diff options
359 files changed, 2857 insertions, 2487 deletions
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml index 90269f56c52..872b671b031 100644 --- a/.github/workflows/ci.yml +++ b/.github/workflows/ci.yml @@ -45,575 +45,25 @@ jobs: - name: Checkout the source code uses: actions/checkout@v4 - name: Calculate the CI job matrix - run: python3 src/ci/scripts/calculate-job-matrix.py >> $GITHUB_OUTPUT + run: python3 src/ci/github-actions/calculate-job-matrix.py >> $GITHUB_OUTPUT id: jobs - pr: - name: "PR - ${{ matrix.name }}" + job: + name: "${{ matrix.name }}" needs: - calculate_matrix env: - PR_CI_JOB: 1 - CI_JOB_NAME: "${{ matrix.name }}" + CI_JOB_NAME: "${{ matrix.image }}" CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse HEAD_SHA: "${{ github.event.pull_request.head.sha || github.sha }}" DOCKER_TOKEN: "${{ secrets.GITHUB_TOKEN }}" SCCACHE_BUCKET: rust-lang-ci-sccache2 TOOLSTATE_REPO: "https://github.com/rust-lang-nursery/rust-toolstate" CACHE_DOMAIN: ci-caches.rust-lang.org - if: "github.event_name == 'pull_request'" - continue-on-error: "${{ matrix.name == 'mingw-check-tidy' }}" + continue-on-error: "${{ matrix.continue_on_error || false }}" strategy: matrix: include: "${{ fromJSON(needs.calculate_matrix.outputs.jobs) }}" - defaults: - run: - shell: "${{ contains(matrix.os, 'windows') && 'msys2 {0}' || 'bash' }}" - timeout-minutes: 600 - runs-on: "${{ matrix.os }}" - steps: - - if: "contains(matrix.os, 'windows')" - uses: msys2/setup-msys2@v2.22.0 - with: - msystem: "${{ contains(matrix.name, 'i686') && 'mingw32' || 'mingw64' }}" - update: false - release: true - path-type: inherit - install: "make dos2unix diffutils\n" - - name: disable git crlf conversion - run: git config --global core.autocrlf false - - name: checkout the source code - uses: actions/checkout@v4 - with: - fetch-depth: 2 - - name: configure the PR in which the error message will be posted - run: "echo \"[CI_PR_NUMBER=$num]\"" - env: - num: "${{ github.event.number }}" - if: "success() && !env.SKIP_JOB && github.event_name == 'pull_request'" - - name: add extra environment variables - run: src/ci/scripts/setup-environment.sh - env: - EXTRA_VARIABLES: "${{ toJson(matrix.env) }}" - if: success() && !env.SKIP_JOB - - name: decide whether to skip this job - run: src/ci/scripts/should-skip-this.sh - if: success() && !env.SKIP_JOB - - name: ensure the channel matches the target branch - run: src/ci/scripts/verify-channel.sh - if: success() && !env.SKIP_JOB - - name: collect CPU statistics - run: src/ci/scripts/collect-cpu-stats.sh - if: success() && !env.SKIP_JOB - - name: show the current environment - run: src/ci/scripts/dump-environment.sh - if: success() && !env.SKIP_JOB - - name: install awscli - run: src/ci/scripts/install-awscli.sh - if: success() && !env.SKIP_JOB - - name: install sccache - run: src/ci/scripts/install-sccache.sh - if: success() && !env.SKIP_JOB - - name: select Xcode - run: src/ci/scripts/select-xcode.sh - if: success() && !env.SKIP_JOB - - name: install clang - run: src/ci/scripts/install-clang.sh - if: success() && !env.SKIP_JOB - - name: install tidy - run: src/ci/scripts/install-tidy.sh - if: success() && !env.SKIP_JOB - - name: install WIX - run: src/ci/scripts/install-wix.sh - if: success() && !env.SKIP_JOB - - name: disable git crlf conversion - run: src/ci/scripts/disable-git-crlf-conversion.sh - if: success() && !env.SKIP_JOB - - name: checkout submodules - run: src/ci/scripts/checkout-submodules.sh - if: success() && !env.SKIP_JOB - - name: install MSYS2 - run: src/ci/scripts/install-msys2.sh - if: success() && !env.SKIP_JOB - - name: install MinGW - run: src/ci/scripts/install-mingw.sh - if: success() && !env.SKIP_JOB - - name: install ninja - run: src/ci/scripts/install-ninja.sh - if: success() && !env.SKIP_JOB - - name: enable ipv6 on Docker - run: src/ci/scripts/enable-docker-ipv6.sh - if: success() && !env.SKIP_JOB - - name: disable git crlf conversion - run: src/ci/scripts/disable-git-crlf-conversion.sh - if: success() && !env.SKIP_JOB - - name: ensure line endings are correct - run: src/ci/scripts/verify-line-endings.sh - if: success() && !env.SKIP_JOB - - name: ensure backported commits are in upstream branches - run: src/ci/scripts/verify-backported-commits.sh - if: success() && !env.SKIP_JOB - - name: ensure the stable version number is correct - run: src/ci/scripts/verify-stable-version-number.sh - if: success() && !env.SKIP_JOB - - name: run the build - run: src/ci/scripts/run-build-from-ci.sh 2>&1 - env: - AWS_ACCESS_KEY_ID: "${{ env.CACHES_AWS_ACCESS_KEY_ID }}" - AWS_SECRET_ACCESS_KEY: "${{ secrets[format('AWS_SECRET_ACCESS_KEY_{0}', env.CACHES_AWS_ACCESS_KEY_ID)] }}" - TOOLSTATE_REPO_ACCESS_TOKEN: "${{ secrets.TOOLSTATE_REPO_ACCESS_TOKEN }}" - if: success() && !env.SKIP_JOB - - name: create github artifacts - run: src/ci/scripts/create-doc-artifacts.sh - if: success() && !env.SKIP_JOB - - name: upload artifacts to github - uses: actions/upload-artifact@v4 - with: - name: "${{ env.DOC_ARTIFACT_NAME }}" - path: obj/artifacts/doc - if-no-files-found: ignore - retention-days: 5 - if: success() && !env.SKIP_JOB - - name: upload artifacts to S3 - run: src/ci/scripts/upload-artifacts.sh - env: - AWS_ACCESS_KEY_ID: "${{ env.ARTIFACTS_AWS_ACCESS_KEY_ID }}" - AWS_SECRET_ACCESS_KEY: "${{ secrets[format('AWS_SECRET_ACCESS_KEY_{0}', env.ARTIFACTS_AWS_ACCESS_KEY_ID)] }}" - if: "success() && !env.SKIP_JOB && (github.event_name == 'push' || env.DEPLOY == '1' || env.DEPLOY_ALT == '1')" - auto: - name: "auto - ${{ matrix.name }}" - env: - CI_JOB_NAME: "${{ matrix.name }}" - CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse - HEAD_SHA: "${{ github.event.pull_request.head.sha || github.sha }}" - DOCKER_TOKEN: "${{ secrets.GITHUB_TOKEN }}" - SCCACHE_BUCKET: rust-lang-ci-sccache2 - DEPLOY_BUCKET: rust-lang-ci2 - TOOLSTATE_REPO: "https://github.com/rust-lang-nursery/rust-toolstate" - TOOLSTATE_ISSUES_API_URL: "https://api.github.com/repos/rust-lang/rust/issues" - TOOLSTATE_PUBLISH: 1 - CACHES_AWS_ACCESS_KEY_ID: AKIA46X5W6CZI5DHEBFL - ARTIFACTS_AWS_ACCESS_KEY_ID: AKIA46X5W6CZN24CBO55 - AWS_REGION: us-west-1 - CACHE_DOMAIN: ci-caches.rust-lang.org - if: "github.event_name == 'push' && github.ref == 'refs/heads/auto' && github.repository == 'rust-lang-ci/rust'" - strategy: - matrix: - include: - - name: aarch64-gnu - os: - - self-hosted - - ARM64 - - linux - - name: arm-android - os: ubuntu-20.04-8core-32gb - env: {} - - name: armhf-gnu - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-aarch64-linux - env: - CODEGEN_BACKENDS: "llvm,cranelift" - os: ubuntu-20.04-8core-32gb - - name: dist-android - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-arm-linux - os: ubuntu-20.04-16core-64gb - env: {} - - name: dist-armhf-linux - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-armv7-linux - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-i586-gnu-i586-i686-musl - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-i686-linux - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-loongarch64-linux - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-ohos - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-powerpc-linux - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-powerpc64-linux - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-powerpc64le-linux - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-riscv64-linux - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-s390x-linux - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-various-1 - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-various-2 - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-x86_64-freebsd - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-x86_64-illumos - os: ubuntu-20.04-8core-32gb - env: {} - - name: dist-x86_64-linux - env: - CODEGEN_BACKENDS: "llvm,cranelift" - os: ubuntu-20.04-16core-64gb - - name: dist-x86_64-linux-alt - env: - IMAGE: dist-x86_64-linux - CODEGEN_BACKENDS: "llvm,cranelift" - os: ubuntu-20.04-16core-64gb - - name: dist-x86_64-musl - env: - CODEGEN_BACKENDS: "llvm,cranelift" - os: ubuntu-20.04-8core-32gb - - name: dist-x86_64-netbsd - os: ubuntu-20.04-8core-32gb - env: {} - - name: i686-gnu - os: ubuntu-20.04-8core-32gb - env: {} - - name: i686-gnu-nopt - os: ubuntu-20.04-8core-32gb - env: {} - - name: mingw-check - os: ubuntu-20.04-4core-16gb - env: {} - - name: test-various - os: ubuntu-20.04-8core-32gb - env: {} - - name: x86_64-gnu - os: ubuntu-20.04-4core-16gb - env: {} - - name: x86_64-gnu-stable - env: - IMAGE: x86_64-gnu - RUST_CI_OVERRIDE_RELEASE_CHANNEL: stable - CI_ONLY_WHEN_CHANNEL: nightly - os: ubuntu-20.04-4core-16gb - - name: x86_64-gnu-aux - os: ubuntu-20.04-4core-16gb - env: {} - - name: x86_64-gnu-integration - env: - CI_ONLY_WHEN_CHANNEL: nightly - os: ubuntu-20.04-8core-32gb - - name: x86_64-gnu-debug - os: ubuntu-20.04-8core-32gb - env: {} - - name: x86_64-gnu-distcheck - os: ubuntu-20.04-8core-32gb - env: {} - - name: x86_64-gnu-llvm-18 - env: - RUST_BACKTRACE: 1 - os: ubuntu-20.04-8core-32gb - - name: x86_64-gnu-llvm-17 - env: - RUST_BACKTRACE: 1 - os: ubuntu-20.04-8core-32gb - - name: x86_64-gnu-nopt - os: ubuntu-20.04-4core-16gb - env: {} - - name: x86_64-gnu-tools - env: - DEPLOY_TOOLSTATES_JSON: toolstates-linux.json - 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" - RUST_CONFIGURE_ARGS: "--enable-full-tools --enable-sanitizers --enable-profiler --set rust.jemalloc --set rust.lto=thin --set rust.codegen-units=1" - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - MACOSX_DEPLOYMENT_TARGET: 10.12 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - DIST_REQUIRE_ALL_TOOLS: 1 - CODEGEN_BACKENDS: "llvm,cranelift" - os: macos-13 - - name: dist-apple-various - env: - SCRIPT: "./x.py dist bootstrap --include-default-paths --host='' --target=aarch64-apple-ios,x86_64-apple-ios,aarch64-apple-ios-sim" - RUST_CONFIGURE_ARGS: "--enable-sanitizers --enable-profiler --set rust.jemalloc" - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - MACOSX_DEPLOYMENT_TARGET: 10.12 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - os: macos-13 - - name: x86_64-apple-1 - env: - SCRIPT: "./x.py --stage 2 test --skip tests/ui --skip tests/rustdoc --skip tests/run-make-fulldeps" - RUST_CONFIGURE_ARGS: "--build=x86_64-apple-darwin --enable-sanitizers --enable-profiler --set rust.jemalloc" - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - MACOSX_DEPLOYMENT_TARGET: 10.12 - MACOSX_STD_DEPLOYMENT_TARGET: 10.12 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - os: macos-13 - - name: x86_64-apple-2 - env: - SCRIPT: "./x.py --stage 2 test tests/ui tests/rustdoc tests/run-make-fulldeps" - RUST_CONFIGURE_ARGS: "--build=x86_64-apple-darwin --enable-sanitizers --enable-profiler --set rust.jemalloc" - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - MACOSX_DEPLOYMENT_TARGET: 10.12 - MACOSX_STD_DEPLOYMENT_TARGET: 10.12 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - os: macos-13 - - name: dist-aarch64-apple - env: - SCRIPT: "./x.py dist bootstrap --include-default-paths --host=aarch64-apple-darwin --target=aarch64-apple-darwin" - RUST_CONFIGURE_ARGS: "--enable-full-tools --enable-sanitizers --enable-profiler --set rust.jemalloc --set llvm.ninja=false --set rust.lto=thin" - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - USE_XCODE_CLANG: 1 - MACOSX_DEPLOYMENT_TARGET: 11.0 - MACOSX_STD_DEPLOYMENT_TARGET: 11.0 - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - DIST_REQUIRE_ALL_TOOLS: 1 - os: macos-14 - - name: aarch64-apple - env: - SCRIPT: "./x.py --stage 2 test --host=aarch64-apple-darwin --target=aarch64-apple-darwin" - RUST_CONFIGURE_ARGS: "--enable-sanitizers --enable-profiler --set rust.jemalloc" - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - USE_XCODE_CLANG: 1 - MACOSX_DEPLOYMENT_TARGET: 11.0 - MACOSX_STD_DEPLOYMENT_TARGET: 11.0 - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - os: macos-14 - - name: x86_64-msvc - env: - RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-msvc --enable-profiler" - SCRIPT: make ci-msvc - os: windows-2019-8core-32gb - - name: i686-msvc - env: - RUST_CONFIGURE_ARGS: "--build=i686-pc-windows-msvc" - SCRIPT: make ci-msvc - os: windows-2019-8core-32gb - - name: x86_64-msvc-ext - env: - SCRIPT: python x.py --stage 2 test src/tools/cargotest src/tools/cargo && src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh x.py /tmp/toolstate/toolstates.json windows - HOST_TARGET: x86_64-pc-windows-msvc - RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-msvc --enable-lld --save-toolstates=/tmp/toolstate/toolstates.json" - DEPLOY_TOOLSTATES_JSON: toolstates-windows.json - os: windows-2019-8core-32gb - - name: i686-mingw - env: - RUST_CONFIGURE_ARGS: "--build=i686-pc-windows-gnu" - SCRIPT: make ci-mingw - NO_DOWNLOAD_CI_LLVM: 1 - CUSTOM_MINGW: 1 - os: windows-2019-8core-32gb - - name: x86_64-mingw - env: - SCRIPT: make ci-mingw - RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-gnu --enable-profiler" - NO_DOWNLOAD_CI_LLVM: 1 - CUSTOM_MINGW: 1 - os: windows-2019-8core-32gb - - name: dist-x86_64-msvc - env: - RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-msvc --host=x86_64-pc-windows-msvc --target=x86_64-pc-windows-msvc --enable-full-tools --enable-profiler --set rust.codegen-units=1" - SCRIPT: python x.py build --set rust.debug=true opt-dist && PGO_HOST=x86_64-pc-windows-msvc ./build/x86_64-pc-windows-msvc/stage0-tools-bin/opt-dist windows-ci -- python x.py dist bootstrap --include-default-paths - DIST_REQUIRE_ALL_TOOLS: 1 - os: windows-2019-8core-32gb - - name: dist-i686-msvc - env: - RUST_CONFIGURE_ARGS: "--build=i686-pc-windows-msvc --host=i686-pc-windows-msvc --target=i686-pc-windows-msvc,i586-pc-windows-msvc --enable-full-tools --enable-profiler" - SCRIPT: python x.py dist bootstrap --include-default-paths - DIST_REQUIRE_ALL_TOOLS: 1 - os: windows-2019-8core-32gb - - name: dist-aarch64-msvc - env: - RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-msvc --host=aarch64-pc-windows-msvc --enable-full-tools --enable-profiler" - SCRIPT: python x.py dist bootstrap --include-default-paths - DIST_REQUIRE_ALL_TOOLS: 1 - os: windows-2019-8core-32gb - - name: dist-i686-mingw - env: - RUST_CONFIGURE_ARGS: "--build=i686-pc-windows-gnu --enable-full-tools --enable-profiler" - NO_DOWNLOAD_CI_LLVM: 1 - SCRIPT: python x.py dist bootstrap --include-default-paths - CUSTOM_MINGW: 1 - DIST_REQUIRE_ALL_TOOLS: 1 - os: windows-2019-8core-32gb - - name: dist-x86_64-mingw - env: - SCRIPT: python x.py dist bootstrap --include-default-paths - RUST_CONFIGURE_ARGS: "--build=x86_64-pc-windows-gnu --enable-full-tools --enable-profiler" - NO_DOWNLOAD_CI_LLVM: 1 - CUSTOM_MINGW: 1 - DIST_REQUIRE_ALL_TOOLS: 1 - os: windows-2019-8core-32gb - - 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 - os: windows-2019-8core-32gb - defaults: - run: - shell: "${{ contains(matrix.os, 'windows') && 'msys2 {0}' || 'bash' }}" - timeout-minutes: 600 - runs-on: "${{ matrix.os }}" - steps: - - if: "contains(matrix.os, 'windows')" - uses: msys2/setup-msys2@v2.22.0 - with: - msystem: "${{ contains(matrix.name, 'i686') && 'mingw32' || 'mingw64' }}" - update: false - release: true - path-type: inherit - install: "make dos2unix diffutils\n" - - name: disable git crlf conversion - run: git config --global core.autocrlf false - - name: checkout the source code - uses: actions/checkout@v4 - with: - fetch-depth: 2 - - name: configure the PR in which the error message will be posted - run: "echo \"[CI_PR_NUMBER=$num]\"" - env: - num: "${{ github.event.number }}" - if: "success() && !env.SKIP_JOB && github.event_name == 'pull_request'" - - name: add extra environment variables - run: src/ci/scripts/setup-environment.sh - env: - EXTRA_VARIABLES: "${{ toJson(matrix.env) }}" - if: success() && !env.SKIP_JOB - - name: decide whether to skip this job - run: src/ci/scripts/should-skip-this.sh - if: success() && !env.SKIP_JOB - - name: ensure the channel matches the target branch - run: src/ci/scripts/verify-channel.sh - if: success() && !env.SKIP_JOB - - name: collect CPU statistics - run: src/ci/scripts/collect-cpu-stats.sh - if: success() && !env.SKIP_JOB - - name: show the current environment - run: src/ci/scripts/dump-environment.sh - if: success() && !env.SKIP_JOB - - name: install awscli - run: src/ci/scripts/install-awscli.sh - if: success() && !env.SKIP_JOB - - name: install sccache - run: src/ci/scripts/install-sccache.sh - if: success() && !env.SKIP_JOB - - name: select Xcode - run: src/ci/scripts/select-xcode.sh - if: success() && !env.SKIP_JOB - - name: install clang - run: src/ci/scripts/install-clang.sh - if: success() && !env.SKIP_JOB - - name: install tidy - run: src/ci/scripts/install-tidy.sh - if: success() && !env.SKIP_JOB - - name: install WIX - run: src/ci/scripts/install-wix.sh - if: success() && !env.SKIP_JOB - - name: disable git crlf conversion - run: src/ci/scripts/disable-git-crlf-conversion.sh - if: success() && !env.SKIP_JOB - - name: checkout submodules - run: src/ci/scripts/checkout-submodules.sh - if: success() && !env.SKIP_JOB - - name: install MSYS2 - run: src/ci/scripts/install-msys2.sh - if: success() && !env.SKIP_JOB - - name: install MinGW - run: src/ci/scripts/install-mingw.sh - if: success() && !env.SKIP_JOB - - name: install ninja - run: src/ci/scripts/install-ninja.sh - if: success() && !env.SKIP_JOB - - name: enable ipv6 on Docker - run: src/ci/scripts/enable-docker-ipv6.sh - if: success() && !env.SKIP_JOB - - name: disable git crlf conversion - run: src/ci/scripts/disable-git-crlf-conversion.sh - if: success() && !env.SKIP_JOB - - name: ensure line endings are correct - run: src/ci/scripts/verify-line-endings.sh - if: success() && !env.SKIP_JOB - - name: ensure backported commits are in upstream branches - run: src/ci/scripts/verify-backported-commits.sh - if: success() && !env.SKIP_JOB - - name: ensure the stable version number is correct - run: src/ci/scripts/verify-stable-version-number.sh - if: success() && !env.SKIP_JOB - - name: run the build - run: src/ci/scripts/run-build-from-ci.sh 2>&1 - env: - AWS_ACCESS_KEY_ID: "${{ env.CACHES_AWS_ACCESS_KEY_ID }}" - AWS_SECRET_ACCESS_KEY: "${{ secrets[format('AWS_SECRET_ACCESS_KEY_{0}', env.CACHES_AWS_ACCESS_KEY_ID)] }}" - TOOLSTATE_REPO_ACCESS_TOKEN: "${{ secrets.TOOLSTATE_REPO_ACCESS_TOKEN }}" - if: success() && !env.SKIP_JOB - - name: create github artifacts - run: src/ci/scripts/create-doc-artifacts.sh - if: success() && !env.SKIP_JOB - - name: upload artifacts to github - uses: actions/upload-artifact@v4 - with: - name: "${{ env.DOC_ARTIFACT_NAME }}" - path: obj/artifacts/doc - if-no-files-found: ignore - retention-days: 5 - if: success() && !env.SKIP_JOB - - name: upload artifacts to S3 - run: src/ci/scripts/upload-artifacts.sh - env: - AWS_ACCESS_KEY_ID: "${{ env.ARTIFACTS_AWS_ACCESS_KEY_ID }}" - AWS_SECRET_ACCESS_KEY: "${{ secrets[format('AWS_SECRET_ACCESS_KEY_{0}', env.ARTIFACTS_AWS_ACCESS_KEY_ID)] }}" - if: "success() && !env.SKIP_JOB && (github.event_name == 'push' || env.DEPLOY == '1' || env.DEPLOY_ALT == '1')" - try: - name: "try - ${{ matrix.name }}" - env: - DIST_TRY_BUILD: 1 - CI_JOB_NAME: "${{ matrix.name }}" - CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse - HEAD_SHA: "${{ github.event.pull_request.head.sha || github.sha }}" - DOCKER_TOKEN: "${{ secrets.GITHUB_TOKEN }}" - SCCACHE_BUCKET: rust-lang-ci-sccache2 - DEPLOY_BUCKET: rust-lang-ci2 - TOOLSTATE_REPO: "https://github.com/rust-lang-nursery/rust-toolstate" - TOOLSTATE_ISSUES_API_URL: "https://api.github.com/repos/rust-lang/rust/issues" - TOOLSTATE_PUBLISH: 1 - CACHES_AWS_ACCESS_KEY_ID: AKIA46X5W6CZI5DHEBFL - ARTIFACTS_AWS_ACCESS_KEY_ID: AKIA46X5W6CZN24CBO55 - AWS_REGION: us-west-1 - CACHE_DOMAIN: ci-caches.rust-lang.org - if: "github.event_name == 'push' && (((github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.repository == 'rust-lang-ci/rust') || ((github.ref == 'refs/heads/automation/bors/try') && github.repository == 'rust-lang/rust'))" - strategy: - matrix: - include: - - name: dist-x86_64-linux - env: - CODEGEN_BACKENDS: "llvm,cranelift" - os: ubuntu-20.04-16core-64gb + if: "fromJSON(needs.calculate_matrix.outputs.jobs)[0] != null" defaults: run: shell: "${{ contains(matrix.os, 'windows') && 'msys2 {0}' || 'bash' }}" @@ -755,7 +205,7 @@ jobs: if: success() && !env.SKIP_JOB try-success: needs: - - try + - job if: "success() && github.event_name == 'push' && (github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.repository == 'rust-lang-ci/rust'" steps: - name: mark the job as a success @@ -765,7 +215,7 @@ jobs: runs-on: ubuntu-latest try-failure: needs: - - try + - job if: "!success() && github.event_name == 'push' && (github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.repository == 'rust-lang-ci/rust'" steps: - name: mark the job as a failure @@ -775,7 +225,7 @@ jobs: runs-on: ubuntu-latest auto-success: needs: - - auto + - job if: "success() && github.event_name == 'push' && github.ref == 'refs/heads/auto' && github.repository == 'rust-lang-ci/rust'" steps: - name: mark the job as a success @@ -785,7 +235,7 @@ jobs: runs-on: ubuntu-latest auto-failure: needs: - - auto + - job if: "!success() && github.event_name == 'push' && github.ref == 'refs/heads/auto' && github.repository == 'rust-lang-ci/rust'" steps: - name: mark the job as a failure diff --git a/compiler/rustc_ast_lowering/messages.ftl b/compiler/rustc_ast_lowering/messages.ftl index a23e714ef01..73001c9990c 100644 --- a/compiler/rustc_ast_lowering/messages.ftl +++ b/compiler/rustc_ast_lowering/messages.ftl @@ -163,3 +163,6 @@ ast_lowering_underscore_expr_lhs_assign = .label = `_` not allowed here ast_lowering_use_angle_brackets = use angle brackets instead +ast_lowering_yield_in_closure = + `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + .suggestion = use `#[coroutine]` to make this closure a coroutine diff --git a/compiler/rustc_ast_lowering/src/errors.rs b/compiler/rustc_ast_lowering/src/errors.rs index 6799513a323..6f70e135c72 100644 --- a/compiler/rustc_ast_lowering/src/errors.rs +++ b/compiler/rustc_ast_lowering/src/errors.rs @@ -421,3 +421,12 @@ pub(crate) struct NoPreciseCapturesOnApit { #[primary_span] pub span: Span, } + +#[derive(Diagnostic)] +#[diag(ast_lowering_yield_in_closure)] +pub(crate) struct YieldInClosure { + #[primary_span] + pub span: Span, + #[suggestion(code = "#[coroutine] ", applicability = "maybe-incorrect", style = "verbose")] + pub suggestion: Option<Span>, +} diff --git a/compiler/rustc_ast_lowering/src/expr.rs b/compiler/rustc_ast_lowering/src/expr.rs index 2305cc07795..5cc05d7336e 100644 --- a/compiler/rustc_ast_lowering/src/expr.rs +++ b/compiler/rustc_ast_lowering/src/expr.rs @@ -8,6 +8,7 @@ use super::errors::{ }; use super::ResolverAstLoweringExt; use super::{ImplTraitContext, LoweringContext, ParamMode, ParenthesizedGenericArgs}; +use crate::errors::YieldInClosure; use crate::{FnDeclKind, ImplTraitPosition}; use rustc_ast::ptr::P as AstP; use rustc_ast::*; @@ -217,6 +218,7 @@ impl<'hir> LoweringContext<'_, 'hir> { binder, *capture_clause, e.id, + hir_id, *constness, *movability, fn_decl, @@ -955,6 +957,7 @@ impl<'hir> LoweringContext<'_, 'hir> { binder: &ClosureBinder, capture_clause: CaptureBy, closure_id: NodeId, + closure_hir_id: hir::HirId, constness: Const, movability: Movability, decl: &FnDecl, @@ -965,8 +968,17 @@ impl<'hir> LoweringContext<'_, 'hir> { let (binder_clause, generic_params) = self.lower_closure_binder(binder); let (body_id, closure_kind) = self.with_new_scopes(fn_decl_span, move |this| { - let mut coroutine_kind = None; + let mut coroutine_kind = if this + .attrs + .get(&closure_hir_id.local_id) + .is_some_and(|attrs| attrs.iter().any(|attr| attr.has_name(sym::coroutine))) + { + Some(hir::CoroutineKind::Coroutine(Movability::Movable)) + } else { + None + }; let body_id = this.lower_fn_body(decl, |this| { + this.coroutine_kind = coroutine_kind; let e = this.lower_expr_mut(body); coroutine_kind = this.coroutine_kind; e @@ -1565,7 +1577,10 @@ impl<'hir> LoweringContext<'_, 'hir> { ) .emit(); } + let suggestion = self.current_item.map(|s| s.shrink_to_lo()); + self.dcx().emit_err(YieldInClosure { span, suggestion }); self.coroutine_kind = Some(hir::CoroutineKind::Coroutine(Movability::Movable)); + false } }; diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs index e4c633aa324..1d52b4107d7 100644 --- a/compiler/rustc_ast_lowering/src/item.rs +++ b/compiler/rustc_ast_lowering/src/item.rs @@ -203,7 +203,7 @@ impl<'hir> LoweringContext<'_, 'hir> { body, .. }) => { - self.with_new_scopes(ident.span, |this| { + self.with_new_scopes(*fn_sig_span, |this| { // Note: we don't need to change the return type from `T` to // `impl Future<Output = T>` here because lower_body // only cares about the input argument patterns in the function diff --git a/compiler/rustc_codegen_cranelift/example/polymorphize_coroutine.rs b/compiler/rustc_codegen_cranelift/example/polymorphize_coroutine.rs index c965b34e13b..407da94c0f0 100644 --- a/compiler/rustc_codegen_cranelift/example/polymorphize_coroutine.rs +++ b/compiler/rustc_codegen_cranelift/example/polymorphize_coroutine.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::pin::Pin; @@ -8,7 +8,8 @@ fn main() { } fn run_coroutine<T>() { - let mut coroutine = || { + let mut coroutine = #[coroutine] + || { yield; return; }; diff --git a/compiler/rustc_codegen_cranelift/example/std_example.rs b/compiler/rustc_codegen_cranelift/example/std_example.rs index 0205de55622..90d4ab721da 100644 --- a/compiler/rustc_codegen_cranelift/example/std_example.rs +++ b/compiler/rustc_codegen_cranelift/example/std_example.rs @@ -1,6 +1,7 @@ #![feature( core_intrinsics, coroutines, + stmt_expr_attributes, coroutine_trait, is_sorted, repr_simd, @@ -123,9 +124,12 @@ fn main() { test_simd(); } - Box::pin(move |mut _task_context| { - yield (); - }) + Box::pin( + #[coroutine] + move |mut _task_context| { + yield (); + }, + ) .as_mut() .resume(0); diff --git a/compiler/rustc_codegen_gcc/example/std_example.rs b/compiler/rustc_codegen_gcc/example/std_example.rs index ad69409eb65..8ab8fcc525e 100644 --- a/compiler/rustc_codegen_gcc/example/std_example.rs +++ b/compiler/rustc_codegen_gcc/example/std_example.rs @@ -1,5 +1,5 @@ #![allow(internal_features)] -#![feature(core_intrinsics, coroutines, coroutine_trait, is_sorted)] +#![feature(core_intrinsics, coroutines, coroutine_trait, is_sorted, stmt_expr_attributes)] #[cfg(feature="master")] #[cfg(target_arch="x86_64")] @@ -103,7 +103,7 @@ fn main() { test_simd(); } - Box::pin(move |mut _task_context| { + Box::pin(#[coroutine] move |mut _task_context| { yield (); }).as_mut().resume(0); diff --git a/compiler/rustc_codegen_gcc/src/builder.rs b/compiler/rustc_codegen_gcc/src/builder.rs index d353704fb75..23a5e5ff873 100644 --- a/compiler/rustc_codegen_gcc/src/builder.rs +++ b/compiler/rustc_codegen_gcc/src/builder.rs @@ -898,26 +898,20 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> { self.gcc_checked_binop(oop, typ, lhs, rhs) } - fn alloca(&mut self, ty: Type<'gcc>, align: Align) -> RValue<'gcc> { - // FIXME(antoyo): this check that we don't call get_aligned() a second time on a type. - // Ideally, we shouldn't need to do this check. - let aligned_type = if ty == self.cx.u128_type || ty == self.cx.i128_type { - ty - } else { - ty.get_aligned(align.bytes()) - }; + fn alloca(&mut self, size: Size, align: Align) -> RValue<'gcc> { + let ty = self.cx.type_array(self.cx.type_i8(), size.bytes()).get_aligned(align.bytes()); // TODO(antoyo): It might be better to return a LValue, but fixing the rustc API is non-trivial. self.stack_var_count.set(self.stack_var_count.get() + 1); self.current_func() .new_local( self.location, - aligned_type, + ty, &format!("stack_var_{}", self.stack_var_count.get()), ) .get_address(self.location) } - fn byte_array_alloca(&mut self, _len: RValue<'gcc>, _align: Align) -> RValue<'gcc> { + fn dynamic_alloca(&mut self, _len: RValue<'gcc>, _align: Align) -> RValue<'gcc> { unimplemented!(); } diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs index bee6bda007c..b7aec97ad8c 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs @@ -531,7 +531,7 @@ impl<'gcc, 'tcx> ArgAbiExt<'gcc, 'tcx> for ArgAbi<'tcx, Ty<'tcx>> { // We instead thus allocate some scratch space... let scratch_size = cast.size(bx); let scratch_align = cast.align(bx); - let llscratch = bx.alloca(cast.gcc_type(bx), scratch_align); + let llscratch = bx.alloca(scratch_size, scratch_align); bx.lifetime_start(llscratch, scratch_size); // ... where we first store the value... diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs b/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs index 6039a4aaf01..0c7cffbe730 100644 --- a/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs +++ b/compiler/rustc_codegen_gcc/src/intrinsic/simd.rs @@ -18,7 +18,7 @@ use rustc_middle::span_bug; use rustc_middle::ty::layout::HasTyCtxt; use rustc_middle::ty::{self, Ty}; use rustc_span::{sym, Span, Symbol}; -use rustc_target::abi::Align; +use rustc_target::abi::{Align, Size}; use crate::builder::Builder; #[cfg(not(feature = "master"))] @@ -558,7 +558,7 @@ pub fn generic_simd_intrinsic<'a, 'gcc, 'tcx>( let ze = bx.zext(result, bx.type_ix(expected_bytes * 8)); // Convert the integer to a byte array - let ptr = bx.alloca(bx.type_ix(expected_bytes * 8), Align::ONE); + let ptr = bx.alloca(Size::from_bytes(expected_bytes), Align::ONE); bx.store(ze, ptr, Align::ONE); let array_ty = bx.type_array(bx.type_i8(), expected_bytes); let ptr = bx.pointercast(ptr, bx.cx.type_ptr_to(array_ty)); diff --git a/compiler/rustc_codegen_llvm/src/abi.rs b/compiler/rustc_codegen_llvm/src/abi.rs index c0b43b77897..aec11e9905f 100644 --- a/compiler/rustc_codegen_llvm/src/abi.rs +++ b/compiler/rustc_codegen_llvm/src/abi.rs @@ -227,7 +227,7 @@ impl<'ll, 'tcx> ArgAbiExt<'ll, 'tcx> for ArgAbi<'tcx, Ty<'tcx>> { // when passed by value, making it larger. let copy_bytes = cmp::min(scratch_size.bytes(), self.layout.size.bytes()); // Allocate some scratch space... - let llscratch = bx.alloca(cast.llvm_type(bx), scratch_align); + let llscratch = bx.alloca(scratch_size, scratch_align); bx.lifetime_start(llscratch, scratch_size); // ...store the value... bx.store(val, llscratch, scratch_align); diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs index 4c2bdb2f5ec..f7546039540 100644 --- a/compiler/rustc_codegen_llvm/src/builder.rs +++ b/compiler/rustc_codegen_llvm/src/builder.rs @@ -468,9 +468,10 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { val } - fn alloca(&mut self, ty: &'ll Type, align: Align) -> &'ll Value { + fn alloca(&mut self, size: Size, align: Align) -> &'ll Value { let mut bx = Builder::with_cx(self.cx); bx.position_at_start(unsafe { llvm::LLVMGetFirstBasicBlock(self.llfn()) }); + let ty = self.cx().type_array(self.cx().type_i8(), size.bytes()); unsafe { let alloca = llvm::LLVMBuildAlloca(bx.llbuilder, ty, UNNAMED); llvm::LLVMSetAlignment(alloca, align.bytes() as c_uint); @@ -478,10 +479,10 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> { } } - fn byte_array_alloca(&mut self, len: &'ll Value, align: Align) -> &'ll Value { + fn dynamic_alloca(&mut self, size: &'ll Value, align: Align) -> &'ll Value { unsafe { let alloca = - llvm::LLVMBuildArrayAlloca(self.llbuilder, self.cx().type_i8(), len, UNNAMED); + llvm::LLVMBuildArrayAlloca(self.llbuilder, self.cx().type_i8(), size, UNNAMED); llvm::LLVMSetAlignment(alloca, align.bytes() as c_uint); alloca } diff --git a/compiler/rustc_codegen_llvm/src/intrinsic.rs b/compiler/rustc_codegen_llvm/src/intrinsic.rs index ab9f20fdf63..41347333ea6 100644 --- a/compiler/rustc_codegen_llvm/src/intrinsic.rs +++ b/compiler/rustc_codegen_llvm/src/intrinsic.rs @@ -18,7 +18,7 @@ use rustc_middle::ty::layout::{FnAbiOf, HasTyCtxt, LayoutOf}; use rustc_middle::ty::{self, GenericArgsRef, Ty}; use rustc_middle::{bug, span_bug}; use rustc_span::{sym, Span, Symbol}; -use rustc_target::abi::{self, Align, HasDataLayout, Primitive}; +use rustc_target::abi::{self, Align, HasDataLayout, Primitive, Size}; use rustc_target::spec::{HasTargetSpec, PanicStrategy}; use std::cmp::Ordering; @@ -649,8 +649,9 @@ fn codegen_msvc_try<'ll>( // } // // More information can be found in libstd's seh.rs implementation. + let ptr_size = bx.tcx().data_layout.pointer_size; let ptr_align = bx.tcx().data_layout.pointer_align.abi; - let slot = bx.alloca(bx.type_ptr(), ptr_align); + let slot = bx.alloca(ptr_size, ptr_align); let try_func_ty = bx.type_func(&[bx.type_ptr()], bx.type_void()); bx.invoke(try_func_ty, None, None, try_func, &[data], normal, catchswitch, None, None); @@ -920,15 +921,14 @@ fn codegen_emcc_try<'ll>( // We need to pass two values to catch_func (ptr and is_rust_panic), so // create an alloca and pass a pointer to that. + let ptr_size = bx.tcx().data_layout.pointer_size; let ptr_align = bx.tcx().data_layout.pointer_align.abi; let i8_align = bx.tcx().data_layout.i8_align.abi; - let catch_data_type = bx.type_struct(&[bx.type_ptr(), bx.type_bool()], false); - let catch_data = bx.alloca(catch_data_type, ptr_align); - let catch_data_0 = - bx.inbounds_gep(catch_data_type, catch_data, &[bx.const_usize(0), bx.const_usize(0)]); - bx.store(ptr, catch_data_0, ptr_align); - let catch_data_1 = - bx.inbounds_gep(catch_data_type, catch_data, &[bx.const_usize(0), bx.const_usize(1)]); + // Required in order for there to be no padding between the fields. + assert!(i8_align <= ptr_align); + let catch_data = bx.alloca(2 * ptr_size, ptr_align); + bx.store(ptr, catch_data, ptr_align); + let catch_data_1 = bx.inbounds_ptradd(catch_data, bx.const_usize(ptr_size.bytes())); bx.store(is_rust_panic, catch_data_1, i8_align); let catch_ty = bx.type_func(&[bx.type_ptr(), bx.type_ptr()], bx.type_void()); @@ -1374,7 +1374,7 @@ fn generic_simd_intrinsic<'ll, 'tcx>( let ze = bx.zext(i_, bx.type_ix(expected_bytes * 8)); // Convert the integer to a byte array - let ptr = bx.alloca(bx.type_ix(expected_bytes * 8), Align::ONE); + let ptr = bx.alloca(Size::from_bytes(expected_bytes), Align::ONE); bx.store(ze, ptr, Align::ONE); let array_ty = bx.type_array(bx.type_i8(), expected_bytes); return Ok(bx.load(array_ty, ptr, Align::ONE)); diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs index 930b9b8c0db..ae7c0f24b40 100644 --- a/compiler/rustc_codegen_ssa/src/base.rs +++ b/compiler/rustc_codegen_ssa/src/base.rs @@ -508,7 +508,7 @@ fn get_argc_argv<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>( let ptr_size = bx.tcx().data_layout.pointer_size; let ptr_align = bx.tcx().data_layout.pointer_align.abi; let arg_argc = bx.const_int(cx.type_isize(), 2); - let arg_argv = bx.alloca(cx.type_array(cx.type_ptr(), 2), ptr_align); + let arg_argv = bx.alloca(2 * ptr_size, ptr_align); bx.store(param_handle, arg_argv, ptr_align); let arg_argv_el1 = bx.inbounds_ptradd(arg_argv, bx.const_usize(ptr_size.bytes())); bx.store(param_system_table, arg_argv_el1, ptr_align); diff --git a/compiler/rustc_codegen_ssa/src/mir/block.rs b/compiler/rustc_codegen_ssa/src/mir/block.rs index 64c13fa7c1f..d4d172c000f 100644 --- a/compiler/rustc_codegen_ssa/src/mir/block.rs +++ b/compiler/rustc_codegen_ssa/src/mir/block.rs @@ -1517,7 +1517,7 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> { // when passed by value, making it larger. let copy_bytes = cmp::min(scratch_size.bytes(), arg.layout.size.bytes()); // Allocate some scratch space... - let llscratch = bx.alloca(bx.cast_backend_type(cast), scratch_align); + let llscratch = bx.alloca(scratch_size, scratch_align); bx.lifetime_start(llscratch, scratch_size); // ...memcpy the value... bx.memcpy( diff --git a/compiler/rustc_codegen_ssa/src/mir/operand.rs b/compiler/rustc_codegen_ssa/src/mir/operand.rs index 9cf64e2d676..e5fd59657a4 100644 --- a/compiler/rustc_codegen_ssa/src/mir/operand.rs +++ b/compiler/rustc_codegen_ssa/src/mir/operand.rs @@ -327,7 +327,7 @@ impl<'a, 'tcx, V: CodegenObject> OperandRef<'tcx, V> { let llfield_ty = bx.cx().backend_type(field); // Can't bitcast an aggregate, so round trip through memory. - let llptr = bx.alloca(llfield_ty, field.align.abi); + let llptr = bx.alloca(field.size, field.align.abi); bx.store(*llval, llptr, field.align.abi); *llval = bx.load(llfield_ty, llptr, field.align.abi); } @@ -470,7 +470,7 @@ impl<'a, 'tcx, V: CodegenObject> OperandValue<V> { let align_minus_1 = bx.sub(align, one); let size_extra = bx.add(size, align_minus_1); let min_align = Align::ONE; - let alloca = bx.byte_array_alloca(size_extra, min_align); + let alloca = bx.dynamic_alloca(size_extra, min_align); let address = bx.ptrtoint(alloca, bx.type_isize()); let neg_address = bx.neg(address); let offset = bx.and(neg_address, align_minus_1); diff --git a/compiler/rustc_codegen_ssa/src/mir/place.rs b/compiler/rustc_codegen_ssa/src/mir/place.rs index 90627da579e..b23d0894da6 100644 --- a/compiler/rustc_codegen_ssa/src/mir/place.rs +++ b/compiler/rustc_codegen_ssa/src/mir/place.rs @@ -81,7 +81,7 @@ impl<'a, 'tcx, V: CodegenObject> PlaceRef<'tcx, V> { align: Align, ) -> Self { assert!