unused_impl_fn_3` are never used [dead_code] println!("blah"); } - fn unused_impl_fn_2(var: i32) { //~ ERROR associated function `unused_impl_fn_2` is never used + fn unused_impl_fn_2(var: i32) { println!("foo {}", var); } - fn unused_impl_fn_3( //~ ERROR associated function `unused_impl_fn_3` is never used - var: i32, - ) { + fn unused_impl_fn_3(var: i32) { println!("bar {}", var); } } diff --git a/tests/ui/lint/dead-code/lint-dead-code-6.stderr b/tests/ui/lint/dead-code/lint-dead-code-6.stderr index f9d83308a3d..ce41100866a 100644 --- a/tests/ui/lint/dead-code/lint-dead-code-6.stderr +++ b/tests/ui/lint/dead-code/lint-dead-code-6.stderr @@ -10,23 +10,19 @@ note: the lint level is defined here LL | #![deny(dead_code)] | ^^^^^^^^^ -error: associated function `unused_impl_fn_1` is never used +error: associated functions `unused_impl_fn_1`, `unused_impl_fn_2`, and `unused_impl_fn_3` are never used --> $DIR/lint-dead-code-6.rs:5:8 | +LL | impl UnusedStruct { + | ----------------- associated functions in this implementation LL | fn unused_impl_fn_1() { | ^^^^^^^^^^^^^^^^ - -error: associated function `unused_impl_fn_2` is never used - --> $DIR/lint-dead-code-6.rs:9:8 - | +... LL | fn unused_impl_fn_2(var: i32) { | ^^^^^^^^^^^^^^^^ - -error: associated function `unused_impl_fn_3` is never used - --> $DIR/lint-dead-code-6.rs:13:8 - | -LL | fn unused_impl_fn_3( +... +LL | fn unused_impl_fn_3(var: i32) { | ^^^^^^^^^^^^^^^^ -error: aborting due to 4 previous errors +error: aborting due to 2 previous errors diff --git a/tests/ui/lint/dead-code/unused-assoc-fns.rs b/tests/ui/lint/dead-code/unused-assoc-fns.rs new file mode 100644 index 00000000000..b111f4b9463 --- /dev/null +++ b/tests/ui/lint/dead-code/unused-assoc-fns.rs @@ -0,0 +1,35 @@ +#![feature(inherent_associated_types)] +#![allow(incomplete_features)] +#![deny(unused)] + +struct Foo; + +impl Foo { + fn one() {} + //~^ ERROR associated items `one`, `two`, `CONSTANT`, `Type`, and `three` are never used [dead_code] + + fn two(&self) {} + + // seperation between items + // ... + // ... + + fn used() {} + + const CONSTANT: usize = 5; + + // more seperation + // ... + // ... + + type Type = usize; + + fn three(&self) { + Foo::one(); + // ... + } +} + +fn main() { + Foo::used(); +} diff --git a/tests/ui/lint/dead-code/unused-assoc-fns.stderr b/tests/ui/lint/dead-code/unused-assoc-fns.stderr new file mode 100644 index 00000000000..6344a70ea3a --- /dev/null +++ b/tests/ui/lint/dead-code/unused-assoc-fns.stderr @@ -0,0 +1,29 @@ +error: associated items `one`, `two`, `CONSTANT`, `Type`, and `three` are never used + --> $DIR/unused-assoc-fns.rs:8:8 + | +LL | impl Foo { + | -------- associated items in this implementation +LL | fn one() {} + | ^^^ +... +LL | fn two(&self) {} + | ^^^ +... +LL | const CONSTANT: usize = 5; + | ^^^^^^^^ +... +LL | type Type = usize; + | ^^^^ +LL | +LL | fn three(&self) { + | ^^^^^ + | +note: the lint level is defined here + --> $DIR/unused-assoc-fns.rs:3:9 + | +LL | #![deny(unused)] + | ^^^^^^ + = note: `#[deny(dead_code)]` implied by `#[deny(unused)]` + +error: aborting due to previous error + diff --git a/tests/ui/lint/inline-trait-and-foreign-items.rs b/tests/ui/lint/inline-trait-and-foreign-items.rs index 13dab7ed954..39bc01f71b5 100644 --- a/tests/ui/lint/inline-trait-and-foreign-items.rs +++ b/tests/ui/lint/inline-trait-and-foreign-items.rs @@ -1,5 +1,5 @@ #![feature(extern_types)] -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] #![warn(unused_attributes)] diff --git a/tests/ui/lint/no-coverage.rs b/tests/ui/lint/no-coverage.rs index ff24c12b2bc..07906a43472 100644 --- a/tests/ui/lint/no-coverage.rs +++ b/tests/ui/lint/no-coverage.rs @@ -1,6 +1,6 @@ #![feature(extern_types)] #![feature(no_coverage)] -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] #![warn(unused_attributes)] #![no_coverage] //~^ WARN: `#[no_coverage]` does not propagate into items and must be applied to the contained functions directly diff --git a/tests/ui/lint/unused/issue-54538-unused-parens-lint.fixed b/tests/ui/lint/unused/issue-54538-unused-parens-lint.fixed index 71ebaea8ed2..9c52ca5577e 100644 --- a/tests/ui/lint/unused/issue-54538-unused-parens-lint.fixed +++ b/tests/ui/lint/unused/issue-54538-unused-parens-lint.fixed @@ -21,17 +21,32 @@ fn lint_on_top_level() { let _ = |a: u8| 0; //~ ERROR unnecessary parentheses around pattern } -fn _no_lint_attr() { +fn no_lint_attr() { let _x = #[allow(dead_code)] (1 + 2); } -fn _no_lint_yeet() -> Result<(), ()> { +fn no_lint_yeet() -> Result<(), ()> { #[allow(unreachable_code)] if (do yeet) {} Ok(()) } +fn no_lint_ops() { + #![allow(unreachable_code, irrefutable_let_patterns)] + if ((..{}) == ..{}) {} + if (!return) {} + loop { match (() = () = () = break {}) {} } + while let () = (*&mut false |= true && return) {} +} + +fn lint_break_if_not_followed_by_block() { + #![allow(unreachable_code)] + loop { if break {} } //~ ERROR unnecessary parentheses + loop { if break ({ println!("hello") }) {} } //~ ERROR unnecessary parentheses + loop { if (break { println!("hello") }) {} } +} + // Don't lint in these cases (#64106). fn or_patterns_no_lint() { match Box::new(0) { diff --git a/tests/ui/lint/unused/issue-54538-unused-parens-lint.rs b/tests/ui/lint/unused/issue-54538-unused-parens-lint.rs index 28b662dd024..196ecf0c1bb 100644 --- a/tests/ui/lint/unused/issue-54538-unused-parens-lint.rs +++ b/tests/ui/lint/unused/issue-54538-unused-parens-lint.rs @@ -21,17 +21,32 @@ fn lint_on_top_level() { let _ = |(a): u8| 0; //~ ERROR unnecessary parentheses around pattern } -fn _no_lint_attr() { +fn no_lint_attr() { let _x = #[allow(dead_code)] (1 + 2); } -fn _no_lint_yeet() -> Result<(), ()> { +fn no_lint_yeet() -> Result<(), ()> { #[allow(unreachable_code)] if (do yeet) {} Ok(()) } +fn no_lint_ops() { + #![allow(unreachable_code, irrefutable_let_patterns)] + if ((..{}) == ..{}) {} + if (!return) {} + loop { match (() = () = () = break {}) {} } + while let () = (*&mut false |= true && return) {} +} + +fn lint_break_if_not_followed_by_block() { + #![allow(unreachable_code)] + loop { if (break) {} } //~ ERROR unnecessary parentheses + loop { if (break ({ println!("hello") })) {} } //~ ERROR unnecessary parentheses + loop { if (break { println!("hello") }) {} } +} + // Don't lint in these cases (#64106). fn or_patterns_no_lint() { match Box::new(0) { diff --git a/tests/ui/lint/unused/issue-54538-unused-parens-lint.stderr b/tests/ui/lint/unused/issue-54538-unused-parens-lint.stderr index a5e69e6d938..f916bba8194 100644 --- a/tests/ui/lint/unused/issue-54538-unused-parens-lint.stderr +++ b/tests/ui/lint/unused/issue-54538-unused-parens-lint.stderr @@ -75,8 +75,32 @@ LL - let _ = |(a): u8| 0; LL + let _ = |a: u8| 0; | +error: unnecessary parentheses around `if` condition + --> $DIR/issue-54538-unused-parens-lint.rs:45:15 + | +LL | loop { if (break) {} } + | ^ ^ + | +help: remove these parentheses + | +LL - loop { if (break) {} } +LL + loop { if break {} } + | + +error: unnecessary parentheses around `if` condition + --> $DIR/issue-54538-unused-parens-lint.rs:46:15 + | +LL | loop { if (break ({ println!("hello") })) {} } + | ^ ^ + | +help: remove these parentheses + | +LL - loop { if (break ({ println!("hello") })) {} } +LL + loop { if break ({ println!("hello") }) {} } + | + error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:56:12 + --> $DIR/issue-54538-unused-parens-lint.rs:71:12 | LL | if let (0 | 1) = 0 {} | ^ ^ @@ -88,7 +112,7 @@ LL + if let 0 | 1 = 0 {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:57:13 + --> $DIR/issue-54538-unused-parens-lint.rs:72:13 | LL | if let ((0 | 1),) = (0,) {} | ^ ^ @@ -100,7 +124,7 @@ LL + if let (0 | 1,) = (0,) {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:58:13 + --> $DIR/issue-54538-unused-parens-lint.rs:73:13 | LL | if let [(0 | 1)] = [0] {} | ^ ^ @@ -112,7 +136,7 @@ LL + if let [0 | 1] = [0] {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:59:16 + --> $DIR/issue-54538-unused-parens-lint.rs:74:16 | LL | if let 0 | (1 | 2) = 0 {} | ^ ^ @@ -124,7 +148,7 @@ LL + if let 0 | 1 | 2 = 0 {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:61:15 + --> $DIR/issue-54538-unused-parens-lint.rs:76:15 | LL | if let TS((0 | 1)) = TS(0) {} | ^ ^ @@ -136,7 +160,7 @@ LL + if let TS(0 | 1) = TS(0) {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:63:20 + --> $DIR/issue-54538-unused-parens-lint.rs:78:20 | LL | if let NS { f: (0 | 1) } = (NS { f: 0 }) {} | ^ ^ @@ -148,7 +172,7 @@ LL + if let NS { f: 0 | 1 } = (NS { f: 0 }) {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:73:9 + --> $DIR/issue-54538-unused-parens-lint.rs:88:9 | LL | (_) => {} | ^ ^ @@ -160,7 +184,7 @@ LL + _ => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:74:9 + --> $DIR/issue-54538-unused-parens-lint.rs:89:9 | LL | (y) => {} | ^ ^ @@ -172,7 +196,7 @@ LL + y => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:75:9 + --> $DIR/issue-54538-unused-parens-lint.rs:90:9 | LL | (ref r) => {} | ^ ^ @@ -184,7 +208,7 @@ LL + ref r => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:76:9 + --> $DIR/issue-54538-unused-parens-lint.rs:91:9 | LL | (e @ 1...2) => {} | ^ ^ @@ -196,7 +220,7 @@ LL + e @ 1...2 => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:82:9 + --> $DIR/issue-54538-unused-parens-lint.rs:97:9 | LL | (e @ &(1...2)) => {} | ^ ^ @@ -208,7 +232,7 @@ LL + e @ &(1...2) => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:83:10 + --> $DIR/issue-54538-unused-parens-lint.rs:98:10 | LL | &(_) => {} | ^ ^ @@ -220,7 +244,7 @@ LL + &_ => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:94:9 + --> $DIR/issue-54538-unused-parens-lint.rs:109:9 | LL | (_) => {} | ^ ^ @@ -232,7 +256,7 @@ LL + _ => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:95:9 + --> $DIR/issue-54538-unused-parens-lint.rs:110:9 | LL | (y) => {} | ^ ^ @@ -244,7 +268,7 @@ LL + y => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:96:9 + --> $DIR/issue-54538-unused-parens-lint.rs:111:9 | LL | (ref r) => {} | ^ ^ @@ -256,7 +280,7 @@ LL + ref r => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:97:9 + --> $DIR/issue-54538-unused-parens-lint.rs:112:9 | LL | (e @ 1..=2) => {} | ^ ^ @@ -268,7 +292,7 @@ LL + e @ 1..=2 => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:103:9 + --> $DIR/issue-54538-unused-parens-lint.rs:118:9 | LL | (e @ &(1..=2)) => {} | ^ ^ @@ -280,7 +304,7 @@ LL + e @ &(1..=2) => {} | error: unnecessary parentheses around pattern - --> $DIR/issue-54538-unused-parens-lint.rs:104:10 + --> $DIR/issue-54538-unused-parens-lint.rs:119:10 | LL | &(_) => {} | ^ ^ @@ -291,5 +315,5 @@ LL - &(_) => {} LL + &_ => {} | -error: aborting due to 24 previous errors +error: aborting due to 26 previous errors diff --git a/tests/ui/lint/unused/trait-alias-supertrait.rs b/tests/ui/lint/unused/trait-alias-supertrait.rs new file mode 100644 index 00000000000..46f00c06bf1 --- /dev/null +++ b/tests/ui/lint/unused/trait-alias-supertrait.rs @@ -0,0 +1,15 @@ +// check-pass + +// Make sure that we only consider *Self* supertrait predicates +// in the `unused_must_use` lint. + +#![feature(trait_alias)] +#![deny(unused_must_use)] + +trait Foo<T> = Sized where T: Iterator; + +fn test<T: Iterator>() -> impl Foo<T> {} + +fn main() { + test::<std::iter::Once<()>>(); +} diff --git a/tests/ui/macros/issue-100199.stderr b/tests/ui/macros/issue-100199.stderr index 2cb45dc1247..89a6f585ce4 100644 --- a/tests/ui/macros/issue-100199.stderr +++ b/tests/ui/macros/issue-100199.stderr @@ -7,7 +7,7 @@ LL | #[issue_100199::struct_with_bound] = note: this error originates in the attribute macro `issue_100199::struct_with_bound` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider importing this trait | -LL | use traits::MyTrait; +LL + use traits::MyTrait; | error: aborting due to previous error diff --git a/tests/ui/macros/macro-expanded-include/foo/mod.rs b/tests/ui/macros/macro-expanded-include/foo/mod.rs index cff110470f2..2e4c4c7f8a9 100644 --- a/tests/ui/macros/macro-expanded-include/foo/mod.rs +++ b/tests/ui/macros/macro-expanded-include/foo/mod.rs @@ -1,4 +1,4 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) macro_rules! m { () => { include!("file.txt"); } diff --git a/tests/ui/macros/macro-outer-attributes.stderr b/tests/ui/macros/macro-outer-attributes.stderr index 4ea760ab82b..0bdc3416f80 100644 --- a/tests/ui/macros/macro-outer-attributes.stderr +++ b/tests/ui/macros/macro-outer-attributes.stderr @@ -6,7 +6,7 @@ LL | a::bar(); | help: consider importing this function | -LL | use b::bar; +LL + use b::bar; | help: if you import `bar`, refer to it directly | diff --git a/tests/ui/macros/nonterminal-matching.stderr b/tests/ui/macros/nonterminal-matching.stderr index 762ecc3207f..c2b047022ed 100644 --- a/tests/ui/macros/nonterminal-matching.stderr +++ b/tests/ui/macros/nonterminal-matching.stderr @@ -18,7 +18,9 @@ LL | macro n(a $nt_item b) { ... LL | complex_nonterminal!(enum E {}); | ------------------------------- in this macro invocation - = note: captured metavariables except for `$tt`, `$ident` and `$lifetime` cannot be compared to other tokens + = note: captured metavariables except for `:tt`, `:ident` and `:lifetime` cannot be compared to other tokens + = note: see <https://doc.rust-lang.org/nightly/reference/macros-by-example.html#forwarding-a-matched-fragment> for more information + = help: try using `:tt` instead in the macro definition = note: this error originates in the macro `complex_nonterminal` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to previous error diff --git a/tests/ui/malformed/malformed-derive-entry.stderr b/tests/ui/malformed/malformed-derive-entry.stderr index 6ff6fbabb4a..3059d75d718 100644 --- a/tests/ui/malformed/malformed-derive-entry.stderr +++ b/tests/ui/malformed/malformed-derive-entry.stderr @@ -27,7 +27,8 @@ note: required by a bound in `Copy` = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Test1` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct Test1; | error[E0277]: the trait bound `Test2: Clone` is not satisfied @@ -41,7 +42,8 @@ note: required by a bound in `Copy` = note: this error originates in the derive macro `Copy` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Test2` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct Test2; | error: aborting due to 5 previous errors diff --git a/tests/ui/match/issue-26996.rs b/tests/ui/match/issue-26996.rs index 84037b72a27..9ea4545268b 100644 --- a/tests/ui/match/issue-26996.rs +++ b/tests/ui/match/issue-26996.rs @@ -4,7 +4,7 @@ // where #54986 is implemented and #54987 is *not* implemented. For // now: just ignore it // -// ignore-test +// ignore-test (#54987) // This test is checking that the write to `c.0` (which has been moved out of) // won't overwrite the state in `c2`. diff --git a/tests/ui/match/issue-27021.rs b/tests/ui/match/issue-27021.rs index ef3b114a5fa..9630e9a0327 100644 --- a/tests/ui/match/issue-27021.rs +++ b/tests/ui/match/issue-27021.rs @@ -4,7 +4,7 @@ // where #54986 is implemented and #54987 is *not* implemented. For // now: just ignore it // -// ignore-test +// ignore-test (#54987) // These are variants of issue-26996.rs. In all cases we are writing // into a record field that has been moved out of, and ensuring that diff --git a/tests/ui/methods/inherent-bound-in-probe.rs b/tests/ui/methods/inherent-bound-in-probe.rs new file mode 100644 index 00000000000..81a99ca010e --- /dev/null +++ b/tests/ui/methods/inherent-bound-in-probe.rs @@ -0,0 +1,49 @@ +// normalize-stderr-test: "long-type-\d+" -> "long-type-hash" + +// Fixes #110131 +// +// The issue is that we were constructing an `ImplDerived` cause code for the +// `&'a T: IntoIterator<Item = &'a u8>` obligation for `Helper::new`, which is +// incorrect because derived obligations are only expected to come from *traits*. + +struct SeqBuffer<'a, T> +where + &'a T: IntoIterator<Item = &'a u8>, +{ + iter: <&'a T as IntoIterator>::IntoIter, +} + +struct Helper<'a, T> +where + &'a T: IntoIterator<Item = &'a u8>, +{ + buf: SeqBuffer<'a, T>, +} + +impl<'a, T> Helper<'a, T> +where + &'a T: IntoIterator<Item = &'a u8>, +{ + fn new(sq: &'a T) -> Self { + loop {} + } +} + +struct BitReaderWrapper<T>(T); + +impl<'a, T> IntoIterator for &'a BitReaderWrapper<T> +where + &'a T: IntoIterator<Item = &'a u8>, +{ + type Item = u32; + + type IntoIter = Helper<'a, T>; + //~^ ERROR `Helper<'a, T>` is not an iterator + + fn into_iter(self) -> Self::IntoIter { + Helper::new(&self.0) + //~^ ERROR overflow evaluating the requirement `&_: IntoIterator` + } +} + +fn main() {} diff --git a/tests/ui/methods/inherent-bound-in-probe.stderr b/tests/ui/methods/inherent-bound-in-probe.stderr new file mode 100644 index 00000000000..ff03a7edb05 --- /dev/null +++ b/tests/ui/methods/inherent-bound-in-probe.stderr @@ -0,0 +1,38 @@ +error[E0277]: `Helper<'a, T>` is not an iterator + --> $DIR/inherent-bound-in-probe.rs:40:21 + | +LL | type IntoIter = Helper<'a, T>; + | ^^^^^^^^^^^^^ `Helper<'a, T>` is not an iterator + | + = help: the trait `Iterator` is not implemented for `Helper<'a, T>` +note: required by a bound in `std::iter::IntoIterator::IntoIter` + --> $SRC_DIR/core/src/iter/traits/collect.rs:LL:COL + +error[E0275]: overflow evaluating the requirement `&_: IntoIterator` + --> $DIR/inherent-bound-in-probe.rs:44:17 + | +LL | Helper::new(&self.0) + | ^^^ + | + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`inherent_bound_in_probe`) +note: required for `&BitReaderWrapper<_>` to implement `IntoIterator` + --> $DIR/inherent-bound-in-probe.rs:34:13 + | +LL | impl<'a, T> IntoIterator for &'a BitReaderWrapper<T> + | ^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ +LL | where +LL | &'a T: IntoIterator<Item = &'a u8>, + | ------------- unsatisfied trait bound introduced here + = note: 126 redundant requirements hidden + = note: required for `&BitReaderWrapper<BitReaderWrapper<BitReaderWrapper<BitReaderWrapper<BitReaderWrapper<...>>>>>` to implement `IntoIterator` + = note: the full type name has been written to '$TEST_BUILD_DIR/methods/inherent-bound-in-probe/inherent-bound-in-probe.long-type-hash.txt' +note: required by a bound in `Helper<'a, T>` + --> $DIR/inherent-bound-in-probe.rs:25:25 + | +LL | &'a T: IntoIterator<Item = &'a u8>, + | ^^^^^^^^^^^^^ required by this bound in `Helper<'a, T>` + +error: aborting due to 2 previous errors + +Some errors have detailed explanations: E0275, E0277. +For more information about an error, try `rustc --explain E0275`. diff --git a/tests/ui/mir/checks_without_panic_impl.rs b/tests/ui/mir/checks_without_panic_impl.rs new file mode 100644 index 00000000000..04f410b77a3 --- /dev/null +++ b/tests/ui/mir/checks_without_panic_impl.rs @@ -0,0 +1,17 @@ +// Ensures that the alignment check we insert for raw pointer dereferences +// does not prevent crates without a panic_impl from compiling. +// See rust-lang/rust#109996 + +// build-pass +// compile-flags: -Cdebug-assertions=yes + +#![crate_type = "lib"] + +#![feature(lang_items)] +#![feature(no_core)] +#![no_core] + +#[lang = "sized"] +trait Foo {} + +pub unsafe fn foo(x: *const i32) -> &'static i32 { unsafe { &*x } } diff --git a/tests/ui/mir/validate/transmute_cast_sized.rs b/tests/ui/mir/validate/transmute_cast_sized.rs new file mode 100644 index 00000000000..eaaf7eb3ecd --- /dev/null +++ b/tests/ui/mir/validate/transmute_cast_sized.rs @@ -0,0 +1,17 @@ +// build-pass +// compile-flags: -Zvalidate-mir +// edition: 2021 + +#![crate_type = "lib"] + +// Use `PhantomData` to get target-independent size +async fn get(_r: std::marker::PhantomData<&i32>) { + loop {} +} + +pub fn check() { + let mut v = get(loop {}); + let _ = || unsafe { + v = std::mem::transmute([0_u8; 1]); + }; +} diff --git a/tests/ui/mismatched_types/closure-mismatch.rs b/tests/ui/mismatched_types/closure-mismatch.rs index b0644e79611..4eb33497c39 100644 --- a/tests/ui/mismatched_types/closure-mismatch.rs +++ b/tests/ui/mismatched_types/closure-mismatch.rs @@ -8,4 +8,7 @@ fn main() { baz(|_| ()); //~^ ERROR implementation of `FnOnce` is not general enough //~| ERROR mismatched types + baz(|x| ()); + //~^ ERROR implementation of `FnOnce` is not general enough + //~| ERROR mismatched types } diff --git a/tests/ui/mismatched_types/closure-mismatch.stderr b/tests/ui/mismatched_types/closure-mismatch.stderr index a7ef8fa0892..c5b8270ba84 100644 --- a/tests/ui/mismatched_types/closure-mismatch.stderr +++ b/tests/ui/mismatched_types/closure-mismatch.stderr @@ -25,7 +25,43 @@ note: the lifetime requirement is introduced here | LL | fn baz<T: Foo>(_: T) {} | ^^^ +help: consider specifying the type of the closure parameters + | +LL | baz(|_: &_| ()); + | ~~~~~~~ + +error: implementation of `FnOnce` is not general enough + --> $DIR/closure-mismatch.rs:11:5 + | +LL | baz(|x| ()); + | ^^^^^^^^^^^ implementation of `FnOnce` is not general enough + | + = note: closure with signature `fn(&'2 ())` must implement `FnOnce<(&'1 (),)>`, for any lifetime `'1`... + = note: ...but it actually implements `FnOnce<(&'2 (),)>`, for some specific lifetime `'2` + +error[E0308]: mismatched types + --> $DIR/closure-mismatch.rs:11:5 + | +LL | baz(|x| ()); + | ^^^^^^^^^^^ one type is more general than the other + | + = note: expected trait `for<'a> Fn<(&'a (),)>` + found trait `Fn<(&(),)>` +note: this closure does not fulfill the lifetime requirements + --> $DIR/closure-mismatch.rs:11:9 + | +LL | baz(|x| ()); + | ^^^ +note: the lifetime requirement is introduced here + --> $DIR/closure-mismatch.rs:5:11 + | +LL | fn baz<T: Foo>(_: T) {} + | ^^^ +help: consider specifying the type of the closure parameters + | +LL | baz(|x: &_| ()); + | ~~~~~~~ -error: aborting due to 2 previous errors +error: aborting due to 4 previous errors For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/mismatched_types/method-help-unsatisfied-bound.stderr b/tests/ui/mismatched_types/method-help-unsatisfied-bound.stderr index d3b7525072f..9dab3e52255 100644 --- a/tests/ui/mismatched_types/method-help-unsatisfied-bound.stderr +++ b/tests/ui/mismatched_types/method-help-unsatisfied-bound.stderr @@ -10,7 +10,8 @@ note: required by a bound in `Result::<T, E>::unwrap` --> $SRC_DIR/core/src/result.rs:LL:COL help: consider annotating `Foo` with `#[derive(Debug)]` | -LL | #[derive(Debug)] +LL + #[derive(Debug)] +LL | struct Foo; | error: aborting due to previous error diff --git a/tests/ui/modules/issue-107649.stderr b/tests/ui/modules/issue-107649.stderr index 1cea71f2829..38a910b57b4 100644 --- a/tests/ui/modules/issue-107649.stderr +++ b/tests/ui/modules/issue-107649.stderr @@ -10,7 +10,8 @@ error[E0277]: `Dummy` doesn't implement `Debug` help: consider annotating `Dummy` with `#[derive(Debug)]` --> $DIR/auxiliary/dummy_lib.rs:2:1 | -2 | #[derive(Debug)] +2 + #[derive(Debug)] +3 | #[path = "auxiliary/dummy_lib.rs"] | error: aborting due to previous error diff --git a/tests/ui-fulldeps/myriad-closures.rs b/tests/ui/myriad-closures.rs index 310351f50cb..310351f50cb 100644 --- a/tests/ui-fulldeps/myriad-closures.rs +++ b/tests/ui/myriad-closures.rs diff --git a/tests/ui/namespace/namespace-mix.stderr b/tests/ui/namespace/namespace-mix.stderr index cb72d4a1c42..3ac5e96c574 100644 --- a/tests/ui/namespace/namespace-mix.stderr +++ b/tests/ui/namespace/namespace-mix.stderr @@ -14,9 +14,9 @@ LL | check(m1::TS); | ~~ help: consider importing one of these items instead | -LL | use m2::S; +LL + use m2::S; | -LL | use xm2::S; +LL + use xm2::S; | help: if you import `S`, refer to it directly | @@ -42,9 +42,9 @@ LL | check(xm1::TS); | ~~ help: consider importing one of these items instead | -LL | use m2::S; +LL + use m2::S; | -LL | use xm2::S; +LL + use xm2::S; | help: if you import `S`, refer to it directly | @@ -68,9 +68,9 @@ LL | check(m7::TV); | ~~ help: consider importing one of these items instead | -LL | use m8::V; +LL + use m8::V; | -LL | use xm8::V; +LL + use xm8::V; | help: if you import `V`, refer to it directly | @@ -96,9 +96,9 @@ LL | check(xm7::TV); | ~~ help: consider importing one of these items instead | -LL | use m8::V; +LL + use m8::V; | -LL | use xm8::V; +LL + use xm8::V; | help: if you import `V`, refer to it directly | diff --git a/tests/ui/nll/issue-78561.rs b/tests/ui/nll/issue-78561.rs index 55147fcd1bd..1a2a3ca56c8 100644 --- a/tests/ui/nll/issue-78561.rs +++ b/tests/ui/nll/issue-78561.rs @@ -1,5 +1,5 @@ // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait Trait { type A; diff --git a/tests/ui/not-clone-closure.stderr b/tests/ui/not-clone-closure.stderr index 37d94cf0ebd..db9307c6185 100644 --- a/tests/ui/not-clone-closure.stderr +++ b/tests/ui/not-clone-closure.stderr @@ -14,7 +14,8 @@ LL | let hello = move || { | ^^^^^^^ help: consider annotating `S` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct S(i32); | error: aborting due to previous error diff --git a/tests/ui/numbers-arithmetic/saturating-float-casts-impl.rs b/tests/ui/numbers-arithmetic/saturating-float-casts-impl.rs index 4c6929d6627..088b2fcdd14 100644 --- a/tests/ui/numbers-arithmetic/saturating-float-casts-impl.rs +++ b/tests/ui/numbers-arithmetic/saturating-float-casts-impl.rs @@ -1,4 +1,4 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) // Tests saturating float->int casts. See u128-as-f32.rs for the opposite direction. // diff --git a/tests/ui/on-unimplemented/no-debug.stderr b/tests/ui/on-unimplemented/no-debug.stderr index 1035da54d8a..97d67dbd82e 100644 --- a/tests/ui/on-unimplemented/no-debug.stderr +++ b/tests/ui/on-unimplemented/no-debug.stderr @@ -9,7 +9,8 @@ LL | println!("{:?} {:?}", Foo, Bar); = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Foo` with `#[derive(Debug)]` | -LL | #[derive(Debug)] +LL + #[derive(Debug)] +LL | struct Foo; | error[E0277]: `Bar` doesn't implement `Debug` diff --git a/tests/ui/panics/panic-short-backtrace-windows-x86_64.rs b/tests/ui/panics/panic-short-backtrace-windows-x86_64.rs index 39ffe86dd49..be83eb74843 100644 --- a/tests/ui/panics/panic-short-backtrace-windows-x86_64.rs +++ b/tests/ui/panics/panic-short-backtrace-windows-x86_64.rs @@ -1,6 +1,6 @@ // This test has been spuriously failing a lot recently (#92000). // Ignore it until the underlying issue is fixed. -// ignore-test +// ignore-test (#92000) // Regression test for #87481: short backtrace formatting cut off the entire stack trace. diff --git a/tests/ui/parser/circular_modules_main.stderr b/tests/ui/parser/circular_modules_main.stderr index 1094def6014..2de70789358 100644 --- a/tests/ui/parser/circular_modules_main.stderr +++ b/tests/ui/parser/circular_modules_main.stderr @@ -12,7 +12,7 @@ LL | println!