(layout.is_sized(), "tried to statically allocate unsized place"); - let tmp = bx.alloca(bx.cx().backend_type(layout), align); + let tmp = bx.alloca(layout.size, align); Self::new_sized_aligned(tmp, layout, align) } diff --git a/compiler/rustc_codegen_ssa/src/traits/builder.rs b/compiler/rustc_codegen_ssa/src/traits/builder.rs index 9191618c064..51b22bfaf25 100644 --- a/compiler/rustc_codegen_ssa/src/traits/builder.rs +++ b/compiler/rustc_codegen_ssa/src/traits/builder.rs @@ -144,8 +144,8 @@ pub trait BuilderMethods<'a, 'tcx>: } fn to_immediate_scalar(&mut self, val: Self::Value, scalar: Scalar) -> Self::Value; - fn alloca(&mut self, ty: Self::Type, align: Align) -> Self::Value; - fn byte_array_alloca(&mut self, len: Self::Value, align: Align) -> Self::Value; + fn alloca(&mut self, size: Size, align: Align) -> Self::Value; + fn dynamic_alloca(&mut self, size: Self::Value, align: Align) -> Self::Value; fn load(&mut self, ty: Self::Type, ptr: Self::Value, align: Align) -> Self::Value; fn volatile_load(&mut self, ty: Self::Type, ptr: Self::Value) -> Self::Value; diff --git a/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs b/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs index ba2e2a1e353..7b6828c6e18 100644 --- a/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs +++ b/compiler/rustc_const_eval/src/const_eval/dummy_machine.rs @@ -46,6 +46,9 @@ impl<'mir, 'tcx: 'mir> interpret::Machine<'mir, 'tcx> for DummyMachine { type MemoryKind = !; const PANIC_ON_ALLOC_FAIL: bool = true; + // We want to just eval random consts in the program, so `eval_mir_const` can fail. + const ALL_CONSTS_ARE_PRECHECKED: bool = false; + #[inline(always)] fn enforce_alignment(_ecx: &InterpCx<'mir, 'tcx, Self>) -> bool { false // no reason to enforce alignment diff --git a/compiler/rustc_const_eval/src/interpret/eval_context.rs b/compiler/rustc_const_eval/src/interpret/eval_context.rs index 62d169db628..126d64329f8 100644 --- a/compiler/rustc_const_eval/src/interpret/eval_context.rs +++ b/compiler/rustc_const_eval/src/interpret/eval_context.rs @@ -822,15 +822,13 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { self.stack_mut().push(frame); // Make sure all the constants required by this frame evaluate successfully (post-monomorphization check). - if M::POST_MONO_CHECKS { - for &const_ in &body.required_consts { - let c = self - .instantiate_from_current_frame_and_normalize_erasing_regions(const_.const_)?; - c.eval(*self.tcx, self.param_env, const_.span).map_err(|err| { - err.emit_note(*self.tcx); - err - })?; - } + for &const_ in &body.required_consts { + let c = + self.instantiate_from_current_frame_and_normalize_erasing_regions(const_.const_)?; + c.eval(*self.tcx, self.param_env, const_.span).map_err(|err| { + err.emit_note(*self.tcx); + err + })?; } // done @@ -1181,8 +1179,10 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> { ) -> InterpResult<'tcx, OpTy<'tcx, M::Provenance>> { M::eval_mir_constant(self, *val, span, layout, |ecx, val, span, layout| { let const_val = val.eval(*ecx.tcx, ecx.param_env, span).map_err(|err| { - // FIXME: somehow this is reachable even when POST_MONO_CHECKS is on. - // Are we not always populating `required_consts`? + if M::ALL_CONSTS_ARE_PRECHECKED && !matches!(err, ErrorHandled::TooGeneric(..)) { + // Looks like the const is not captued by `required_consts`, that's bad. + bug!("interpret const eval failure of {val:?} which is not in required_consts"); + } err.emit_note(*ecx.tcx); err })?; diff --git a/compiler/rustc_const_eval/src/interpret/machine.rs b/compiler/rustc_const_eval/src/interpret/machine.rs index 7617cb57b3c..8bc569bed54 100644 --- a/compiler/rustc_const_eval/src/interpret/machine.rs +++ b/compiler/rustc_const_eval/src/interpret/machine.rs @@ -140,8 +140,9 @@ pub trait Machine<'mir, 'tcx: 'mir>: Sized { /// Should the machine panic on allocation failures? const PANIC_ON_ALLOC_FAIL: bool; - /// Should post-monomorphization checks be run when a stack frame is pushed? - const POST_MONO_CHECKS: bool = true; + /// Determines whether `eval_mir_constant` can never fail because all required consts have + /// already been checked before. + const ALL_CONSTS_ARE_PRECHECKED: bool = true; /// Whether memory accesses should be alignment-checked. fn enforce_alignment(ecx: &InterpCx<'mir, 'tcx, Self>) -> bool; diff --git a/compiler/rustc_error_codes/src/error_codes/E0626.md b/compiler/rustc_error_codes/src/error_codes/E0626.md index e2534415d83..28d543350ff 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0626.md +++ b/compiler/rustc_error_codes/src/error_codes/E0626.md @@ -4,10 +4,10 @@ yield point. Erroneous code example: ```compile_fail,E0626 -# #![feature(coroutines, coroutine_trait, pin)] +# #![feature(coroutines, coroutine_trait, stmt_expr_attributes)] # use std::ops::Coroutine; # use std::pin::Pin; -let mut b = || { +let mut b = #[coroutine] || { let a = &String::new(); // <-- This borrow... yield (); // ...is still in scope here, when the yield occurs. println!("{}", a); @@ -23,10 +23,10 @@ resolve the previous example by removing the borrow and just storing the integer by value: ``` -# #![feature(coroutines, coroutine_trait, pin)] +# #![feature(coroutines, coroutine_trait, stmt_expr_attributes)] # use std::ops::Coroutine; # use std::pin::Pin; -let mut b = || { +let mut b = #[coroutine] || { let a = 3; yield (); println!("{}", a); @@ -41,10 +41,10 @@ in those cases, something like the `Rc` or `Arc` types may be useful. This error also frequently arises with iteration: ```compile_fail,E0626 -# #![feature(coroutines, coroutine_trait, pin)] +# #![feature(coroutines, coroutine_trait, stmt_expr_attributes)] # use std::ops::Coroutine; # use std::pin::Pin; -let mut b = || { +let mut b = #[coroutine] || { let v = vec![1,2,3]; for &x in &v { // <-- borrow of `v` is still in scope... yield x; // ...when this yield occurs. @@ -57,10 +57,10 @@ Such cases can sometimes be resolved by iterating "by value" (or using `into_iter()`) to avoid borrowing: ``` -# #![feature(coroutines, coroutine_trait, pin)] +# #![feature(coroutines, coroutine_trait, stmt_expr_attributes)] # use std::ops::Coroutine; # use std::pin::Pin; -let mut b = || { +let mut b = #[coroutine] || { let v = vec![1,2,3]; for x in v { // <-- Take ownership of the values instead! yield x; // <-- Now yield is OK. @@ -72,10 +72,10 @@ Pin::new(&mut b).resume(()); If taking ownership is not an option, using indices can work too: ``` -# #![feature(coroutines, coroutine_trait, pin)] +# #![feature(coroutines, coroutine_trait, stmt_expr_attributes)] # use std::ops::Coroutine; # use std::pin::Pin; -let mut b = || { +let mut b = #[coroutine] || { let v = vec![1,2,3]; let len = v.len(); // (*) for i in 0..len { diff --git a/compiler/rustc_error_codes/src/error_codes/E0627.md b/compiler/rustc_error_codes/src/error_codes/E0627.md index 5d366f78fc5..da2e2d355a1 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0627.md +++ b/compiler/rustc_error_codes/src/error_codes/E0627.md @@ -3,7 +3,7 @@ A yield expression was used outside of the coroutine literal. Erroneous code example: ```compile_fail,E0627 -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] fn fake_coroutine() -> &'static str { yield 1; @@ -19,10 +19,10 @@ The error occurs because keyword `yield` can only be used inside the coroutine literal. This can be fixed by constructing the coroutine correctly. ``` -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] fn main() { - let mut coroutine = || { + let mut coroutine = #[coroutine] || { yield 1; return "foo" }; diff --git a/compiler/rustc_error_codes/src/error_codes/E0628.md b/compiler/rustc_error_codes/src/error_codes/E0628.md index ce19bcd56cc..d0d387cf6c7 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0628.md +++ b/compiler/rustc_error_codes/src/error_codes/E0628.md @@ -3,10 +3,10 @@ More than one parameter was used for a coroutine. Erroneous code example: ```compile_fail,E0628 -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] fn main() { - let coroutine = |a: i32, b: i32| { + let coroutine = #[coroutine] |a: i32, b: i32| { // error: too many parameters for a coroutine // Allowed only 0 or 1 parameter yield a; @@ -20,10 +20,10 @@ at most 1 parameter for the coroutine. For example, we might resolve the previous example by passing only one parameter. ``` -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] fn main() { - let coroutine = |a: i32| { + let coroutine = #[coroutine] |a: i32| { yield a; }; } diff --git a/compiler/rustc_error_codes/src/error_codes/E0727.md b/compiler/rustc_error_codes/src/error_codes/E0727.md index fde35885c92..7754186508f 100644 --- a/compiler/rustc_error_codes/src/error_codes/E0727.md +++ b/compiler/rustc_error_codes/src/error_codes/E0727.md @@ -3,10 +3,10 @@ A `yield` clause was used in an `async` context. Erroneous code example: ```compile_fail,E0727,edition2018 -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn main() { - let coroutine = || { + let coroutine = #[coroutine] || { async { yield; } @@ -20,10 +20,10 @@ which is not yet supported. To fix this error, you have to move `yield` out of the `async` block: ```edition2018 -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn main() { - let coroutine = || { + let coroutine = #[coroutine] || { yield; }; } diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs index 23b3f31b437..647cd8d06f2 100644 --- a/compiler/rustc_feature/src/builtin_attrs.rs +++ b/compiler/rustc_feature/src/builtin_attrs.rs @@ -534,6 +534,12 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[ EncodeCrossCrate::Yes, experimental!(cfi_encoding) ), + // `#[coroutine]` attribute to be applied to closures to make them coroutines instead + gated!( + coroutine, Normal, template!(Word), ErrorFollowing, + EncodeCrossCrate::No, coroutines, experimental!(coroutines) + ), + // ========================================================================== // Internal attributes: Stability, deprecation, and unsafe: // ========================================================================== diff --git a/compiler/rustc_hir_typeck/src/coercion.rs b/compiler/rustc_hir_typeck/src/coercion.rs index 9ebb5f95f05..4165fa7f07d 100644 --- a/compiler/rustc_hir_typeck/src/coercion.rs +++ b/compiler/rustc_hir_typeck/src/coercion.rs @@ -1139,7 +1139,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> { // are the same function and their parameters have a LUB. match self.commit_if_ok(|_| { self.at(cause, self.param_env).lub( - DefineOpaqueTypes::No, + DefineOpaqueTypes::Yes, prev_ty, new_ty, ) diff --git a/compiler/rustc_interface/src/queries.rs b/compiler/rustc_interface/src/queries.rs index ee677a092e2..1b9165342d4 100644 --- a/compiler/rustc_interface/src/queries.rs +++ b/compiler/rustc_interface/src/queries.rs @@ -8,7 +8,7 @@ use rustc_codegen_ssa::CodegenResults; use rustc_data_structures::steal::Steal; use rustc_data_structures::svh::Svh; use rustc_data_structures::sync::{AppendOnlyIndexVec, FreezeLock, OnceLock, WorkerLocal}; -use rustc_hir::def_id::{StableCrateId, LOCAL_CRATE}; +use rustc_hir::def_id::{StableCrateId, StableCrateIdMap, LOCAL_CRATE}; use rustc_hir::definitions::Definitions; use rustc_incremental::setup_dep_graph; use rustc_metadata::creader::CStore; @@ -140,11 +140,16 @@ impl<'tcx> Queries<'tcx> { let cstore = FreezeLock::new(Box::new(CStore::new( self.compiler.codegen_backend.metadata_loader(), - stable_crate_id, )) as _); let definitions = FreezeLock::new(Definitions::new(stable_crate_id)); - let untracked = - Untracked { cstore, source_span: AppendOnlyIndexVec::new(), definitions }; + + let stable_crate_ids = FreezeLock::new(StableCrateIdMap::default()); + let untracked = Untracked { + cstore, + source_span: AppendOnlyIndexVec::new(), + definitions, + stable_crate_ids, + }; let qcx = passes::create_global_ctxt( self.compiler, @@ -158,7 +163,8 @@ impl<'tcx> Queries<'tcx> { ); qcx.enter(|tcx| { - let feed = tcx.feed_local_crate(); + let feed = tcx.create_crate_num(stable_crate_id).unwrap(); + assert_eq!(feed.key(), LOCAL_CRATE); feed.crate_name(crate_name); let feed = tcx.feed_unit_query(); diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs index 784fd4b3a3b..888c2427d8f 100644 --- a/compiler/rustc_metadata/src/creader.rs +++ b/compiler/rustc_metadata/src/creader.rs @@ -13,10 +13,10 @@ use rustc_data_structures::sync::{self, FreezeReadGuard, FreezeWriteGuard}; use rustc_errors::DiagCtxt; use rustc_expand::base::SyntaxExtension; use rustc_fs_util::try_canonicalize; -use rustc_hir::def_id::{CrateNum, LocalDefId, StableCrateId, StableCrateIdMap, LOCAL_CRATE}; +use rustc_hir::def_id::{CrateNum, LocalDefId, StableCrateId, LOCAL_CRATE}; use rustc_hir::definitions::Definitions; use rustc_index::IndexVec; -use rustc_middle::ty::TyCtxt; +use rustc_middle::ty::{TyCtxt, TyCtxtFeed}; use rustc_session::config::{self, CrateType, ExternLocation}; use rustc_session::cstore::{CrateDepKind, CrateSource, ExternCrate, ExternCrateSource}; use rustc_session::lint; @@ -62,9 +62,6 @@ pub struct CStore { /// This crate has a `#[alloc_error_handler]` item. has_alloc_error_handler: bool, - /// The interned [StableCrateId]s. - pub(crate) stable_crate_ids: StableCrateIdMap, - /// Unused externs of the crate unused_externs: Vec<Symbol>, } @@ -165,25 +162,27 @@ impl CStore { }) } - fn intern_stable_crate_id(&mut self, root: &CrateRoot) -> Result<CrateNum, CrateError> { - assert_eq!(self.metas.len(), self.stable_crate_ids.len()); - let num = CrateNum::new(self.stable_crate_ids.len()); - if let Some(&existing) = self.stable_crate_ids.get(&root.stable_crate_id()) { + fn intern_stable_crate_id<'tcx>( + &mut self, + root: &CrateRoot, + tcx: TyCtxt<'tcx>, + ) -> Result<TyCtxtFeed<'tcx, CrateNum>, CrateError> { + assert_eq!(self.metas.len(), tcx.untracked().stable_crate_ids.read().len()); + let num = tcx.create_crate_num(root.stable_crate_id()).map_err(|existing| { // Check for (potential) conflicts with the local crate if existing == LOCAL_CRATE { - Err(CrateError::SymbolConflictsCurrent(root.name())) + CrateError::SymbolConflictsCurrent(root.name()) } else if let Some(crate_name1) = self.metas[existing].as_ref().map(|data| data.name()) { let crate_name0 = root.name(); - Err(CrateError::StableCrateIdCollision(crate_name0, crate_name1)) + CrateError::StableCrateIdCollision(crate_name0, crate_name1) } else { - Err(CrateError::NotFound(root.name())) + CrateError::NotFound(root.name()) } - } else { - self.metas.push(None); - self.stable_crate_ids.insert(root.stable_crate_id(), num); - Ok(num) - } + })?; + + self.metas.push(None); + Ok(num) } pub fn has_crate_data(&self, cnum: CrateNum) -> bool { @@ -289,12 +288,7 @@ impl CStore { } } - pub fn new( - metadata_loader: Box<MetadataLoaderDyn>, - local_stable_crate_id: StableCrateId, - ) -> CStore { - let mut stable_crate_ids = StableCrateIdMap::default(); - stable_crate_ids.insert(local_stable_crate_id, LOCAL_CRATE); + pub fn new(metadata_loader: Box<MetadataLoaderDyn>) -> CStore { CStore { metadata_loader, // We add an empty entry for LOCAL_CRATE (which maps to zero) in @@ -307,7 +301,6 @@ impl CStore { alloc_error_handler_kind: None, has_global_allocator: false, has_alloc_error_handler: false, - stable_crate_ids, unused_externs: Vec::new(), } } @@ -416,7 +409,8 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> { let private_dep = self.is_private_dep(name.as_str(), private_dep); // Claim this crate number and cache it - let cnum = self.cstore.intern_stable_crate_id(&crate_root)?; + let feed = self.cstore.intern_stable_crate_id(&crate_root, self.tcx)?; + let cnum = feed.key(); info!( "register crate `{}` (cnum = {}. private_dep = {})", diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs index c4ab4eb2657..fd42c9c1faa 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder.rs @@ -1260,30 +1260,34 @@ impl<'a, 'tcx> CrateMetadataRef<'a> { id: DefIndex, sess: &'a Session, ) -> impl Iterator<Item = ModChild> + 'a { - iter::from_coroutine(move || { - if let Some(data) = &self.root.proc_macro_data { - // If we are loading as a proc macro, we want to return - // the view of this crate as a proc macro crate. - if id == CRATE_DEF_INDEX { - for child_index in data.macros.decode(self) { + iter::from_coroutine( + #[cfg_attr(not(bootstrap), coroutine)] + move || { + if let Some(data) = &self.root.proc_macro_data { + // If we are loading as a proc macro, we want to return + // the view of this crate as a proc macro crate. + if id == CRATE_DEF_INDEX { + for child_index in data.macros.decode(self) { + yield self.get_mod_child(child_index, sess); + } + } + } else { + // Iterate over all children. + let non_reexports = + self.root.tables.module_children_non_reexports.get(self, id); + for child_index in non_reexports.unwrap().decode(self) { yield self.get_mod_child(child_index, sess); } - } - } else { - // Iterate over all children. - let non_reexports = self.root.tables.module_children_non_reexports.get(self, id); - for child_index in non_reexports.unwrap().decode(self) { - yield self.get_mod_child(child_index, sess); - } - let reexports = self.root.tables.module_children_reexports.get(self, id); - if !reexports.is_default() { - for reexport in reexports.decode((self, sess)) { - yield reexport; + let reexports = self.root.tables.module_children_reexports.get(self, id); + if !reexports.is_default() { + for reexport in reexports.decode((self, sess)) { + yield reexport; + } } } - } - }) + }, + ) } fn is_ctfe_mir_available(self, id: DefIndex) -> bool { diff --git a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs index 2935d5b8f63..531b2e05411 100644 --- a/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs +++ b/compiler/rustc_metadata/src/rmeta/decoder/cstore_impl.rs @@ -629,13 +629,6 @@ impl CrateStore for CStore { self.get_crate_data(cnum).root.stable_crate_id } - fn stable_crate_id_to_crate_num(&self, stable_crate_id: StableCrateId) -> CrateNum { - *self - .stable_crate_ids - .get(&stable_crate_id) - .unwrap_or_else(|| bug!("uninterned StableCrateId: {stable_crate_id:?}")) - } - /// Returns the `DefKey` for a given `DefId`. This indicates the /// parent `DefId` as well as some idea of what kind of data the /// `DefId` refers to. @@ -657,7 +650,13 @@ fn provide_cstore_hooks(providers: &mut Providers) { // If this is a DefPathHash from an upstream crate, let the CrateStore map // it to a DefId. let cstore = CStore::from_tcx(tcx.tcx); - let cnum = cstore.stable_crate_id_to_crate_num(stable_crate_id); + let cnum = *tcx + .untracked() + .stable_crate_ids + .read() + .get(&stable_crate_id) + .unwrap_or_else(|| bug!("uninterned StableCrateId: {stable_crate_id:?}")); + assert_ne!(cnum, LOCAL_CRATE); let def_index = cstore.get_crate_data(cnum).def_path_hash_to_def_index(hash); DefId { krate: cnum, index: def_index } }; diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index aadaca18326..80762e3e5c1 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -35,6 +35,7 @@ #![feature(const_type_name)] #![feature(discriminant_kind)] #![feature(coroutines)] +#![feature(stmt_expr_attributes)] #![feature(if_let_guard)] #![feature(inline_const)] #![feature(iter_from_coroutine)] diff --git a/compiler/rustc_middle/src/mir/consts.rs b/compiler/rustc_middle/src/mir/consts.rs index 596271c1e47..6ff40c53c85 100644 --- a/compiler/rustc_middle/src/mir/consts.rs +++ b/compiler/rustc_middle/src/mir/consts.rs @@ -238,6 +238,20 @@ impl<'tcx> Const<'tcx> { } } + /// Determines whether we need to add this const to `required_consts`. This is the case if and + /// only if evaluating it may error. + #[inline] + pub fn is_required_const(&self) -> bool { + match self { + Const::Ty(c) => match c.kind() { + ty::ConstKind::Value(_) => false, // already a value, cannot error + _ => true, + }, + Const::Val(..) => false, // already a value, cannot error + Const::Unevaluated(..) => true, + } + } + #[inline] pub fn try_to_scalar(self) -> Option<Scalar> { match self { diff --git a/compiler/rustc_middle/src/ty/closure.rs b/compiler/rustc_middle/src/ty/closure.rs index 11167515b7c..b66c664e6ae 100644 --- a/compiler/rustc_middle/src/ty/closure.rs +++ b/compiler/rustc_middle/src/ty/closure.rs @@ -422,49 +422,53 @@ pub fn analyze_coroutine_closure_captures<'a, 'tcx: 'a, T>( child_captures: impl IntoIterator<Item = &'a CapturedPlace<'tcx>>, mut for_each: impl FnMut((usize, &'a CapturedPlace<'tcx>), (usize, &'a CapturedPlace<'tcx>)) -> T, ) -> impl Iterator<Item = T> + Captures<'a> + Captures<'tcx> { - std::iter::from_coroutine(move || { - let mut child_captures = child_captures.into_iter().enumerate().peekable(); - - // One parent capture may correspond to several child captures if we end up - // refining the set of captures via edition-2021 precise captures. We want to - // match up any number of child captures with one parent capture, so we keep - // peeking off this `Peekable` until the child doesn't match anymore. - for (parent_field_idx, parent_capture) in parent_captures.into_iter().enumerate() { - // Make sure we use every field at least once, b/c why are we capturing something - // if it's not used in the inner coroutine. - let mut field_used_at_least_once = false; - - // A parent matches a child if they share the same prefix of projections. - // The child may have more, if it is capturing sub-fields out of - // something that is captured by-move in the parent closure. - while child_captures.peek().map_or(false, |(_, child_capture)| { - child_prefix_matches_parent_projections(parent_capture, child_capture) - }) { - let (child_field_idx, child_capture) = child_captures.next().unwrap(); - // This analysis only makes sense if the parent capture is a - // prefix of the child capture. - assert!( - child_capture.place.projections.len() >= parent_capture.place.projections.len(), - "parent capture ({parent_capture:#?}) expected to be prefix of \ + std::iter::from_coroutine( + #[cfg_attr(not(bootstrap), coroutine)] + move || { + let mut child_captures = child_captures.into_iter().enumerate().peekable(); + + // One parent capture may correspond to several child captures if we end up + // refining the set of captures via edition-2021 precise captures. We want to + // match up any number of child captures with one parent capture, so we keep + // peeking off this `Peekable` until the child doesn't match anymore. + for (parent_field_idx, parent_capture) in parent_captures.into_iter().enumerate() { + // Make sure we use every field at least once, b/c why are we capturing something + // if it's not used in the inner coroutine. + let mut field_used_at_least_once = false; + + // A parent matches a child if they share the same prefix of projections. + // The child may have more, if it is capturing sub-fields out of + // something that is captured by-move in the parent closure. + while child_captures.peek().map_or(false, |(_, child_capture)| { + child_prefix_matches_parent_projections(parent_capture, child_capture) + }) { + let (child_field_idx, child_capture) = child_captures.next().unwrap(); + // This analysis only makes sense if the parent capture is a + // prefix of the child capture. + assert!( + child_capture.place.projections.len() + >= parent_capture.place.projections.len(), + "parent capture ({parent_capture:#?}) expected to be prefix of \ child capture ({child_capture:#?})" - ); + ); - yield for_each( - (parent_field_idx, parent_capture), - (child_field_idx, child_capture), - ); + yield for_each( + (parent_field_idx, parent_capture), + (child_field_idx, child_capture), + ); - field_used_at_least_once = true; - } + field_used_at_least_once = true; + } - // Make sure the field was used at least once. - assert!( - field_used_at_least_once, - "we captured {parent_capture:#?} but it was not used in the child coroutine?" - ); - } - assert_eq!(child_captures.next(), None, "leftover child captures?"); - }) + // Make sure the field was used at least once. + assert!( + field_used_at_least_once, + "we captured {parent_capture:#?} but it was not used in the child coroutine?" + ); + } + assert_eq!(child_captures.next(), None, "leftover child captures?"); + }, + ) } fn child_prefix_matches_parent_projections( diff --git a/compiler/rustc_middle/src/ty/context.rs b/compiler/rustc_middle/src/ty/context.rs index 686aa9cdc04..45fa5e8f7ca 100644 --- a/compiler/rustc_middle/src/ty/context.rs +++ b/compiler/rustc_middle/src/ty/context.rs @@ -565,13 +565,6 @@ impl<'tcx> TyCtxt<'tcx> { TyCtxtFeed { tcx: self, key: () } } - /// Can only be fed before queries are run, and is thus exempt from any - /// incremental issues. Do not use except for the initial query feeding. - pub fn feed_local_crate(self) -> TyCtxtFeed<'tcx, CrateNum> { - self.dep_graph.assert_ignored(); - TyCtxtFeed { tcx: self, key: LOCAL_CRATE } - } - /// Only used in the resolver to register the `CRATE_DEF_ID` `DefId` and feed /// some queries for it. It will panic if used twice. pub fn create_local_crate_def_id(self, span: Span) -> TyCtxtFeed<'tcx, LocalDefId> { @@ -1151,7 +1144,12 @@ impl<'tcx> TyCtxt<'tcx> { if stable_crate_id == self.stable_crate_id(LOCAL_CRATE) { LOCAL_CRATE } else { - self.cstore_untracked().stable_crate_id_to_crate_num(stable_crate_id) + *self + .untracked() + .stable_crate_ids + .read() + .get(&stable_crate_id) + .unwrap_or_else(|| bug!("uninterned StableCrateId: {stable_crate_id:?}")) } } @@ -1267,26 +1265,42 @@ impl<'tcx> TyCtxt<'tcx> { feed } + pub fn create_crate_num( + self, + stable_crate_id: StableCrateId, + ) -> Result<TyCtxtFeed<'tcx, CrateNum>, CrateNum> { + if let Some(&existing) = self.untracked().stable_crate_ids.read().get(&stable_crate_id) { + return Err(existing); + } + + let num = CrateNum::new(self.untracked().stable_crate_ids.read().len()); + self.untracked().stable_crate_ids.write().insert(stable_crate_id, num); + Ok(TyCtxtFeed { key: num, tcx: self }) + } + pub fn iter_local_def_id(self) -> impl Iterator<Item = LocalDefId> + 'tcx { // Create a dependency to the red node to be sure we re-execute this when the amount of // definitions change. self.dep_graph.read_index(DepNodeIndex::FOREVER_RED_NODE); let definitions = &self.untracked.definitions; - std::iter::from_coroutine(|| { - let mut i = 0; - - // Recompute the number of definitions each time, because our caller may be creating - // new ones. - while i < { definitions.read().num_definitions() } { - let local_def_index = rustc_span::def_id::DefIndex::from_usize(i); - yield LocalDefId { local_def_index }; - i += 1; - } + std::iter::from_coroutine( + #[cfg_attr(not(bootstrap), coroutine)] + || { + let mut i = 0; + + // Recompute the number of definitions each time, because our caller may be creating + // new ones. + while i < { definitions.read().num_definitions() } { + let local_def_index = rustc_span::def_id::DefIndex::from_usize(i); + yield LocalDefId { local_def_index }; + i += 1; + } - // Freeze definitions once we finish iterating on them, to prevent adding new ones. - definitions.freeze(); - }) + // Freeze definitions once we finish iterating on them, to prevent adding new ones. + definitions.freeze(); + }, + ) } pub fn def_path_table(self) -> &'tcx rustc_hir::definitions::DefPathTable { diff --git a/compiler/rustc_mir_transform/src/inline.rs b/compiler/rustc_mir_transform/src/inline.rs index 7dcff458ced..7a3b08f82f6 100644 --- a/compiler/rustc_mir_transform/src/inline.rs +++ b/compiler/rustc_mir_transform/src/inline.rs @@ -720,18 +720,12 @@ impl<'tcx> Inliner<'tcx> { kind: TerminatorKind::Goto { target: integrator.map_block(START_BLOCK) }, }); - // Copy only unevaluated constants from the callee_body into the caller_body. - // Although we are only pushing `ConstKind::Unevaluated` consts to - // `required_consts`, here we may not only have `ConstKind::Unevaluated` - // because we are calling `instantiate_and_normalize_erasing_regions`. - caller_body.required_consts.extend(callee_body.required_consts.iter().copied().filter( - |&ct| match ct.const_ { - Const::Ty(_) => { - bug!("should never encounter ty::UnevaluatedConst in `required_consts`") - } - Const::Val(..) | Const::Unevaluated(..) => true, - }, - )); + // Copy required constants from the callee_body into the caller_body. Although we are only + // pushing unevaluated consts to `required_consts`, here they may have been evaluated + // because we are calling `instantiate_and_normalize_erasing_regions` -- so we filter again. + caller_body.required_consts.extend( + callee_body.required_consts.into_iter().filter(|ct| ct.const_.is_required_const()), + ); // Now that we incorporated the callee's `required_consts`, we can remove the callee from // `mentioned_items` -- but we have to take their `mentioned_items` in return. This does // some extra work here to save the monomorphization collector work later. It helps a lot, @@ -747,8 +741,9 @@ impl<'tcx> Inliner<'tcx> { caller_body.mentioned_items.remove(idx); caller_body.mentioned_items.extend(callee_body.mentioned_items); } else { - // If we can't find the callee, there's no point in adding its items. - // Probably it already got removed by being inlined elsewhere in the same function. + // If we can't find the callee, there's no point in adding its items. Probably it + // already got removed by being inlined elsewhere in the same function, so we already + // took its items. } } diff --git a/compiler/rustc_mir_transform/src/lib.rs b/compiler/rustc_mir_transform/src/lib.rs index e477c068229..b308a80f7ba 100644 --- a/compiler/rustc_mir_transform/src/lib.rs +++ b/compiler/rustc_mir_transform/src/lib.rs @@ -333,6 +333,8 @@ fn mir_promoted( body.tainted_by_errors = Some(error_reported); } + // Collect `required_consts` *before* promotion, so if there are any consts being promoted + // we still add them to the list in the outer MIR body. let mut required_consts = Vec::new(); let mut required_consts_visitor = RequiredConstsVisitor::new(&mut required_consts); for (bb, bb_data) in traversal::reverse_postorder(&body) { diff --git a/compiler/rustc_mir_transform/src/promote_consts.rs b/compiler/rustc_mir_transform/src/promote_consts.rs index c14d4ceb091..689a547689a 100644 --- a/compiler/rustc_mir_transform/src/promote_consts.rs +++ b/compiler/rustc_mir_transform/src/promote_consts.rs @@ -13,6 +13,7 @@ //! move analysis runs after promotion on broken MIR. use either::{Left, Right}; +use rustc_data_structures::fx::FxHashSet; use rustc_hir as hir; use rustc_middle::mir; use rustc_middle::mir::visit::{MutVisitor, MutatingUseContext, PlaceContext, Visitor}; @@ -175,6 +176,12 @@ fn collect_temps_and_candidates<'tcx>( struct Validator<'a, 'tcx> { ccx: &'a ConstCx<'a, 'tcx>, temps: &'a mut IndexSlice<Local, TempState>, + /// For backwards compatibility, we are promoting function calls in `const`/`static` + /// initializers. But we want to avoid evaluating code that might panic and that otherwise would + /// not have been evaluated, so we only promote such calls in basic blocks that are guaranteed + /// to execute. In other words, we only promote such calls in basic blocks that are definitely + /// not dead code. Here we cache the result of computing that set of basic blocks. + promotion_safe_blocks: Option<FxHashSet<BasicBlock>>, } impl<'a, 'tcx> std::ops::Deref for Validator<'a, 'tcx> { @@ -260,7 +267,9 @@ impl<'tcx> Validator<'_, 'tcx> { self.validate_rvalue(rhs) } Right(terminator) => match &terminator.kind { - TerminatorKind::Call { func, args, .. } => self.validate_call(func, args), + TerminatorKind::Call { func, args, .. } => { + self.validate_call(func, args, loc.block) + } TerminatorKind::Yield { .. } => Err(Unpromotable), kind => { span_bug!(terminator.source_info.span, "{:?} not promotable", kind); @@ -588,29 +597,79 @@ impl<'tcx> Validator<'_, 'tcx> { Ok(()) } + /// Computes the sets of blocks of this MIR that are definitely going to be executed + /// if the function returns successfully. That makes it safe to promote calls in them + /// that might fail. + fn promotion_safe_blocks(body: &mir::Body<'tcx>) -> FxHashSet<BasicBlock> { + let mut safe_blocks = FxHashSet::default(); + let mut safe_block = START_BLOCK; + loop { + safe_blocks.insert(safe_block); + // Let's see if we can find another safe block. + safe_block = match body.basic_blocks[safe_block].terminator().kind { + TerminatorKind::Goto { target } => target, + TerminatorKind::Call { target: Some(target), .. } + | TerminatorKind::Drop { target, .. } => { + // This calls a function or the destructor. `target` does not get executed if + // the callee loops or panics. But in both cases the const already fails to + // evaluate, so we are fine considering `target` a safe block for promotion. + target + } + TerminatorKind::Assert { target, .. } => { + // Similar to above, we only consider successful execution. + target + } + _ => { + // No next safe block. + break; + } + }; + } + safe_blocks + } + + /// Returns whether the block is "safe" for promotion, which means it cannot be dead code. + /// We use this to avoid promoting operations that can fail in dead code. + fn is_promotion_safe_block(&mut self, block: BasicBlock) -> bool { + let body = self.body; + let safe_blocks = + self.promotion_safe_blocks.get_or_insert_with(|| Self::promotion_safe_blocks(body)); + safe_blocks.contains(&block) + } + fn validate_call( &mut self, callee: &Operand<'tcx>, args: &[Spanned<Operand<'tcx>>], + block: BasicBlock, ) -> Result<(), Unpromotable> { + // Validate the operands. If they fail, there's no question -- we cannot promote. + self.validate_operand(callee)?; + for arg in args { + self.validate_operand(&arg.node)?; + } + + // Functions marked `#[rustc_promotable]` are explicitly allowed to be promoted, so we can + // accept them at this point. let fn_ty = callee.ty(self.body, self.tcx); + if let ty::FnDef(def_id, _) = *fn_ty.kind() { + if self.tcx.is_promotable_const_fn(def_id) { + return Ok(()); + } + } - // Inside const/static items, we promote all (eligible) function calls. - // Everywhere else, we require `#[rustc_promotable]` on the callee. - let promote_all_const_fn = matches!( + // Ideally, we'd stop here and reject the rest. + // But for backward compatibility, we have to accept some promotion in const/static + // initializers. Inline consts are explicitly excluded, they are more recent so we have no + // backwards compatibility reason to allow more promotion inside of them. + let promote_all_fn = matches!( self.const_kind, Some(hir::ConstContext::Static(_) | hir::ConstContext::Const { inline: false }) ); - if !promote_all_const_fn { - if let ty::FnDef(def_id, _) = *fn_ty.kind() { - // Never promote runtime `const fn` calls of - // functions without `#[rustc_promotable]`. - if !self.tcx.is_promotable_const_fn(def_id) { - return Err(Unpromotable); - } - } + if !promote_all_fn { + return Err(Unpromotable); } - + // Make sure the callee is a `const fn`. let is_const_fn = match *fn_ty.kind() { ty::FnDef(def_id, _) => self.tcx.is_const_fn_raw(def_id), _ => false, @@ -618,23 +677,23 @@ impl<'tcx> Validator<'_, 'tcx> { if !is_const_fn { return Err(Unpromotable); } - - self.validate_operand(callee)?; - for arg in args { - self.validate_operand(&arg.node)?; + // The problem is, this may promote calls to functions that panic. + // We don't want to introduce compilation errors if there's a panic in a call in dead code. + // So we ensure that this is not dead code. + if !self.is_promotion_safe_block(block) { + return Err(Unpromotable); } - + // This passed all checks, so let's accept. Ok(()) } } -// FIXME(eddyb) remove the differences for promotability in `static`, `const`, `const fn`. fn validate_candidates( ccx: &ConstCx<'_, '_>, temps: &mut IndexSlice<Local, TempState>, candidates: &[Candidate], ) -> Vec<Candidate> { - let mut validator = Validator { ccx, temps }; + let mut validator = Validator { ccx, temps, promotion_safe_blocks: None }; candidates .iter() @@ -653,6 +712,10 @@ struct Promoter<'a, 'tcx> { /// If true, all nested temps are also kept in the /// source MIR, not moved to the promoted MIR. keep_original: bool, + + /// If true, add the new const (the promoted) to the required_consts of the parent MIR. + /// This is initially false and then set by the visitor when it encounters a `Call` terminator. + add_to_required: bool, } impl<'a, 'tcx> Promoter<'a, 'tcx> { @@ -755,6 +818,10 @@ impl<'a, 'tcx> Promoter<'a, 'tcx> { TerminatorKind::Call { mut func, mut args, call_source: desugar, fn_span, .. } => { + // This promoted involves a function call, so it may fail to evaluate. + // Let's make sure it is added to `required_consts` so that that failure cannot get lost. + self.add_to_required = true; + self.visit_operand(&mut func, loc); for arg in &mut args { self.visit_operand(&mut arg.node, loc); @@ -789,7 +856,7 @@ impl<'a, 'tcx> Promoter<'a, 'tcx> { fn promote_candidate(mut self, candidate: Candidate, next_promoted_id: usize) -> Body<'tcx> { let def = self.source.source.def_id(); - let mut rvalue = { + let (mut rvalue, promoted_op) = { let promoted = &mut self.promoted; let promoted_id = Promoted::new(next_promoted_id); let tcx = self.tcx; @@ -799,11 +866,7 @@ impl<'a, 'tcx> Promoter<'a, 'tcx> { let args = tcx.erase_regions(GenericArgs::identity_for_item(tcx, def)); let uneval = mir::UnevaluatedConst { def, args, promoted: Some(promoted_id) }; - Operand::Constant(Box::new(ConstOperand { - span, - user_ty: None, - const_: Const::Unevaluated(uneval, ty), - })) + ConstOperand { span, user_ty: None, const_: Const::Unevaluated(uneval, ty) } }; let blocks = self.source.basic_blocks.as_mut(); @@ -836,22 +899,26 @@ impl<'a, 'tcx> Promoter<'a, 'tcx> { let promoted_ref = local_decls.push(promoted_ref); assert_eq!