("{}", circular_modules_main::hi_str()); | help: consider importing this function | -LL | use hi_str; +LL + use hi_str; | help: if you import `hi_str`, refer to it directly | diff --git a/tests/ui/parser/numeric-lifetime.rs b/tests/ui/parser/numeric-lifetime.rs index a082a8a44df..2d82354c62c 100644 --- a/tests/ui/parser/numeric-lifetime.rs +++ b/tests/ui/parser/numeric-lifetime.rs @@ -1,6 +1,6 @@ struct S<'1> { s: &'1 usize } -//~^ ERROR lifetimes or labels cannot start with a number -//~| ERROR lifetimes or labels cannot start with a number +//~^ ERROR lifetimes cannot start with a number +//~| ERROR lifetimes cannot start with a number fn main() { // verify that the parse error doesn't stop type checking let x: usize = ""; diff --git a/tests/ui/parser/numeric-lifetime.stderr b/tests/ui/parser/numeric-lifetime.stderr index 66e35dca923..7c1bcb72631 100644 --- a/tests/ui/parser/numeric-lifetime.stderr +++ b/tests/ui/parser/numeric-lifetime.stderr @@ -6,13 +6,13 @@ LL | let x: usize = ""; | | | expected due to this -error: lifetimes or labels cannot start with a number +error: lifetimes cannot start with a number --> $DIR/numeric-lifetime.rs:1:10 | LL | struct S<'1> { s: &'1 usize } | ^^ -error: lifetimes or labels cannot start with a number +error: lifetimes cannot start with a number --> $DIR/numeric-lifetime.rs:1:20 | LL | struct S<'1> { s: &'1 usize } diff --git a/tests/ui/privacy/privacy-ns1.stderr b/tests/ui/privacy/privacy-ns1.stderr index 91bc84e70ac..9710cc48637 100644 --- a/tests/ui/privacy/privacy-ns1.stderr +++ b/tests/ui/privacy/privacy-ns1.stderr @@ -13,7 +13,7 @@ LL | Baz(); | ~~~ help: consider importing this function instead | -LL | use foo2::Bar; +LL + use foo2::Bar; | error[E0425]: cannot find function, tuple struct or tuple variant `Bar` in this scope @@ -31,7 +31,7 @@ LL | Baz(); | ~~~ help: consider importing this function | -LL | use foo2::Bar; +LL + use foo2::Bar; | error[E0412]: cannot find type `Bar` in this scope @@ -49,7 +49,7 @@ LL | let _x: Box<Baz>; | ~~~ help: consider importing this trait | -LL | use foo1::Bar; +LL + use foo1::Bar; | error[E0747]: constant provided when a type was expected diff --git a/tests/ui/privacy/privacy-ns2.stderr b/tests/ui/privacy/privacy-ns2.stderr index 904e9013f94..75e735e1e6a 100644 --- a/tests/ui/privacy/privacy-ns2.stderr +++ b/tests/ui/privacy/privacy-ns2.stderr @@ -6,7 +6,7 @@ LL | Bar(); | help: consider importing this function instead | -LL | use foo2::Bar; +LL + use foo2::Bar; | error[E0423]: expected function, tuple struct or tuple variant, found trait `Bar` @@ -24,7 +24,7 @@ LL | Baz(); | ~~~ help: consider importing this function instead | -LL | use foo2::Bar; +LL + use foo2::Bar; | error[E0573]: expected type, found function `Bar` @@ -39,7 +39,7 @@ LL | let _x = Bar(); | ~ help: consider importing this trait instead | -LL | use foo1::Bar; +LL + use foo1::Bar; | error[E0603]: trait `Bar` is private diff --git a/tests/ui/privacy/private-in-public-assoc-ty.rs b/tests/ui/privacy/private-in-public-assoc-ty.rs index fba72c13170..d4d379bdb73 100644 --- a/tests/ui/privacy/private-in-public-assoc-ty.rs +++ b/tests/ui/privacy/private-in-public-assoc-ty.rs @@ -2,7 +2,7 @@ // This test also ensures that the checks are performed even inside private modules. #![feature(associated_type_defaults)] -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] mod m { struct Priv; diff --git a/tests/ui/privacy/private-in-public-type-alias-impl-trait.rs b/tests/ui/privacy/private-in-public-type-alias-impl-trait.rs index c7df31529bc..fe6ed46734c 100644 --- a/tests/ui/privacy/private-in-public-type-alias-impl-trait.rs +++ b/tests/ui/privacy/private-in-public-type-alias-impl-trait.rs @@ -1,5 +1,5 @@ // build-pass (FIXME(62277): could be check-pass?) - +#![feature(impl_trait_in_assoc_type)] #![feature(type_alias_impl_trait)] #![deny(private_in_public)] diff --git a/tests/ui/proc-macro/amputate-span.stderr b/tests/ui/proc-macro/amputate-span.stderr index ab467041144..aa797339be4 100644 --- a/tests/ui/proc-macro/amputate-span.stderr +++ b/tests/ui/proc-macro/amputate-span.stderr @@ -6,7 +6,7 @@ LL | Command::new("git"); | help: consider importing this struct | -LL | use std::process::Command; +LL + use std::process::Command; | error[E0433]: failed to resolve: use of undeclared type `Command` @@ -17,7 +17,7 @@ LL | Command::new("git"); | help: consider importing this struct | -LL | use std::process::Command; +LL + use std::process::Command; | error: aborting due to 2 previous errors diff --git a/tests/ui/proc-macro/attributes-on-modules-fail.stderr b/tests/ui/proc-macro/attributes-on-modules-fail.stderr index bb6cbb6984d..97521f23aee 100644 --- a/tests/ui/proc-macro/attributes-on-modules-fail.stderr +++ b/tests/ui/proc-macro/attributes-on-modules-fail.stderr @@ -50,7 +50,7 @@ LL | type A = Y; | help: consider importing this struct | -LL | use Y; +LL + use Y; | error[E0412]: cannot find type `X` in this scope @@ -61,7 +61,7 @@ LL | type A = X; | help: consider importing this struct | -LL | use m::X; +LL + use m::X; | error: aborting due to 7 previous errors diff --git a/tests/ui/proc-macro/derive-bad.rs b/tests/ui/proc-macro/derive-bad.rs index cb5188b5fb4..92d35f5371a 100644 --- a/tests/ui/proc-macro/derive-bad.rs +++ b/tests/ui/proc-macro/derive-bad.rs @@ -4,7 +4,7 @@ extern crate derive_bad; #[derive(A)] -//~^ ERROR proc-macro derive produced unparseable tokens +//~^ ERROR proc-macro derive produced unparsable tokens //~| ERROR expected `:`, found `}` struct A; //~ ERROR the name `A` is defined multiple times diff --git a/tests/ui/proc-macro/derive-bad.stderr b/tests/ui/proc-macro/derive-bad.stderr index 241f99b28c2..43e97f40ba8 100644 --- a/tests/ui/proc-macro/derive-bad.stderr +++ b/tests/ui/proc-macro/derive-bad.stderr @@ -9,7 +9,7 @@ LL | #[derive(A)] | = note: this error originates in the derive macro `A` (in Nightly builds, run with -Z macro-backtrace for more info) -error: proc-macro derive produced unparseable tokens +error: proc-macro derive produced unparsable tokens --> $DIR/derive-bad.rs:6:10 | LL | #[derive(A)] diff --git a/tests/ui/proc-macro/issue-91800.rs b/tests/ui/proc-macro/issue-91800.rs index 0c1281de4f8..f48c8bf72d7 100644 --- a/tests/ui/proc-macro/issue-91800.rs +++ b/tests/ui/proc-macro/issue-91800.rs @@ -5,7 +5,7 @@ extern crate issue_91800_macro; #[derive(MyTrait)] //~^ ERROR macros that expand to items must be delimited with braces or followed by a semicolon -//~| ERROR proc-macro derive produced unparseable tokens +//~| ERROR proc-macro derive produced unparsable tokens #[attribute_macro] //~^ ERROR macros that expand to items must be delimited with braces or followed by a semicolon struct MyStruct; diff --git a/tests/ui/proc-macro/issue-91800.stderr b/tests/ui/proc-macro/issue-91800.stderr index 9c356263a36..d831d62e919 100644 --- a/tests/ui/proc-macro/issue-91800.stderr +++ b/tests/ui/proc-macro/issue-91800.stderr @@ -6,7 +6,7 @@ LL | #[derive(MyTrait)] | = note: this error originates in the derive macro `MyTrait` (in Nightly builds, run with -Z macro-backtrace for more info) -error: proc-macro derive produced unparseable tokens +error: proc-macro derive produced unparsable tokens --> $DIR/issue-91800.rs:6:10 | LL | #[derive(MyTrait)] diff --git a/tests/ui/proc-macro/module.rs b/tests/ui/proc-macro/module.rs index 5777ed89983..a750083c607 100644 --- a/tests/ui/proc-macro/module.rs +++ b/tests/ui/proc-macro/module.rs @@ -1 +1 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) diff --git a/tests/ui/proc-macro/module_with_attrs.rs b/tests/ui/proc-macro/module_with_attrs.rs index 63e66a62ac3..0b2604f95b6 100644 --- a/tests/ui/proc-macro/module_with_attrs.rs +++ b/tests/ui/proc-macro/module_with_attrs.rs @@ -1,4 +1,4 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) #![rustfmt::skip] #![print_attr] diff --git a/tests/ui/proc-macro/outer/inner.rs b/tests/ui/proc-macro/outer/inner.rs index 5777ed89983..a750083c607 100644 --- a/tests/ui/proc-macro/outer/inner.rs +++ b/tests/ui/proc-macro/outer/inner.rs @@ -1 +1 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) diff --git a/tests/ui/proc-macro/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs b/tests/ui/proc-macro/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs index 9501980fa55..889f399a7f2 100644 --- a/tests/ui/proc-macro/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs +++ b/tests/ui/proc-macro/pretty-print-hack/allsorts-rental-0.5.6/src/lib.rs @@ -1,4 +1,4 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) #[derive(Print)] enum ProceduralMasqueradeDummyType { diff --git a/tests/ui/proc-macro/pretty-print-hack/rental-0.5.5/src/lib.rs b/tests/ui/proc-macro/pretty-print-hack/rental-0.5.5/src/lib.rs index 9501980fa55..889f399a7f2 100644 --- a/tests/ui/proc-macro/pretty-print-hack/rental-0.5.5/src/lib.rs +++ b/tests/ui/proc-macro/pretty-print-hack/rental-0.5.5/src/lib.rs @@ -1,4 +1,4 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) #[derive(Print)] enum ProceduralMasqueradeDummyType { diff --git a/tests/ui/proc-macro/pretty-print-hack/rental-0.5.6/src/lib.rs b/tests/ui/proc-macro/pretty-print-hack/rental-0.5.6/src/lib.rs index 9501980fa55..889f399a7f2 100644 --- a/tests/ui/proc-macro/pretty-print-hack/rental-0.5.6/src/lib.rs +++ b/tests/ui/proc-macro/pretty-print-hack/rental-0.5.6/src/lib.rs @@ -1,4 +1,4 @@ -// ignore-test +// ignore-test (auxiliary, used by other tests) #[derive(Print)] enum ProceduralMasqueradeDummyType { diff --git a/tests/ui/regions/issue-2718.rs b/tests/ui/regions/issue-2718.rs deleted file mode 100644 index 6449337eea4..00000000000 --- a/tests/ui/regions/issue-2718.rs +++ /dev/null @@ -1,327 +0,0 @@ -// run-pass -#![allow(dead_code)] -#![allow(unused_unsafe)] -#![allow(unused_imports)] -#![allow(non_camel_case_types)] - -pub type Task = isize; - -// tjc: I don't know why -pub mod pipes { - use self::state::{empty, full, blocked, terminated}; - use super::Task; - use std::mem::{forget, transmute}; - use std::mem::{replace, swap}; - use std::mem; - use std::thread; - use std::marker::Send; - - pub struct Stuff<T> { - state: state, - blocked_task: Option<Task>, - payload: Option<T> - } - - #[derive(PartialEq, Debug)] - #[repr(isize)] - pub enum state { - empty, - full, - blocked, - terminated - } - - pub struct packet<T> { - state: state, - blocked_task: Option<Task>, - payload: Option<T> - } - - unsafe impl<T:Send> Send for packet<T> {} - - pub fn packet<T:Send>() -> *const packet<T> { - unsafe { - let p: *const packet<T> = mem::transmute(Box::new(Stuff{ - state: empty, - blocked_task: None::<Task>, - payload: None::<T> - })); - p - } - } - - mod rusti { - pub fn atomic_xchg(_dst: &mut isize, _src: isize) -> isize { panic!(); } - pub fn atomic_xchg_acq(_dst: &mut isize, _src: isize) -> isize { panic!(); } - pub fn atomic_xchg_rel(_dst: &mut isize, _src: isize) -> isize { panic!(); } - } - - // We should consider moving this to ::std::unsafe, although I - // suspect graydon would want us to use void pointers instead. - pub unsafe fn uniquify<T>(x: *const T) -> Box<T> { - mem::transmute(x) - } - - pub fn swap_state_acq(dst: &mut state, src: state) -> state { - unsafe { - transmute(rusti::atomic_xchg_acq(transmute(dst), src as isize)) - } - } - - pub fn swap_state_rel(dst: &mut state, src: state) -> state { - unsafe { - transmute(rusti::atomic_xchg_rel(transmute(dst), src as isize)) - } - } - - pub fn send<T:Send>(mut p: send_packet<T>, payload: T) { - let p = p.unwrap(); - let mut p = unsafe { uniquify(p) }; - assert!((*p).payload.is_none()); - (*p).payload = Some(payload); - let old_state = swap_state_rel(&mut (*p).state, full); - match old_state { - empty => { - // Yay, fastpath. - - // The receiver will eventually clean this up. - unsafe { forget(p); } - } - full => { panic!("duplicate send") } - blocked => { - - // The receiver will eventually clean this up. - unsafe { forget(p); } - } - terminated => { - // The receiver will never receive this. Rely on drop_glue - // to clean everything up. - } - } - } - - pub fn recv<T:Send>(mut p: recv_packet<T>) -> Option<T> { - let p = p.unwrap(); - let mut p = unsafe { uniquify(p) }; - loop { - let old_state = swap_state_acq(&mut (*p).state, - blocked); - match old_state { - empty | blocked => { thread::yield_now(); } - full => { - let payload = replace(&mut p.payload, None); - return Some(payload.unwrap()) - } - terminated => { - assert_eq!(old_state, terminated); - return None; - } - } - } - } - - pub fn sender_terminate<T:Send>(p: *const packet<T>) { - let mut p = unsafe { uniquify(p) }; - match swap_state_rel(&mut (*p).state, terminated) { - empty | blocked => { - // The receiver will eventually clean up. - unsafe { forget(p) } - } - full => { - // This is impossible - panic!("you dun goofed") - } - terminated => { - // I have to clean up, use drop_glue - } - } - } - - pub fn receiver_terminate<T:Send>(p: *const packet<T>) { - let mut p = unsafe { uniquify(p) }; - match swap_state_rel(&mut (*p).state, terminated) { - empty => { - // the sender will clean up - unsafe { forget(p) } - } - blocked => { - // this shouldn't happen. - panic!("terminating a blocked packet") - } - terminated | full => { - // I have to clean up, use drop_glue - } - } - } - - pub struct send_packet<T:Send> { - p: Option<*const packet<T>>, - } - - impl<T:Send> Drop for send_packet<T> { - fn drop(&mut self) { - unsafe { - if self.p != None { - let self_p: &mut Option<*const packet<T>> = - mem::transmute(&mut self.p); - let p = replace(self_p, None); - sender_terminate(p.unwrap()) - } - } - } - } - - impl<T:Send> send_packet<T> { - pub fn unwrap(&mut self) -> *const packet<T> { - replace(&mut self.p, None).unwrap() - } - } - - pub fn send_packet<T:Send>(p: *const packet<T>) -> send_packet<T> { - send_packet { - p: Some(p) - } - } - - pub struct recv_packet<T:Send> { - p: Option<*const packet<T>>, - } - - impl<T:Send> Drop for recv_packet<T> { - fn drop(&mut self) { - unsafe { - if self.p != None { - let self_p: &mut Option<*const packet<T>> = - mem::transmute(&mut self.p); - let p = replace(self_p, None); - receiver_terminate(p.unwrap()) - } - } - } - } - - impl<T:Send> recv_packet<T> { - pub fn unwrap(&mut self) -> *const packet<T> { - replace(&mut self.p, None).unwrap() - } - } - - pub fn recv_packet<T:Send>(p: *const packet<T>) -> recv_packet<T> { - recv_packet { - p: Some(p) - } - } - - pub fn entangle<T:Send>() -> (send_packet<T>, recv_packet<T>) { - let p = packet(); - (send_packet(p), recv_packet(p)) - } -} - -pub mod pingpong { - use std::mem; - - pub struct ping(::pipes::send_packet<pong>); - - unsafe impl Send for ping {} - - pub struct pong(::pipes::send_packet<ping>); - - unsafe impl Send for pong {} - - pub fn liberate_ping(p: ping) -> ::pipes::send_packet<pong> { - unsafe { - let _addr : *const ::pipes::send_packet<pong> = match &p { - &ping(ref x) => { mem::transmute(x) } - }; - panic!() - } - } - - pub fn liberate_pong(p: pong) -> ::pipes::send_packet<ping> { - unsafe { - let _addr : *const ::pipes::send_packet<ping> = match &p { - &pong(ref x) => { mem::transmute(x) } - }; - panic!() - } - } - - pub fn init() -> (client::ping, server::ping) { - ::pipes::entangle() - } - - pub mod client { - use pingpong; - - pub type ping = ::pipes::send_packet<pingpong::ping>; - pub type pong = ::pipes::recv_packet<pingpong::pong>; - - pub fn do_ping(c: ping) -> pong { - let (sp, rp) = ::pipes::entangle(); - - ::pipes::send(c, pingpong::ping(sp)); - rp - } - - pub fn do_pong(c: pong) -> (ping, ()) { - let packet = ::pipes::recv(c); - if packet.is_none() { - panic!("sender closed the connection") - } - (pingpong::liberate_pong(packet.unwrap()), ()) - } - } - - pub mod server { - use pingpong; - - pub type ping = ::pipes::recv_packet<pingpong::ping>; - pub type pong = ::pipes::send_packet<pingpong::pong>; - - pub fn do_ping(c: ping) -> (pong, ()) { - let packet = ::pipes::recv(c); - if packet.is_none() { - panic!("sender closed the connection") - } - (pingpong::liberate_ping(packet.unwrap()), ()) - } - - pub fn do_pong(c: pong) -> ping { - let (sp, rp) = ::pipes::entangle(); - ::pipes::send(c, pingpong::pong(sp)); - rp - } - } -} - -fn client(chan: pingpong::client::ping) { - let chan = pingpong::client::do_ping(chan); - println!("Sent ping"); - let (_chan, _data) = pingpong::client::do_pong(chan); - println!("Received pong"); -} - -fn server(chan: pingpong::server::ping) { - let (chan, _data) = pingpong::server::do_ping(chan); - println!("Received ping"); - let _chan = pingpong::server::do_pong(chan); - println!("Sent pong"); -} - -pub fn main() { - /* -// Commented out because of option::get error - - let (client_, server_) = pingpong::init(); - - task::spawn {|client_| - let client__ = client_.take(); - client(client__); - }; - task::spawn {|server_| - let server__ = server_.take(); - server(server_ˊ); - }; - */ -} diff --git a/tests/ui/repeat-expr/repeat-to-run-dtor-twice.stderr b/tests/ui/repeat-expr/repeat-to-run-dtor-twice.stderr index 36b93616375..1bf8e6e062f 100644 --- a/tests/ui/repeat-expr/repeat-to-run-dtor-twice.stderr +++ b/tests/ui/repeat-expr/repeat-to-run-dtor-twice.stderr @@ -7,7 +7,8 @@ LL | let _ = [ a; 5 ]; = note: the `Copy` trait is required because this value will be copied for each element of the array help: consider annotating `Foo` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct Foo { | error: aborting due to previous error diff --git a/tests/ui/resolve/crate-in-paths.stderr b/tests/ui/resolve/crate-in-paths.stderr index b7cf4950759..07fb5dcc035 100644 --- a/tests/ui/resolve/crate-in-paths.stderr +++ b/tests/ui/resolve/crate-in-paths.stderr @@ -6,7 +6,7 @@ LL | Foo; | help: consider importing this unit struct | -LL | use crate::bar::Foo; +LL + use crate::bar::Foo; | error: aborting due to previous error diff --git a/tests/ui/resolve/enums-are-namespaced-xc.stderr b/tests/ui/resolve/enums-are-namespaced-xc.stderr index 6448e596d56..5af6cb04275 100644 --- a/tests/ui/resolve/enums-are-namespaced-xc.stderr +++ b/tests/ui/resolve/enums-are-namespaced-xc.stderr @@ -6,7 +6,7 @@ LL | let _ = namespaced_enums::A; | help: consider importing this unit variant | -LL | use namespaced_enums::Foo::A; +LL + use namespaced_enums::Foo::A; | help: if you import `A`, refer to it directly | @@ -22,7 +22,7 @@ LL | let _ = namespaced_enums::B(10); | help: consider importing this tuple variant | -LL | use namespaced_enums::Foo::B; +LL + use namespaced_enums::Foo::B; | help: if you import `B`, refer to it directly | @@ -38,7 +38,7 @@ LL | let _ = namespaced_enums::C { a: 10 }; | help: consider importing this variant | -LL | use namespaced_enums::Foo::C; +LL + use namespaced_enums::Foo::C; | help: if you import `C`, refer to it directly | diff --git a/tests/ui/resolve/filter-intrinsics.stderr b/tests/ui/resolve/filter-intrinsics.stderr index 955070891fb..cc1092dd0cf 100644 --- a/tests/ui/resolve/filter-intrinsics.stderr +++ b/tests/ui/resolve/filter-intrinsics.stderr @@ -6,7 +6,7 @@ LL | let _ = size_of::<usize>(); | help: consider importing this function | -LL | use std::mem::size_of; +LL + use std::mem::size_of; | error[E0425]: cannot find function `fabsf64` in this scope @@ -17,7 +17,7 @@ LL | let _ = fabsf64(1.0); | help: consider importing this function | -LL | use std::intrinsics::fabsf64; +LL + use std::intrinsics::fabsf64; | error: aborting due to 2 previous errors diff --git a/tests/ui/resolve/issue-102946.stderr b/tests/ui/resolve/issue-102946.stderr index 65be0258e6d..b2cdcb25c3f 100644 --- a/tests/ui/resolve/issue-102946.stderr +++ b/tests/ui/resolve/issue-102946.stderr @@ -6,7 +6,7 @@ LL | impl Error for str::Utf8Error { | help: consider importing this trait | -LL | use std::error::Error; +LL + use std::error::Error; | error[E0223]: ambiguous associated type diff --git a/tests/ui/resolve/issue-16058.stderr b/tests/ui/resolve/issue-16058.stderr index c47d22cef5f..710002a154e 100644 --- a/tests/ui/resolve/issue-16058.stderr +++ b/tests/ui/resolve/issue-16058.stderr @@ -6,11 +6,11 @@ LL | Result { | help: consider importing one of these items instead | -LL | use std::fmt::Result; +LL + use std::fmt::Result; | -LL | use std::io::Result; +LL + use std::io::Result; | -LL | use std::thread::Result; +LL + use std::thread::Result; | error: aborting due to previous error diff --git a/tests/ui/resolve/issue-17518.stderr b/tests/ui/resolve/issue-17518.stderr index 034d0d01bfb..492e3b34a17 100644 --- a/tests/ui/resolve/issue-17518.stderr +++ b/tests/ui/resolve/issue-17518.stderr @@ -6,7 +6,7 @@ LL | E { name: "foobar" }; | help: consider importing this variant | -LL | use SomeEnum::E; +LL + use SomeEnum::E; | error: aborting due to previous error diff --git a/tests/ui/resolve/issue-21221-1.stderr b/tests/ui/resolve/issue-21221-1.stderr index 538eeead9fc..a38116cd728 100644 --- a/tests/ui/resolve/issue-21221-1.stderr +++ b/tests/ui/resolve/issue-21221-1.stderr @@ -6,11 +6,11 @@ LL | impl Mul for Foo { | help: consider importing one of these items | -LL | use mul1::Mul; +LL + use mul1::Mul; | -LL | use mul2::Mul; +LL + use mul2::Mul; | -LL | use std::ops::Mul; +LL + use std::ops::Mul; | error[E0412]: cannot find type `Mul` in this scope @@ -21,11 +21,11 @@ LL | fn getMul() -> Mul { | help: consider importing one of these items | -LL | use mul1::Mul; +LL + use mul1::Mul; | -LL | use mul2::Mul; +LL + use mul2::Mul; | -LL | use std::ops::Mul; +LL + use std::ops::Mul; | error[E0405]: cannot find trait `ThisTraitReallyDoesntExistInAnyModuleReally` in this scope @@ -42,7 +42,7 @@ LL | impl Div for Foo { | help: consider importing this trait | -LL | use std::ops::Div; +LL + use std::ops::Div; | error: aborting due to 4 previous errors diff --git a/tests/ui/resolve/issue-21221-2.stderr b/tests/ui/resolve/issue-21221-2.stderr index d4fd7cb1257..9beb626623e 100644 --- a/tests/ui/resolve/issue-21221-2.stderr +++ b/tests/ui/resolve/issue-21221-2.stderr @@ -6,9 +6,9 @@ LL | impl T for Foo { } | help: consider importing one of these items | -LL | use baz::T; +LL + use baz::T; | -LL | use foo::bar::T; +LL + use foo::bar::T; | error: aborting due to previous error diff --git a/tests/ui/resolve/issue-21221-3.stderr b/tests/ui/resolve/issue-21221-3.stderr index f12e5b09bac..0dabdfd9b39 100644 --- a/tests/ui/resolve/issue-21221-3.stderr +++ b/tests/ui/resolve/issue-21221-3.stderr @@ -6,7 +6,7 @@ LL | impl OuterTrait for Foo {} | help: consider importing this trait | -LL | use issue_21221_3::outer::OuterTrait; +LL + use issue_21221_3::outer::OuterTrait; | error: aborting due to previous error diff --git a/tests/ui/resolve/issue-21221-4.stderr b/tests/ui/resolve/issue-21221-4.stderr index fc15444d0c0..5af14b1b68d 100644 --- a/tests/ui/resolve/issue-21221-4.stderr +++ b/tests/ui/resolve/issue-21221-4.stderr @@ -6,7 +6,7 @@ LL | impl T for Foo {} | help: consider importing this trait | -LL | use issue_21221_4::T; +LL + use issue_21221_4::T; | error: aborting due to previous error diff --git a/tests/ui/resolve/issue-2356.stderr b/tests/ui/resolve/issue-2356.stderr index 36f3da7c955..313b3e30dd9 100644 --- a/tests/ui/resolve/issue-2356.stderr +++ b/tests/ui/resolve/issue-2356.stderr @@ -10,7 +10,7 @@ LL | Self::default(); | ~~~~~~~~~~~~~ help: consider importing this function | -LL | use std::default::default; +LL + use std::default::default; | error[E0425]: cannot find value `whiskers` in this scope diff --git a/tests/ui/resolve/issue-26545.stderr b/tests/ui/resolve/issue-26545.stderr index d3c86692501..42a7531c5b9 100644 --- a/tests/ui/resolve/issue-26545.stderr +++ b/tests/ui/resolve/issue-26545.stderr @@ -6,7 +6,7 @@ LL | B(()); | help: consider importing this tuple struct | -LL | use foo::B; +LL + use foo::B; | error: aborting due to previous error diff --git a/tests/ui/resolve/issue-35675.stderr b/tests/ui/resolve/issue-35675.stderr index 4a06196d548..44af65b0768 100644 --- a/tests/ui/resolve/issue-35675.stderr +++ b/tests/ui/resolve/issue-35675.stderr @@ -17,7 +17,7 @@ LL | Apple(5) | help: consider importing this tuple variant | -LL | use Fruit::Apple; +LL + use Fruit::Apple; | error[E0573]: expected type, found variant `Fruit::Apple` @@ -37,7 +37,7 @@ LL | Apple(5) | help: consider importing this tuple variant | -LL | use Fruit::Apple; +LL + use Fruit::Apple; | error[E0573]: expected type, found variant `Ok` diff --git a/tests/ui/resolve/issue-3907.stderr b/tests/ui/resolve/issue-3907.stderr index 6fc61cae843..70631a13cdf 100644 --- a/tests/ui/resolve/issue-3907.stderr +++ b/tests/ui/resolve/issue-3907.stderr @@ -10,7 +10,7 @@ LL | trait Foo = dyn issue_3907::Foo; | help: consider importing this trait instead | -LL | use issue_3907::Foo; +LL + use issue_3907::Foo; | error: aborting due to previous error diff --git a/tests/ui/resolve/issue-50599.stderr b/tests/ui/resolve/issue-50599.stderr index b07482c83cc..d7419b64fac 100644 --- a/tests/ui/resolve/issue-50599.stderr +++ b/tests/ui/resolve/issue-50599.stderr @@ -6,9 +6,9 @@ LL | const M: usize = (f64::from(N) * std::f64::LOG10_2) as usize; | help: consider importing one of these items | -LL | use std::f32::consts::LOG10_2; +LL + use std::f32::consts::LOG10_2; | -LL | use std::f64::consts::LOG10_2; +LL + use std::f64::consts::LOG10_2; | help: if you import `LOG10_2`, refer to it directly | diff --git a/tests/ui/resolve/issue-73427.stderr b/tests/ui/resolve/issue-73427.stderr index 4af5f29d809..622de9b39bd 100644 --- a/tests/ui/resolve/issue-73427.stderr +++ b/tests/ui/resolve/issue-73427.stderr @@ -107,9 +107,9 @@ LL | (E::TupleWithFields(/* fields */)).foo(); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ help: consider importing one of these items instead | -LL | use std::f32::consts::E; +LL + use std::f32::consts::E; | -LL | use std::f64::consts::E; +LL + use std::f64::consts::E; | error[E0532]: expected tuple struct or tuple variant, found enum `A` diff --git a/tests/ui/resolve/issue-90113.stderr b/tests/ui/resolve/issue-90113.stderr index 1b78720571c..5f55d9c241a 100644 --- a/tests/ui/resolve/issue-90113.stderr +++ b/tests/ui/resolve/issue-90113.stderr @@ -6,7 +6,7 @@ LL | Cons(..) => {} | help: consider importing this tuple variant | -LL | use list::List::Cons; +LL + use list::List::Cons; | error: aborting due to previous error diff --git a/tests/ui/resolve/missing-in-namespace.stderr b/tests/ui/resolve/missing-in-namespace.stderr index fc925ba3b6a..7a7b749aebb 100644 --- a/tests/ui/resolve/missing-in-namespace.stderr +++ b/tests/ui/resolve/missing-in-namespace.stderr @@ -6,7 +6,7 @@ LL | let _map = std::hahmap::HashMap::new(); | help: consider importing this struct | -LL | use std::collections::HashMap; +LL + use std::collections::HashMap; | help: if you import `HashMap`, refer to it directly | diff --git a/tests/ui/resolve/no-implicit-prelude-nested.stderr b/tests/ui/resolve/no-implicit-prelude-nested.stderr index 198b630c52c..49cf72bfee2 100644 --- a/tests/ui/resolve/no-implicit-prelude-nested.stderr +++ b/tests/ui/resolve/no-implicit-prelude-nested.stderr @@ -6,7 +6,7 @@ LL | impl Add for Test {} | help: consider importing this trait | -LL | use std::ops::Add; +LL + use std::ops::Add; | error[E0404]: expected trait, found derive macro `Clone` @@ -17,7 +17,7 @@ LL | impl Clone for Test {} | help: consider importing this trait instead | -LL | use std::clone::Clone; +LL + use std::clone::Clone; | error[E0405]: cannot find trait `Iterator` in this scope @@ -28,7 +28,7 @@ LL | impl Iterator for Test {} | help: consider importing this trait | -LL | use std::iter::Iterator; +LL + use std::iter::Iterator; | error[E0405]: cannot find trait `ToString` in this scope @@ -39,7 +39,7 @@ LL | impl ToString for Test {} | help: consider importing this trait | -LL | use std::string::ToString; +LL + use std::string::ToString; | error[E0405]: cannot find trait `Writer` in this scope @@ -56,7 +56,7 @@ LL | drop(2) | help: consider importing this function | -LL | use std::mem::drop; +LL + use std::mem::drop; | error[E0405]: cannot find trait `Add` in this scope @@ -67,7 +67,7 @@ LL | impl Add for Test {} | help: consider importing this trait | -LL | use std::ops::Add; +LL + use std::ops::Add; | error[E0404]: expected trait, found derive macro `Clone` @@ -78,7 +78,7 @@ LL | impl Clone for Test {} | help: consider importing this trait instead | -LL | use std::clone::Clone; +LL + use std::clone::Clone; | error[E0405]: cannot find trait `Iterator` in this scope @@ -89,7 +89,7 @@ LL | impl Iterator for Test {} | help: consider importing this trait | -LL | use std::iter::Iterator; +LL + use std::iter::Iterator; | error[E0405]: cannot find trait `ToString` in this scope @@ -100,7 +100,7 @@ LL | impl ToString for Test {} | help: consider importing this trait | -LL | use std::string::ToString; +LL + use std::string::ToString; | error[E0405]: cannot find trait `Writer` in this scope @@ -117,7 +117,7 @@ LL | drop(2) | help: consider importing this function | -LL | use std::mem::drop; +LL + use std::mem::drop; | error[E0405]: cannot find trait `Add` in this scope @@ -128,7 +128,7 @@ LL | impl Add for Test {} | help: consider importing this trait | -LL | use std::ops::Add; +LL + use std::ops::Add; | error[E0404]: expected trait, found derive macro `Clone` @@ -139,7 +139,7 @@ LL | impl Clone for Test {} | help: consider importing this trait instead | -LL | use std::clone::Clone; +LL + use std::clone::Clone; | error[E0405]: cannot find trait `Iterator` in this scope @@ -150,7 +150,7 @@ LL | impl Iterator for Test {} | help: consider importing this trait | -LL | use std::iter::Iterator; +LL + use std::iter::Iterator; | error[E0405]: cannot find trait `ToString` in this scope @@ -161,7 +161,7 @@ LL | impl ToString for Test {} | help: consider importing this trait | -LL | use std::string::ToString; +LL + use std::string::ToString; | error[E0405]: cannot find trait `Writer` in this scope @@ -178,7 +178,7 @@ LL | drop(2) | help: consider importing this function | -LL | use std::mem::drop; +LL + use std::mem::drop; | error: aborting due to 18 previous errors diff --git a/tests/ui/resolve/no-implicit-prelude.stderr b/tests/ui/resolve/no-implicit-prelude.stderr index 36a9b65b7d1..5a759743f72 100644 --- a/tests/ui/resolve/no-implicit-prelude.stderr +++ b/tests/ui/resolve/no-implicit-prelude.stderr @@ -6,7 +6,7 @@ LL | impl Add for Test {} | help: consider importing this trait | -LL | use std::ops::Add; +LL + use std::ops::Add; | error[E0404]: expected trait, found derive macro `Clone` @@ -17,7 +17,7 @@ LL | impl Clone for Test {} | help: consider importing this trait instead | -LL | use std::clone::Clone; +LL + use std::clone::Clone; | error[E0405]: cannot find trait `Iterator` in this scope @@ -28,7 +28,7 @@ LL | impl Iterator for Test {} | help: consider importing this trait | -LL | use std::iter::Iterator; +LL + use std::iter::Iterator; | error[E0405]: cannot find trait `ToString` in this scope @@ -39,7 +39,7 @@ LL | impl ToString for Test {} | help: consider importing this trait | -LL | use std::string::ToString; +LL + use std::string::ToString; | error[E0405]: cannot find trait `Writer` in this scope @@ -56,7 +56,7 @@ LL | drop(2) | help: consider importing this function | -LL | use std::mem::drop; +LL + use std::mem::drop; | error: aborting due to 6 previous errors diff --git a/tests/ui/resolve/privacy-enum-ctor.stderr b/tests/ui/resolve/privacy-enum-ctor.stderr index 3c051429fd0..0bb09090569 100644 --- a/tests/ui/resolve/privacy-enum-ctor.stderr +++ b/tests/ui/resolve/privacy-enum-ctor.stderr @@ -84,9 +84,9 @@ LL | let _: E = m::f; | ~ help: consider importing one of these items instead | -LL | use std::f32::consts::E; +LL + use std::f32::consts::E; | -LL | use std::f64::consts::E; +LL + use std::f64::consts::E; | help: if you import `E`, refer to it directly | @@ -121,9 +121,9 @@ LL | let _: E = (E::Fn(/* fields */)); | ~~~~~~~~~~~~~~~~~~~~~ help: consider importing one of these items instead | -LL | use std::f32::consts::E; +LL + use std::f32::consts::E; | -LL | use std::f64::consts::E; +LL + use std::f64::consts::E; | error[E0412]: cannot find type `Z` in this scope diff --git a/tests/ui/resolve/resolve-primitive-fallback.stderr b/tests/ui/resolve/resolve-primitive-fallback.stderr index f803f9da2af..e3a5d4edcf1 100644 --- a/tests/ui/resolve/resolve-primitive-fallback.stderr +++ b/tests/ui/resolve/resolve-primitive-fallback.stderr @@ -12,7 +12,7 @@ LL | let _: ::u8; | help: consider importing this builtin type | -LL | use std::primitive::u8; +LL + use std::primitive::u8; | help: if you import `u8`, refer to it directly | diff --git a/tests/ui/resolve/use_suggestion.stderr b/tests/ui/resolve/use_suggestion.stderr index 54ad853831f..1155f5caa17 100644 --- a/tests/ui/resolve/use_suggestion.stderr +++ b/tests/ui/resolve/use_suggestion.stderr @@ -6,7 +6,7 @@ LL | let x1 = HashMap::new(); | help: consider importing this struct | -LL | use std::collections::HashMap; +LL + use std::collections::HashMap; | error[E0412]: cannot find type `HashMap` in this scope @@ -17,7 +17,7 @@ LL | let y1: HashMap; | help: consider importing this struct | -LL | use std::collections::HashMap; +LL + use std::collections::HashMap; | error[E0412]: cannot find type `GooMap` in this scope diff --git a/tests/ui/resolve/use_suggestion_placement.stderr b/tests/ui/resolve/use_suggestion_placement.stderr index 0aadd82f6c2..3611f9ae6b4 100644 --- a/tests/ui/resolve/use_suggestion_placement.stderr +++ b/tests/ui/resolve/use_suggestion_placement.stderr @@ -6,7 +6,7 @@ LL | type Bar = Path; | help: consider importing this struct | -LL | use std::path::Path; +LL + use std::path::Path; | error[E0425]: cannot find value `A` in this scope @@ -17,7 +17,7 @@ LL | let _ = A; | help: consider importing this constant | -LL | use m::A; +LL + use m::A; | error[E0412]: cannot find type `HashMap` in this scope @@ -28,7 +28,7 @@ LL | type Dict<K, V> = HashMap<K, V>; | help: consider importing this struct | -LL | use std::collections::HashMap; +LL + use std::collections::HashMap; | error: aborting due to 3 previous errors diff --git a/tests/ui/rfc-2361-dbg-macro/dbg-macro-requires-debug.stderr b/tests/ui/rfc-2361-dbg-macro/dbg-macro-requires-debug.stderr index d8b5a9e6364..ce165e64632 100644 --- a/tests/ui/rfc-2361-dbg-macro/dbg-macro-requires-debug.stderr +++ b/tests/ui/rfc-2361-dbg-macro/dbg-macro-requires-debug.stderr @@ -9,7 +9,8 @@ LL | let _: NotDebug = dbg!(NotDebug); = note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `dbg` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `NotDebug` with `#[derive(Debug)]` | -LL | #[derive(Debug)] +LL + #[derive(Debug)] +LL | struct NotDebug; | error: aborting due to previous error diff --git a/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr b/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr index 6b6c578bff8..653037ef398 100644 --- a/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr +++ b/tests/ui/rfc-2632-const-trait-impl/const_derives/derive-const-non-const-type.stderr @@ -16,7 +16,8 @@ LL | pub struct S(A); = note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `A` with `#[derive(Default)]` | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | pub struct A; | error[E0015]: cannot call non-const fn `<A as Default>::default` in constant functions diff --git a/tests/ui/rfc-2632-const-trait-impl/trait-method-ptr-in-consts-ice.rs b/tests/ui/rfc-2632-const-trait-impl/trait-method-ptr-in-consts-ice.rs new file mode 100644 index 00000000000..7d7cb967c66 --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/trait-method-ptr-in-consts-ice.rs @@ -0,0 +1,23 @@ +// check-pass + +struct LazyLock<T> { + data: (Option<T>, fn() -> T), +} + +impl<T> LazyLock<T> { + pub const fn new(f: fn() -> T) -> LazyLock<T> { + LazyLock { data: (None, f) } + } +} + +struct A<T = i32>(Option<T>); + +impl<T> Default for A<T> { + fn default() -> Self { + A(None) + } +} + +static EMPTY_SET: LazyLock<A<i32>> = LazyLock::new(A::default); + +fn main() {} diff --git a/tests/ui/rust-2018/issue-52202-use-suggestions.stderr b/tests/ui/rust-2018/issue-52202-use-suggestions.stderr index 38cd9713d1a..9933b92439c 100644 --- a/tests/ui/rust-2018/issue-52202-use-suggestions.stderr +++ b/tests/ui/rust-2018/issue-52202-use-suggestions.stderr @@ -6,13 +6,13 @@ LL | let _d = Drain {}; | help: consider importing one of these items | -LL | use crate::plumbing::Drain; +LL + use crate::plumbing::Drain; | -LL | use std::collections::binary_heap::Drain; +LL + use std::collections::binary_heap::Drain; | -LL | use std::collections::hash_map::Drain; +LL + use std::collections::hash_map::Drain; | -LL | use std::collections::hash_set::Drain; +LL + use std::collections::hash_set::Drain; | and 3 other candidates diff --git a/tests/ui/rust-2018/trait-import-suggestions.stderr b/tests/ui/rust-2018/trait-import-suggestions.stderr index 6454b6045e4..325c5976e7c 100644 --- a/tests/ui/rust-2018/trait-import-suggestions.stderr +++ b/tests/ui/rust-2018/trait-import-suggestions.stderr @@ -10,7 +10,7 @@ LL | x.foobar(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use crate::foo::foobar::Foobar; +LL + use crate::foo::foobar::Foobar; | error[E0599]: no method named `bar` found for type `u32` in the current scope @@ -25,7 +25,7 @@ LL | x.bar(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use crate::foo::Bar; +LL + use crate::foo::Bar; | error[E0599]: no method named `baz` found for type `u32` in the current scope @@ -43,7 +43,7 @@ LL | let y = u32::from_str("33"); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use std::str::FromStr; +LL + use std::str::FromStr; | help: there is an associated function with a similar name | diff --git a/tests/ui/rust-2018/uniform-paths/issue-87932.stderr b/tests/ui/rust-2018/uniform-paths/issue-87932.stderr index b52720ae3d9..ac2baa3595b 100644 --- a/tests/ui/rust-2018/uniform-paths/issue-87932.stderr +++ b/tests/ui/rust-2018/uniform-paths/issue-87932.stderr @@ -10,7 +10,7 @@ LL | A::deserialize(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use <crate::A as issue_87932_a::Deserialize>::deserialize::_a::Deserialize; +LL + use <crate::A as issue_87932_a::Deserialize>::deserialize::_a::Deserialize; | error: aborting due to previous error diff --git a/tests/ui/rust-2021/future-prelude-collision-shadow.stderr b/tests/ui/rust-2021/future-prelude-collision-shadow.stderr index 3d21b735aea..9dfaf13e2ec 100644 --- a/tests/ui/rust-2021/future-prelude-collision-shadow.stderr +++ b/tests/ui/rust-2021/future-prelude-collision-shadow.stderr @@ -8,9 +8,9 @@ LL | let _: u32 = 3u8.try_into().unwrap(); = note: 'std::convert::TryInto' is included in the prelude starting in Edition 2021 help: the following traits are implemented but not in scope; perhaps add a `use` for one of them: | -LL | use crate::m::TryIntoU32; +LL + use crate::m::TryIntoU32; | -LL | use std::convert::TryInto; +LL + use std::convert::TryInto; | error: aborting due to previous error diff --git a/tests/ui/self/class-missing-self.stderr b/tests/ui/self/class-missing-self.stderr index 063c3f013c5..3c37d819743 100644 --- a/tests/ui/self/class-missing-self.stderr +++ b/tests/ui/self/class-missing-self.stderr @@ -16,7 +16,7 @@ LL | self.sleep(); | +++++ help: consider importing this function | -LL | use std::thread::sleep; +LL + use std::thread::sleep; | error: aborting due to 2 previous errors diff --git a/tests/ui/shadowed/shadowed-trait-methods.stderr b/tests/ui/shadowed/shadowed-trait-methods.stderr index c3b9084affd..1af0400c886 100644 --- a/tests/ui/shadowed/shadowed-trait-methods.stderr +++ b/tests/ui/shadowed/shadowed-trait-methods.stderr @@ -10,7 +10,7 @@ LL | ().f() = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use foo::T; +LL + use foo::T; | error: aborting due to previous error diff --git a/tests/ui/span/drop-location-span-error-rust-2021-incompatible-closure-captures-96258.stderr b/tests/ui/span/drop-location-span-error-rust-2021-incompatible-closure-captures-96258.stderr index 37b2f413860..60433e1c284 100644 --- a/tests/ui/span/drop-location-span-error-rust-2021-incompatible-closure-captures-96258.stderr +++ b/tests/ui/span/drop-location-span-error-rust-2021-incompatible-closure-captures-96258.stderr @@ -15,7 +15,7 @@ LL | interval: Duration, | help: consider importing this struct | -LL | use std::time::Duration; +LL + use std::time::Duration; | error: aborting due to 2 previous errors diff --git a/tests/ui/span/issue-35987.stderr b/tests/ui/span/issue-35987.stderr index 057d40ac0cb..88c86d2a91b 100644 --- a/tests/ui/span/issue-35987.stderr +++ b/tests/ui/span/issue-35987.stderr @@ -11,7 +11,7 @@ LL | impl<T: Clone, Add> Add for Foo<T> { | help: consider importing this trait instead | -LL | use std::ops::Add; +LL + use std::ops::Add; | error: aborting due to previous error diff --git a/tests/ui/span/issue-71363.stderr b/tests/ui/span/issue-71363.stderr index cb5cc320276..90b623e89cf 100644 --- a/tests/ui/span/issue-71363.stderr +++ b/tests/ui/span/issue-71363.stderr @@ -21,7 +21,8 @@ note: required by a bound in `std::error::Error` --> $SRC_DIR/core/src/error.rs:LL:COL help: consider annotating `MyError` with `#[derive(Debug)]` | -3 | #[derive(Debug)] +3 + #[derive(Debug)] +4 | struct MyError; | error: aborting due to 2 previous errors diff --git a/tests/ui/specialization/issue-59435.stderr b/tests/ui/specialization/issue-59435.stderr index 21145940668..e8a12e4d928 100644 --- a/tests/ui/specialization/issue-59435.stderr +++ b/tests/ui/specialization/issue-59435.stderr @@ -11,7 +11,8 @@ LL | type MyType: Default; | ^^^^^^^ required by this bound in `MyTrait::MyType` help: consider annotating `MyStruct` with `#[derive(Default)]` | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | struct MyStruct {} | error: aborting due to previous error diff --git a/tests/ui-fulldeps/std/issue-15149.rs b/tests/ui/std/issue-15149.rs index 064472f5785..064472f5785 100644 --- a/tests/ui-fulldeps/std/issue-15149.rs +++ b/tests/ui/std/issue-15149.rs diff --git a/tests/ui-fulldeps/std/issue-81357-unsound-file-methods.rs b/tests/ui/std/issue-81357-unsound-file-methods.rs index fdf1150f8d2..fdf1150f8d2 100644 --- a/tests/ui-fulldeps/std/issue-81357-unsound-file-methods.rs +++ b/tests/ui/std/issue-81357-unsound-file-methods.rs diff --git a/tests/ui-fulldeps/std/stdio-from.rs b/tests/ui/std/stdio-from.rs index fef9f27fcdf..fef9f27fcdf 100644 --- a/tests/ui-fulldeps/std/stdio-from.rs +++ b/tests/ui/std/stdio-from.rs diff --git a/tests/ui-fulldeps/std/switch-stdout.rs b/tests/ui/std/switch-stdout.rs index e9501a80930..2d936d96b05 100644 --- a/tests/ui-fulldeps/std/switch-stdout.rs +++ b/tests/ui/std/switch-stdout.rs @@ -1,4 +1,5 @@ // run-pass +// ignore-wasm (needs file descriptors and env variables) use std::env; use std::fs::File; diff --git a/tests/ui/structs/struct-path-alias-bounds.stderr b/tests/ui/structs/struct-path-alias-bounds.stderr index 266291f62b4..5b01208c56f 100644 --- a/tests/ui/structs/struct-path-alias-bounds.stderr +++ b/tests/ui/structs/struct-path-alias-bounds.stderr @@ -11,7 +11,8 @@ LL | struct S<T: Clone> { a: T } | ^^^^^ required by this bound in `S` help: consider annotating `NoClone` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct NoClone; | error: aborting due to previous error diff --git a/tests/ui/suggestions/clone-on-unconstrained-borrowed-type-param.stderr b/tests/ui/suggestions/clone-on-unconstrained-borrowed-type-param.stderr index 45593035b9d..0716005c679 100644 --- a/tests/ui/suggestions/clone-on-unconstrained-borrowed-type-param.stderr +++ b/tests/ui/suggestions/clone-on-unconstrained-borrowed-type-param.stderr @@ -35,7 +35,8 @@ LL | t.clone() | ^ help: consider annotating `Foo` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct Foo; | error: aborting due to 2 previous errors diff --git a/tests/ui/suggestions/core-std-import-order-issue-83564.stderr b/tests/ui/suggestions/core-std-import-order-issue-83564.stderr index e4e1fc591c4..48ee44a74f2 100644 --- a/tests/ui/suggestions/core-std-import-order-issue-83564.stderr +++ b/tests/ui/suggestions/core-std-import-order-issue-83564.stderr @@ -6,9 +6,9 @@ LL | let _x = NonZeroU32::new(5).unwrap(); | help: consider importing one of these items | -LL | use core::num::NonZeroU32; +LL + use core::num::NonZeroU32; | -LL | use std::num::NonZeroU32; +LL + use std::num::NonZeroU32; | error: aborting due to previous error diff --git a/tests/ui/suggestions/derive-macro-missing-bounds.stderr b/tests/ui/suggestions/derive-macro-missing-bounds.stderr index 79036279df9..c3f305c1770 100644 --- a/tests/ui/suggestions/derive-macro-missing-bounds.stderr +++ b/tests/ui/suggestions/derive-macro-missing-bounds.stderr @@ -11,7 +11,8 @@ LL | struct Outer<T>(Inner<T>); = note: this error originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `a::Inner<T>` with `#[derive(Debug)]` | -LL | #[derive(Debug)] +LL + #[derive(Debug)] +LL | struct Inner<T>(T); | help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement | diff --git a/tests/ui/suggestions/derive-trait-for-method-call.stderr b/tests/ui/suggestions/derive-trait-for-method-call.stderr index 924b26a8c75..e2db0da74f0 100644 --- a/tests/ui/suggestions/derive-trait-for-method-call.stderr +++ b/tests/ui/suggestions/derive-trait-for-method-call.stderr @@ -32,7 +32,8 @@ note: the trait `Default` must be implemented --> $SRC_DIR/core/src/default.rs:LL:COL help: consider annotating `Enum` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | enum Enum { | error[E0599]: the method `test` exists for struct `Foo<Struct, CloneStruct>`, but its trait bounds were not satisfied @@ -67,11 +68,13 @@ LL | impl<X: Clone + Default + , Y: Clone + Default> Foo<X, Y> { | unsatisfied trait bound introduced here help: consider annotating `CloneStruct` with `#[derive(Default)]` | -LL | #[derive(Default)] +LL + #[derive(Default)] +LL | struct CloneStruct { | help: consider annotating `Struct` with `#[derive(Clone, Default)]` | -LL | #[derive(Clone, Default)] +LL + #[derive(Clone, Default)] +LL | struct Struct { | error[E0599]: the method `test` exists for struct `Foo<Vec<Enum>, Instant>`, but its trait bounds were not satisfied diff --git a/tests/ui/suggestions/dont-wrap-ambiguous-receivers.stderr b/tests/ui/suggestions/dont-wrap-ambiguous-receivers.stderr index 4658ecb3a7a..85fbb8b88e8 100644 --- a/tests/ui/suggestions/dont-wrap-ambiguous-receivers.stderr +++ b/tests/ui/suggestions/dont-wrap-ambiguous-receivers.stderr @@ -10,9 +10,9 @@ LL | banana::Chaenomeles.pick() = help: items from traits can only be used if the trait is in scope help: the following traits are implemented but not in scope; perhaps add a `use` for one of them: | -LL | use banana::Apple; +LL + use banana::Apple; | -LL | use banana::Peach; +LL + use banana::Peach; | error: aborting due to previous error diff --git a/tests/ui/suggestions/expected-boxed-future-isnt-pinned.stderr b/tests/ui/suggestions/expected-boxed-future-isnt-pinned.stderr index b827beb504d..0232d4c8db6 100644 --- a/tests/ui/suggestions/expected-boxed-future-isnt-pinned.stderr +++ b/tests/ui/suggestions/expected-boxed-future-isnt-pinned.stderr @@ -50,7 +50,8 @@ LL | Pin::new(x) | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `Pin::<P>::new` --> $SRC_DIR/core/src/pin.rs:LL:COL @@ -62,7 +63,8 @@ LL | Pin::new(Box::new(x)) | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `Pin::<P>::new` --> $SRC_DIR/core/src/pin.rs:LL:COL diff --git a/tests/ui/suggestions/import-trait-for-method-call.stderr b/tests/ui/suggestions/import-trait-for-method-call.stderr index f159b51a269..3f54daf136f 100644 --- a/tests/ui/suggestions/import-trait-for-method-call.stderr +++ b/tests/ui/suggestions/import-trait-for-method-call.stderr @@ -10,7 +10,7 @@ LL | h.finish() = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use std::hash::Hasher; +LL + use std::hash::Hasher; | error[E0599]: the method `as_ref` exists for reference `&dyn Bar`, but its trait bounds were not satisfied diff --git a/tests/ui/suggestions/invalid-bin-op.stderr b/tests/ui/suggestions/invalid-bin-op.stderr index 08502dfeb2d..e291cedb835 100644 --- a/tests/ui/suggestions/invalid-bin-op.stderr +++ b/tests/ui/suggestions/invalid-bin-op.stderr @@ -13,7 +13,8 @@ LL | struct S<T>(T); | ^^^^^^^^^^^ must implement `PartialEq<_>` help: consider annotating `S<T>` with `#[derive(PartialEq)]` | -LL | #[derive(PartialEq)] +LL + #[derive(PartialEq)] +LL | struct S<T>(T); | help: consider introducing a `where` clause, but there might be an alternative better way to express this requirement | diff --git a/tests/ui/suggestions/issue-84973-blacklist.stderr b/tests/ui/suggestions/issue-84973-blacklist.stderr index c20cc816484..4de9da89c9b 100644 --- a/tests/ui/suggestions/issue-84973-blacklist.stderr +++ b/tests/ui/suggestions/issue-84973-blacklist.stderr @@ -27,7 +27,8 @@ LL | fn f_clone<T: Clone>(t: T) {} | ^^^^^ required by this bound in `f_clone` help: consider annotating `S` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct S; | error[E0277]: `[static generator@$DIR/issue-84973-blacklist.rs:17:13: 17:22]` cannot be unpinned @@ -38,7 +39,8 @@ LL | f_unpin(static || { yield; }); | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `f_unpin` --> $DIR/issue-84973-blacklist.rs:8:15 | diff --git a/tests/ui/suggestions/no-extern-crate-in-type.stderr b/tests/ui/suggestions/no-extern-crate-in-type.stderr index 876eef2b624..68100e56cbc 100644 --- a/tests/ui/suggestions/no-extern-crate-in-type.stderr +++ b/tests/ui/suggestions/no-extern-crate-in-type.stderr @@ -6,7 +6,7 @@ LL | type Output = Option<Foo>; | help: consider importing this struct | -LL | use foo::Foo; +LL + use foo::Foo; | error: aborting due to previous error diff --git a/tests/ui/suggestions/raw-name-use-suggestion.stderr b/tests/ui/suggestions/raw-name-use-suggestion.stderr index 95c26b9ade8..fb070ffc332 100644 --- a/tests/ui/suggestions/raw-name-use-suggestion.stderr +++ b/tests/ui/suggestions/raw-name-use-suggestion.stderr @@ -28,7 +28,7 @@ LL | r#break(); | help: consider importing this function | -LL | use foo::r#break; +LL + use foo::r#break; | error: aborting due to 3 previous errors diff --git a/tests/ui/suggestions/suggest-pin-macro.rs b/tests/ui/suggestions/suggest-pin-macro.rs new file mode 100644 index 00000000000..f5b96215925 --- /dev/null +++ b/tests/ui/suggestions/suggest-pin-macro.rs @@ -0,0 +1,23 @@ +use std::pin::Pin; +use std::marker::PhantomPinned; + +#[derive(Debug)] +struct Test { + _marker: PhantomPinned, +} +impl Test { + fn new() -> Self { + Test { + _marker: PhantomPinned, // This makes our type `!Unpin` + } + } +} + +fn dummy(_: &mut Test) {} + +pub fn main() { + let mut test1 = Test::new(); + let mut test1 = unsafe { Pin::new_unchecked(&mut test1) }; + + dummy(test1.get_mut()); //~ ERROR E0277 +} diff --git a/tests/ui/suggestions/suggest-pin-macro.stderr b/tests/ui/suggestions/suggest-pin-macro.stderr new file mode 100644 index 00000000000..1220cf650cc --- /dev/null +++ b/tests/ui/suggestions/suggest-pin-macro.stderr @@ -0,0 +1,19 @@ +error[E0277]: `PhantomPinned` cannot be unpinned + --> $DIR/suggest-pin-macro.rs:22:17 + | +LL | dummy(test1.get_mut()); + | ^^^^^^^ within `Test`, the trait `Unpin` is not implemented for `PhantomPinned` + | + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope +note: required because it appears within the type `Test` + --> $DIR/suggest-pin-macro.rs:5:8 + | +LL | struct Test { + | ^^^^ +note: required by a bound in `Pin::<&'a mut T>::get_mut` + --> $SRC_DIR/core/src/pin.rs:LL:COL + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/suggestions/suggest-tryinto-edition-change.stderr b/tests/ui/suggestions/suggest-tryinto-edition-change.stderr index 018083f9e03..671f5efddd9 100644 --- a/tests/ui/suggestions/suggest-tryinto-edition-change.stderr +++ b/tests/ui/suggestions/suggest-tryinto-edition-change.stderr @@ -8,9 +8,9 @@ LL | let _i: i16 = TryFrom::try_from(0_i32).unwrap(); = note: 'core::convert::TryFrom' is included in the prelude starting in Edition 2021 help: consider importing one of these items | -LL | use core::convert::TryFrom; +LL + use core::convert::TryFrom; | -LL | use std::convert::TryFrom; +LL + use std::convert::TryFrom; | error[E0433]: failed to resolve: use of undeclared type `TryInto` @@ -23,9 +23,9 @@ LL | let _i: i16 = TryInto::try_into(0_i32).unwrap(); = note: 'core::convert::TryInto' is included in the prelude starting in Edition 2021 help: consider importing one of these items | -LL | use core::convert::TryInto; +LL + use core::convert::TryInto; | -LL | use std::convert::TryInto; +LL + use std::convert::TryInto; | error[E0433]: failed to resolve: use of undeclared type `FromIterator` @@ -42,9 +42,9 @@ LL | let _v: Vec<_> = IntoIterator::from_iter(&[1]); | ~~~~~~~~~~~~ help: consider importing one of these items | -LL | use core::iter::FromIterator; +LL + use core::iter::FromIterator; | -LL | use std::iter::FromIterator; +LL + use std::iter::FromIterator; | error[E0599]: no method named `try_into` found for type `i32` in the current scope @@ -60,7 +60,7 @@ LL | let _i: i16 = 0_i32.try_into().unwrap(); = note: 'std::convert::TryInto' is included in the prelude starting in Edition 2021 help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use std::convert::TryInto; +LL + use std::convert::TryInto; | error: aborting due to 4 previous errors diff --git a/tests/ui/suggestions/use-placement-resolve.stderr b/tests/ui/suggestions/use-placement-resolve.stderr index 9da9e8e2702..77724e7e2a4 100644 --- a/tests/ui/suggestions/use-placement-resolve.stderr +++ b/tests/ui/suggestions/use-placement-resolve.stderr @@ -6,7 +6,7 @@ LL | fn foobar<T: Debug>(x: T) {} | help: consider importing this trait instead | -LL | use std::fmt::Debug; +LL + use std::fmt::Debug; | error: aborting due to previous error diff --git a/tests/ui/suggestions/use-placement-typeck.stderr b/tests/ui/suggestions/use-placement-typeck.stderr index 3b2749773a1..e900e12b7df 100644 --- a/tests/ui/suggestions/use-placement-typeck.stderr +++ b/tests/ui/suggestions/use-placement-typeck.stderr @@ -13,7 +13,7 @@ LL | pub struct S; = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use m::Foo; +LL + use m::Foo; | error: aborting due to previous error diff --git a/tests/ui/test-attrs/issue-109816.rs b/tests/ui/test-attrs/issue-109816.rs new file mode 100644 index 00000000000..21fe5bc53b7 --- /dev/null +++ b/tests/ui/test-attrs/issue-109816.rs @@ -0,0 +1,7 @@ +// compile-flags: --test + +fn align_offset_weird_strides() { + #[test] + //~^ ERROR the `#[test]` attribute may only be used on a non-associated function + struct A5(u32, u8); +} diff --git a/tests/ui/test-attrs/issue-109816.stderr b/tests/ui/test-attrs/issue-109816.stderr new file mode 100644 index 00000000000..e6993287555 --- /dev/null +++ b/tests/ui/test-attrs/issue-109816.stderr @@ -0,0 +1,16 @@ +error: the `#[test]` attribute may only be used on a non-associated function + --> $DIR/issue-109816.rs:4:5 + | +LL | #[test] + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions +LL | +LL | struct A5(u32, u8); + | ------------------- expected a non-associated function, found a struct + | +help: replace with conditional compilation to make the item only exist when tests are being run + | +LL | #[cfg(test)] + | + +error: aborting due to previous error + diff --git a/tests/ui/test-attrs/test-attr-non-associated-functions.rs b/tests/ui/test-attrs/test-attr-non-associated-functions.rs index 31e567c3960..2481919b616 100644 --- a/tests/ui/test-attrs/test-attr-non-associated-functions.rs +++ b/tests/ui/test-attrs/test-attr-non-associated-functions.rs @@ -1,18 +1,16 @@ -// #[test] attribute is not allowed on associated functions or methods -// reworded error message // compile-flags:--test struct A {} impl A { #[test] + //~^ ERROR the `#[test]` attribute may only be used on a non-associated function fn new() -> A { - //~^ ERROR `#[test]` attribute is only allowed on non associated functions A {} } #[test] + //~^ ERROR the `#[test]` attribute may only be used on a non-associated function fn recovery_witness() -> A { - //~^ ERROR `#[test]` attribute is only allowed on non associated functions A {} } } diff --git a/tests/ui/test-attrs/test-attr-non-associated-functions.stderr b/tests/ui/test-attrs/test-attr-non-associated-functions.stderr index a81b8f3980c..3e3a951aff3 100644 --- a/tests/ui/test-attrs/test-attr-non-associated-functions.stderr +++ b/tests/ui/test-attrs/test-attr-non-associated-functions.stderr @@ -1,20 +1,24 @@ -error: `#[test]` attribute is only allowed on non associated functions - --> $DIR/test-attr-non-associated-functions.rs:9:5 - | -LL | / fn new() -> A { -LL | | -LL | | A {} -LL | | } - | |_____^ +error: the `#[test]` attribute may only be used on a non-associated function + --> $DIR/test-attr-non-associated-functions.rs:6:5 + | +LL | #[test] + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions + | +help: replace with conditional compilation to make the item only exist when tests are being run + | +LL | #[cfg(test)] + | -error: `#[test]` attribute is only allowed on non associated functions - --> $DIR/test-attr-non-associated-functions.rs:14:5 - | -LL | / fn recovery_witness() -> A { -LL | | -LL | | A {} -LL | | } - | |_____^ +error: the `#[test]` attribute may only be used on a non-associated function + --> $DIR/test-attr-non-associated-functions.rs:11:5 + | +LL | #[test] + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions + | +help: replace with conditional compilation to make the item only exist when tests are being run + | +LL | #[cfg(test)] + | error: aborting due to 2 previous errors diff --git a/tests/ui/test-attrs/test-on-not-fn.stderr b/tests/ui/test-attrs/test-on-not-fn.stderr index fc2c5f62bed..7a9913fbcfa 100644 --- a/tests/ui/test-attrs/test-on-not-fn.stderr +++ b/tests/ui/test-attrs/test-on-not-fn.stderr @@ -2,7 +2,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:3:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | mod test {} | ----------- expected a non-associated function, found a module | @@ -15,7 +15,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:6:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | / mod loooooooooooooong_teeeeeeeeeest { LL | | /* LL | | this is a comment @@ -34,7 +34,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:20:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | extern "C" {} | ------------- expected a non-associated function, found an extern block | @@ -47,7 +47,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:23:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | trait Foo {} | ------------ expected a non-associated function, found a trait | @@ -60,7 +60,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:26:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | impl Foo for i32 {} | ------------------- expected a non-associated function, found an implementation | @@ -73,7 +73,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:29:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | const FOO: i32 = -1_i32; | ------------------------ expected a non-associated function, found a constant item | @@ -86,7 +86,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:32:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | static BAR: u64 = 10_000_u64; | ----------------------------- expected a non-associated function, found a static item | @@ -99,7 +99,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:35:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | / enum MyUnit { LL | | Unit, LL | | } @@ -114,7 +114,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:40:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | struct NewI32(i32); | ------------------- expected a non-associated function, found a struct | @@ -127,7 +127,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:43:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | / union Spooky { LL | | x: i32, LL | | y: u32, @@ -143,7 +143,7 @@ error: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:50:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | #[derive(Copy, Clone, Debug)] LL | / struct MoreAttrs { LL | | a: i32, @@ -160,7 +160,7 @@ warning: the `#[test]` attribute may only be used on a non-associated function --> $DIR/test-on-not-fn.rs:61:1 | LL | #[test] - | ^^^^^^^ the `#[test]` macro causes a function to be run on a test and has no effect on non-functions + | ^^^^^^^ the `#[test]` macro causes a function to be run as a test and has no effect on non-functions LL | foo!(); | ------- expected a non-associated function, found an item macro invocation | diff --git a/tests/ui/trait-bounds/impl-bound-with-references-error.stderr b/tests/ui/trait-bounds/impl-bound-with-references-error.stderr index 95fd6bd504c..b114d295d78 100644 --- a/tests/ui/trait-bounds/impl-bound-with-references-error.stderr +++ b/tests/ui/trait-bounds/impl-bound-with-references-error.stderr @@ -6,7 +6,7 @@ LL | T: Into<Cow<'static, str>>, | help: consider importing this enum | -LL | use std::borrow::Cow; +LL + use std::borrow::Cow; | error[E0119]: conflicting implementations of trait `From<LabelText>` for type `LabelText` diff --git a/tests/ui/trait-bounds/shadowed-path-in-trait-bound-suggestion.stderr b/tests/ui/trait-bounds/shadowed-path-in-trait-bound-suggestion.stderr index b297662955e..4547e1c984c 100644 --- a/tests/ui/trait-bounds/shadowed-path-in-trait-bound-suggestion.stderr +++ b/tests/ui/trait-bounds/shadowed-path-in-trait-bound-suggestion.stderr @@ -6,7 +6,7 @@ LL | pub struct A<H: A::Trait>(pub H); | help: consider importing this trait | -LL | use A::Trait; +LL + use A::Trait; | help: if you import `Trait`, refer to it directly | diff --git a/tests/ui/traits/alias/dont-elaborate-non-self.rs b/tests/ui/traits/alias/dont-elaborate-non-self.rs new file mode 100644 index 00000000000..4f9eaacb8ed --- /dev/null +++ b/tests/ui/traits/alias/dont-elaborate-non-self.rs @@ -0,0 +1,10 @@ +#![feature(trait_alias)] + +use std::future::Future; + +trait F<Fut: Future<Output = usize>> = Fn() -> Fut; + +fn f<Fut>(a: dyn F<Fut>) {} +//~^ ERROR the size for values of type `(dyn Fn() -> Fut + 'static)` cannot be known at compilation time + +fn main() {} diff --git a/tests/ui/traits/alias/dont-elaborate-non-self.stderr b/tests/ui/traits/alias/dont-elaborate-non-self.stderr new file mode 100644 index 00000000000..247a4f81280 --- /dev/null +++ b/tests/ui/traits/alias/dont-elaborate-non-self.stderr @@ -0,0 +1,20 @@ +error[E0277]: the size for values of type `(dyn Fn() -> Fut + 'static)` cannot be known at compilation time + --> $DIR/dont-elaborate-non-self.rs:7:11 + | +LL | fn f<Fut>(a: dyn F<Fut>) {} + | ^ doesn't have a size known at compile-time + | + = help: the trait `Sized` is not implemented for `(dyn Fn() -> Fut + 'static)` + = help: unsized fn params are gated as an unstable feature +help: you can use `impl Trait` as the argument type + | +LL | fn f<Fut>(a: impl F<Fut>) {} + | ~~~~ +help: function arguments must have a statically known size, borrowed types always have a known size + | +LL | fn f<Fut>(a: &dyn F<Fut>) {} + | + + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/traits/inductive-overflow/supertrait-auto-trait.stderr b/tests/ui/traits/inductive-overflow/supertrait-auto-trait.stderr index dc967d51298..e723c7c5181 100644 --- a/tests/ui/traits/inductive-overflow/supertrait-auto-trait.stderr +++ b/tests/ui/traits/inductive-overflow/supertrait-auto-trait.stderr @@ -26,7 +26,8 @@ LL | fn copy<T: Magic>(x: T) -> (T, T) { (x, x) } | ^^^^^ required by this bound in `copy` help: consider annotating `NoClone` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct NoClone; | error: aborting due to 2 previous errors diff --git a/tests/ui/traits/issue-71136.stderr b/tests/ui/traits/issue-71136.stderr index f541733929d..ef55796187e 100644 --- a/tests/ui/traits/issue-71136.stderr +++ b/tests/ui/traits/issue-71136.stderr @@ -11,7 +11,8 @@ LL | the_foos: Vec<Foo>, = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `Foo` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct Foo(u8); | error: aborting due to previous error diff --git a/tests/ui/traits/issue-78372.stderr b/tests/ui/traits/issue-78372.stderr index 8e7fd5f2557..ec692ff911d 100644 --- a/tests/ui/traits/issue-78372.stderr +++ b/tests/ui/traits/issue-78372.stderr @@ -6,7 +6,7 @@ LL | struct Smaht<T, MISC>(PhantomData); | help: consider importing this struct | -LL | use std::marker::PhantomData; +LL + use std::marker::PhantomData; | error[E0412]: cannot find type `U` in this scope diff --git a/tests/ui/traits/item-privacy.stderr b/tests/ui/traits/item-privacy.stderr index 04995b3a17b..f5381318925 100644 --- a/tests/ui/traits/item-privacy.stderr +++ b/tests/ui/traits/item-privacy.stderr @@ -29,7 +29,7 @@ LL | S.b(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use method::B; +LL + use method::B; | error[E0624]: method `a` is private @@ -69,7 +69,7 @@ LL | S::b(&S); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use method::B; +LL + use method::B; | error[E0624]: method `a` is private @@ -109,7 +109,7 @@ LL | S::B; = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use assoc_const::B; +LL + use assoc_const::B; | error[E0624]: associated constant `A` is private diff --git a/tests/ui/traits/method-private.stderr b/tests/ui/traits/method-private.stderr index 55656f21e00..e11799308c5 100644 --- a/tests/ui/traits/method-private.stderr +++ b/tests/ui/traits/method-private.stderr @@ -10,7 +10,7 @@ LL | foo.method(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use inner::Bar; +LL + use inner::Bar; | error: aborting due to previous error diff --git a/tests/ui/traits/new-solver/iter-filter-projection.rs b/tests/ui/traits/new-solver/iter-filter-projection.rs new file mode 100644 index 00000000000..8fb62323aa5 --- /dev/null +++ b/tests/ui/traits/new-solver/iter-filter-projection.rs @@ -0,0 +1,12 @@ +// compile-flags: -Ztrait-solver=next +// check-pass + +use std::{iter, slice}; + +struct Attr; + +fn test<'a, T: Iterator<Item = &'a Attr>>() {} + +fn main() { + test::<iter::Filter<slice::Iter<'_, Attr>, fn(&&Attr) -> bool>>(); +} diff --git a/tests/ui/traits/new-solver/recursive-self-normalization-2.rs b/tests/ui/traits/new-solver/recursive-self-normalization-2.rs index 7417d6018a1..8c029f5179d 100644 --- a/tests/ui/traits/new-solver/recursive-self-normalization-2.rs +++ b/tests/ui/traits/new-solver/recursive-self-normalization-2.rs @@ -13,7 +13,7 @@ fn needs_bar<S: Bar>() {} fn test<T: Foo1<Assoc1 = <T as Foo2>::Assoc2> + Foo2<Assoc2 = <T as Foo1>::Assoc1>>() { needs_bar::<T::Assoc1>(); - //~^ ERROR type annotations needed + //~^ ERROR overflow evaluating the requirement `<T as Foo1>::Assoc1: Bar` } fn main() {} diff --git a/tests/ui/traits/new-solver/recursive-self-normalization-2.stderr b/tests/ui/traits/new-solver/recursive-self-normalization-2.stderr index e3a92e85e17..139b0a45680 100644 --- a/tests/ui/traits/new-solver/recursive-self-normalization-2.stderr +++ b/tests/ui/traits/new-solver/recursive-self-normalization-2.stderr @@ -1,10 +1,10 @@ -error[E0283]: type annotations needed: cannot satisfy `<T as Foo1>::Assoc1: Bar` +error[E0275]: overflow evaluating the requirement `<T as Foo1>::Assoc1: Bar` --> $DIR/recursive-self-normalization-2.rs:15:5 | LL | needs_bar::<T::Assoc1>(); | ^^^^^^^^^^^^^^^^^^^^^^ | - = note: cannot satisfy `<T as Foo1>::Assoc1: Bar` + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`recursive_self_normalization_2`) note: required by a bound in `needs_bar` --> $DIR/recursive-self-normalization-2.rs:12:17 | @@ -13,4 +13,4 @@ LL | fn needs_bar<S: Bar>() {} error: aborting due to previous error -For more information about this error, try `rustc --explain E0283`. +For more information about this error, try `rustc --explain E0275`. diff --git a/tests/ui/traits/new-solver/recursive-self-normalization.rs b/tests/ui/traits/new-solver/recursive-self-normalization.rs index f3e3d71d813..06d187b5fdf 100644 --- a/tests/ui/traits/new-solver/recursive-self-normalization.rs +++ b/tests/ui/traits/new-solver/recursive-self-normalization.rs @@ -9,7 +9,7 @@ fn needs_bar<S: Bar>() {} fn test<T: Foo<Assoc = <T as Foo>::Assoc>>() { needs_bar::<T::Assoc>(); - //~^ ERROR type annotations needed + //~^ ERROR overflow evaluating the requirement `<T as Foo>::Assoc: Bar` } fn main() {} diff --git a/tests/ui/traits/new-solver/recursive-self-normalization.stderr b/tests/ui/traits/new-solver/recursive-self-normalization.stderr index 773007aebaa..8e9b9b4b4ce 100644 --- a/tests/ui/traits/new-solver/recursive-self-normalization.stderr +++ b/tests/ui/traits/new-solver/recursive-self-normalization.stderr @@ -1,10 +1,10 @@ -error[E0283]: type annotations needed: cannot satisfy `<T as Foo>::Assoc: Bar` +error[E0275]: overflow evaluating the requirement `<T as Foo>::Assoc: Bar` --> $DIR/recursive-self-normalization.rs:11:5 | LL | needs_bar::<T::Assoc>(); | ^^^^^^^^^^^^^^^^^^^^^ | - = note: cannot satisfy `<T as Foo>::Assoc: Bar` + = help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`recursive_self_normalization`) note: required by a bound in `needs_bar` --> $DIR/recursive-self-normalization.rs:8:17 | @@ -13,4 +13,4 @@ LL | fn needs_bar<S: Bar>() {} error: aborting due to previous error -For more information about this error, try `rustc --explain E0283`. +For more information about this error, try `rustc --explain E0275`. diff --git a/tests/ui/traits/non_lifetime_binders/missing-assoc-item.stderr b/tests/ui/traits/non_lifetime_binders/missing-assoc-item.stderr index be6955c111e..d985386423d 100644 --- a/tests/ui/traits/non_lifetime_binders/missing-assoc-item.stderr +++ b/tests/ui/traits/non_lifetime_binders/missing-assoc-item.stderr @@ -11,7 +11,12 @@ error[E0223]: ambiguous associated type --> $DIR/missing-assoc-item.rs:6:12 | LL | for<B> B::Item: Send, - | ^^^^^^^ help: use the fully-qualified path: `<B as IntoIterator>::Item` + | ^^^^^^^ + | +help: if there were a trait named `Example` with associated type `Item` implemented for `B`, you could use the fully-qualified path + | +LL | for<B> <B as Example>::Item: Send, + | ~~~~~~~~~~~~~~~~~~~~ error: aborting due to previous error; 1 warning emitted diff --git a/tests/ui/traits/trait-upcasting/alias-where-clause-isnt-supertrait.rs b/tests/ui/traits/trait-upcasting/alias-where-clause-isnt-supertrait.rs new file mode 100644 index 00000000000..4a5e445d1ef --- /dev/null +++ b/tests/ui/traits/trait-upcasting/alias-where-clause-isnt-supertrait.rs @@ -0,0 +1,33 @@ +#![feature(trait_upcasting)] +#![feature(trait_alias)] + +// Although we *elaborate* `T: Alias` to `i32: B`, we should +// not consider `B` to be a supertrait of the type. +trait Alias = A where i32: B; + +trait A {} + +trait B { + fn test(&self); +} + +trait C: Alias {} + +impl A for () {} + +impl C for () {} + +impl B for i32 { + fn test(&self) { + println!("hi {self}"); + } +} + +fn test(x: &dyn C) -> &dyn B { + x + //~^ ERROR mismatched types +} + +fn main() { + let x: &dyn C = &(); +} diff --git a/tests/ui/traits/trait-upcasting/alias-where-clause-isnt-supertrait.stderr b/tests/ui/traits/trait-upcasting/alias-where-clause-isnt-supertrait.stderr new file mode 100644 index 00000000000..5574a032089 --- /dev/null +++ b/tests/ui/traits/trait-upcasting/alias-where-clause-isnt-supertrait.stderr @@ -0,0 +1,14 @@ +error[E0308]: mismatched types + --> $DIR/alias-where-clause-isnt-supertrait.rs:27:5 + | +LL | fn test(x: &dyn C) -> &dyn B { + | ------ expected `&dyn B` because of return type +LL | x + | ^ expected trait `B`, found trait `C` + | + = note: expected reference `&dyn B` + found reference `&dyn C` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0308`. diff --git a/tests/ui/traits/trait-upcasting/cyclic-trait-resolution.stderr b/tests/ui/traits/trait-upcasting/cyclic-trait-resolution.stderr index 15faab16abe..ca98e183150 100644 --- a/tests/ui/traits/trait-upcasting/cyclic-trait-resolution.stderr +++ b/tests/ui/traits/trait-upcasting/cyclic-trait-resolution.stderr @@ -1,15 +1,10 @@ error[E0391]: cycle detected when computing the super predicates of `A` - --> $DIR/cyclic-trait-resolution.rs:1:1 - | -LL | trait A: B + A {} - | ^^^^^^^^^^^^^^ - | -note: ...which requires computing the super traits of `A`... --> $DIR/cyclic-trait-resolution.rs:1:14 | LL | trait A: B + A {} | ^ - = note: ...which again requires computing the super predicates of `A`, completing the cycle + | + = note: ...which immediately requires computing the super predicates of `A` again note: cycle used when collecting item types in top-level module --> $DIR/cyclic-trait-resolution.rs:1:1 | diff --git a/tests/ui/transmutability/arrays/should_require_well_defined_layout.stderr b/tests/ui/transmutability/arrays/should_require_well_defined_layout.stderr index 164e88ede20..1a0a5d3ae94 100644 --- a/tests/ui/transmutability/arrays/should_require_well_defined_layout.stderr +++ b/tests/ui/transmutability/arrays/should_require_well_defined_layout.stderr @@ -1,10 +1,9 @@ -error[E0277]: `[String; 0]` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `[String; 0]` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:26:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `[String; 0]` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `[String; 0]` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<[String; 0], assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -20,13 +19,12 @@ LL | | .and(Assume::VALIDITY) LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `[String; 0]` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `[String; 0]` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:27:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `[String; 0]` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `[String; 0]` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `[String; 0]` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -42,13 +40,12 @@ LL | | .and(Assume::VALIDITY) LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `[String; 1]` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `[String; 1]` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:32:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `[String; 1]` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `[String; 1]` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<[String; 1], assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -64,13 +61,12 @@ LL | | .and(Assume::VALIDITY) LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `[String; 1]` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `[String; 1]` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:33:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `[String; 1]` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `[String; 1]` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `[String; 1]` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -86,13 +82,12 @@ LL | | .and(Assume::VALIDITY) LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `[String; 2]` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `[String; 2]` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:38:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `[String; 2]` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `[String; 2]` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<[String; 2], assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -108,13 +103,12 @@ LL | | .and(Assume::VALIDITY) LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `[String; 2]` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `[String; 2]` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:39:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `[String; 2]` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `[String; 2]` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `[String; 2]` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | diff --git a/tests/ui/transmutability/enums/repr/primitive_reprs_should_have_correct_length.stderr b/tests/ui/transmutability/enums/repr/primitive_reprs_should_have_correct_length.stderr index 0f0f77f1683..9877a6606a9 100644 --- a/tests/ui/transmutability/enums/repr/primitive_reprs_should_have_correct_length.stderr +++ b/tests/ui/transmutability/enums/repr/primitive_reprs_should_have_correct_length.stderr @@ -1,10 +1,9 @@ -error[E0277]: `Zst` cannot be safely transmuted into `V0i8` in the defining scope of `n8::Context`. +error[E0277]: `Zst` cannot be safely transmuted into `V0i8` in the defining scope of `n8::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:48:44 | LL | assert::is_transmutable::<Smaller, Current, Context>(); - | ^^^^^^^ `Zst` cannot be safely transmuted into `V0i8` in the defining scope of `n8::Context`. + | ^^^^^^^ The size of `Zst` is smaller than the size of `V0i8` | - = help: the trait `BikeshedIntrinsicFrom<Zst, n8::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `V0i8` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -21,13 +20,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `V0i8` cannot be safely transmuted into `u16` in the defining scope of `n8::Context`. +error[E0277]: `V0i8` cannot be safely transmuted into `u16` in the defining scope of `n8::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:50:44 | LL | assert::is_transmutable::<Current, Larger, Context>(); - | ^^^^^^ `V0i8` cannot be safely transmuted into `u16` in the defining scope of `n8::Context`. + | ^^^^^^ The size of `V0i8` is smaller than the size of `u16` | - = help: the trait `BikeshedIntrinsicFrom<V0i8, n8::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `u16` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -44,13 +42,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `Zst` cannot be safely transmuted into `V0u8` in the defining scope of `n8::Context`. +error[E0277]: `Zst` cannot be safely transmuted into `V0u8` in the defining scope of `n8::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:56:44 | LL | assert::is_transmutable::<Smaller, Current, Context>(); - | ^^^^^^^ `Zst` cannot be safely transmuted into `V0u8` in the defining scope of `n8::Context`. + | ^^^^^^^ The size of `Zst` is smaller than the size of `V0u8` | - = help: the trait `BikeshedIntrinsicFrom<Zst, n8::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `V0u8` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -67,13 +64,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `V0u8` cannot be safely transmuted into `u16` in the defining scope of `n8::Context`. +error[E0277]: `V0u8` cannot be safely transmuted into `u16` in the defining scope of `n8::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:58:44 | LL | assert::is_transmutable::<Current, Larger, Context>(); - | ^^^^^^ `V0u8` cannot be safely transmuted into `u16` in the defining scope of `n8::Context`. + | ^^^^^^ The size of `V0u8` is smaller than the size of `u16` | - = help: the trait `BikeshedIntrinsicFrom<V0u8, n8::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `u16` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -90,13 +86,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `V0i16` in the defining scope of `n16::Context`. +error[E0277]: `u8` cannot be safely transmuted into `V0i16` in the defining scope of `n16::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:72:44 | LL | assert::is_transmutable::<Smaller, Current, Context>(); - | ^^^^^^^ `u8` cannot be safely transmuted into `V0i16` in the defining scope of `n16::Context`. + | ^^^^^^^ At least one value of `u8` isn't a bit-valid value of `V0i16` | - = help: the trait `BikeshedIntrinsicFrom<u8, n16::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `V0i16` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -113,13 +108,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `V0i16` cannot be safely transmuted into `u32` in the defining scope of `n16::Context`. +error[E0277]: `V0i16` cannot be safely transmuted into `u32` in the defining scope of `n16::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:74:44 | LL | assert::is_transmutable::<Current, Larger, Context>(); - | ^^^^^^ `V0i16` cannot be safely transmuted into `u32` in the defining scope of `n16::Context`. + | ^^^^^^ The size of `V0i16` is smaller than the size of `u32` | - = help: the trait `BikeshedIntrinsicFrom<V0i16, n16::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `u32` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -136,13 +130,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `V0u16` in the defining scope of `n16::Context`. +error[E0277]: `u8` cannot be safely transmuted into `V0u16` in the defining scope of `n16::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:80:44 | LL | assert::is_transmutable::<Smaller, Current, Context>(); - | ^^^^^^^ `u8` cannot be safely transmuted into `V0u16` in the defining scope of `n16::Context`. + | ^^^^^^^ At least one value of `u8` isn't a bit-valid value