(self.temps.push(TempState::Unpromotable), promoted_ref); + let promoted_operand = promoted_operand(ref_ty, span); let promoted_ref_statement = Statement { source_info: statement.source_info, kind: StatementKind::Assign(Box::new(( Place::from(promoted_ref), - Rvalue::Use(promoted_operand(ref_ty, span)), + Rvalue::Use(Operand::Constant(Box::new(promoted_operand))), ))), }; self.extra_statements.push((loc, promoted_ref_statement)); - Rvalue::Ref( - tcx.lifetimes.re_erased, - *borrow_kind, - Place { - local: mem::replace(&mut place.local, promoted_ref), - projection: List::empty(), - }, + ( + Rvalue::Ref( + tcx.lifetimes.re_erased, + *borrow_kind, + Place { + local: mem::replace(&mut place.local, promoted_ref), + projection: List::empty(), + }, + ), + promoted_operand, ) }; @@ -863,6 +930,12 @@ impl<'a, 'tcx> Promoter<'a, 'tcx> { let span = self.promoted.span; self.assign(RETURN_PLACE, rvalue, span); + + // Now that we did promotion, we know whether we'll want to add this to `required_consts`. + if self.add_to_required { + self.source.required_consts.push(promoted_op); + } + self.promoted } } @@ -878,6 +951,14 @@ impl<'a, 'tcx> MutVisitor<'tcx> for Promoter<'a, 'tcx> { *local = self.promote_temp(*local); } } + + fn visit_constant(&mut self, constant: &mut ConstOperand<'tcx>, _location: Location) { + if constant.const_.is_required_const() { + self.promoted.required_consts.push(*constant); + } + + // Skipping `super_constant` as the visitor is otherwise only looking for locals. + } } fn promote_candidates<'tcx>( @@ -931,8 +1012,10 @@ fn promote_candidates<'tcx>( temps: &mut temps, extra_statements: &mut extra_statements, keep_original: false, + add_to_required: false, }; + // `required_consts` of the promoted itself gets filled while building the MIR body. let mut promoted = promoter.promote_candidate(candidate, promotions.len()); promoted.source.promoted = Some(promotions.next_index()); promotions.push(promoted); diff --git a/compiler/rustc_mir_transform/src/required_consts.rs b/compiler/rustc_mir_transform/src/required_consts.rs index abde6a47e83..71ac929d35e 100644 --- a/compiler/rustc_mir_transform/src/required_consts.rs +++ b/compiler/rustc_mir_transform/src/required_consts.rs @@ -1,6 +1,5 @@ use rustc_middle::mir::visit::Visitor; -use rustc_middle::mir::{Const, ConstOperand, Location}; -use rustc_middle::ty::ConstKind; +use rustc_middle::mir::{ConstOperand, Location}; pub struct RequiredConstsVisitor<'a, 'tcx> { required_consts: &'a mut Vec<ConstOperand<'tcx>>, @@ -14,14 +13,8 @@ impl<'a, 'tcx> RequiredConstsVisitor<'a, 'tcx> { impl<'tcx> Visitor<'tcx> for RequiredConstsVisitor<'_, 'tcx> { fn visit_constant(&mut self, constant: &ConstOperand<'tcx>, _: Location) { - let const_ = constant.const_; - match const_ { - Const::Ty(c) => match c.kind() { - ConstKind::Param(_) | ConstKind::Error(_) | ConstKind::Value(_) => {} - _ => bug!("only ConstKind::Param/Value should be encountered here, got {:#?}", c), - }, - Const::Unevaluated(..) => self.required_consts.push(*constant), - Const::Val(..) => {} + if constant.const_.is_required_const() { + self.required_consts.push(*constant); } } } diff --git a/compiler/rustc_session/src/cstore.rs b/compiler/rustc_session/src/cstore.rs index cb6656bae06..83377b66095 100644 --- a/compiler/rustc_session/src/cstore.rs +++ b/compiler/rustc_session/src/cstore.rs @@ -6,7 +6,9 @@ use crate::search_paths::PathKind; use crate::utils::NativeLibKind; use rustc_ast as ast; use rustc_data_structures::sync::{self, AppendOnlyIndexVec, FreezeLock}; -use rustc_hir::def_id::{CrateNum, DefId, LocalDefId, StableCrateId, LOCAL_CRATE}; +use rustc_hir::def_id::{ + CrateNum, DefId, LocalDefId, StableCrateId, StableCrateIdMap, LOCAL_CRATE, +}; use rustc_hir::definitions::{DefKey, DefPath, DefPathHash, Definitions}; use rustc_span::symbol::Symbol; use rustc_span::Span; @@ -217,7 +219,6 @@ pub trait CrateStore: std::fmt::Debug { // incr. comp. uses to identify a CrateNum. fn crate_name(&self, cnum: CrateNum) -> Symbol; fn stable_crate_id(&self, cnum: CrateNum) -> StableCrateId; - fn stable_crate_id_to_crate_num(&self, stable_crate_id: StableCrateId) -> CrateNum; } pub type CrateStoreDyn = dyn CrateStore + sync::DynSync + sync::DynSend; @@ -227,4 +228,6 @@ pub struct Untracked { /// Reference span for definitions. pub source_span: AppendOnlyIndexVec<LocalDefId, Span>, pub definitions: FreezeLock<Definitions>, + /// The interned [StableCrateId]s. + pub stable_crate_ids: FreezeLock<StableCrateIdMap>, } diff --git a/compiler/rustc_type_ir/src/ty_kind.rs b/compiler/rustc_type_ir/src/ty_kind.rs index 397e104512f..d7de0dd3bbf 100644 --- a/compiler/rustc_type_ir/src/ty_kind.rs +++ b/compiler/rustc_type_ir/src/ty_kind.rs @@ -183,7 +183,7 @@ pub enum TyKind<I: Interner> { /// /// ``` /// #![feature(coroutines)] - /// static |a| { + /// #[coroutine] static |a| { /// let x = &vec![3]; /// yield a; /// yield x[0]; diff --git a/library/core/src/iter/sources/from_coroutine.rs b/library/core/src/iter/sources/from_coroutine.rs index bf413b24d41..9bac9037a02 100644 --- a/library/core/src/iter/sources/from_coroutine.rs +++ b/library/core/src/iter/sources/from_coroutine.rs @@ -14,7 +14,7 @@ use crate::pin::Pin; /// #![feature(coroutines)] /// #![feature(iter_from_coroutine)] /// -/// let it = std::iter::from_coroutine(|| { +/// let it = std::iter::from_coroutine(#[cfg_attr(not(bootstrap), coroutine)] || { /// yield 1; /// yield 2; /// yield 3; diff --git a/library/core/src/ops/coroutine.rs b/library/core/src/ops/coroutine.rs index 6e067f95da9..5250be15fe4 100644 --- a/library/core/src/ops/coroutine.rs +++ b/library/core/src/ops/coroutine.rs @@ -40,12 +40,13 @@ pub enum CoroutineState<Y, R> { /// ```rust /// #![feature(coroutines)] /// #![feature(coroutine_trait)] +/// #![feature(stmt_expr_attributes)] /// /// use std::ops::{Coroutine, CoroutineState}; /// use std::pin::Pin; /// /// fn main() { -/// let mut coroutine = || { +/// let mut coroutine = #[cfg_attr(not(bootstrap), coroutine)] || { /// yield 1; /// "foo" /// }; diff --git a/library/core/src/pin.rs b/library/core/src/pin.rs index efd525aeb3b..a11c6c742d7 100644 --- a/library/core/src/pin.rs +++ b/library/core/src/pin.rs @@ -1809,7 +1809,7 @@ impl<Ptr, U> DispatchFromDyn<Pin<U>> for Pin<Ptr> where Ptr: DispatchFromDyn<U> /// fn coroutine_fn() -> impl Coroutine<Yield = usize, Return = ()> /* not Unpin */ { /// // Allow coroutine to be self-referential (not `Unpin`) /// // vvvvvv so that locals can cross yield points. -/// static || { +/// #[cfg_attr(not(bootstrap), coroutine)] static || { /// let foo = String::from("foo"); /// let foo_ref = &foo; // ------+ /// yield 0; // | <- crosses yield point! diff --git a/library/std/src/sys/pal/windows/mod.rs b/library/std/src/sys/pal/windows/mod.rs index b49585599cb..ff41f6e77be 100644 --- a/library/std/src/sys/pal/windows/mod.rs +++ b/library/std/src/sys/pal/windows/mod.rs @@ -201,14 +201,21 @@ pub fn to_u16s<S: AsRef<OsStr>>(s: S) -> crate::io::Result<Vec<u16>> { // currently reside in the buffer. This function is an abstraction over these // functions by making them easier to call. // -// The first callback, `f1`, is yielded a (pointer, len) pair which can be +// The first callback, `f1`, is passed a (pointer, len) pair which can be // passed to a syscall. The `ptr` is valid for `len` items (u16 in this case). -// The closure is expected to return what the syscall returns which will be -// interpreted by this function to determine if the syscall needs to be invoked -// again (with more buffer space). +// The closure is expected to: +// - On success, return the actual length of the written data *without* the null terminator. +// This can be 0. In this case the last_error must be left unchanged. +// - On insufficient buffer space, +// - either return the required length *with* the null terminator, +// - or set the last-error to ERROR_INSUFFICIENT_BUFFER and return `len`. +// - On other failure, return 0 and set last_error. +// +// This is how most but not all syscalls indicate the required buffer space. +// Other syscalls may need translation to match this protocol. // // Once the syscall has completed (errors bail out early) the second closure is -// yielded the data which has been read from the syscall. The return value +// passed the data which has been read from the syscall. The return value // from this closure is then the return value of the function. pub fn fill_utf16_buf<F1, F2, T>(mut f1: F1, f2: F2) -> crate::io::Result<T> where diff --git a/library/std/src/sys/pal/windows/os.rs b/library/std/src/sys/pal/windows/os.rs index 374c9845ea4..64d8b72aed2 100644 --- a/library/std/src/sys/pal/windows/os.rs +++ b/library/std/src/sys/pal/windows/os.rs @@ -326,6 +326,8 @@ fn home_dir_crt() -> Option<PathBuf> { super::fill_utf16_buf( |buf, mut sz| { + // GetUserProfileDirectoryW does not quite use the usual protocol for + // negotiating the buffer size, so we have to translate. match c::GetUserProfileDirectoryW( ptr::without_provenance_mut(CURRENT_PROCESS_TOKEN), buf, diff --git a/library/std/src/sys/pal/windows/thread_local_key.rs b/library/std/src/sys/pal/windows/thread_local_key.rs index 4c00860dae3..e5ba619fc6b 100644 --- a/library/std/src/sys/pal/windows/thread_local_key.rs +++ b/library/std/src/sys/pal/windows/thread_local_key.rs @@ -141,9 +141,15 @@ impl StaticKey { panic!("out of TLS indexes"); } - self.key.store(key + 1, Release); register_dtor(self); + // Release-storing the key needs to be the last thing we do. + // This is because in `fn key()`, other threads will do an acquire load of the key, + // and if that sees this write then it will entirely bypass the `InitOnce`. We thus + // need to establish synchronization through `key`. In particular that acquire load + // must happen-after the register_dtor above, to ensure the dtor actually runs! + self.key.store(key + 1, Release); + let r = c::InitOnceComplete(self.once.get(), 0, ptr::null_mut()); debug_assert_eq!(r, c::TRUE); @@ -313,8 +319,22 @@ unsafe fn run_dtors() { // Use acquire ordering to observe key initialization. let mut cur = DTORS.load(Acquire); while !cur.is_null() { - let key = (*cur).key.load(Relaxed) - 1; + let pre_key = (*cur).key.load(Acquire); let dtor = (*cur).dtor.unwrap(); + cur = (*cur).next.load(Relaxed); + + // In StaticKey::init, we register the dtor before setting `key`. + // So if one thread's `run_dtors` races with another thread executing `init` on the same + // `StaticKey`, we can encounter a key of 0 here. That means this key was never + // initialized in this thread so we can safely skip it. + if pre_key == 0 { + continue; + } + // If this is non-zero, then via the `Acquire` load above we synchronized with + // everything relevant for this key. (It's not clear that this is needed, since the + // release-acquire pair on DTORS also establishes synchronization, but better safe than + // sorry.) + let key = pre_key - 1; let ptr = c::TlsGetValue(key); if !ptr.is_null() { @@ -322,8 +342,6 @@ unsafe fn run_dtors() { dtor(ptr as *mut _); any_run = true; } - - cur = (*cur).next.load(Relaxed); } if !any_run { diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh b/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh index d6de992913b..9cc508fe928 100755 --- a/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh +++ b/src/ci/docker/host-x86_64/x86_64-gnu-integration/build-fuchsia.sh @@ -5,7 +5,7 @@ set -euf -o pipefail -INTEGRATION_SHA=56310bca298872ffb5ea02e665956d9b6dc41171 +INTEGRATION_SHA=1011e3298775ee7cdf6f6dc73e808d6a86e33bd6 PICK_REFS=() checkout=fuchsia diff --git a/src/ci/docker/scripts/build-fuchsia-toolchain.sh b/src/ci/docker/scripts/build-fuchsia-toolchain.sh index beea2f522fd..7a0d4fcffc1 100755 --- a/src/ci/docker/scripts/build-fuchsia-toolchain.sh +++ b/src/ci/docker/scripts/build-fuchsia-toolchain.sh @@ -4,13 +4,13 @@ set -ex source shared.sh FUCHSIA_SDK_URL=https://chrome-infra-packages.appspot.com/dl/fuchsia/sdk/core/linux-amd64 -FUCHSIA_SDK_ID=MrhQwtmP8CpZre-i_PNOREcThbUcrX3bA-45d6WQr-cC -FUCHSIA_SDK_SHA256=32b850c2d98ff02a59adefa2fcf34e44471385b51cad7ddb03ee3977a590afe7 +FUCHSIA_SDK_ID=version:20.20240412.3.1 +FUCHSIA_SDK_SHA256=cc52f3497487dd813c89d9316e6967efcea89c7759edccf3e40fcf3662e53f19 FUCHSIA_SDK_USR_DIR=/usr/local/core-linux-amd64-fuchsia-sdk CLANG_DOWNLOAD_URL=\ https://chrome-infra-packages.appspot.com/dl/fuchsia/third_party/clang/linux-amd64 -CLANG_DOWNLOAD_ID=Tpc85d1ZwSlZ6UKl2d96GRUBGNA5JKholOKe24sRDr0C -CLANG_DOWNLOAD_SHA256=4e973ce5dd59c12959e942a5d9df7a19150118d03924a86894e29edb8b110ebd +CLANG_DOWNLOAD_ID=git_revision:c777c011a709dffd4fa5e79cad7947b7c3405d02 +CLANG_DOWNLOAD_SHA256=779167422ad73c292f049dcea5569f84577af9292189ed2749518b966a4d0844 install_clang() { mkdir -p clang_download diff --git a/src/ci/docker/scripts/fuchsia-test-runner.py b/src/ci/docker/scripts/fuchsia-test-runner.py index 437b51641fc..8ac00a8863f 100755 --- a/src/ci/docker/scripts/fuchsia-test-runner.py +++ b/src/ci/docker/scripts/fuchsia-test-runner.py @@ -280,7 +280,7 @@ class TestEnvironment: # Look up the product bundle transfer manifest. self.log_info("Looking up the product bundle transfer manifest...") product_name = "minimal." + self.triple_to_arch(self.target) - fuchsia_version = "14.20230811.2.1" + fuchsia_version = "20.20240412.3.1" # FIXME: We should be able to replace this with the machine parsable # `ffx --machine json product lookup ...` once F15 is released. diff --git a/src/ci/github-actions/calculate-job-matrix.py b/src/ci/github-actions/calculate-job-matrix.py new file mode 100755 index 00000000000..c24cefa8d89 --- /dev/null +++ b/src/ci/github-actions/calculate-job-matrix.py @@ -0,0 +1,115 @@ +#!/usr/bin/env python3 + +""" +This script serves for generating a matrix of jobs that should +be executed on CI. + +It reads job definitions from `src/ci/github-actions/jobs.yml` +and filters them based on the event that happened on CI. +""" +import dataclasses +import enum +import json +import logging +import os +from pathlib import Path +from typing import List, Dict, Any, Optional + +import yaml + +JOBS_YAML_PATH = Path(__file__).absolute().parent / "jobs.yml" + + +def name_jobs(jobs: List[Dict], prefix: str) -> List[Dict]: + """ + Add a `name` attribute to each job, based on its image and the given `prefix`. + """ + for job in jobs: + job["name"] = f"{prefix} - {job['image']}" + return jobs + + +def add_base_env(jobs: List[Dict], environment: Dict[str, str]) -> List[Dict]: + """ + Prepends `environment` to the `env` attribute of each job. + The `env` of each job has higher precedence than `environment`. + """ + for job in jobs: + env = environment.copy() + env.update(job.get("env", {})) + job["env"] = env + return jobs + + +class JobType(enum.Enum): + PR = enum.auto() + Try = enum.auto() + Auto = enum.auto() + + +@dataclasses.dataclass +class GitHubCtx: + event_name: str + ref: str + repository: str + + +def find_job_type(ctx: GitHubCtx) -> Optional[JobType]: + if ctx.event_name == "pull_request": + return JobType.PR + elif ctx.event_name == "push": + old_bors_try_build = ( + ctx.ref in ("refs/heads/try", "refs/heads/try-perf") and + ctx.repository == "rust-lang-ci/rust" + ) + new_bors_try_build = ( + ctx.ref == "refs/heads/automation/bors/try" and + ctx.repository == "rust-lang/rust" + ) + try_build = old_bors_try_build or new_bors_try_build + + if try_build: + return JobType.Try + + if ctx.ref == "refs/heads/auto" and ctx.repository == "rust-lang-ci/rust": + return JobType.Auto + + return None + + +def calculate_jobs(job_type: JobType, job_data: Dict[str, Any]) -> List[Dict[str, Any]]: + if job_type == JobType.PR: + return add_base_env(name_jobs(job_data["pr"], "PR"), job_data["envs"]["pr"]) + elif job_type == JobType.Try: + return add_base_env(name_jobs(job_data["try"], "try"), job_data["envs"]["try"]) + elif job_type == JobType.Auto: + return add_base_env(name_jobs(job_data["auto"], "auto"), job_data["envs"]["auto"]) + + return [] + + +def get_github_ctx() -> GitHubCtx: + return GitHubCtx( + event_name=os.environ["GITHUB_EVENT_NAME"], + ref=os.environ["GITHUB_REF"], + repository=os.environ["GITHUB_REPOSITORY"] + ) + + +if __name__ == "__main__": + logging.basicConfig(level=logging.INFO) + + with open(JOBS_YAML_PATH) as f: + data = yaml.safe_load(f) + + github_ctx = get_github_ctx() + + job_type = find_job_type(github_ctx) + logging.info(f"Job type: {job_type}") + + jobs = [] + if job_type is not None: + jobs = calculate_jobs(job_type, data) + + logging.info(f"Output:\n{yaml.dump(jobs, indent=4)}") + print(f"jobs={json.dumps(jobs)}") diff --git a/src/ci/github-actions/ci.yml b/src/ci/github-actions/ci.yml index de71b9f874f..19d6b517552 100644 --- a/src/ci/github-actions/ci.yml +++ b/src/ci/github-actions/ci.yml @@ -342,6 +342,8 @@ concurrency: jobs: # The job matrix for `calculate_matrix` is defined in src/ci/github-actions/jobs.yml. + # It calculates which jobs should be executed, based on