of `V0u16` | - = help: the trait `BikeshedIntrinsicFrom<u8, n16::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `V0u16` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -159,13 +152,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `V0u16` cannot be safely transmuted into `u32` in the defining scope of `n16::Context`. +error[E0277]: `V0u16` cannot be safely transmuted into `u32` in the defining scope of `n16::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:82:44 | LL | assert::is_transmutable::<Current, Larger, Context>(); - | ^^^^^^ `V0u16` cannot be safely transmuted into `u32` in the defining scope of `n16::Context`. + | ^^^^^^ The size of `V0u16` is smaller than the size of `u32` | - = help: the trait `BikeshedIntrinsicFrom<V0u16, n16::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `u32` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -182,13 +174,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `V0i32` in the defining scope of `n32::Context`. +error[E0277]: `u16` cannot be safely transmuted into `V0i32` in the defining scope of `n32::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:96:44 | LL | assert::is_transmutable::<Smaller, Current, Context>(); - | ^^^^^^^ `u16` cannot be safely transmuted into `V0i32` in the defining scope of `n32::Context`. + | ^^^^^^^ At least one value of `u16` isn't a bit-valid value of `V0i32` | - = help: the trait `BikeshedIntrinsicFrom<u16, n32::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `V0i32` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -205,13 +196,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `V0i32` cannot be safely transmuted into `u64` in the defining scope of `n32::Context`. +error[E0277]: `V0i32` cannot be safely transmuted into `u64` in the defining scope of `n32::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:98:44 | LL | assert::is_transmutable::<Current, Larger, Context>(); - | ^^^^^^ `V0i32` cannot be safely transmuted into `u64` in the defining scope of `n32::Context`. + | ^^^^^^ The size of `V0i32` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<V0i32, n32::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -228,13 +218,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `V0u32` in the defining scope of `n32::Context`. +error[E0277]: `u16` cannot be safely transmuted into `V0u32` in the defining scope of `n32::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:104:44 | LL | assert::is_transmutable::<Smaller, Current, Context>(); - | ^^^^^^^ `u16` cannot be safely transmuted into `V0u32` in the defining scope of `n32::Context`. + | ^^^^^^^ At least one value of `u16` isn't a bit-valid value of `V0u32` | - = help: the trait `BikeshedIntrinsicFrom<u16, n32::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `V0u32` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -251,13 +240,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `V0u32` cannot be safely transmuted into `u64` in the defining scope of `n32::Context`. +error[E0277]: `V0u32` cannot be safely transmuted into `u64` in the defining scope of `n32::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:106:44 | LL | assert::is_transmutable::<Current, Larger, Context>(); - | ^^^^^^ `V0u32` cannot be safely transmuted into `u64` in the defining scope of `n32::Context`. + | ^^^^^^ The size of `V0u32` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<V0u32, n32::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -274,13 +262,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `V0i64` in the defining scope of `n64::Context`. +error[E0277]: `u32` cannot be safely transmuted into `V0i64` in the defining scope of `n64::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:120:44 | LL | assert::is_transmutable::<Smaller, Current, Context>(); - | ^^^^^^^ `u32` cannot be safely transmuted into `V0i64` in the defining scope of `n64::Context`. + | ^^^^^^^ At least one value of `u32` isn't a bit-valid value of `V0i64` | - = help: the trait `BikeshedIntrinsicFrom<u32, n64::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `V0i64` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -297,13 +284,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `V0i64` cannot be safely transmuted into `u128` in the defining scope of `n64::Context`. +error[E0277]: `V0i64` cannot be safely transmuted into `u128` in the defining scope of `n64::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:122:44 | LL | assert::is_transmutable::<Current, Larger, Context>(); - | ^^^^^^ `V0i64` cannot be safely transmuted into `u128` in the defining scope of `n64::Context`. + | ^^^^^^ The size of `V0i64` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<V0i64, n64::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -320,13 +306,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `V0u64` in the defining scope of `n64::Context`. +error[E0277]: `u32` cannot be safely transmuted into `V0u64` in the defining scope of `n64::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:128:44 | LL | assert::is_transmutable::<Smaller, Current, Context>(); - | ^^^^^^^ `u32` cannot be safely transmuted into `V0u64` in the defining scope of `n64::Context`. + | ^^^^^^^ At least one value of `u32` isn't a bit-valid value of `V0u64` | - = help: the trait `BikeshedIntrinsicFrom<u32, n64::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `V0u64` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -343,13 +328,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `V0u64` cannot be safely transmuted into `u128` in the defining scope of `n64::Context`. +error[E0277]: `V0u64` cannot be safely transmuted into `u128` in the defining scope of `n64::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:130:44 | LL | assert::is_transmutable::<Current, Larger, Context>(); - | ^^^^^^ `V0u64` cannot be safely transmuted into `u128` in the defining scope of `n64::Context`. + | ^^^^^^ The size of `V0u64` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<V0u64, n64::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -366,13 +350,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `V0isize` in the defining scope of `nsize::Context`. +error[E0277]: `u8` cannot be safely transmuted into `V0isize` in the defining scope of `nsize::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:144:44 | LL | assert::is_transmutable::<Smaller, Current, Context>(); - | ^^^^^^^ `u8` cannot be safely transmuted into `V0isize` in the defining scope of `nsize::Context`. + | ^^^^^^^ At least one value of `u8` isn't a bit-valid value of `V0isize` | - = help: the trait `BikeshedIntrinsicFrom<u8, nsize::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `V0isize` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -389,13 +372,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `V0isize` cannot be safely transmuted into `[usize; 2]` in the defining scope of `nsize::Context`. +error[E0277]: `V0isize` cannot be safely transmuted into `[usize; 2]` in the defining scope of `nsize::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:146:44 | LL | assert::is_transmutable::<Current, Larger, Context>(); - | ^^^^^^ `V0isize` cannot be safely transmuted into `[usize; 2]` in the defining scope of `nsize::Context`. + | ^^^^^^ The size of `V0isize` is smaller than the size of `[usize; 2]` | - = help: the trait `BikeshedIntrinsicFrom<V0isize, nsize::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `[usize; 2]` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -412,13 +394,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `V0usize` in the defining scope of `nsize::Context`. +error[E0277]: `u8` cannot be safely transmuted into `V0usize` in the defining scope of `nsize::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:152:44 | LL | assert::is_transmutable::<Smaller, Current, Context>(); - | ^^^^^^^ `u8` cannot be safely transmuted into `V0usize` in the defining scope of `nsize::Context`. + | ^^^^^^^ At least one value of `u8` isn't a bit-valid value of `V0usize` | - = help: the trait `BikeshedIntrinsicFrom<u8, nsize::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `V0usize` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | @@ -435,13 +416,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_transmutable` -error[E0277]: `V0usize` cannot be safely transmuted into `[usize; 2]` in the defining scope of `nsize::Context`. +error[E0277]: `V0usize` cannot be safely transmuted into `[usize; 2]` in the defining scope of `nsize::Context` --> $DIR/primitive_reprs_should_have_correct_length.rs:154:44 | LL | assert::is_transmutable::<Current, Larger, Context>(); - | ^^^^^^ `V0usize` cannot be safely transmuted into `[usize; 2]` in the defining scope of `nsize::Context`. + | ^^^^^^ The size of `V0usize` is smaller than the size of `[usize; 2]` | - = help: the trait `BikeshedIntrinsicFrom<V0usize, nsize::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `[usize; 2]` note: required by a bound in `is_transmutable` --> $DIR/primitive_reprs_should_have_correct_length.rs:12:14 | diff --git a/tests/ui/transmutability/enums/repr/should_require_well_defined_layout.stderr b/tests/ui/transmutability/enums/repr/should_require_well_defined_layout.stderr index d456a746f5e..1612b6b3661 100644 --- a/tests/ui/transmutability/enums/repr/should_require_well_defined_layout.stderr +++ b/tests/ui/transmutability/enums/repr/should_require_well_defined_layout.stderr @@ -1,10 +1,9 @@ -error[E0277]: `void::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `void::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:28:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `void::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `void::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<void::repr_rust, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | @@ -21,13 +20,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `void::repr_rust` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `void::repr_rust` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:29:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `void::repr_rust` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `void::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `void::repr_rust` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | @@ -44,13 +42,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `singleton::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `singleton::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:34:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `singleton::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `singleton::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<singleton::repr_rust, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | @@ -67,13 +64,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `singleton::repr_rust` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `singleton::repr_rust` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:35:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `singleton::repr_rust` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `singleton::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `singleton::repr_rust` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | @@ -90,13 +86,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `duplex::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `duplex::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:40:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `duplex::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `duplex::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<duplex::repr_rust, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | @@ -113,13 +108,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `duplex::repr_rust` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `duplex::repr_rust` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:41:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `duplex::repr_rust` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `duplex::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `duplex::repr_rust` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:14:14 | diff --git a/tests/ui/transmutability/enums/should_pad_variants.stderr b/tests/ui/transmutability/enums/should_pad_variants.stderr index f4988239df9..bfbef8b25fc 100644 --- a/tests/ui/transmutability/enums/should_pad_variants.stderr +++ b/tests/ui/transmutability/enums/should_pad_variants.stderr @@ -1,10 +1,9 @@ -error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `should_pad_variants::Context`. +error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `should_pad_variants::Context` --> $DIR/should_pad_variants.rs:44:36 | LL | assert::is_transmutable::<Src, Dst, Context>(); - | ^^^ `Src` cannot be safely transmuted into `Dst` in the defining scope of `should_pad_variants::Context`. + | ^^^ The size of `Src` is smaller than the size of `Dst` | - = help: the trait `BikeshedIntrinsicFrom<Src, should_pad_variants::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `Dst` note: required by a bound in `is_transmutable` --> $DIR/should_pad_variants.rs:13:14 | diff --git a/tests/ui/transmutability/enums/should_respect_endianness.stderr b/tests/ui/transmutability/enums/should_respect_endianness.stderr index 350583b0b85..e59301a8ce9 100644 --- a/tests/ui/transmutability/enums/should_respect_endianness.stderr +++ b/tests/ui/transmutability/enums/should_respect_endianness.stderr @@ -1,10 +1,9 @@ -error[E0277]: `Src` cannot be safely transmuted into `Unexpected` in the defining scope of `assert::Context`. +error[E0277]: `Src` cannot be safely transmuted into `Unexpected` in the defining scope of `assert::Context` --> $DIR/should_respect_endianness.rs:36:36 | LL | assert::is_transmutable::<Src, Unexpected>(); - | ^^^^^^^^^^ `Src` cannot be safely transmuted into `Unexpected` in the defining scope of `assert::Context`. + | ^^^^^^^^^^ At least one value of `Src` isn't a bit-valid value of `Unexpected` | - = help: the trait `BikeshedIntrinsicFrom<Src, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `Unexpected` note: required by a bound in `is_transmutable` --> $DIR/should_respect_endianness.rs:14:14 | diff --git a/tests/ui/transmutability/primitives/bool.current.stderr b/tests/ui/transmutability/primitives/bool.current.stderr index 999302224ee..47c8438a251 100644 --- a/tests/ui/transmutability/primitives/bool.current.stderr +++ b/tests/ui/transmutability/primitives/bool.current.stderr @@ -1,10 +1,9 @@ -error[E0277]: `u8` cannot be safely transmuted into `bool` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `bool` in the defining scope of `assert::Context` --> $DIR/bool.rs:24:35 | LL | assert::is_transmutable::<u8, bool>(); - | ^^^^ `u8` cannot be safely transmuted into `bool` in the defining scope of `assert::Context`. + | ^^^^ At least one value of `u8` isn't a bit-valid value of `bool` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: true, validity: false }>` is not implemented for `bool` note: required by a bound in `is_transmutable` --> $DIR/bool.rs:14:14 | diff --git a/tests/ui/transmutability/primitives/bool.next.stderr b/tests/ui/transmutability/primitives/bool.next.stderr index 999302224ee..47c8438a251 100644 --- a/tests/ui/transmutability/primitives/bool.next.stderr +++ b/tests/ui/transmutability/primitives/bool.next.stderr @@ -1,10 +1,9 @@ -error[E0277]: `u8` cannot be safely transmuted into `bool` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `bool` in the defining scope of `assert::Context` --> $DIR/bool.rs:24:35 | LL | assert::is_transmutable::<u8, bool>(); - | ^^^^ `u8` cannot be safely transmuted into `bool` in the defining scope of `assert::Context`. + | ^^^^ At least one value of `u8` isn't a bit-valid value of `bool` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: true, validity: false }>` is not implemented for `bool` note: required by a bound in `is_transmutable` --> $DIR/bool.rs:14:14 | diff --git a/tests/ui/transmutability/primitives/numbers.current.stderr b/tests/ui/transmutability/primitives/numbers.current.stderr index bbf1f166999..d12e172971c 100644 --- a/tests/ui/transmutability/primitives/numbers.current.stderr +++ b/tests/ui/transmutability/primitives/numbers.current.stderr @@ -1,10 +1,9 @@ -error[E0277]: `i8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context` --> $DIR/numbers.rs:65:40 | LL | assert::is_transmutable::< i8, i16>(); - | ^^^ `i8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `i16` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i16` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -14,13 +13,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context` --> $DIR/numbers.rs:66:40 | LL | assert::is_transmutable::< i8, u16>(); - | ^^^ `i8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `u16` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u16` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -30,13 +28,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:67:40 | LL | assert::is_transmutable::< i8, i32>(); - | ^^^ `i8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `i32` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -46,13 +43,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:68:40 | LL | assert::is_transmutable::< i8, f32>(); - | ^^^ `i8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `f32` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -62,13 +58,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:69:40 | LL | assert::is_transmutable::< i8, u32>(); - | ^^^ `i8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `u32` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -78,13 +73,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:70:40 | LL | assert::is_transmutable::< i8, u64>(); - | ^^^ `i8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -94,13 +88,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:71:40 | LL | assert::is_transmutable::< i8, i64>(); - | ^^^ `i8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -110,13 +103,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:72:40 | LL | assert::is_transmutable::< i8, f64>(); - | ^^^ `i8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -126,13 +118,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:73:39 | LL | assert::is_transmutable::< i8, u128>(); - | ^^^^ `i8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i8` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -142,13 +133,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:74:39 | LL | assert::is_transmutable::< i8, i128>(); - | ^^^^ `i8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i8` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -158,13 +148,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context` --> $DIR/numbers.rs:76:40 | LL | assert::is_transmutable::< u8, i16>(); - | ^^^ `u8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `i16` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i16` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -174,13 +163,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context` --> $DIR/numbers.rs:77:40 | LL | assert::is_transmutable::< u8, u16>(); - | ^^^ `u8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `u16` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u16` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -190,13 +178,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:78:40 | LL | assert::is_transmutable::< u8, i32>(); - | ^^^ `u8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `i32` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -206,13 +193,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:79:40 | LL | assert::is_transmutable::< u8, f32>(); - | ^^^ `u8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `f32` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -222,13 +208,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:80:40 | LL | assert::is_transmutable::< u8, u32>(); - | ^^^ `u8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `u32` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -238,13 +223,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:81:40 | LL | assert::is_transmutable::< u8, u64>(); - | ^^^ `u8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -254,13 +238,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:82:40 | LL | assert::is_transmutable::< u8, i64>(); - | ^^^ `u8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -270,13 +253,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:83:40 | LL | assert::is_transmutable::< u8, f64>(); - | ^^^ `u8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -286,13 +268,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:84:39 | LL | assert::is_transmutable::< u8, u128>(); - | ^^^^ `u8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u8` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -302,13 +283,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:85:39 | LL | assert::is_transmutable::< u8, i128>(); - | ^^^^ `u8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u8` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -318,13 +298,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:87:40 | LL | assert::is_transmutable::< i16, i32>(); - | ^^^ `i16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `i32` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -334,13 +313,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:88:40 | LL | assert::is_transmutable::< i16, f32>(); - | ^^^ `i16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `f32` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -350,13 +328,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:89:40 | LL | assert::is_transmutable::< i16, u32>(); - | ^^^ `i16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `u32` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -366,13 +343,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:90:40 | LL | assert::is_transmutable::< i16, u64>(); - | ^^^ `i16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -382,13 +358,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:91:40 | LL | assert::is_transmutable::< i16, i64>(); - | ^^^ `i16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -398,13 +373,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:92:40 | LL | assert::is_transmutable::< i16, f64>(); - | ^^^ `i16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -414,13 +388,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:93:39 | LL | assert::is_transmutable::< i16, u128>(); - | ^^^^ `i16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i16` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -430,13 +403,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:94:39 | LL | assert::is_transmutable::< i16, i128>(); - | ^^^^ `i16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i16` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -446,13 +418,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:96:40 | LL | assert::is_transmutable::< u16, i32>(); - | ^^^ `u16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `i32` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -462,13 +433,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:97:40 | LL | assert::is_transmutable::< u16, f32>(); - | ^^^ `u16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `f32` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -478,13 +448,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:98:40 | LL | assert::is_transmutable::< u16, u32>(); - | ^^^ `u16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `u32` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -494,13 +463,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:99:40 | LL | assert::is_transmutable::< u16, u64>(); - | ^^^ `u16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -510,13 +478,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:100:40 | LL | assert::is_transmutable::< u16, i64>(); - | ^^^ `u16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -526,13 +493,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:101:40 | LL | assert::is_transmutable::< u16, f64>(); - | ^^^ `u16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -542,13 +508,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:102:39 | LL | assert::is_transmutable::< u16, u128>(); - | ^^^^ `u16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u16` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -558,13 +523,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:103:39 | LL | assert::is_transmutable::< u16, i128>(); - | ^^^^ `u16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u16` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -574,13 +538,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `i32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:105:40 | LL | assert::is_transmutable::< i32, u64>(); - | ^^^ `i32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `i32` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<i32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -590,13 +553,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `i32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:106:40 | LL | assert::is_transmutable::< i32, i64>(); - | ^^^ `i32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `i32` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<i32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -606,13 +568,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `i32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:107:40 | LL | assert::is_transmutable::< i32, f64>(); - | ^^^ `i32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `i32` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<i32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -622,13 +583,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `i32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:108:39 | LL | assert::is_transmutable::< i32, u128>(); - | ^^^^ `i32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i32` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<i32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -638,13 +598,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `i32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:109:39 | LL | assert::is_transmutable::< i32, i128>(); - | ^^^^ `i32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i32` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<i32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -654,13 +613,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `f32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:111:40 | LL | assert::is_transmutable::< f32, u64>(); - | ^^^ `f32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `f32` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<f32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -670,13 +628,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `f32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:112:40 | LL | assert::is_transmutable::< f32, i64>(); - | ^^^ `f32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `f32` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<f32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -686,13 +643,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `f32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:113:40 | LL | assert::is_transmutable::< f32, f64>(); - | ^^^ `f32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `f32` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<f32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -702,13 +658,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `f32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:114:39 | LL | assert::is_transmutable::< f32, u128>(); - | ^^^^ `f32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `f32` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<f32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -718,13 +673,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `f32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:115:39 | LL | assert::is_transmutable::< f32, i128>(); - | ^^^^ `f32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `f32` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<f32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -734,13 +688,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `u32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:117:40 | LL | assert::is_transmutable::< u32, u64>(); - | ^^^ `u32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `u32` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<u32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -750,13 +703,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `u32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:118:40 | LL | assert::is_transmutable::< u32, i64>(); - | ^^^ `u32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `u32` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<u32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -766,13 +718,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `u32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:119:40 | LL | assert::is_transmutable::< u32, f64>(); - | ^^^ `u32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `u32` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<u32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -782,13 +733,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `u32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:120:39 | LL | assert::is_transmutable::< u32, u128>(); - | ^^^^ `u32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u32` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<u32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -798,13 +748,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `u32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:121:39 | LL | assert::is_transmutable::< u32, i128>(); - | ^^^^ `u32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u32` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<u32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -814,13 +763,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `u64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:123:39 | LL | assert::is_transmutable::< u64, u128>(); - | ^^^^ `u64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u64` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<u64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -830,13 +778,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `u64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:124:39 | LL | assert::is_transmutable::< u64, i128>(); - | ^^^^ `u64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u64` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<u64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -846,13 +793,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `i64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:126:39 | LL | assert::is_transmutable::< i64, u128>(); - | ^^^^ `i64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i64` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<i64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -862,13 +808,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `i64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:127:39 | LL | assert::is_transmutable::< i64, i128>(); - | ^^^^ `i64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i64` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<i64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -878,13 +823,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `f64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:129:39 | LL | assert::is_transmutable::< f64, u128>(); - | ^^^^ `f64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `f64` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<f64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -894,13 +838,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `f64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:130:39 | LL | assert::is_transmutable::< f64, i128>(); - | ^^^^ `f64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `f64` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<f64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | diff --git a/tests/ui/transmutability/primitives/numbers.next.stderr b/tests/ui/transmutability/primitives/numbers.next.stderr index bbf1f166999..d12e172971c 100644 --- a/tests/ui/transmutability/primitives/numbers.next.stderr +++ b/tests/ui/transmutability/primitives/numbers.next.stderr @@ -1,10 +1,9 @@ -error[E0277]: `i8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context` --> $DIR/numbers.rs:65:40 | LL | assert::is_transmutable::< i8, i16>(); - | ^^^ `i8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `i16` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i16` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -14,13 +13,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context` --> $DIR/numbers.rs:66:40 | LL | assert::is_transmutable::< i8, u16>(); - | ^^^ `i8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `u16` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u16` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -30,13 +28,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:67:40 | LL | assert::is_transmutable::< i8, i32>(); - | ^^^ `i8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `i32` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -46,13 +43,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:68:40 | LL | assert::is_transmutable::< i8, f32>(); - | ^^^ `i8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `f32` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -62,13 +58,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:69:40 | LL | assert::is_transmutable::< i8, u32>(); - | ^^^ `i8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `u32` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -78,13 +73,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:70:40 | LL | assert::is_transmutable::< i8, u64>(); - | ^^^ `i8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -94,13 +88,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:71:40 | LL | assert::is_transmutable::< i8, i64>(); - | ^^^ `i8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -110,13 +103,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:72:40 | LL | assert::is_transmutable::< i8, f64>(); - | ^^^ `i8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `i8` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -126,13 +118,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:73:39 | LL | assert::is_transmutable::< i8, u128>(); - | ^^^^ `i8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i8` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -142,13 +133,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `i8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:74:39 | LL | assert::is_transmutable::< i8, i128>(); - | ^^^^ `i8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i8` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<i8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -158,13 +148,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context` --> $DIR/numbers.rs:76:40 | LL | assert::is_transmutable::< u8, i16>(); - | ^^^ `u8` cannot be safely transmuted into `i16` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `i16` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i16` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -174,13 +163,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context` --> $DIR/numbers.rs:77:40 | LL | assert::is_transmutable::< u8, u16>(); - | ^^^ `u8` cannot be safely transmuted into `u16` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `u16` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u16` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -190,13 +178,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:78:40 | LL | assert::is_transmutable::< u8, i32>(); - | ^^^ `u8` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `i32` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -206,13 +193,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:79:40 | LL | assert::is_transmutable::< u8, f32>(); - | ^^^ `u8` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `f32` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -222,13 +208,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:80:40 | LL | assert::is_transmutable::< u8, u32>(); - | ^^^ `u8` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `u32` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -238,13 +223,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:81:40 | LL | assert::is_transmutable::< u8, u64>(); - | ^^^ `u8` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -254,13 +238,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:82:40 | LL | assert::is_transmutable::< u8, i64>(); - | ^^^ `u8` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -270,13 +253,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:83:40 | LL | assert::is_transmutable::< u8, f64>(); - | ^^^ `u8` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `u8` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -286,13 +268,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:84:39 | LL | assert::is_transmutable::< u8, u128>(); - | ^^^^ `u8` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u8` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -302,13 +283,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `u8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:85:39 | LL | assert::is_transmutable::< u8, i128>(); - | ^^^^ `u8` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u8` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<u8, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -318,13 +298,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:87:40 | LL | assert::is_transmutable::< i16, i32>(); - | ^^^ `i16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `i32` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -334,13 +313,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:88:40 | LL | assert::is_transmutable::< i16, f32>(); - | ^^^ `i16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `f32` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -350,13 +328,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:89:40 | LL | assert::is_transmutable::< i16, u32>(); - | ^^^ `i16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `u32` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -366,13 +343,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:90:40 | LL | assert::is_transmutable::< i16, u64>(); - | ^^^ `i16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -382,13 +358,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:91:40 | LL | assert::is_transmutable::< i16, i64>(); - | ^^^ `i16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -398,13 +373,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:92:40 | LL | assert::is_transmutable::< i16, f64>(); - | ^^^ `i16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `i16` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -414,13 +388,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:93:39 | LL | assert::is_transmutable::< i16, u128>(); - | ^^^^ `i16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i16` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -430,13 +403,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `i16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:94:39 | LL | assert::is_transmutable::< i16, i128>(); - | ^^^^ `i16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i16` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<i16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -446,13 +418,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:96:40 | LL | assert::is_transmutable::< u16, i32>(); - | ^^^ `u16` cannot be safely transmuted into `i32` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `i32` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -462,13 +433,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:97:40 | LL | assert::is_transmutable::< u16, f32>(); - | ^^^ `u16` cannot be safely transmuted into `f32` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `f32` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -478,13 +448,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context` --> $DIR/numbers.rs:98:40 | LL | assert::is_transmutable::< u16, u32>(); - | ^^^ `u16` cannot be safely transmuted into `u32` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `u32` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u32` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -494,13 +463,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:99:40 | LL | assert::is_transmutable::< u16, u64>(); - | ^^^ `u16` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -510,13 +478,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:100:40 | LL | assert::is_transmutable::< u16, i64>(); - | ^^^ `u16` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -526,13 +493,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:101:40 | LL | assert::is_transmutable::< u16, f64>(); - | ^^^ `u16` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `u16` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -542,13 +508,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:102:39 | LL | assert::is_transmutable::< u16, u128>(); - | ^^^^ `u16` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u16` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -558,13 +523,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `u16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:103:39 | LL | assert::is_transmutable::< u16, i128>(); - | ^^^^ `u16` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u16` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<u16, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -574,13 +538,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `i32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:105:40 | LL | assert::is_transmutable::< i32, u64>(); - | ^^^ `i32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `i32` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<i32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -590,13 +553,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `i32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:106:40 | LL | assert::is_transmutable::< i32, i64>(); - | ^^^ `i32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `i32` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<i32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -606,13 +568,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `i32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:107:40 | LL | assert::is_transmutable::< i32, f64>(); - | ^^^ `i32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `i32` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<i32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -622,13 +583,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `i32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:108:39 | LL | assert::is_transmutable::< i32, u128>(); - | ^^^^ `i32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i32` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<i32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -638,13 +598,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `i32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:109:39 | LL | assert::is_transmutable::< i32, i128>(); - | ^^^^ `i32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i32` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<i32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -654,13 +613,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `f32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:111:40 | LL | assert::is_transmutable::< f32, u64>(); - | ^^^ `f32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `f32` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<f32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -670,13 +628,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `f32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:112:40 | LL | assert::is_transmutable::< f32, i64>(); - | ^^^ `f32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `f32` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<f32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -686,13 +643,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `f32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:113:40 | LL | assert::is_transmutable::< f32, f64>(); - | ^^^ `f32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `f32` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<f32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -702,13 +658,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `f32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:114:39 | LL | assert::is_transmutable::< f32, u128>(); - | ^^^^ `f32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `f32` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<f32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -718,13 +673,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `f32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:115:39 | LL | assert::is_transmutable::< f32, i128>(); - | ^^^^ `f32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `f32` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<f32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -734,13 +688,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. +error[E0277]: `u32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:117:40 | LL | assert::is_transmutable::< u32, u64>(); - | ^^^ `u32` cannot be safely transmuted into `u64` in the defining scope of `assert::Context`. + | ^^^ The size of `u32` is smaller than the size of `u64` | - = help: the trait `BikeshedIntrinsicFrom<u32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -750,13 +703,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. +error[E0277]: `u32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:118:40 | LL | assert::is_transmutable::< u32, i64>(); - | ^^^ `u32` cannot be safely transmuted into `i64` in the defining scope of `assert::Context`. + | ^^^ The size of `u32` is smaller than the size of `i64` | - = help: the trait `BikeshedIntrinsicFrom<u32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -766,13 +718,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. +error[E0277]: `u32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context` --> $DIR/numbers.rs:119:40 | LL | assert::is_transmutable::< u32, f64>(); - | ^^^ `u32` cannot be safely transmuted into `f64` in the defining scope of `assert::Context`. + | ^^^ The size of `u32` is smaller than the size of `f64` | - = help: the trait `BikeshedIntrinsicFrom<u32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `f64` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -782,13 +733,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `u32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:120:39 | LL | assert::is_transmutable::< u32, u128>(); - | ^^^^ `u32` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u32` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<u32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -798,13 +748,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `u32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:121:39 | LL | assert::is_transmutable::< u32, i128>(); - | ^^^^ `u32` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u32` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<u32, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -814,13 +763,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `u64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:123:39 | LL | assert::is_transmutable::< u64, u128>(); - | ^^^^ `u64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u64` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<u64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -830,13 +778,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `u64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `u64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:124:39 | LL | assert::is_transmutable::< u64, i128>(); - | ^^^^ `u64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `u64` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<u64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -846,13 +793,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `i64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:126:39 | LL | assert::is_transmutable::< i64, u128>(); - | ^^^^ `i64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i64` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<i64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -862,13 +808,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `i64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `i64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:127:39 | LL | assert::is_transmutable::< i64, i128>(); - | ^^^^ `i64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `i64` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<i64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -878,13 +823,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. +error[E0277]: `f64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:129:39 | LL | assert::is_transmutable::< f64, u128>(); - | ^^^^ `f64` cannot be safely transmuted into `u128` in the defining scope of `assert::Context`. + | ^^^^ The size of `f64` is smaller than the size of `u128` | - = help: the trait `BikeshedIntrinsicFrom<f64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `u128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | @@ -894,13 +838,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `f64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. +error[E0277]: `f64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context` --> $DIR/numbers.rs:130:39 | LL | assert::is_transmutable::< f64, i128>(); - | ^^^^ `f64` cannot be safely transmuted into `i128` in the defining scope of `assert::Context`. + | ^^^^ The size of `f64` is smaller than the size of `i128` | - = help: the trait `BikeshedIntrinsicFrom<f64, assert::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `i128` note: required by a bound in `is_transmutable` --> $DIR/numbers.rs:15:14 | diff --git a/tests/ui/transmutability/primitives/unit.current.stderr b/tests/ui/transmutability/primitives/unit.current.stderr index c20355e16f5..c49eb6097bd 100644 --- a/tests/ui/transmutability/primitives/unit.current.stderr +++ b/tests/ui/transmutability/primitives/unit.current.stderr @@ -1,10 +1,9 @@ -error[E0277]: `()` cannot be safely transmuted into `u8` in the defining scope of `should_have_correct_size::Context`. +error[E0277]: `()` cannot be safely transmuted into `u8` in the defining scope of `should_have_correct_size::Context` --> $DIR/unit.rs:31:35 | LL | assert::is_transmutable::<(), u8, Context>(); - | ^^ `()` cannot be safely transmuted into `u8` in the defining scope of `should_have_correct_size::Context`. + | ^^ The size of `()` is smaller than the size of `u8` | - = help: the trait `BikeshedIntrinsicFrom<(), should_have_correct_size::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `u8` note: required by a bound in `is_transmutable` --> $DIR/unit.rs:15:14 | diff --git a/tests/ui/transmutability/primitives/unit.next.stderr b/tests/ui/transmutability/primitives/unit.next.stderr index c20355e16f5..c49eb6097bd 100644 --- a/tests/ui/transmutability/primitives/unit.next.stderr +++ b/tests/ui/transmutability/primitives/unit.next.stderr @@ -1,10 +1,9 @@ -error[E0277]: `()` cannot be safely transmuted into `u8` in the defining scope of `should_have_correct_size::Context`. +error[E0277]: `()` cannot be safely transmuted into `u8` in the defining scope of `should_have_correct_size::Context` --> $DIR/unit.rs:31:35 | LL | assert::is_transmutable::<(), u8, Context>(); - | ^^ `()` cannot be safely transmuted into `u8` in the defining scope of `should_have_correct_size::Context`. + | ^^ The size of `()` is smaller than the size of `u8` | - = help: the trait `BikeshedIntrinsicFrom<(), should_have_correct_size::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `u8` note: required by a bound in `is_transmutable` --> $DIR/unit.rs:15:14 | diff --git a/tests/ui/transmutability/references.current.stderr b/tests/ui/transmutability/references.current.stderr index 39d42cc4fa6..819c9b92bc8 100644 --- a/tests/ui/transmutability/references.current.stderr +++ b/tests/ui/transmutability/references.current.stderr @@ -1,10 +1,9 @@ -error[E0277]: `&'static Unit` cannot be safely transmuted into `&'static Unit` in the defining scope of `assert::Context`. +error[E0277]: `&Unit` cannot be safely transmuted into `&Unit` in the defining scope of `assert::Context` --> $DIR/references.rs:29:52 | LL | assert::is_maybe_transmutable::<&'static Unit, &'static Unit>(); - | ^^^^^^^^^^^^^ `&'static Unit` cannot be safely transmuted into `&'static Unit` in the defining scope of `assert::Context`. + | ^^^^^^^^^^^^^ `&Unit` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<&'static Unit, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `&'static Unit` note: required by a bound in `is_maybe_transmutable` --> $DIR/references.rs:16:14 | diff --git a/tests/ui/transmutability/references.next.stderr b/tests/ui/transmutability/references.next.stderr index 39d42cc4fa6..819c9b92bc8 100644 --- a/tests/ui/transmutability/references.next.stderr +++ b/tests/ui/transmutability/references.next.stderr @@ -1,10 +1,9 @@ -error[E0277]: `&'static Unit` cannot be safely transmuted into `&'static Unit` in the defining scope of `assert::Context`. +error[E0277]: `&Unit` cannot be safely transmuted into `&Unit` in the defining scope of `assert::Context` --> $DIR/references.rs:29:52 | LL | assert::is_maybe_transmutable::<&'static Unit, &'static Unit>(); - | ^^^^^^^^^^^^^ `&'static Unit` cannot be safely transmuted into `&'static Unit` in the defining scope of `assert::Context`. + | ^^^^^^^^^^^^^ `&Unit` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<&'static Unit, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `&'static Unit` note: required by a bound in `is_maybe_transmutable` --> $DIR/references.rs:16:14 | diff --git a/tests/ui/transmutability/region-infer.rs b/tests/ui/transmutability/region-infer.rs new file mode 100644 index 00000000000..09f60277688 --- /dev/null +++ b/tests/ui/transmutability/region-infer.rs @@ -0,0 +1,22 @@ +#![feature(transmutability)] + +use std::mem::{Assume, BikeshedIntrinsicFrom}; +pub struct Context; + +#[repr(C)] +struct W<'a>(&'a ()); + +fn test<'a>() +where + W<'a>: BikeshedIntrinsicFrom< + (), + Context, + { Assume { alignment: true, lifetimes: true, safety: true, validity: true } }, + >, +{ +} + +fn main() { + test(); + //~^ ERROR `()` cannot be safely transmuted into `W<'_>` +} diff --git a/tests/ui/transmutability/region-infer.stderr b/tests/ui/transmutability/region-infer.stderr new file mode 100644 index 00000000000..d6b65e9e4a0 --- /dev/null +++ b/tests/ui/transmutability/region-infer.stderr @@ -0,0 +1,23 @@ +error[E0277]: `()` cannot be safely transmuted into `W<'_>` in the defining scope of `Context` + --> $DIR/region-infer.rs:20:5 + | +LL | test(); + | ^^^^ `W<'_>` does not have a well-specified layout + | +note: required by a bound in `test` + --> $DIR/region-infer.rs:11:12 + | +LL | fn test<'a>() + | ---- required by a bound in this function +LL | where +LL | W<'a>: BikeshedIntrinsicFrom< + | ____________^ +LL | | (), +LL | | Context, +LL | | { Assume { alignment: true, lifetimes: true, safety: true, validity: true } }, +LL | | >, + | |_________^ required by this bound in `test` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. diff --git a/tests/ui/transmutability/structs/repr/should_require_well_defined_layout.stderr b/tests/ui/transmutability/structs/repr/should_require_well_defined_layout.stderr index d9aebac6417..4c5062cd3b3 100644 --- a/tests/ui/transmutability/structs/repr/should_require_well_defined_layout.stderr +++ b/tests/ui/transmutability/structs/repr/should_require_well_defined_layout.stderr @@ -1,10 +1,9 @@ -error[E0277]: `should_reject_repr_rust::unit::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `should_reject_repr_rust::unit::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:28:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `should_reject_repr_rust::unit::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `should_reject_repr_rust::unit::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<should_reject_repr_rust::unit::repr_rust, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -21,13 +20,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `should_reject_repr_rust::unit::repr_rust` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `should_reject_repr_rust::unit::repr_rust` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:29:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `should_reject_repr_rust::unit::repr_rust` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `should_reject_repr_rust::unit::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `should_reject_repr_rust::unit::repr_rust` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -44,13 +42,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `should_reject_repr_rust::tuple::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `should_reject_repr_rust::tuple::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:34:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `should_reject_repr_rust::tuple::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `should_reject_repr_rust::tuple::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<should_reject_repr_rust::tuple::repr_rust, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -67,13 +64,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `should_reject_repr_rust::tuple::repr_rust` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `should_reject_repr_rust::tuple::repr_rust` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:35:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `should_reject_repr_rust::tuple::repr_rust` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `should_reject_repr_rust::tuple::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `should_reject_repr_rust::tuple::repr_rust` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -90,13 +86,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `should_reject_repr_rust::braces::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `should_reject_repr_rust::braces::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:40:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `should_reject_repr_rust::braces::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `should_reject_repr_rust::braces::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<should_reject_repr_rust::braces::repr_rust, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -113,13 +108,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `should_reject_repr_rust::braces::repr_rust` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `should_reject_repr_rust::braces::repr_rust` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:41:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `should_reject_repr_rust::braces::repr_rust` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `should_reject_repr_rust::braces::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `should_reject_repr_rust::braces::repr_rust` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -136,13 +130,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `aligned::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `aligned::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:46:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `aligned::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `aligned::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<aligned::repr_rust, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -159,13 +152,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `aligned::repr_rust` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `aligned::repr_rust` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:47:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `aligned::repr_rust` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `aligned::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `aligned::repr_rust` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -182,13 +174,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `packed::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `packed::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:52:52 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `packed::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `packed::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<packed::repr_rust, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -205,13 +196,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `packed::repr_rust` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `packed::repr_rust` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:53:47 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `packed::repr_rust` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `packed::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `packed::repr_rust` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -228,13 +218,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `nested::repr_c` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `nested::repr_c` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:59:49 | LL | assert::is_maybe_transmutable::<repr_c, ()>(); - | ^^ `nested::repr_c` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `nested::repr_c` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<nested::repr_c, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -251,13 +240,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `nested::repr_c` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `nested::repr_c` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:60:47 | LL | assert::is_maybe_transmutable::<u128, repr_c>(); - | ^^^^^^ `u128` cannot be safely transmuted into `nested::repr_c` in the defining scope of `assert::Context`. + | ^^^^^^ `nested::repr_c` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `nested::repr_c` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | diff --git a/tests/ui/transmutability/unions/repr/should_require_well_defined_layout.stderr b/tests/ui/transmutability/unions/repr/should_require_well_defined_layout.stderr index aa0cbc51b1b..4293d34f47b 100644 --- a/tests/ui/transmutability/unions/repr/should_require_well_defined_layout.stderr +++ b/tests/ui/transmutability/unions/repr/should_require_well_defined_layout.stderr @@ -1,10 +1,9 @@ -error[E0277]: `should_reject_repr_rust::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. +error[E0277]: `should_reject_repr_rust::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:30:48 | LL | assert::is_maybe_transmutable::<repr_rust, ()>(); - | ^^ `should_reject_repr_rust::repr_rust` cannot be safely transmuted into `()` in the defining scope of `assert::Context`. + | ^^ `should_reject_repr_rust::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<should_reject_repr_rust::repr_rust, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `()` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | @@ -21,13 +20,12 @@ LL | | } LL | | }> | |__________^ required by this bound in `is_maybe_transmutable` -error[E0277]: `u128` cannot be safely transmuted into `should_reject_repr_rust::repr_rust` in the defining scope of `assert::Context`. +error[E0277]: `u128` cannot be safely transmuted into `should_reject_repr_rust::repr_rust` in the defining scope of `assert::Context` --> $DIR/should_require_well_defined_layout.rs:31:43 | LL | assert::is_maybe_transmutable::<u128, repr_rust>(); - | ^^^^^^^^^ `u128` cannot be safely transmuted into `should_reject_repr_rust::repr_rust` in the defining scope of `assert::Context`. + | ^^^^^^^^^ `should_reject_repr_rust::repr_rust` does not have a well-specified layout | - = help: the trait `BikeshedIntrinsicFrom<u128, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `should_reject_repr_rust::repr_rust` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_require_well_defined_layout.rs:13:14 | diff --git a/tests/ui/transmutability/unions/should_pad_variants.stderr b/tests/ui/transmutability/unions/should_pad_variants.stderr index f4988239df9..bfbef8b25fc 100644 --- a/tests/ui/transmutability/unions/should_pad_variants.stderr +++ b/tests/ui/transmutability/unions/should_pad_variants.stderr @@ -1,10 +1,9 @@ -error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `should_pad_variants::Context`. +error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `should_pad_variants::Context` --> $DIR/should_pad_variants.rs:44:36 | LL | assert::is_transmutable::<Src, Dst, Context>(); - | ^^^ `Src` cannot be safely transmuted into `Dst` in the defining scope of `should_pad_variants::Context`. + | ^^^ The size of `Src` is smaller than the size of `Dst` | - = help: the trait `BikeshedIntrinsicFrom<Src, should_pad_variants::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `Dst` note: required by a bound in `is_transmutable` --> $DIR/should_pad_variants.rs:13:14 | diff --git a/tests/ui/transmutability/unions/should_reject_contraction.stderr b/tests/ui/transmutability/unions/should_reject_contraction.stderr index fa7dcc3d22a..553f655a10a 100644 --- a/tests/ui/transmutability/unions/should_reject_contraction.stderr +++ b/tests/ui/transmutability/unions/should_reject_contraction.stderr @@ -1,10 +1,9 @@ -error[E0277]: `Superset` cannot be safely transmuted into `Subset` in the defining scope of `assert::Context`. +error[E0277]: `Superset` cannot be safely transmuted into `Subset` in the defining scope of `assert::Context` --> $DIR/should_reject_contraction.rs:35:41 | LL | assert::is_transmutable::<Superset, Subset>(); - | ^^^^^^ `Superset` cannot be safely transmuted into `Subset` in the defining scope of `assert::Context`. + | ^^^^^^ At least one value of `Superset` isn't a bit-valid value of `Subset` | - = help: the trait `BikeshedIntrinsicFrom<Superset, assert::Context, Assume { alignment: false, lifetimes: false, safety: true, validity: false }>` is not implemented for `Subset` note: required by a bound in `is_transmutable` --> $DIR/should_reject_contraction.rs:13:14 | diff --git a/tests/ui/transmutability/unions/should_reject_disjoint.stderr b/tests/ui/transmutability/unions/should_reject_disjoint.stderr index 880e4cd8940..178ae6f08c4 100644 --- a/tests/ui/transmutability/unions/should_reject_disjoint.stderr +++ b/tests/ui/transmutability/unions/should_reject_disjoint.stderr @@ -1,10 +1,9 @@ -error[E0277]: `A` cannot be safely transmuted into `B` in the defining scope of `assert::Context`. +error[E0277]: `A` cannot be safely transmuted into `B` in the defining scope of `assert::Context` --> $DIR/should_reject_disjoint.rs:33:40 | LL | assert::is_maybe_transmutable::<A, B>(); - | ^ `A` cannot be safely transmuted into `B` in the defining scope of `assert::Context`. + | ^ At least one value of `A` isn't a bit-valid value of `B` | - = help: the trait `BikeshedIntrinsicFrom<A, assert::Context, Assume { alignment: false, lifetimes: false, safety: true, validity: true }>` is not implemented for `B` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_reject_disjoint.rs:13:14 | @@ -14,13 +13,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { Assume::SAFETY.and(Assume::VALIDITY) }> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_maybe_transmutable` -error[E0277]: `B` cannot be safely transmuted into `A` in the defining scope of `assert::Context`. +error[E0277]: `B` cannot be safely transmuted into `A` in the defining scope of `assert::Context` --> $DIR/should_reject_disjoint.rs:34:40 | LL | assert::is_maybe_transmutable::<B, A>(); - | ^ `B` cannot be safely transmuted into `A` in the defining scope of `assert::Context`. + | ^ At least one value of `B` isn't a bit-valid value of `A` | - = help: the trait `BikeshedIntrinsicFrom<B, assert::Context, Assume { alignment: false, lifetimes: false, safety: true, validity: true }>` is not implemented for `A` note: required by a bound in `is_maybe_transmutable` --> $DIR/should_reject_disjoint.rs:13:14 | diff --git a/tests/ui/transmutability/unions/should_reject_intersecting.stderr b/tests/ui/transmutability/unions/should_reject_intersecting.stderr index 501760b0809..73c29ab1c97 100644 --- a/tests/ui/transmutability/unions/should_reject_intersecting.stderr +++ b/tests/ui/transmutability/unions/should_reject_intersecting.stderr @@ -1,10 +1,9 @@ -error[E0277]: `A` cannot be safely transmuted into `B` in the defining scope of `assert::Context`. +error[E0277]: `A` cannot be safely transmuted into `B` in the defining scope of `assert::Context` --> $DIR/should_reject_intersecting.rs:36:34 | LL | assert::is_transmutable::<A, B>(); - | ^ `A` cannot be safely transmuted into `B` in the defining scope of `assert::Context`. + | ^ At least one value of `A` isn't a bit-valid value of `B` | - = help: the trait `BikeshedIntrinsicFrom<A, assert::Context, Assume { alignment: false, lifetimes: false, safety: true, validity: false }>` is not implemented for `B` note: required by a bound in `is_transmutable` --> $DIR/should_reject_intersecting.rs:14:14 | @@ -14,13 +13,12 @@ LL | where LL | Dst: BikeshedIntrinsicFrom<Src, Context, { Assume::SAFETY }> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `is_transmutable` -error[E0277]: `B` cannot be safely transmuted into `A` in the defining scope of `assert::Context`. +error[E0277]: `B` cannot be safely transmuted into `A` in the defining scope of `assert::Context` --> $DIR/should_reject_intersecting.rs:37:34 | LL | assert::is_transmutable::<B, A>(); - | ^ `B` cannot be safely transmuted into `A` in the defining scope of `assert::Context`. + | ^ At least one value of `B` isn't a bit-valid value of `A` | - = help: the trait `BikeshedIntrinsicFrom<B, assert::Context, Assume { alignment: false, lifetimes: false, safety: true, validity: false }>` is not implemented for `A` note: required by a bound in `is_transmutable` --> $DIR/should_reject_intersecting.rs:14:14 | diff --git a/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_field.stderr b/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_field.stderr index afbba653b83..863ada3c2c4 100644 --- a/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_field.stderr +++ b/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_field.stderr @@ -1,10 +1,9 @@ -error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context`. +error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context` --> $DIR/should_reject_if_dst_has_private_field.rs:35:41 | LL | assert::is_transmutable::<src::Src, dst::Dst, Context>(); - | ^^^^^^^^ `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context`. + | ^^^^^^^^ `Dst` is or contains a type or field that is not visible in that scope | - = help: the trait `BikeshedIntrinsicFrom<Src, test::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `Dst` note: required by a bound in `is_transmutable` --> $DIR/should_reject_if_dst_has_private_field.rs:13:14 | diff --git a/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_variant.stderr b/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_variant.stderr index f14b5d8b2cb..7b0f1b4d56e 100644 --- a/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_variant.stderr +++ b/tests/ui/transmutability/visibility/should_reject_if_dst_has_private_variant.stderr @@ -1,10 +1,9 @@ -error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context`. +error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context` --> $DIR/should_reject_if_dst_has_private_variant.rs:36:41 | LL | assert::is_transmutable::<src::Src, dst::Dst, Context>(); - | ^^^^^^^^ `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context`. + | ^^^^^^^^ `Dst` is or contains a type or field that is not visible in that scope | - = help: the trait `BikeshedIntrinsicFrom<Src, test::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `Dst` note: required by a bound in `is_transmutable` --> $DIR/should_reject_if_dst_has_private_variant.rs:13:14 | diff --git a/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_field.stderr b/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_field.stderr index 01ae8bea256..df19477ef26 100644 --- a/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_field.stderr +++ b/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_field.stderr @@ -1,10 +1,9 @@ -error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context`. +error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context` --> $DIR/should_reject_if_dst_has_unreachable_field.rs:37:41 | LL | assert::is_transmutable::<src::Src, dst::Dst, Context>(); - | ^^^^^^^^ `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context`. + | ^^^^^^^^ `Dst` is or contains a type or field that is not visible in that scope | - = help: the trait `BikeshedIntrinsicFrom<Src, test::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `Dst` note: required by a bound in `is_transmutable` --> $DIR/should_reject_if_dst_has_unreachable_field.rs:15:14 | diff --git a/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_ty.stderr b/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_ty.stderr index 20a680a7484..ea488980cdd 100644 --- a/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_ty.stderr +++ b/tests/ui/transmutability/visibility/should_reject_if_dst_has_unreachable_ty.stderr @@ -10,13 +10,12 @@ note: the struct `Dst` is defined here LL | #[repr(C)] pub(self) struct Dst { | ^^^^^^^^^^^^^^^^^^^^ -error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context`. +error[E0277]: `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context` --> $DIR/should_reject_if_dst_has_unreachable_ty.rs:38:41 | LL | assert::is_transmutable::<src::Src, dst::Dst, Context>(); - | ^^^^^^^^ `Src` cannot be safely transmuted into `Dst` in the defining scope of `test::Context`. + | ^^^^^^^^ `Dst` is or contains a type or field that is not visible in that scope | - = help: the trait `BikeshedIntrinsicFrom<Src, test::Context, Assume { alignment: false, lifetimes: false, safety: false, validity: false }>` is not implemented for `Dst` note: required by a bound in `is_transmutable` --> $DIR/should_reject_if_dst_has_unreachable_ty.rs:15:14 | diff --git a/tests/ui/transmute/transmute-padding-ice.stderr b/tests/ui/transmute/transmute-padding-ice.stderr index 87fd4fb6630..f5480e0b9fb 100644 --- a/tests/ui/transmute/transmute-padding-ice.stderr +++ b/tests/ui/transmute/transmute-padding-ice.stderr @@ -1,10 +1,9 @@ -error[E0277]: `B` cannot be safely transmuted into `A` in the defining scope of `assert::Context`. +error[E0277]: `B` cannot be safely transmuted into `A` in the defining scope of `assert::Context` --> $DIR/transmute-padding-ice.rs:27:40 | LL | assert::is_maybe_transmutable::<B, A>(); - | ^ `B` cannot be safely transmuted into `A` in the defining scope of `assert::Context`. + | ^ The size of `B` is smaller than the size of `A` | - = help: the trait `BikeshedIntrinsicFrom<B, assert::Context, Assume { alignment: true, lifetimes: true, safety: true, validity: true }>` is not implemented for `A` note: required by a bound in `is_maybe_transmutable` --> $DIR/transmute-padding-ice.rs:11:14 | diff --git a/tests/ui/type-alias-impl-trait/assoc-type-const.rs b/tests/ui/type-alias-impl-trait/assoc-type-const.rs index 0ade36dafa4..62f66914ee3 100644 --- a/tests/ui/type-alias-impl-trait/assoc-type-const.rs +++ b/tests/ui/type-alias-impl-trait/assoc-type-const.rs @@ -2,7 +2,7 @@ // const generics in an associated opaque type // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait UnwrapItemsExt<'a, const C: usize> { type Iter; diff --git a/tests/ui/type-alias-impl-trait/assoc-type-lifetime-unconstrained.rs b/tests/ui/type-alias-impl-trait/assoc-type-lifetime-unconstrained.rs index 3f34b00ec77..7c7c68ad60a 100644 --- a/tests/ui/type-alias-impl-trait/assoc-type-lifetime-unconstrained.rs +++ b/tests/ui/type-alias-impl-trait/assoc-type-lifetime-unconstrained.rs @@ -1,7 +1,7 @@ // Tests that we don't allow unconstrained lifetime parameters in impls when // the lifetime is used in an associated opaque type. -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait UnwrapItemsExt { type Iter; diff --git a/tests/ui/type-alias-impl-trait/assoc-type-lifetime.rs b/tests/ui/type-alias-impl-trait/assoc-type-lifetime.rs index 39f785d8cc5..81dacbcfb7e 100644 --- a/tests/ui/type-alias-impl-trait/assoc-type-lifetime.rs +++ b/tests/ui/type-alias-impl-trait/assoc-type-lifetime.rs @@ -2,7 +2,7 @@ // lifetimes are used in an associated opaque type // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait UnwrapItemsExt<'a> { type Iter; diff --git a/tests/ui/type-alias-impl-trait/associated-type-impl-trait-lifetime.rs b/tests/ui/type-alias-impl-trait/associated-type-impl-trait-lifetime.rs index 962606508be..551815d021a 100644 --- a/tests/ui/type-alias-impl-trait/associated-type-impl-trait-lifetime.rs +++ b/tests/ui/type-alias-impl-trait/associated-type-impl-trait-lifetime.rs @@ -1,6 +1,6 @@ //check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Trait { type Opaque1; diff --git a/tests/ui/type-alias-impl-trait/auxiliary/collect_hidden_types.rs b/tests/ui/type-alias-impl-trait/auxiliary/collect_hidden_types.rs index 75d20a6fef9..444a4e6957f 100644 --- a/tests/ui/type-alias-impl-trait/auxiliary/collect_hidden_types.rs +++ b/tests/ui/type-alias-impl-trait/auxiliary/collect_hidden_types.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] // edition:2018 diff --git a/tests/ui/type-alias-impl-trait/auxiliary/cross_crate_ice2.rs b/tests/ui/type-alias-impl-trait/auxiliary/cross_crate_ice2.rs index 119f7df1ffd..98c9615035a 100644 --- a/tests/ui/type-alias-impl-trait/auxiliary/cross_crate_ice2.rs +++ b/tests/ui/type-alias-impl-trait/auxiliary/cross_crate_ice2.rs @@ -1,7 +1,7 @@ // Crate that exports an opaque `impl Trait` type. Used for testing cross-crate. #![crate_type = "rlib"] -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait View { type Tmp: Iterator<Item = u32>; diff --git a/tests/ui/type-alias-impl-trait/impl-with-unconstrained-param.rs b/tests/ui/type-alias-impl-trait/impl-with-unconstrained-param.rs index 851c2f66c47..1824ff5e2fb 100644 --- a/tests/ui/type-alias-impl-trait/impl-with-unconstrained-param.rs +++ b/tests/ui/type-alias-impl-trait/impl-with-unconstrained-param.rs @@ -1,7 +1,7 @@ // Ensure that we don't ICE if associated type impl trait is used in an impl // with an unconstrained type parameter. -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait X { type I; diff --git a/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds.rs b/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds.rs index ee9bce15d34..4f99236f4ea 100644 --- a/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds.rs +++ b/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds.rs @@ -1,6 +1,6 @@ // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Callable { type Output; diff --git a/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.rs b/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.rs index ae21a9134a4..5d5645077c2 100644 --- a/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.rs +++ b/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Callable { type Output; @@ -17,7 +17,9 @@ impl<'a> PlusOne for &'a mut i32 { impl<T: PlusOne> Callable for T { type Output = impl PlusOne; - fn call(t: T) -> Self::Output { t } + fn call(t: T) -> Self::Output { + t + } } fn test<'a>(y: &'a mut i32) -> impl PlusOne { diff --git a/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.stderr b/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.stderr index e52d5f9de69..66e4783157b 100644 --- a/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.stderr +++ b/tests/ui/type-alias-impl-trait/imply_bounds_from_bounds_param.stderr @@ -1,5 +1,5 @@ error[E0700]: hidden type for `impl PlusOne` captures lifetime that does not appear in bounds - --> $DIR/imply_bounds_from_bounds_param.rs:24:5 + --> $DIR/imply_bounds_from_bounds_param.rs:26:5 | LL | fn test<'a>(y: &'a mut i32) -> impl PlusOne { | -- ------------ opaque type defined here diff --git a/tests/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs b/tests/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs index 685d76ee36f..8df59c68fef 100644 --- a/tests/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs +++ b/tests/ui/type-alias-impl-trait/incoherent-assoc-imp-trait.rs @@ -1,7 +1,7 @@ // Regression test for issue 67856 #![feature(unboxed_closures)] -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] #![feature(fn_traits)] trait MyTrait {} diff --git a/tests/ui/type-alias-impl-trait/issue-53598.rs b/tests/ui/type-alias-impl-trait/issue-53598.rs index 9c1cbf926f5..e3e2787b66b 100644 --- a/tests/ui/type-alias-impl-trait/issue-53598.rs +++ b/tests/ui/type-alias-impl-trait/issue-53598.