the data of the ${{ github }} context. + # If you want to modify CI jobs, take a look at src/ci/github-actions/jobs.yml. calculate_matrix: name: Calculate job matrix runs-on: ubuntu-latest @@ -351,422 +353,34 @@ jobs: - name: Checkout the source code uses: actions/checkout@v4 - name: Calculate the CI job matrix - run: python3 src/ci/scripts/calculate-job-matrix.py >> $GITHUB_OUTPUT + run: python3 src/ci/github-actions/calculate-job-matrix.py >> $GITHUB_OUTPUT id: jobs - pr: + job: <<: *base-ci-job - name: PR - ${{ matrix.name }} + name: ${{ matrix.name }} needs: [ calculate_matrix ] env: - <<: [*shared-ci-variables, *public-variables] - PR_CI_JOB: 1 - if: github.event_name == 'pull_request' - continue-on-error: ${{ matrix.name == 'mingw-check-tidy' }} + CI_JOB_NAME: ${{ matrix.image }} + CARGO_REGISTRIES_CRATES_IO_PROTOCOL: sparse + # commit of PR sha or commit sha. `GITHUB_SHA` is not accurate for PRs. + HEAD_SHA: ${{ github.event.pull_request.head.sha || github.sha }} + DOCKER_TOKEN: ${{ secrets.GITHUB_TOKEN }} + SCCACHE_BUCKET: rust-lang-ci-sccache2 + TOOLSTATE_REPO: https://github.com/rust-lang-nursery/rust-toolstate + CACHE_DOMAIN: ci-caches.rust-lang.org + continue-on-error: ${{ matrix.continue_on_error || false }} strategy: matrix: # Check the `calculate_matrix` job to see how is the matrix defined. include: ${{ fromJSON(needs.calculate_matrix.outputs.jobs) }} - - auto: - <<: *base-ci-job - name: auto - ${{ matrix.name }} - env: - <<: [*shared-ci-variables, *prod-variables] - if: github.event_name == 'push' && github.ref == 'refs/heads/auto' && github.repository == 'rust-lang-ci/rust' - strategy: - matrix: - include: - ############################# - # Linux/Docker builders # - ############################# - - - name: aarch64-gnu - <<: *job-aarch64-linux - - - name: arm-android - <<: *job-linux-8c - - - name: armhf-gnu - <<: *job-linux-8c - - - name: dist-aarch64-linux - env: - CODEGEN_BACKENDS: llvm,cranelift - <<: *job-linux-8c - - - name: dist-android - <<: *job-linux-8c - - - name: dist-arm-linux - <<: *job-linux-16c - - - name: dist-armhf-linux - <<: *job-linux-8c - - - name: dist-armv7-linux - <<: *job-linux-8c - - - name: dist-i586-gnu-i586-i686-musl - <<: *job-linux-8c - - - name: dist-i686-linux - <<: *job-linux-8c - - - name: dist-loongarch64-linux - <<: *job-linux-8c - - - name: dist-ohos - <<: *job-linux-8c - - - name: dist-powerpc-linux - <<: *job-linux-8c - - - name: dist-powerpc64-linux - <<: *job-linux-8c - - - name: dist-powerpc64le-linux - <<: *job-linux-8c - - - name: dist-riscv64-linux - <<: *job-linux-8c - - - name: dist-s390x-linux - <<: *job-linux-8c - - - name: dist-various-1 - <<: *job-linux-8c - - - name: dist-various-2 - <<: *job-linux-8c - - - name: dist-x86_64-freebsd - <<: *job-linux-8c - - - name: dist-x86_64-illumos - <<: *job-linux-8c - - - &dist-x86_64-linux - name: dist-x86_64-linux - env: - CODEGEN_BACKENDS: llvm,cranelift - <<: *job-linux-16c - - - name: dist-x86_64-linux-alt - env: - IMAGE: dist-x86_64-linux - CODEGEN_BACKENDS: llvm,cranelift - <<: *job-linux-16c - - - name: dist-x86_64-musl - env: - CODEGEN_BACKENDS: llvm,cranelift - <<: *job-linux-8c - - - name: dist-x86_64-netbsd - <<: *job-linux-8c - - - name: i686-gnu - <<: *job-linux-8c - - - name: i686-gnu-nopt - <<: *job-linux-8c - - - name: mingw-check - <<: *job-linux-4c - - - name: test-various - <<: *job-linux-8c - - - name: x86_64-gnu - <<: *job-linux-4c - - # This job ensures commits landing on nightly still pass the full - # test suite on the stable channel. There are some UI tests that - # depend on the channel being built (for example if they include the - # channel name on the output), and this builder prevents landing - # changes that would result in broken builds after a promotion. - - name: x86_64-gnu-stable - env: - IMAGE: x86_64-gnu - RUST_CI_OVERRIDE_RELEASE_CHANNEL: stable - # Only run this job on the nightly channel. Running this on beta - # could cause failures when `dev: 1` in `stage0.txt`, and running - # this on stable is useless. - CI_ONLY_WHEN_CHANNEL: nightly - <<: *job-linux-4c - - - name: x86_64-gnu-aux - <<: *job-linux-4c - - - name: x86_64-gnu-integration - env: - # Only run this job on the nightly channel. Fuchsia requires - # nightly features to compile, and this job would fail if - # executed on beta and stable. - CI_ONLY_WHEN_CHANNEL: nightly - <<: *job-linux-8c - - - name: x86_64-gnu-debug - <<: *job-linux-8c - - - name: x86_64-gnu-distcheck - <<: *job-linux-8c - - - name: x86_64-gnu-llvm-18 - env: - RUST_BACKTRACE: 1 - <<: *job-linux-8c - - - name: x86_64-gnu-llvm-17 - env: - RUST_BACKTRACE: 1 - <<: *job-linux-8c - - - name: x86_64-gnu-nopt - <<: *job-linux-4c - - - name: x86_64-gnu-tools - env: - DEPLOY_TOOLSTATES_JSON: toolstates-linux.json - <<: *job-linux-8c - - #################### - # macOS Builders # - #################### - - - name: dist-x86_64-apple - env: - SCRIPT: ./x.py dist bootstrap --include-default-paths --host=x86_64-apple-darwin --target=x86_64-apple-darwin - RUST_CONFIGURE_ARGS: --enable-full-tools --enable-sanitizers --enable-profiler --set rust.jemalloc --set rust.lto=thin --set rust.codegen-units=1 - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - MACOSX_DEPLOYMENT_TARGET: 10.12 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - DIST_REQUIRE_ALL_TOOLS: 1 - CODEGEN_BACKENDS: llvm,cranelift - <<: *job-macos-xl - - - name: dist-apple-various - env: - SCRIPT: ./x.py dist bootstrap --include-default-paths --host='' --target=aarch64-apple-ios,x86_64-apple-ios,aarch64-apple-ios-sim - RUST_CONFIGURE_ARGS: --enable-sanitizers --enable-profiler --set rust.jemalloc - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - MACOSX_DEPLOYMENT_TARGET: 10.12 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - <<: *job-macos-xl - - - name: x86_64-apple-1 - env: &env-x86_64-apple-tests - SCRIPT: ./x.py --stage 2 test --skip tests/ui --skip tests/rustdoc --skip tests/run-make-fulldeps - RUST_CONFIGURE_ARGS: --build=x86_64-apple-darwin --enable-sanitizers --enable-profiler --set rust.jemalloc - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - MACOSX_DEPLOYMENT_TARGET: 10.12 - MACOSX_STD_DEPLOYMENT_TARGET: 10.12 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - <<: *job-macos-xl - - - name: x86_64-apple-2 - env: - SCRIPT: ./x.py --stage 2 test tests/ui tests/rustdoc tests/run-make-fulldeps - <<: *env-x86_64-apple-tests - <<: *job-macos-xl - - # This target only needs to support 11.0 and up as nothing else supports the hardware - - name: dist-aarch64-apple - env: - SCRIPT: ./x.py dist bootstrap --include-default-paths --host=aarch64-apple-darwin --target=aarch64-apple-darwin - RUST_CONFIGURE_ARGS: >- - --enable-full-tools - --enable-sanitizers - --enable-profiler - --set rust.jemalloc - --set llvm.ninja=false - --set rust.lto=thin - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - USE_XCODE_CLANG: 1 - MACOSX_DEPLOYMENT_TARGET: 11.0 - MACOSX_STD_DEPLOYMENT_TARGET: 11.0 - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - DIST_REQUIRE_ALL_TOOLS: 1 - <<: *job-macos-m1 - - # This target only needs to support 11.0 and up as nothing else supports the hardware - - name: aarch64-apple - env: - SCRIPT: ./x.py --stage 2 test --host=aarch64-apple-darwin --target=aarch64-apple-darwin - RUST_CONFIGURE_ARGS: >- - --enable-sanitizers - --enable-profiler - --set rust.jemalloc - RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 - SELECT_XCODE: /Applications/Xcode_14.3.1.app - USE_XCODE_CLANG: 1 - MACOSX_DEPLOYMENT_TARGET: 11.0 - MACOSX_STD_DEPLOYMENT_TARGET: 11.0 - NO_LLVM_ASSERTIONS: 1 - NO_DEBUG_ASSERTIONS: 1 - NO_OVERFLOW_CHECKS: 1 - <<: *job-macos-m1 - - ###################### - # Windows Builders # - ###################### - - - name: x86_64-msvc - env: - RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-profiler - SCRIPT: make ci-msvc - <<: *job-windows-8c - - - name: i686-msvc - env: - RUST_CONFIGURE_ARGS: --build=i686-pc-windows-msvc - SCRIPT: make ci-msvc - <<: *job-windows-8c - - - name: x86_64-msvc-ext - env: - SCRIPT: python x.py --stage 2 test src/tools/cargotest src/tools/cargo && src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh x.py /tmp/toolstate/toolstates.json windows - HOST_TARGET: x86_64-pc-windows-msvc - RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-lld --save-toolstates=/tmp/toolstate/toolstates.json - DEPLOY_TOOLSTATES_JSON: toolstates-windows.json - <<: *job-windows-8c - - # 32/64-bit MinGW builds. - # - # We are using MinGW with POSIX threads since LLVM requires - # C++'s std::thread which is disabled in libstdc++ with win32 threads. - # FIXME: Libc++ doesn't have this limitation so we can avoid - # winpthreads if we switch to it. - # - # Instead of relying on the MinGW version installed on CI we download - # and install one ourselves so we won't be surprised by changes to CI's - # build image. - # - # Finally, note that the downloads below are all in the `rust-lang-ci` S3 - # bucket, but they clearly didn't originate there! The downloads originally - # came from the mingw-w64 SourceForge download site. Unfortunately - # SourceForge is notoriously flaky, so we mirror it on our own infrastructure. - - - name: i686-mingw - env: - RUST_CONFIGURE_ARGS: --build=i686-pc-windows-gnu - SCRIPT: make ci-mingw - # We are intentionally allowing an old toolchain on this builder (and that's - # incompatible with LLVM downloads today). - NO_DOWNLOAD_CI_LLVM: 1 - CUSTOM_MINGW: 1 - <<: *job-windows-8c - - - name: x86_64-mingw - env: - SCRIPT: make ci-mingw - RUST_CONFIGURE_ARGS: >- - --build=x86_64-pc-windows-gnu - --enable-profiler - # We are intentionally allowing an old toolchain on this builder (and that's - # incompatible with LLVM downloads today). - NO_DOWNLOAD_CI_LLVM: 1 - CUSTOM_MINGW: 1 - <<: *job-windows-8c - - - name: dist-x86_64-msvc - env: - RUST_CONFIGURE_ARGS: >- - --build=x86_64-pc-windows-msvc - --host=x86_64-pc-windows-msvc - --target=x86_64-pc-windows-msvc - --enable-full-tools - --enable-profiler - --set rust.codegen-units=1 - SCRIPT: python x.py build --set rust.debug=true opt-dist && PGO_HOST=x86_64-pc-windows-msvc ./build/x86_64-pc-windows-msvc/stage0-tools-bin/opt-dist windows-ci -- python x.py dist bootstrap --include-default-paths - DIST_REQUIRE_ALL_TOOLS: 1 - <<: *job-windows-8c - - - name: dist-i686-msvc - env: - RUST_CONFIGURE_ARGS: >- - --build=i686-pc-windows-msvc - --host=i686-pc-windows-msvc - --target=i686-pc-windows-msvc,i586-pc-windows-msvc - --enable-full-tools - --enable-profiler - SCRIPT: python x.py dist bootstrap --include-default-paths - DIST_REQUIRE_ALL_TOOLS: 1 - <<: *job-windows-8c - - - name: dist-aarch64-msvc - env: - RUST_CONFIGURE_ARGS: >- - --build=x86_64-pc-windows-msvc - --host=aarch64-pc-windows-msvc - --enable-full-tools - --enable-profiler - SCRIPT: python x.py dist bootstrap --include-default-paths - DIST_REQUIRE_ALL_TOOLS: 1 - <<: *job-windows-8c - - - name: dist-i686-mingw - env: - RUST_CONFIGURE_ARGS: >- - --build=i686-pc-windows-gnu - --enable-full-tools - --enable-profiler - # We are intentionally allowing an old toolchain on this builder (and that's - # incompatible with LLVM downloads today). - NO_DOWNLOAD_CI_LLVM: 1 - SCRIPT: python x.py dist bootstrap --include-default-paths - CUSTOM_MINGW: 1 - DIST_REQUIRE_ALL_TOOLS: 1 - <<: *job-windows-8c - - - name: dist-x86_64-mingw - env: - SCRIPT: python x.py dist bootstrap --include-default-paths - RUST_CONFIGURE_ARGS: >- - --build=x86_64-pc-windows-gnu - --enable-full-tools - --enable-profiler - # We are intentionally allowing an old toolchain on this builder (and that's - # incompatible with LLVM downloads today). - NO_DOWNLOAD_CI_LLVM: 1 - CUSTOM_MINGW: 1 - DIST_REQUIRE_ALL_TOOLS: 1 - <<: *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-8c - - try: - <<: *base-ci-job - name: try - ${{ matrix.name }} - env: - DIST_TRY_BUILD: 1 - <<: [*shared-ci-variables, *prod-variables] - if: github.event_name == 'push' && (((github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.repository == 'rust-lang-ci/rust') || ((github.ref == 'refs/heads/automation/bors/try') && github.repository == 'rust-lang/rust')) - strategy: - matrix: - include: - - &dist-x86_64-linux - name: dist-x86_64-linux - env: - CODEGEN_BACKENDS: llvm,cranelift - <<: *job-linux-16c - + # GitHub Actions fails the workflow if an empty list of jobs is provided to + # the workflow, so we need to skip this job if nothing was produced by + # the Python script. + # + # Unfortunately checking whether a list is empty is not possible in a nice + # way due to GitHub Actions expressions limits. + # This hack is taken from https://github.com/ferrocene/ferrocene/blob/d43edc6b7697cf1719ec1c17c54904ab94825763/.github/workflows/release.yml#L75-L82 + if: fromJSON(needs.calculate_matrix.outputs.jobs)[0] != null master: name: master @@ -791,18 +405,18 @@ jobs: # build completed, as there is no practical way to detect when a workflow is # successful listening to webhooks only. try-success: - needs: [try] + needs: [ job ] if: "success() && github.event_name == 'push' && (github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.repository == 'rust-lang-ci/rust'" <<: *base-success-job try-failure: - needs: [try] + needs: [ job ] if: "!success() && github.event_name == 'push' && (github.ref == 'refs/heads/try' || github.ref == 'refs/heads/try-perf') && github.repository == 'rust-lang-ci/rust'" <<: *base-failure-job auto-success: - needs: [auto] + needs: [ job ] if: "success() && github.event_name == 'push' && github.ref == 'refs/heads/auto' && github.repository == 'rust-lang-ci/rust'" <<: *base-success-job auto-failure: - needs: [auto] + needs: [ job ] if: "!success() && github.event_name == 'push' && github.ref == 'refs/heads/auto' && github.repository == 'rust-lang-ci/rust'" <<: *base-failure-job diff --git a/src/ci/github-actions/jobs.yml b/src/ci/github-actions/jobs.yml index 7e89eef2670..ec58bd0924e 100644 --- a/src/ci/github-actions/jobs.yml +++ b/src/ci/github-actions/jobs.yml @@ -2,7 +2,7 @@ # dynamically in CI from ci.yml. # You *do not* need to re-run `src/tools/expand-yaml-anchors` when you # modify this file. -shared_defs: +runners: - &base-job env: { } @@ -37,14 +37,430 @@ shared_defs: - &job-aarch64-linux os: [ self-hosted, ARM64, linux ] +envs: + production: + &production + DEPLOY_BUCKET: rust-lang-ci2 + TOOLSTATE_ISSUES_API_URL: https://api.github.com/repos/rust-lang/rust/issues + TOOLSTATE_PUBLISH: 1 + # AWS_SECRET_ACCESS_KEYs are stored in GitHub's secrets storage, named + # AWS_SECRET_ACCESS_KEY_<keyid>. Including the key id in the name allows to + # rotate them in a single branch while keeping the old key in another + # branch, which wouldn't be possible if the key was named with the kind + # (caches, artifacts...). + CACHES_AWS_ACCESS_KEY_ID: AKIA46X5W6CZI5DHEBFL + ARTIFACTS_AWS_ACCESS_KEY_ID: AKIA46X5W6CZN24CBO55 + AWS_REGION: us-west-1 + + try: + <<: *production + DIST_TRY_BUILD: 1 + + auto: + <<: *production + + pr: + PR_CI_JOB: 1 + +# Jobs that run on each push to a pull request (PR) +# These jobs automatically inherit envs.pr, to avoid repeating +# it in each job definition. pr: - - name: mingw-check + - image: mingw-check <<: *job-linux-4c - - name: mingw-check-tidy + - image: mingw-check-tidy + continue_on_error: true <<: *job-linux-4c - - name: x86_64-gnu-llvm-17 + - image: x86_64-gnu-llvm-17 env: ENABLE_GCC_CODEGEN: "1" <<: *job-linux-16c - - name: x86_64-gnu-tools + - image: x86_64-gnu-tools + <<: *job-linux-16c + +# Jobs that run when you perform a try build (@bors try) +# These jobs automatically inherit envs.production, to avoid repeating +# it in each job definition. +try: + - image: dist-x86_64-linux + env: + CODEGEN_BACKENDS: llvm,cranelift + <<: *job-linux-16c + +# Main CI jobs that have to be green to merge a commit into master +# These jobs automatically inherit envs.production, to avoid repeating +# it in each job definition. +auto: + ############################# + # Linux/Docker builders # + ############################# + + - image: aarch64-gnu + <<: *job-aarch64-linux + + - image: arm-android + <<: *job-linux-8c + + - image: armhf-gnu + <<: *job-linux-8c + + - image: dist-aarch64-linux + env: + CODEGEN_BACKENDS: llvm,cranelift + <<: *job-linux-8c + + - image: dist-android + <<: *job-linux-8c + + - image: dist-arm-linux + <<: *job-linux-16c + + - image: dist-armhf-linux + <<: *job-linux-8c + + - image: dist-armv7-linux + <<: *job-linux-8c + + - image: dist-i586-gnu-i586-i686-musl + <<: *job-linux-8c + + - image: dist-i686-linux + <<: *job-linux-8c + + - image: dist-loongarch64-linux + <<: *job-linux-8c + + - image: dist-ohos + <<: *job-linux-8c + + - image: dist-powerpc-linux + <<: *job-linux-8c + + - image: dist-powerpc64-linux + <<: *job-linux-8c + + - image: dist-powerpc64le-linux + <<: *job-linux-8c + + - image: dist-riscv64-linux + <<: *job-linux-8c + + - image: dist-s390x-linux + <<: *job-linux-8c + + - image: dist-various-1 + <<: *job-linux-8c + + - image: dist-various-2 + <<: *job-linux-8c + + - image: dist-x86_64-freebsd + <<: *job-linux-8c + + - image: dist-x86_64-illumos + <<: *job-linux-8c + + - image: dist-x86_64-linux + env: + CODEGEN_BACKENDS: llvm,cranelift + <<: *job-linux-16c + + - image: dist-x86_64-linux-alt + env: + IMAGE: dist-x86_64-linux + CODEGEN_BACKENDS: llvm,cranelift <<: *job-linux-16c + + - image: dist-x86_64-musl + env: + CODEGEN_BACKENDS: llvm,cranelift + <<: *job-linux-8c + + - image: dist-x86_64-netbsd + <<: *job-linux-8c + + - image: i686-gnu + <<: *job-linux-8c + + - image: i686-gnu-nopt + <<: *job-linux-8c + + - image: mingw-check + <<: *job-linux-4c + + - image: test-various + <<: *job-linux-8c + + - image: x86_64-gnu + <<: *job-linux-4c + + # This job ensures commits landing on nightly still pass the full + # test suite on the stable channel. There are some UI tests that + # depend on the channel being built (for example if they include the + # channel name on the output), and this builder prevents landing + # changes that would result in broken builds after a promotion. + - image: x86_64-gnu-stable + env: + IMAGE: x86_64-gnu + RUST_CI_OVERRIDE_RELEASE_CHANNEL: stable + # Only run this job on the nightly channel. Running this on beta + # could cause failures when `dev: 1` in `stage0.txt`, and running + # this on stable is useless. + CI_ONLY_WHEN_CHANNEL: nightly + <<: *job-linux-4c + + - image: x86_64-gnu-aux + <<: *job-linux-4c + + - image: x86_64-gnu-integration + env: + # Only run this job on the nightly channel. Fuchsia requires + # nightly features to compile, and this job would fail if + # executed on beta and stable. + CI_ONLY_WHEN_CHANNEL: nightly + <<: *job-linux-8c + + - image: x86_64-gnu-debug + <<: *job-linux-8c + + - image: x86_64-gnu-distcheck + <<: *job-linux-8c + + - image: x86_64-gnu-llvm-18 + env: + RUST_BACKTRACE: 1 + <<: *job-linux-8c + + - image: x86_64-gnu-llvm-17 + env: + RUST_BACKTRACE: 1 + <<: *job-linux-8c + + - image: x86_64-gnu-nopt + <<: *job-linux-4c + + - image: x86_64-gnu-tools + env: + DEPLOY_TOOLSTATES_JSON: toolstates-linux.json + <<: *job-linux-8c + + #################### + # macOS Builders # + #################### + + - image: dist-x86_64-apple + env: + SCRIPT: ./x.py dist bootstrap --include-default-paths --host=x86_64-apple-darwin --target=x86_64-apple-darwin + RUST_CONFIGURE_ARGS: --enable-full-tools --enable-sanitizers --enable-profiler --set rust.jemalloc --set rust.lto=thin --set rust.codegen-units=1 + RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 + MACOSX_DEPLOYMENT_TARGET: 10.12 + SELECT_XCODE: /Applications/Xcode_14.3.1.app + NO_LLVM_ASSERTIONS: 1 + NO_DEBUG_ASSERTIONS: 1 + NO_OVERFLOW_CHECKS: 1 + DIST_REQUIRE_ALL_TOOLS: 1 + CODEGEN_BACKENDS: llvm,cranelift + <<: *job-macos-xl + + - image: dist-apple-various + env: + SCRIPT: ./x.py dist bootstrap --include-default-paths --host='' --target=aarch64-apple-ios,x86_64-apple-ios,aarch64-apple-ios-sim + RUST_CONFIGURE_ARGS: --enable-sanitizers --enable-profiler --set rust.jemalloc + RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 + MACOSX_DEPLOYMENT_TARGET: 10.12 + SELECT_XCODE: /Applications/Xcode_14.3.1.app + NO_LLVM_ASSERTIONS: 1 + NO_DEBUG_ASSERTIONS: 1 + NO_OVERFLOW_CHECKS: 1 + <<: *job-macos-xl + + - image: x86_64-apple-1 + env: &env-x86_64-apple-tests + SCRIPT: ./x.py --stage 2 test --skip tests/ui --skip tests/rustdoc --skip tests/run-make-fulldeps + RUST_CONFIGURE_ARGS: --build=x86_64-apple-darwin --enable-sanitizers --enable-profiler --set rust.jemalloc + RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 + MACOSX_DEPLOYMENT_TARGET: 10.12 + MACOSX_STD_DEPLOYMENT_TARGET: 10.12 + SELECT_XCODE: /Applications/Xcode_14.3.1.app + NO_LLVM_ASSERTIONS: 1 + NO_DEBUG_ASSERTIONS: 1 + NO_OVERFLOW_CHECKS: 1 + <<: *job-macos-xl + + - image: x86_64-apple-2 + env: + SCRIPT: ./x.py --stage 2 test tests/ui tests/rustdoc tests/run-make-fulldeps + <<: *env-x86_64-apple-tests + <<: *job-macos-xl + + # This target only needs to support 11.0 and up as nothing else supports the hardware + - image: dist-aarch64-apple + env: + SCRIPT: ./x.py dist bootstrap --include-default-paths --host=aarch64-apple-darwin --target=aarch64-apple-darwin + RUST_CONFIGURE_ARGS: >- + --enable-full-tools + --enable-sanitizers + --enable-profiler + --set rust.jemalloc + --set llvm.ninja=false + --set rust.lto=thin + RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 + SELECT_XCODE: /Applications/Xcode_14.3.1.app + USE_XCODE_CLANG: 1 + MACOSX_DEPLOYMENT_TARGET: 11.0 + MACOSX_STD_DEPLOYMENT_TARGET: 11.0 + NO_LLVM_ASSERTIONS: 1 + NO_DEBUG_ASSERTIONS: 1 + NO_OVERFLOW_CHECKS: 1 + DIST_REQUIRE_ALL_TOOLS: 1 + <<: *job-macos-m1 + + # This target only needs to support 11.0 and up as nothing else supports the hardware + - image: aarch64-apple + env: + SCRIPT: ./x.py --stage 2 test --host=aarch64-apple-darwin --target=aarch64-apple-darwin + RUST_CONFIGURE_ARGS: >- + --enable-sanitizers + --enable-profiler + --set rust.jemalloc + RUSTC_RETRY_LINKER_ON_SEGFAULT: 1 + SELECT_XCODE: /Applications/Xcode_14.3.1.app + USE_XCODE_CLANG: 1 + MACOSX_DEPLOYMENT_TARGET: 11.0 + MACOSX_STD_DEPLOYMENT_TARGET: 11.0 + NO_LLVM_ASSERTIONS: 1 + NO_DEBUG_ASSERTIONS: 1 + NO_OVERFLOW_CHECKS: 1 + <<: *job-macos-m1 + + ###################### + # Windows Builders # + ###################### + + - image: x86_64-msvc + env: + RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-profiler + SCRIPT: make ci-msvc + <<: *job-windows-8c + + - image: i686-msvc + env: + RUST_CONFIGURE_ARGS: --build=i686-pc-windows-msvc + SCRIPT: make ci-msvc + <<: *job-windows-8c + + - image: x86_64-msvc-ext + env: + SCRIPT: python x.py --stage 2 test src/tools/cargotest src/tools/cargo && src/ci/docker/host-x86_64/x86_64-gnu-tools/checktools.sh x.py /tmp/toolstate/toolstates.json windows + HOST_TARGET: x86_64-pc-windows-msvc + RUST_CONFIGURE_ARGS: --build=x86_64-pc-windows-msvc --enable-lld --save-toolstates=/tmp/toolstate/toolstates.json + DEPLOY_TOOLSTATES_JSON: toolstates-windows.json + <<: *job-windows-8c + + # 32/64-bit MinGW builds. + # + # We are using MinGW with POSIX threads since LLVM requires + # C++'s std::thread which is disabled in libstdc++ with win32 threads. + # FIXME: Libc++ doesn't have this limitation so we can avoid + # winpthreads if we switch to it. + # + # Instead of relying on the MinGW version installed on CI we download + # and install one ourselves so we won't be surprised by changes to CI's + # build image. + # + # Finally, note that the downloads below are all in the `rust-lang-ci` S3 + # bucket, but they clearly didn't originate there! The downloads originally + # came from the mingw-w64 SourceForge download site. Unfortunately + # SourceForge is notoriously flaky, so we mirror it on our own infrastructure. + + - image: i686-mingw + env: + RUST_CONFIGURE_ARGS: --build=i686-pc-windows-gnu + SCRIPT: make ci-mingw + # We are intentionally allowing an old toolchain on this builder (and that's + # incompatible with LLVM downloads today). + NO_DOWNLOAD_CI_LLVM: 1 + CUSTOM_MINGW: 1 + <<: *job-windows-8c + + - image: x86_64-mingw + env: + SCRIPT: make ci-mingw + RUST_CONFIGURE_ARGS: >- + --build=x86_64-pc-windows-gnu + --enable-profiler + # We are intentionally allowing an old toolchain on this builder (and that's + # incompatible with LLVM downloads today). + NO_DOWNLOAD_CI_LLVM: 1 + CUSTOM_MINGW: 1 + <<: *job-windows-8c + + - image: dist-x86_64-msvc + env: + RUST_CONFIGURE_ARGS: >- + --build=x86_64-pc-windows-msvc + --host=x86_64-pc-windows-msvc + --target=x86_64-pc-windows-msvc + --enable-full-tools + --enable-profiler + --set rust.codegen-units=1 + SCRIPT: python x.py build --set rust.debug=true opt-dist && PGO_HOST=x86_64-pc-windows-msvc ./build/x86_64-pc-windows-msvc/stage0-tools-bin/opt-dist windows-ci -- python x.py dist bootstrap --include-default-paths + DIST_REQUIRE_ALL_TOOLS: 1 + <<: *job-windows-8c + + - image: dist-i686-msvc + env: + RUST_CONFIGURE_ARGS: >- + --build=i686-pc-windows-msvc + --host=i686-pc-windows-msvc + --target=i686-pc-windows-msvc,i586-pc-windows-msvc + --enable-full-tools + --enable-profiler + SCRIPT: python x.py dist bootstrap --include-default-paths + DIST_REQUIRE_ALL_TOOLS: 1 + <<: *job-windows-8c + + - image: dist-aarch64-msvc + env: + RUST_CONFIGURE_ARGS: >- + --build=x86_64-pc-windows-msvc + --host=aarch64-pc-windows-msvc + --enable-full-tools + --enable-profiler + SCRIPT: python x.py dist bootstrap --include-default-paths + DIST_REQUIRE_ALL_TOOLS: 1 + <<: *job-windows-8c + + - image: dist-i686-mingw + env: + RUST_CONFIGURE_ARGS: >- + --build=i686-pc-windows-gnu + --enable-full-tools + --enable-profiler + # We are intentionally allowing an old toolchain on this builder (and that's + # incompatible with LLVM downloads today). + NO_DOWNLOAD_CI_LLVM: 1 + SCRIPT: python x.py dist bootstrap --include-default-paths + CUSTOM_MINGW: 1 + DIST_REQUIRE_ALL_TOOLS: 1 + <<: *job-windows-8c + + - image: dist-x86_64-mingw + env: + SCRIPT: python x.py dist bootstrap --include-default-paths + RUST_CONFIGURE_ARGS: >- + --build=x86_64-pc-windows-gnu + --enable-full-tools + --enable-profiler + # We are intentionally allowing an old toolchain on this builder (and that's + # incompatible with LLVM downloads today). + NO_DOWNLOAD_CI_LLVM: 1 + CUSTOM_MINGW: 1 + DIST_REQUIRE_ALL_TOOLS: 1 + <<: *job-windows-8c + + - image: 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-8c diff --git a/src/ci/scripts/calculate-job-matrix.py b/src/ci/scripts/calculate-job-matrix.py deleted file mode 100755 index 9b1e74c23c3..00000000000 --- a/src/ci/scripts/calculate-job-matrix.py +++ /dev/null @@ -1,25 +0,0 @@ -#!/usr/bin/env python3 - -""" -This script serves for generating a matrix of jobs that should -be executed on CI. - -It reads job definitions from `src/ci/github-actions/jobs.yml` -and filters them based on the event that happened on CI. - -Currently, it only supports PR builds. -""" - -import json -from pathlib import Path - -import yaml - -JOBS_YAML_PATH = Path(__file__).absolute().parent.parent / "github-actions" / "jobs.yml" - - -if __name__ == "__main__": - with open(JOBS_YAML_PATH) as f: - jobs = yaml.safe_load(f) - job_output = jobs["pr"] - print(f"jobs={json.dumps(job_output)}") diff --git a/src/doc/unstable-book/src/language-features/coroutines.md b/src/doc/unstable-book/src/language-features/coroutines.md index f8e5a22fbd5..9fb07594650 100644 --- a/src/doc/unstable-book/src/language-features/coroutines.md +++ b/src/doc/unstable-book/src/language-features/coroutines.md @@ -26,13 +26,13 @@ tweaks to the overall design. A syntactical example of a coroutine is: ```rust -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; fn main() { - let mut coroutine = || { + let mut coroutine = #[coroutine] || { yield 1; return "foo" }; @@ -48,7 +48,8 @@ fn main() { } ``` -Coroutines are closure-like literals which can contain a `yield` statement. The +Coroutines are closure-like literals which are annotated with `#[coroutine]` +and can contain a `yield` statement. The `yield` statement takes an optional expression of a value to yield out of the coroutine. All coroutine literals implement the `Coroutine` trait in the `std::ops` module. The `Coroutine` trait has one main method, `resume`, which @@ -58,13 +59,13 @@ An example of the control flow of coroutines is that the following example prints all numbers in order: ```rust -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::pin::Pin; fn main() { - let mut coroutine = || { + let mut coroutine = #[coroutine] || { println!("2"); yield; println!("4"); @@ -78,9 +79,9 @@ fn main() { } ``` -At this time the main intended use case of coroutines is an implementation -primitive for async/await syntax, but coroutines will likely be extended to -ergonomic implementations of iterators and other primitives in the future. +At this time the main use case of coroutines is an implementation +primitive for `async`/`await` and `gen` syntax, but coroutines +will likely be extended to other primitives in the future. Feedback on the design and usage is always appreciated! ### The `Coroutine` trait @@ -163,14 +164,14 @@ which point all state is saved off in the coroutine and a value is returned. Let's take a look at an example to see what's going on here: ```rust -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::pin::Pin; fn main() { let ret = "foo"; - let mut coroutine = move || { + let mut coroutine = #[coroutine] move || { yield 1; return ret }; @@ -183,7 +184,7 @@ fn main() { This coroutine literal will compile down to something similar to: ```rust -#![feature(arbitrary_self_types, coroutines, coroutine_trait)] +#![feature(arbitrary_self_types, coroutine_trait)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; diff --git a/src/doc/unstable-book/src/the-unstable-book.md b/src/doc/unstable-book/src/the-unstable-book.md index 0f4fb405669..63134f7ae28 100644 --- a/src/doc/unstable-book/src/the-unstable-book.md +++ b/src/doc/unstable-book/src/the-unstable-book.md @@ -5,13 +5,13 @@ each one organized by a "feature flag." That is, when using an unstable feature of Rust, you must use a flag, like this: ```rust -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; fn main() { - let mut coroutine = || { + let mut coroutine = #[coroutine] || { yield 1; return "foo" }; diff --git a/src/tools/cargo b/src/tools/cargo -Subproject 80d5b607dde6ef97dfff4e23923822c01d2bb03 +Subproject c9392675917adc2edab269eea27c222b5359c63 diff --git a/src/tools/clippy/tests/ui/crashes/ice-5238.rs b/src/tools/clippy/tests/ui/crashes/ice-5238.rs index b1fc3fb9d25..fe03a39ad1b 100644 --- a/src/tools/clippy/tests/ui/crashes/ice-5238.rs +++ b/src/tools/clippy/tests/ui/crashes/ice-5238.rs @@ -1,9 +1,9 @@ // Regression test for #5238 / https://github.com/rust-lang/rust/pull/69562 -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] fn main() { - let _ = || { + let _ = #[coroutine] || { yield; }; } diff --git a/src/tools/clippy/tests/ui/large_futures.fixed b/src/tools/clippy/tests/ui/large_futures.fixed index aa8c3021b97..1e87859f452 100644 --- a/src/tools/clippy/tests/ui/large_futures.fixed +++ b/src/tools/clippy/tests/ui/large_futures.fixed @@ -1,4 +1,3 @@ -#![feature(coroutines)] #![warn(clippy::large_futures)] #![allow(clippy::never_loop)] #![allow(clippy::future_not_send)] diff --git a/src/tools/clippy/tests/ui/large_futures.rs b/src/tools/clippy/tests/ui/large_futures.rs index fc6ea458d3d..3f4ea2ebf8b 100644 --- a/src/tools/clippy/tests/ui/large_futures.rs +++ b/src/tools/clippy/tests/ui/large_futures.rs @@ -1,4 +1,3 @@ -#![feature(coroutines)] #![warn(clippy::large_futures)] #![allow(clippy::never_loop)] #![allow(clippy::future_not_send)] diff --git a/src/tools/clippy/tests/ui/large_futures.stderr b/src/tools/clippy/tests/ui/large_futures.stderr index 5709c7b77a0..00082e579c5 100644 --- a/src/tools/clippy/tests/ui/large_futures.stderr +++ b/src/tools/clippy/tests/ui/large_futures.stderr @@ -1,5 +1,5 @@ error: large future with a size of 16385 bytes - --> tests/ui/large_futures.rs:11:9 + --> tests/ui/large_futures.rs:10:9 | LL | big_fut([0u8; 1024 * 16]).await; | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider `Box::pin` on it: `Box::pin(big_fut([0u8; 1024 * 16]))` @@ -8,37 +8,37 @@ LL | big_fut([0u8; 1024 * 16]).await; = help: to override `-D warnings` add `#[allow(clippy::large_futures)]` error: large future with a size of 16386 bytes - --> tests/ui/large_futures.rs:15:5 + --> tests/ui/large_futures.rs:14:5 | LL | f.await | ^ help: consider `Box::pin` on it: `Box::pin(f)` error: large future with a size of 16387 bytes - --> tests/ui/large_futures.rs:20:9 + --> tests/ui/large_futures.rs:19:9 | LL | wait().await; | ^^^^^^ help: consider `Box::pin` on it: `Box::pin(wait())` error: large future with a size of 16387 bytes - --> tests/ui/large_futures.rs:25:13 + --> tests/ui/large_futures.rs:24:13 | LL | wait().await; | ^^^^^^ help: consider `Box::pin` on it: `Box::pin(wait())` error: large future with a size of 65540 bytes - --> tests/ui/large_futures.rs:33:5 + --> tests/ui/large_futures.rs:32:5 | LL | foo().await; | ^^^^^ help: consider `Box::pin` on it: `Box::pin(foo())` error: large future with a size of 49159 bytes - --> tests/ui/large_futures.rs:35:5 + --> tests/ui/large_futures.rs:34:5 | LL | calls_fut(fut).await; | ^^^^^^^^^^^^^^ help: consider `Box::pin` on it: `Box::pin(calls_fut(fut))` error: large future with a size of 65540 bytes - --> tests/ui/large_futures.rs:48:5 + --> tests/ui/large_futures.rs:47:5 | LL | / async { LL | | @@ -59,7 +59,7 @@ LL + }) | error: large future with a size of 65540 bytes - --> tests/ui/large_futures.rs:60:13 + --> tests/ui/large_futures.rs:59:13 | LL | / async { LL | | let x = [0i32; 1024 * 16]; diff --git a/src/tools/clippy/tests/ui/redundant_locals.rs b/src/tools/clippy/tests/ui/redundant_locals.rs index f6909828aa9..e9d77182a91 100644 --- a/src/tools/clippy/tests/ui/redundant_locals.rs +++ b/src/tools/clippy/tests/ui/redundant_locals.rs @@ -1,7 +1,7 @@ //@aux-build:proc_macros.rs #![allow(unused, clippy::no_effect, clippy::needless_pass_by_ref_mut)] #![warn(clippy::redundant_locals)] -#![feature(async_closure, coroutines)] +#![feature(async_closure, coroutines, stmt_expr_attributes)] extern crate proc_macros; use proc_macros::{external, with_span}; @@ -191,11 +191,11 @@ fn issue12225() { let v4 = v4; dbg!(&v4); }); - assert_static(static || { + assert_static(#[coroutine] static || { let v5 = v5; yield; }); - assert_static(|| { + assert_static(#[coroutine] || { let v6 = v6; yield; }); diff --git a/src/tools/miri/tests/fail/coroutine-pinned-moved.rs b/src/tools/miri/tests/fail/coroutine-pinned-moved.rs index 005ae7e9132..8648be2a264 100644 --- a/src/tools/miri/tests/fail/coroutine-pinned-moved.rs +++ b/src/tools/miri/tests/fail/coroutine-pinned-moved.rs @@ -1,5 +1,5 @@ //@compile-flags: -Zmiri-disable-validation -Zmiri-disable-stacked-borrows -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::{ ops::{Coroutine, CoroutineState}, @@ -7,7 +7,7 @@ use std::{ }; fn firstn() -> impl Coroutine<Yield = u64, Return = ()> { - static move || { + #[coroutine] static move || { let mut num = 0; let num = &mut num; *num += 0; diff --git a/src/tools/miri/tests/pass/coroutine.rs b/src/tools/miri/tests/pass/coroutine.rs index 7e1f64df04d..e76abfc4185 100644 --- a/src/tools/miri/tests/pass/coroutine.rs +++ b/src/tools/miri/tests/pass/coroutine.rs @@ -1,6 +1,6 @@ //@revisions: stack tree //@[tree]compile-flags: -Zmiri-tree-borrows -#![feature(coroutines, coroutine_trait, never_type)] +#![feature(coroutines, coroutine_trait, never_type, stmt_expr_attributes)] use std::fmt::Debug; use std::mem::ManuallyDrop; @@ -43,9 +43,9 @@ fn basic() { panic!() } - finish(1, false, || yield 1); + finish(1, false, #[coroutine] || yield 1); - finish(3, false, || { + finish(3, false, #[coroutine] || { let mut x = 0; yield 1; x += 1; @@ -55,27 +55,27 @@ fn basic() { assert_eq!(x, 2); }); - finish(7 * 8 / 2, false, || { + finish(7 * 8 / 2, false, #[coroutine] || { for i in 0..8 { yield i; } }); - finish(1, false, || { + finish(1, false, #[coroutine] || { if true { yield 1; } else { } }); - finish(1, false, || { + finish(1, false, #[coroutine] || { if false { } else { yield 1; } }); - finish(2, false, || { + finish(2, false, #[coroutine] || { if { yield 1; false @@ -88,7 +88,7 @@ fn basic() { // also test self-referential coroutines assert_eq!( - finish(5, true, static || { + finish(5, true, #[coroutine] static || { let mut x = 5; let y = &mut x; *y = 5; @@ -99,7 +99,7 @@ fn basic() { 10 ); assert_eq!