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] use std::fmt::Debug; diff --git a/tests/ui/type-alias-impl-trait/issue-57188-associate-impl-capture.rs b/tests/ui/type-alias-impl-trait/issue-57188-associate-impl-capture.rs index 3a7a5da075f..3bdb3bf1d53 100644 --- a/tests/ui/type-alias-impl-trait/issue-57188-associate-impl-capture.rs +++ b/tests/ui/type-alias-impl-trait/issue-57188-associate-impl-capture.rs @@ -2,7 +2,7 @@ // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] struct Baz<'a> { source: &'a str, diff --git a/tests/ui/type-alias-impl-trait/issue-57611-trait-alias.rs b/tests/ui/type-alias-impl-trait/issue-57611-trait-alias.rs index cad3e0f6677..3917bb3b6cf 100644 --- a/tests/ui/type-alias-impl-trait/issue-57611-trait-alias.rs +++ b/tests/ui/type-alias-impl-trait/issue-57611-trait-alias.rs @@ -3,7 +3,7 @@ // Ensures that we don't ICE #![feature(trait_alias)] -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Foo { type Bar: Baz<Self, Self>; diff --git a/tests/ui/type-alias-impl-trait/issue-57700.rs b/tests/ui/type-alias-impl-trait/issue-57700.rs index 48458938702..8746545ecc9 100644 --- a/tests/ui/type-alias-impl-trait/issue-57700.rs +++ b/tests/ui/type-alias-impl-trait/issue-57700.rs @@ -1,5 +1,5 @@ #![feature(arbitrary_self_types)] -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] use std::ops::Deref; diff --git a/tests/ui/type-alias-impl-trait/issue-57807-associated-type.rs b/tests/ui/type-alias-impl-trait/issue-57807-associated-type.rs index fcab2c7db26..841bac5f6a0 100644 --- a/tests/ui/type-alias-impl-trait/issue-57807-associated-type.rs +++ b/tests/ui/type-alias-impl-trait/issue-57807-associated-type.rs @@ -2,7 +2,7 @@ // that we properly unify associated types within // a type alias impl trait // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Bar { type A; diff --git a/tests/ui/type-alias-impl-trait/issue-58887.rs b/tests/ui/type-alias-impl-trait/issue-58887.rs index 96ac7860283..9675867656a 100644 --- a/tests/ui/type-alias-impl-trait/issue-58887.rs +++ b/tests/ui/type-alias-impl-trait/issue-58887.rs @@ -1,6 +1,6 @@ // run-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait UnwrapItemsExt { type Iter; diff --git a/tests/ui/type-alias-impl-trait/issue-60371.rs b/tests/ui/type-alias-impl-trait/issue-60371.rs index 9a40f3d9b64..a6173967333 100644 --- a/tests/ui/type-alias-impl-trait/issue-60371.rs +++ b/tests/ui/type-alias-impl-trait/issue-60371.rs @@ -5,7 +5,7 @@ trait Bug { } impl Bug for &() { - type Item = impl Bug; //~ ERROR `impl Trait` in type aliases is unstable + type Item = impl Bug; //~ ERROR `impl Trait` in associated types is unstable const FUN: fn() -> Self::Item = || (); //~^ ERROR the trait bound `(): Bug` is not satisfied diff --git a/tests/ui/type-alias-impl-trait/issue-60371.stderr b/tests/ui/type-alias-impl-trait/issue-60371.stderr index d0c04371bd7..ffc66473635 100644 --- a/tests/ui/type-alias-impl-trait/issue-60371.stderr +++ b/tests/ui/type-alias-impl-trait/issue-60371.stderr @@ -1,11 +1,11 @@ -error[E0658]: `impl Trait` in type aliases is unstable +error[E0658]: `impl Trait` in associated types is unstable --> $DIR/issue-60371.rs:8:17 | LL | type Item = impl Bug; | ^^^^^^^^ | = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information - = help: add `#![feature(type_alias_impl_trait)]` to the crate attributes to enable + = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable error[E0277]: the trait bound `(): Bug` is not satisfied --> $DIR/issue-60371.rs:10:40 diff --git a/tests/ui/type-alias-impl-trait/issue-60564-working.rs b/tests/ui/type-alias-impl-trait/issue-60564-working.rs index 38accc8241c..c4687c29de8 100644 --- a/tests/ui/type-alias-impl-trait/issue-60564-working.rs +++ b/tests/ui/type-alias-impl-trait/issue-60564-working.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] // check-pass diff --git a/tests/ui/type-alias-impl-trait/issue-62000-associate-impl-trait-lifetimes.rs b/tests/ui/type-alias-impl-trait/issue-62000-associate-impl-trait-lifetimes.rs index 36779a0ce89..0245eab7969 100644 --- a/tests/ui/type-alias-impl-trait/issue-62000-associate-impl-trait-lifetimes.rs +++ b/tests/ui/type-alias-impl-trait/issue-62000-associate-impl-trait-lifetimes.rs @@ -2,7 +2,7 @@ // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait MyTrait { type AssocType: Send; diff --git a/tests/ui/type-alias-impl-trait/issue-65918.rs b/tests/ui/type-alias-impl-trait/issue-65918.rs index af6d5010920..82cc823e494 100644 --- a/tests/ui/type-alias-impl-trait/issue-65918.rs +++ b/tests/ui/type-alias-impl-trait/issue-65918.rs @@ -1,5 +1,3 @@ -// ignore-test: This now ICEs again. - // build-pass #![feature(type_alias_impl_trait)] diff --git a/tests/ui/type-alias-impl-trait/issue-74761-2.rs b/tests/ui/type-alias-impl-trait/issue-74761-2.rs index d26ca5c3ead..f582592e9bc 100644 --- a/tests/ui/type-alias-impl-trait/issue-74761-2.rs +++ b/tests/ui/type-alias-impl-trait/issue-74761-2.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait A { type B; diff --git a/tests/ui/type-alias-impl-trait/issue-74761.rs b/tests/ui/type-alias-impl-trait/issue-74761.rs index d26ca5c3ead..f582592e9bc 100644 --- a/tests/ui/type-alias-impl-trait/issue-74761.rs +++ b/tests/ui/type-alias-impl-trait/issue-74761.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait A { type B; diff --git a/tests/ui/type-alias-impl-trait/issue-78450.rs b/tests/ui/type-alias-impl-trait/issue-78450.rs index fccbfb74fa2..2a984c1ed71 100644 --- a/tests/ui/type-alias-impl-trait/issue-78450.rs +++ b/tests/ui/type-alias-impl-trait/issue-78450.rs @@ -1,6 +1,6 @@ // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] pub trait AssociatedImpl { type ImplTrait; diff --git a/tests/ui/type-alias-impl-trait/issue-89952.rs b/tests/ui/type-alias-impl-trait/issue-89952.rs index dc0f19c042a..f0ba9fa7cec 100644 --- a/tests/ui/type-alias-impl-trait/issue-89952.rs +++ b/tests/ui/type-alias-impl-trait/issue-89952.rs @@ -1,6 +1,6 @@ // check-pass -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait SomeTrait {} impl SomeTrait for () {} diff --git a/tests/ui/type-alias-impl-trait/issue-90400-1.rs b/tests/ui/type-alias-impl-trait/issue-90400-1.rs index 15aead2f641..50207605748 100644 --- a/tests/ui/type-alias-impl-trait/issue-90400-1.rs +++ b/tests/ui/type-alias-impl-trait/issue-90400-1.rs @@ -1,7 +1,7 @@ // Regression test for #90400, // taken from https://github.com/rust-lang/rust/issues/90400#issuecomment-954927836 -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Bar { fn bar(&self); diff --git a/tests/ui/type-alias-impl-trait/issue-90400-2.rs b/tests/ui/type-alias-impl-trait/issue-90400-2.rs index 4c6e893c172..60ff962ea2e 100644 --- a/tests/ui/type-alias-impl-trait/issue-90400-2.rs +++ b/tests/ui/type-alias-impl-trait/issue-90400-2.rs @@ -1,7 +1,7 @@ // Regression test for #90400, // taken from https://github.com/rust-lang/rust/issues/90400#issuecomment-954927836 -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Bar { fn bar(&self); diff --git a/tests/ui/type-alias-impl-trait/issue-94429.rs b/tests/ui/type-alias-impl-trait/issue-94429.rs index 2c965b875a0..d764545f906 100644 --- a/tests/ui/type-alias-impl-trait/issue-94429.rs +++ b/tests/ui/type-alias-impl-trait/issue-94429.rs @@ -1,4 +1,4 @@ -#![feature(type_alias_impl_trait, generator_trait, generators)] +#![feature(impl_trait_in_assoc_type, generator_trait, generators)] use std::ops::Generator; trait Runnable { @@ -13,7 +13,7 @@ impl Runnable for Implementor { type Gen = impl Generator<Yield = (), Return = ()>; fn run(&mut self) -> Self::Gen { - //~^ ERROR: type mismatch resolving + //~^ ERROR: type mismatch resolving move || { yield 1; } diff --git a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.rs b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.rs index efbf4f1e351..296a3f3e300 100644 --- a/tests/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.rs +++ b/tests/ui/type-alias-impl-trait/type-alias-impl-trait-unconstrained-lifetime.rs @@ -1,6 +1,6 @@ // regression test for #74018 -#![feature(type_alias_impl_trait)] +#![feature(impl_trait_in_assoc_type)] trait Trait { type Associated; diff --git a/tests/ui/type/type-check/assignment-in-if.stderr b/tests/ui/type/type-check/assignment-in-if.stderr index de133e5599c..9f4558adab1 100644 --- a/tests/ui/type/type-check/assignment-in-if.stderr +++ b/tests/ui/type/type-check/assignment-in-if.stderr @@ -67,9 +67,6 @@ LL | x == 5 error[E0308]: mismatched types --> $DIR/assignment-in-if.rs:44:18 | -LL | if y = (Foo { foo: x }) { - | - here the type of `x` is inferred to be `usize` -... LL | if x == x && x = x && x == x { | ------ ^ expected `bool`, found `usize` | | @@ -78,9 +75,6 @@ LL | if x == x && x = x && x == x { error[E0308]: mismatched types --> $DIR/assignment-in-if.rs:44:22 | -LL | if y = (Foo { foo: x }) { - | - here the type of `x` is inferred to be `usize` -... LL | if x == x && x = x && x == x { | ^ expected `bool`, found `usize` @@ -98,9 +92,6 @@ LL | if x == x && x == x && x == x { error[E0308]: mismatched types --> $DIR/assignment-in-if.rs:51:28 | -LL | if y = (Foo { foo: x }) { - | - here the type of `x` is inferred to be `usize` -... LL | if x == x && x == x && x = x { | ---------------- ^ expected `bool`, found `usize` | | diff --git a/tests/ui/type/type-check/point-at-inference-3.fixed b/tests/ui/type/type-check/point-at-inference-3.fixed index edd4adf8bd2..15a3b580568 100644 --- a/tests/ui/type/type-check/point-at-inference-3.fixed +++ b/tests/ui/type/type-check/point-at-inference-3.fixed @@ -2,7 +2,8 @@ fn main() { let mut v = Vec::new(); v.push(0i32); - //~^ NOTE this is of type `i32`, which causes `v` to be inferred as `Vec<i32>` + //~^ NOTE this argument has type `i32`... + //~| NOTE ... which causes `v` to have type `Vec<i32>` v.push(0); v.push(1i32); //~ ERROR mismatched types //~^ NOTE expected `i32`, found `u32` diff --git a/tests/ui/type/type-check/point-at-inference-3.rs b/tests/ui/type/type-check/point-at-inference-3.rs index 49d7b50075b..a48c4f9862f 100644 --- a/tests/ui/type/type-check/point-at-inference-3.rs +++ b/tests/ui/type/type-check/point-at-inference-3.rs @@ -2,7 +2,8 @@ fn main() { let mut v = Vec::new(); v.push(0i32); - //~^ NOTE this is of type `i32`, which causes `v` to be inferred as `Vec<i32>` + //~^ NOTE this argument has type `i32`... + //~| NOTE ... which causes `v` to have type `Vec<i32>` v.push(0); v.push(1u32); //~ ERROR mismatched types //~^ NOTE expected `i32`, found `u32` diff --git a/tests/ui/type/type-check/point-at-inference-3.stderr b/tests/ui/type/type-check/point-at-inference-3.stderr index 2c4907ed263..23876481236 100644 --- a/tests/ui/type/type-check/point-at-inference-3.stderr +++ b/tests/ui/type/type-check/point-at-inference-3.stderr @@ -1,8 +1,10 @@ error[E0308]: mismatched types - --> $DIR/point-at-inference-3.rs:7:12 + --> $DIR/point-at-inference-3.rs:8:12 | LL | v.push(0i32); - | ---- this is of type `i32`, which causes `v` to be inferred as `Vec<i32>` + | - ---- this argument has type `i32`... + | | + | ... which causes `v` to have type `Vec<i32>` ... LL | v.push(1u32); | ---- ^^^^ expected `i32`, found `u32` diff --git a/tests/ui/type/type-check/point-at-inference-4.rs b/tests/ui/type/type-check/point-at-inference-4.rs index aea9b2c6c14..3deb234c275 100644 --- a/tests/ui/type/type-check/point-at-inference-4.rs +++ b/tests/ui/type/type-check/point-at-inference-4.rs @@ -11,8 +11,11 @@ fn main() { let s = S(None); s.infer(0i32); //~^ ERROR this method takes 2 arguments but 1 argument was supplied + //~| NOTE this argument has type `i32`... + //~| NOTE ... which causes `s` to have type `S<i32, _>` //~| NOTE an argument is missing //~| HELP provide the argument + //~| HELP change the type of the numeric literal from `i32` to `u32` let t: S<u32, _> = s; //~^ ERROR mismatched types //~| NOTE expected `S<u32, _>`, found `S<i32, _>` diff --git a/tests/ui/type/type-check/point-at-inference-4.stderr b/tests/ui/type/type-check/point-at-inference-4.stderr index 28833d2ed1c..5f7bb8b9367 100644 --- a/tests/ui/type/type-check/point-at-inference-4.stderr +++ b/tests/ui/type/type-check/point-at-inference-4.stderr @@ -15,8 +15,13 @@ LL | s.infer(0i32, /* b */); | ~~~~~~~~~~~~~~~ error[E0308]: mismatched types - --> $DIR/point-at-inference-4.rs:16:24 + --> $DIR/point-at-inference-4.rs:19:24 | +LL | s.infer(0i32); + | - ---- this argument has type `i32`... + | | + | ... which causes `s` to have type `S<i32, _>` +... LL | let t: S<u32, _> = s; | --------- ^ expected `S<u32, _>`, found `S<i32, _>` | | @@ -24,6 +29,10 @@ LL | let t: S<u32, _> = s; | = note: expected struct `S<u32, _>` found struct `S<i32, _>` +help: change the type of the numeric literal from `i32` to `u32` + | +LL | s.infer(0u32); + | ~~~ error: aborting due to 2 previous errors diff --git a/tests/ui/type/type-check/point-at-inference.stderr b/tests/ui/type/type-check/point-at-inference.stderr index a76b4f90c73..5fc94d4d1b6 100644 --- a/tests/ui/type/type-check/point-at-inference.stderr +++ b/tests/ui/type/type-check/point-at-inference.stderr @@ -2,7 +2,9 @@ error[E0308]: mismatched types --> $DIR/point-at-inference.rs:12:9 | LL | foo.push(i); - | - this is of type `&{integer}`, which causes `foo` to be inferred as `Vec<&{integer}>` + | --- - this argument has type `&{integer}`... + | | + | ... which causes `foo` to have type `Vec<&{integer}>` ... LL | bar(foo); | --- ^^^ expected `Vec<i32>`, found `Vec<&{integer}>` diff --git a/tests/ui/typeck/bad-type-in-vec-contains.stderr b/tests/ui/typeck/bad-type-in-vec-contains.stderr index 0e03388d2d5..72533ab1fa3 100644 --- a/tests/ui/typeck/bad-type-in-vec-contains.stderr +++ b/tests/ui/typeck/bad-type-in-vec-contains.stderr @@ -7,7 +7,6 @@ LL | primes.contains(3); | | expected `&_`, found integer | | help: consider borrowing here: `&3` | arguments to this method are incorrect - | here the type of `primes` is inferred to be `[_]` | = note: expected reference `&_` found type `{integer}` diff --git a/tests/ui/typeck/bad-type-in-vec-push.stderr b/tests/ui/typeck/bad-type-in-vec-push.stderr index ae46050c91b..1d5337260fa 100644 --- a/tests/ui/typeck/bad-type-in-vec-push.stderr +++ b/tests/ui/typeck/bad-type-in-vec-push.stderr @@ -1,8 +1,6 @@ error[E0308]: mismatched types --> $DIR/bad-type-in-vec-push.rs:11:17 | -LL | vector.sort(); - | ------ here the type of `vector` is inferred to be `Vec<_>` LL | result.push(vector); | ---- ^^^^^^ expected integer, found `Vec<_>` | | diff --git a/tests/ui/typeck/explain_clone_autoref.stderr b/tests/ui/typeck/explain_clone_autoref.stderr index 4539da4389b..38cb7fe5518 100644 --- a/tests/ui/typeck/explain_clone_autoref.stderr +++ b/tests/ui/typeck/explain_clone_autoref.stderr @@ -14,7 +14,8 @@ LL | nc.clone() | ^^ help: consider annotating `NotClone` with `#[derive(Clone)]` | -LL | #[derive(Clone)] +LL + #[derive(Clone)] +LL | struct NotClone; | error: aborting due to previous error diff --git a/tests/ui/typeck/issue-107775.stderr b/tests/ui/typeck/issue-107775.stderr index 9ee9c022c6e..b97e74b7e53 100644 --- a/tests/ui/typeck/issue-107775.stderr +++ b/tests/ui/typeck/issue-107775.stderr @@ -2,9 +2,9 @@ error[E0308]: mismatched types --> $DIR/issue-107775.rs:35:16 | LL | map.insert(1, Struct::do_something); - | - -------------------- this is of type `fn(u8) -> Pin<Box<dyn Future<Output = ()> + Send>> {<Struct as Trait>::do_something::<'_>}`, which causes `map` to be inferred as `HashMap<{integer}, fn(u8) -> Pin<Box<dyn Future<Output = ()> + Send>> {<Struct as Trait>::do_something::<'_>}>` - | | - | this is of type `{integer}`, which causes `map` to be inferred as `HashMap<{integer}, fn(u8) -> Pin<Box<dyn Future<Output = ()> + Send>> {<Struct as Trait>::do_something::<'_>}>` + | --- -------------------- this argument has type `fn(u8) -> Pin<Box<dyn Future<Output = ()> + Send>> {<Struct as Trait>::do_something::<'_>}`... + | | + | ... which causes `map` to have type `HashMap<{integer}, fn(u8) -> Pin<Box<dyn Future<Output = ()> + Send>> {<Struct as Trait>::do_something::<'_>}>` LL | Self { map } | ^^^ expected `HashMap<u16, fn(u8) -> Pin<...>>`, found `HashMap<{integer}, ...>` | diff --git a/tests/ui/typeck/issue-110052.rs b/tests/ui/typeck/issue-110052.rs new file mode 100644 index 00000000000..f124b58b5b6 --- /dev/null +++ b/tests/ui/typeck/issue-110052.rs @@ -0,0 +1,12 @@ +// Makes sure we deal with escaping lifetimes *above* INNERMOST when +// suggesting trait for ambiguous associated type. + +impl<I, V> Validator<I> for () +where + for<'iter> dyn Validator<<&'iter I>::Item>:, + //~^ ERROR ambiguous associated type +{} + +pub trait Validator<T> {} + +fn main() {} diff --git a/tests/ui/typeck/issue-110052.stderr b/tests/ui/typeck/issue-110052.stderr new file mode 100644 index 00000000000..0c15c03a740 --- /dev/null +++ b/tests/ui/typeck/issue-110052.stderr @@ -0,0 +1,9 @@ +error[E0223]: ambiguous associated type + --> $DIR/issue-110052.rs:6:30 + | +LL | for<'iter> dyn Validator<<&'iter I>::Item>:, + | ^^^^^^^^^^^^^^^^ help: use the fully-qualified path: `<&'iter I as IntoIterator>::Item` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0223`. diff --git a/tests/ui/typeck/issue-43189.stderr b/tests/ui/typeck/issue-43189.stderr index caf7530b85a..c072e6a08ba 100644 --- a/tests/ui/typeck/issue-43189.stderr +++ b/tests/ui/typeck/issue-43189.stderr @@ -12,7 +12,7 @@ LL | fn a(&self) {} = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use xcrate_issue_43189_b::xcrate_issue_43189_a::A; +LL + use xcrate_issue_43189_b::xcrate_issue_43189_a::A; | error: aborting due to previous error diff --git a/tests/ui/typeck/issue-90164.stderr b/tests/ui/typeck/issue-90164.stderr index 1e2f1bae3bd..8586f522291 100644 --- a/tests/ui/typeck/issue-90164.stderr +++ b/tests/ui/typeck/issue-90164.stderr @@ -6,7 +6,8 @@ LL | copy(r, w); | | | required by a bound introduced by this call | - = note: consider using `Box::pin` + = note: consider using the `pin!` macro + consider using `Box::pin` if you need to access the pinned value outside of the current scope note: required by a bound in `copy` --> $DIR/issue-90164.rs:1:12 | diff --git a/tests/ui/underscore-imports/shadow.stderr b/tests/ui/underscore-imports/shadow.stderr index 7faede4e6d0..f2c19405bbb 100644 --- a/tests/ui/underscore-imports/shadow.stderr +++ b/tests/ui/underscore-imports/shadow.stderr @@ -7,7 +7,7 @@ LL | x.deref(); = help: items from traits can only be used if the trait is in scope help: the following trait is implemented but not in scope; perhaps add a `use` for it: | -LL | use std::ops::Deref; +LL + use std::ops::Deref; | error: aborting due to previous error diff --git a/tests/ui/union/union-derive-clone.mirunsafeck.stderr b/tests/ui/union/union-derive-clone.mirunsafeck.stderr index b80e8b988ad..4d23d230fa3 100644 --- a/tests/ui/union/union-derive-clone.mirunsafeck.stderr +++ b/tests/ui/union/union-derive-clone.mirunsafeck.stderr @@ -9,7 +9,8 @@ note: required by a bound in `AssertParamIsCopy` = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `U1` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | union U1 { | error[E0599]: the method `clone` exists for union `U5<CloneNoCopy>`, but its trait bounds were not satisfied @@ -34,7 +35,8 @@ LL | #[derive(Clone, Copy)] | ^^^^^ unsatisfied trait bound introduced in this `derive` macro help: consider annotating `CloneNoCopy` with `#[derive(Clone, Copy)]` | -LL | #[derive(Clone, Copy)] +LL + #[derive(Clone, Copy)] +LL | struct CloneNoCopy; | error: aborting due to 2 previous errors diff --git a/tests/ui/union/union-derive-clone.thirunsafeck.stderr b/tests/ui/union/union-derive-clone.thirunsafeck.stderr index b80e8b988ad..4d23d230fa3 100644 --- a/tests/ui/union/union-derive-clone.thirunsafeck.stderr +++ b/tests/ui/union/union-derive-clone.thirunsafeck.stderr @@ -9,7 +9,8 @@ note: required by a bound in `AssertParamIsCopy` = note: this error originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `U1` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | union U1 { | error[E0599]: the method `clone` exists for union `U5<CloneNoCopy>`, but its trait bounds were not satisfied @@ -34,7 +35,8 @@ LL | #[derive(Clone, Copy)] | ^^^^^ unsatisfied trait bound introduced in this `derive` macro help: consider annotating `CloneNoCopy` with `#[derive(Clone, Copy)]` | -LL | #[derive(Clone, Copy)] +LL + #[derive(Clone, Copy)] +LL | struct CloneNoCopy; | error: aborting due to 2 previous errors diff --git a/tests/ui/union/union-derive-eq.mirunsafeck.stderr b/tests/ui/union/union-derive-eq.mirunsafeck.stderr index 9e55390b54d..136cd883e26 100644 --- a/tests/ui/union/union-derive-eq.mirunsafeck.stderr +++ b/tests/ui/union/union-derive-eq.mirunsafeck.stderr @@ -12,7 +12,8 @@ note: required by a bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `PartialEqNotEq` with `#[derive(Eq)]` | -LL | #[derive(Eq)] +LL + #[derive(Eq)] +LL | struct PartialEqNotEq; | error: aborting due to previous error diff --git a/tests/ui/union/union-derive-eq.thirunsafeck.stderr b/tests/ui/union/union-derive-eq.thirunsafeck.stderr index 9e55390b54d..136cd883e26 100644 --- a/tests/ui/union/union-derive-eq.thirunsafeck.stderr +++ b/tests/ui/union/union-derive-eq.thirunsafeck.stderr @@ -12,7 +12,8 @@ note: required by a bound in `AssertParamIsEq` = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info) help: consider annotating `PartialEqNotEq` with `#[derive(Eq)]` | -LL | #[derive(Eq)] +LL + #[derive(Eq)] +LL | struct PartialEqNotEq; | error: aborting due to previous error diff --git a/tests/ui/unresolved/unresolved-candidates.stderr b/tests/ui/unresolved/unresolved-candidates.stderr index ea737c567b9..7ef2f6b1a29 100644 --- a/tests/ui/unresolved/unresolved-candidates.stderr +++ b/tests/ui/unresolved/unresolved-candidates.stderr @@ -17,7 +17,7 @@ LL | impl Trait for () {} | help: consider importing this trait | -LL | use a::Trait; +LL + use a::Trait; | error: aborting due to 2 previous errors diff --git a/tests/ui/wf/issue-110157.rs b/tests/ui/wf/issue-110157.rs new file mode 100644 index 00000000000..43a8ce72ff1 --- /dev/null +++ b/tests/ui/wf/issue-110157.rs @@ -0,0 +1,12 @@ +struct NeedsDropTypes<'tcx, F>(std::marker::PhantomData<&'tcx F>); + +impl<'tcx, F, I> Iterator for NeedsDropTypes<'tcx, F> +//~^ ERROR type annotations needed +where + F: Fn(&Missing) -> Result<I, ()>, + //~^ ERROR cannot find type `Missing` in this scope + I: Iterator<Item = Missing>, + //~^ ERROR cannot find type `Missing` in this scope +{} + +fn main() {} diff --git a/tests/ui/wf/issue-110157.stderr b/tests/ui/wf/issue-110157.stderr new file mode 100644 index 00000000000..91d801e9470 --- /dev/null +++ b/tests/ui/wf/issue-110157.stderr @@ -0,0 +1,32 @@ +error[E0412]: cannot find type `Missing` in this scope + --> $DIR/issue-110157.rs:6:12 + | +LL | F: Fn(&Missing) -> Result<I, ()>, + | ^^^^^^^ not found in this scope + +error[E0412]: cannot find type `Missing` in this scope + --> $DIR/issue-110157.rs:8:24 + | +LL | I: Iterator<Item = Missing>, + | ^^^^^^^ not found in this scope + +error[E0283]: type annotations needed + --> $DIR/issue-110157.rs:3:31 + | +LL | impl<'tcx, F, I> Iterator for NeedsDropTypes<'tcx, F> + | ^^^^^^^^^^^^^^^^^^^^^^^ cannot infer type for type parameter `I` + | + = note: cannot satisfy `_: Iterator` +note: required for `NeedsDropTypes<'tcx, F>` to implement `Iterator` + --> $DIR/issue-110157.rs:3:18 + | +LL | impl<'tcx, F, I> Iterator for NeedsDropTypes<'tcx, F> + | ^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | I: Iterator<Item = Missing>, + | ------------------------ unsatisfied trait bound introduced here + +error: aborting due to 3 previous errors + +Some errors have detailed explanations: E0283, E0412. +For more information about an error, try `rustc --explain E0283`. diff --git a/tests/ui/wf/wf-const-type.stderr b/tests/ui/wf/wf-const-type.stderr index 85938364ede..617969720a6 100644 --- a/tests/ui/wf/wf-const-type.stderr +++ b/tests/ui/wf/wf-const-type.stderr @@ -12,7 +12,8 @@ LL | struct IsCopy<T:Copy> { t: T } | ^^^^ required by this bound in `IsCopy` help: consider annotating `NotCopy` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct NotCopy; | error: aborting due to previous error diff --git a/tests/ui/wf/wf-static-type.stderr b/tests/ui/wf/wf-static-type.stderr index 16c6124b652..bb5a57834eb 100644 --- a/tests/ui/wf/wf-static-type.stderr +++ b/tests/ui/wf/wf-static-type.stderr @@ -12,7 +12,8 @@ LL | struct IsCopy<T:Copy> { t: T } | ^^^^ required by this bound in `IsCopy` help: consider annotating `NotCopy` with `#[derive(Copy)]` | -LL | #[derive(Copy)] +LL + #[derive(Copy)] +LL | struct NotCopy; | error: aborting due to previous error diff --git a/tests/ui/where-clauses/where-clauses-method-unsatisfied.stderr b/tests/ui/where-clauses/where-clauses-method-unsatisfied.stderr index e90502977ff..6cf71729514 100644 --- a/tests/ui/where-clauses/where-clauses-method-unsatisfied.stderr +++ b/tests/ui/where-clauses/where-clauses-method-unsatisfied.stderr @@ -11,7 +11,8 @@ LL | fn equals(&self, u: &Foo<T>) -> bool where T : Eq { | ^^ required by this bound in `Foo::<T>::equals` help: consider annotating `Bar` with `#[derive(Eq)]` | -LL | #[derive(Eq)] +LL + #[derive(Eq)] +LL | struct Bar; // does not implement Eq | error: aborting due to previous error diff --git a/tests/ui/where-clauses/where-clauses-unsatisfied.stderr b/tests/ui/where-clauses/where-clauses-unsatisfied.stderr index b1805a4522f..4d239bf4307 100644 --- a/tests/ui/where-clauses/where-clauses-unsatisfied.stderr +++ b/tests/ui/where-clauses/where-clauses-unsatisfied.stderr @@ -11,7 +11,8 @@ LL | fn equal<T>(a: &T, b: &T) -> bool where T : Eq { a == b } | ^^ required by this bound in `equal` help: consider annotating `Struct` with `#[derive(Eq)]` | -LL | #[derive(Eq)] +LL + #[derive(Eq)] +LL | struct Struct; | error: aborting due to previous error diff --git a/triagebot.toml b/triagebot.toml index 58f51959e1f..917acce901b 100644 --- a/triagebot.toml +++ b/triagebot.toml @@ -11,6 +11,7 @@ allow-unauthenticated = [ "S-*", "T-*", "WG-*", + "beta-nominated", "const-hack", "llvm-main", "needs-fcp", |