( - finish(5, true, || { + finish(5, true, #[coroutine] || { let mut x = Box::new(5); let y = &mut *x; *y = 5; @@ -111,7 +111,7 @@ fn basic() { ); let b = true; - finish(1, false, || { + finish(1, false, #[coroutine] || { yield 1; if b { return; @@ -123,7 +123,7 @@ fn basic() { drop(x); }); - finish(3, false, || { + finish(3, false, #[coroutine] || { yield 1; #[allow(unreachable_code)] let _x: (String, !) = (String::new(), { @@ -172,7 +172,7 @@ fn smoke_resume_arg() { } drain( - &mut |mut b| { + &mut #[coroutine] |mut b| { while b != 0 { b = yield (b + 1); } @@ -181,21 +181,21 @@ fn smoke_resume_arg() { vec![(1, Yielded(2)), (-45, Yielded(-44)), (500, Yielded(501)), (0, Complete(-1))], ); - expect_drops(2, || drain(&mut |a| yield a, vec![(DropMe, Yielded(DropMe))])); + expect_drops(2, || drain(&mut #[coroutine] |a| yield a, vec![(DropMe, Yielded(DropMe))])); expect_drops(6, || { drain( - &mut |a| yield yield a, + &mut #[coroutine] |a| yield yield a, vec![(DropMe, Yielded(DropMe)), (DropMe, Yielded(DropMe)), (DropMe, Complete(DropMe))], ) }); #[allow(unreachable_code)] - expect_drops(2, || drain(&mut |a| yield return a, vec![(DropMe, Complete(DropMe))])); + expect_drops(2, || drain(&mut #[coroutine] |a| yield return a, vec![(DropMe, Complete(DropMe))])); expect_drops(2, || { drain( - &mut |a: DropMe| { + &mut #[coroutine] |a: DropMe| { if false { yield () } else { a } }, vec![(DropMe, Complete(DropMe))], @@ -205,7 +205,7 @@ fn smoke_resume_arg() { expect_drops(4, || { drain( #[allow(unused_assignments, unused_variables)] - &mut |mut a: DropMe| { + &mut #[coroutine] |mut a: DropMe| { a = yield; a = yield; a = yield; @@ -228,7 +228,7 @@ fn uninit_fields() { } fn run<T>(x: bool, y: bool) { - let mut c = || { + let mut c = #[coroutine] || { if x { let _a: T; if y { diff --git a/src/tools/miri/tests/pass/stacked-borrows/coroutine-self-referential.rs b/src/tools/miri/tests/pass/stacked-borrows/coroutine-self-referential.rs index c4b15c8758b..bb98e024a0a 100644 --- a/src/tools/miri/tests/pass/stacked-borrows/coroutine-self-referential.rs +++ b/src/tools/miri/tests/pass/stacked-borrows/coroutine-self-referential.rs @@ -1,6 +1,6 @@ // See https://github.com/rust-lang/unsafe-code-guidelines/issues/148: // this fails when Stacked Borrows is strictly applied even to `!Unpin` types. -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::{ ops::{Coroutine, CoroutineState}, @@ -8,7 +8,7 @@ use std::{ }; fn firstn() -> impl Coroutine<Yield = u64, Return = ()> { - static move || { + #[coroutine] static move || { let mut num = 0; let num = &mut num; diff --git a/src/tools/miri/tests/pass/track-caller-attribute.rs b/src/tools/miri/tests/pass/track-caller-attribute.rs index d88bcc98858..c3803af3cc8 100644 --- a/src/tools/miri/tests/pass/track-caller-attribute.rs +++ b/src/tools/miri/tests/pass/track-caller-attribute.rs @@ -232,7 +232,7 @@ fn test_coroutine() { } #[rustfmt::skip] - let coroutine = #[track_caller] |arg: String| { + let coroutine = #[track_caller] #[coroutine] |arg: String| { yield ("first", arg.clone(), Location::caller()); yield ("second", arg.clone(), Location::caller()); }; @@ -255,7 +255,7 @@ fn test_coroutine() { assert_eq!(mono_loc.column(), 42); #[rustfmt::skip] - let non_tracked_coroutine = || { yield Location::caller(); }; + let non_tracked_coroutine = #[coroutine] || { yield Location::caller(); }; let non_tracked_line = line!() - 1; // This is the line of the coroutine, not its caller let non_tracked_loc = match Box::pin(non_tracked_coroutine).as_mut().resume(()) { CoroutineState::Yielded(val) => val, @@ -263,7 +263,7 @@ fn test_coroutine() { }; assert_eq!(non_tracked_loc.file(), file!()); assert_eq!(non_tracked_loc.line(), non_tracked_line); - assert_eq!(non_tracked_loc.column(), 44); + assert_eq!(non_tracked_loc.column(), 57); } fn main() { diff --git a/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs b/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs index d50088e6cf1..c92d4e78ffa 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/generated/lints.rs @@ -3869,7 +3869,7 @@ use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; fn main() { - let mut coroutine = || { + let mut coroutine = #[coroutine] || { yield 1; return "foo" }; @@ -3901,7 +3901,7 @@ use std::ops::Coroutine; use std::pin::Pin; fn main() { - let mut coroutine = || { + let mut coroutine = #[coroutine] || { println!("2"); yield; println!("4"); @@ -4007,7 +4007,7 @@ use std::pin::Pin; fn main() { let ret = "foo"; - let mut coroutine = move || { + let mut coroutine = #[coroutine] move || { yield 1; return ret }; diff --git a/src/tools/rustfmt/tests/source/immovable_coroutines.rs b/src/tools/rustfmt/tests/source/immovable_coroutines.rs index 3b94af0c96c..539049577a0 100644 --- a/src/tools/rustfmt/tests/source/immovable_coroutines.rs +++ b/src/tools/rustfmt/tests/source/immovable_coroutines.rs @@ -1,7 +1,8 @@ #![feature(coroutines)] unsafe fn foo() { - let mut ga = static || { + let mut ga = #[coroutine] + static || { yield 1; }; } diff --git a/src/tools/rustfmt/tests/target/immovable_coroutines.rs b/src/tools/rustfmt/tests/target/immovable_coroutines.rs index f52cfa00f97..539049577a0 100644 --- a/src/tools/rustfmt/tests/target/immovable_coroutines.rs +++ b/src/tools/rustfmt/tests/target/immovable_coroutines.rs @@ -1,7 +1,8 @@ #![feature(coroutines)] unsafe fn foo() { - let mut ga = static || { + let mut ga = #[coroutine] + static || { yield 1; }; } diff --git a/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-32bit.rs b/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-32bit.rs index 12339cb4415..51b4dc4e169 100644 --- a/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-32bit.rs +++ b/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-32bit.rs @@ -37,23 +37,9 @@ pub fn array_char(f: fn(*const char)) { f(&b as *const _); f(&c as *const _); - // Any type of local array variable leads to stack protection with the - // "strong" heuristic. The 'basic' heuristic only adds stack protection to - // functions with local array variables of a byte-sized type, however. Since - // 'char' is 4 bytes in Rust, this function is not protected by the 'basic' - // heuristic - // - // (This test *also* takes the address of the local stack variables. We - // cannot know that this isn't what triggers the `strong` heuristic. - // However, the test strategy of passing the address of a stack array to an - // external function is sufficient to trigger the `basic` heuristic (see - // test `array_u8_large()`). Since the `basic` heuristic only checks for the - // presence of stack-local array variables, we can be confident that this - // test also captures this part of the `strong` heuristic specification.) - // all: __security_check_cookie // strong: __security_check_cookie - // basic-NOT: __security_check_cookie + // basic: __security_check_cookie // none-NOT: __security_check_cookie // missing-NOT: __security_check_cookie } @@ -231,8 +217,8 @@ pub fn local_large_var_moved(f: fn(Gigastruct)) { // Even though the local variable conceptually doesn't have its address // taken, it's so large that the "move" is implemented with a reference to a // stack-local variable in the ABI. Consequently, this function *is* - // protected by the `strong` heuristic. This is also the case for - // rvalue-references in C++, regardless of struct size: + // protected. This is also the case for rvalue-references in C++, + // regardless of struct size: // ``` // cat <<EOF | clang++ -O2 -fstack-protector-strong -S -x c++ - -o - | grep stack_chk // #include <cstdint> @@ -246,7 +232,7 @@ pub fn local_large_var_moved(f: fn(Gigastruct)) { // all: __security_check_cookie // strong: __security_check_cookie - // basic-NOT: __security_check_cookie + // basic: __security_check_cookie // none-NOT: __security_check_cookie // missing-NOT: __security_check_cookie } @@ -259,9 +245,9 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // A new instance of `Gigastruct` is passed to `f()`, without any apparent // connection to this stack frame. Still, since instances of `Gigastruct` // are sufficiently large, it is allocated in the caller stack frame and - // passed as a pointer. As such, this function is *also* protected by the - // `strong` heuristic, just like `local_large_var_moved`. This is also the - // case for pass-by-value of sufficiently large structs in C++: + // passed as a pointer. As such, this function is *also* protected, just + // like `local_large_var_moved`. This is also the case for pass-by-value + // of sufficiently large structs in C++: // ``` // cat <<EOF | clang++ -O2 -fstack-protector-strong -S -x c++ - -o - | grep stack_chk // #include <cstdint> @@ -276,7 +262,7 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // all: __security_check_cookie // strong: __security_check_cookie - // basic-NOT: __security_check_cookie + // basic: __security_check_cookie // none-NOT: __security_check_cookie // missing-NOT: __security_check_cookie } diff --git a/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-64bit.rs b/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-64bit.rs index 46c77511251..c5915262c09 100644 --- a/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-64bit.rs +++ b/tests/assembly/stack-protector/stack-protector-heuristics-effect-windows-64bit.rs @@ -37,23 +37,9 @@ pub fn array_char(f: fn(*const char)) { f(&b as *const _); f(&c as *const _); - // Any type of local array variable leads to stack protection with the - // "strong" heuristic. The 'basic' heuristic only adds stack protection to - // functions with local array variables of a byte-sized type, however. Since - // 'char' is 4 bytes in Rust, this function is not protected by the 'basic' - // heuristic - // - // (This test *also* takes the address of the local stack variables. We - // cannot know that this isn't what triggers the `strong` heuristic. - // However, the test strategy of passing the address of a stack array to an - // external function is sufficient to trigger the `basic` heuristic (see - // test `array_u8_large()`). Since the `basic` heuristic only checks for the - // presence of stack-local array variables, we can be confident that this - // test also captures this part of the `strong` heuristic specification.) - // all: __security_check_cookie // strong: __security_check_cookie - // basic-NOT: __security_check_cookie + // basic: __security_check_cookie // none-NOT: __security_check_cookie // missing-NOT: __security_check_cookie } @@ -239,8 +225,8 @@ pub fn local_large_var_moved(f: fn(Gigastruct)) { // Even though the local variable conceptually doesn't have its address // taken, it's so large that the "move" is implemented with a reference to a // stack-local variable in the ABI. Consequently, this function *is* - // protected by the `strong` heuristic. This is also the case for - // rvalue-references in C++, regardless of struct size: + // protected. This is also the case for rvalue-references in C++, + // regardless of struct size: // ``` // cat <<EOF | clang++ -O2 -fstack-protector-strong -S -x c++ - -o - | grep stack_chk // #include <cstdint> @@ -254,7 +240,7 @@ pub fn local_large_var_moved(f: fn(Gigastruct)) { // all: __security_check_cookie // strong: __security_check_cookie - // basic-NOT: __security_check_cookie + // basic: __security_check_cookie // none-NOT: __security_check_cookie // missing-NOT: __security_check_cookie } @@ -267,9 +253,9 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // A new instance of `Gigastruct` is passed to `f()`, without any apparent // connection to this stack frame. Still, since instances of `Gigastruct` // are sufficiently large, it is allocated in the caller stack frame and - // passed as a pointer. As such, this function is *also* protected by the - // `strong` heuristic, just like `local_large_var_moved`. This is also the - // case for pass-by-value of sufficiently large structs in C++: + // passed as a pointer. As such, this function is *also* protected, just + // like `local_large_var_moved`. This is also the case for pass-by-value + // of sufficiently large structs in C++: // ``` // cat <<EOF | clang++ -O2 -fstack-protector-strong -S -x c++ - -o - | grep stack_chk // #include <cstdint> @@ -284,7 +270,7 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // all: __security_check_cookie // strong: __security_check_cookie - // basic-NOT: __security_check_cookie + // basic: __security_check_cookie // none-NOT: __security_check_cookie // missing-NOT: __security_check_cookie } diff --git a/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs b/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs index e63adc88ff5..8e32d170244 100644 --- a/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs +++ b/tests/assembly/stack-protector/stack-protector-heuristics-effect.rs @@ -11,6 +11,11 @@ //@ compile-flags: -C opt-level=2 -Z merge-functions=disabled //@ min-llvm-version: 17.0.2 +// NOTE: the heuristics for stack smash protection inappropriately rely on types in LLVM IR, +// despite those types having no semantic meaning. This means that the `basic` and `strong` +// settings do not behave in a coherent way. This is a known issue in LLVM. +// See comments on https://github.com/rust-lang/rust/issues/114903. + #![crate_type = "lib"] #![allow(incomplete_features)] @@ -39,23 +44,9 @@ pub fn array_char(f: fn(*const char)) { f(&b as *const _); f(&c as *const _); - // Any type of local array variable leads to stack protection with the - // "strong" heuristic. The 'basic' heuristic only adds stack protection to - // functions with local array variables of a byte-sized type, however. Since - // 'char' is 4 bytes in Rust, this function is not protected by the 'basic' - // heuristic - // - // (This test *also* takes the address of the local stack variables. We - // cannot know that this isn't what triggers the `strong` heuristic. - // However, the test strategy of passing the address of a stack array to an - // external function is sufficient to trigger the `basic` heuristic (see - // test `array_u8_large()`). Since the `basic` heuristic only checks for the - // presence of stack-local array variables, we can be confident that this - // test also captures this part of the `strong` heuristic specification.) - // all: __stack_chk_fail // strong: __stack_chk_fail - // basic-NOT: __stack_chk_fail + // basic: __stack_chk_fail // none-NOT: __stack_chk_fail // missing-NOT: __stack_chk_fail } @@ -163,26 +154,11 @@ pub fn local_string_addr_taken(f: fn(&String)) { f(&x); // Taking the address of the local variable `x` leads to stack smash - // protection with the `strong` heuristic, but not with the `basic` - // heuristic. It does not matter that the reference is not mut. - // - // An interesting note is that a similar function in C++ *would* be - // protected by the `basic` heuristic, because `std::string` has a char - // array internally as a small object optimization: - // ``` - // cat <<EOF | clang++ -O2 -fstack-protector -S -x c++ - -o - | grep stack_chk - // #include <string> - // void f(void (*g)(const std::string&)) { - // std::string x; - // g(x); - // } - // EOF - // ``` - // + // protection. It does not matter that the reference is not mut. // all: __stack_chk_fail // strong: __stack_chk_fail - // basic-NOT: __stack_chk_fail + // basic: __stack_chk_fail // none-NOT: __stack_chk_fail // missing-NOT: __stack_chk_fail } @@ -233,8 +209,8 @@ pub fn local_large_var_moved(f: fn(Gigastruct)) { // Even though the local variable conceptually doesn't have its address // taken, it's so large that the "move" is implemented with a reference to a // stack-local variable in the ABI. Consequently, this function *is* - // protected by the `strong` heuristic. This is also the case for - // rvalue-references in C++, regardless of struct size: + // protected. This is also the case for rvalue-references in C++, + // regardless of struct size: // ``` // cat <<EOF | clang++ -O2 -fstack-protector-strong -S -x c++ - -o - | grep stack_chk // #include <cstdint> @@ -248,7 +224,7 @@ pub fn local_large_var_moved(f: fn(Gigastruct)) { // all: __stack_chk_fail // strong: __stack_chk_fail - // basic-NOT: __stack_chk_fail + // basic: __stack_chk_fail // none-NOT: __stack_chk_fail // missing-NOT: __stack_chk_fail } @@ -261,9 +237,9 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // A new instance of `Gigastruct` is passed to `f()`, without any apparent // connection to this stack frame. Still, since instances of `Gigastruct` // are sufficiently large, it is allocated in the caller stack frame and - // passed as a pointer. As such, this function is *also* protected by the - // `strong` heuristic, just like `local_large_var_moved`. This is also the - // case for pass-by-value of sufficiently large structs in C++: + // passed as a pointer. As such, this function is *also* protected, just + // like `local_large_var_moved`. This is also the case for pass-by-value + // of sufficiently large structs in C++: // ``` // cat <<EOF | clang++ -O2 -fstack-protector-strong -S -x c++ - -o - | grep stack_chk // #include <cstdint> @@ -275,10 +251,9 @@ pub fn local_large_var_cloned(f: fn(Gigastruct)) { // EOF // ``` - // all: __stack_chk_fail // strong: __stack_chk_fail - // basic-NOT: __stack_chk_fail + // basic: __stack_chk_fail // none-NOT: __stack_chk_fail // missing-NOT: __stack_chk_fail } diff --git a/tests/codegen/align-byval-alignment-mismatch.rs b/tests/codegen/align-byval-alignment-mismatch.rs index 306e3ce1358..71f2dd42ec2 100644 --- a/tests/codegen/align-byval-alignment-mismatch.rs +++ b/tests/codegen/align-byval-alignment-mismatch.rs @@ -56,7 +56,7 @@ extern "C" { #[no_mangle] pub unsafe fn rust_to_c_increases_alignment(x: Align1) { // i686-linux: start: - // i686-linux-NEXT: [[ALLOCA:%[0-9a-z]+]] = alloca %Align1, align 4 + // i686-linux-NEXT: [[ALLOCA:%[0-9a-z]+]] = alloca [48 x i8], align 4 // i686-linux-NEXT: call void @llvm.memcpy.{{.+}}(ptr {{.*}}align 4 {{.*}}[[ALLOCA]], ptr {{.*}}align 1 {{.*}}%x // i686-linux-NEXT: call void @extern_c_align1({{.+}} [[ALLOCA]]) @@ -90,7 +90,7 @@ pub unsafe extern "C" fn c_to_rust_decreases_alignment(x: Align1) { #[no_mangle] pub unsafe extern "C" fn c_to_rust_increases_alignment(x: Align16) { // i686-linux: start: - // i686-linux-NEXT: [[ALLOCA:%[0-9a-z]+]] = alloca %Align16, align 16 + // i686-linux-NEXT: [[ALLOCA:%[0-9a-z]+]] = alloca [48 x i8], align 16 // i686-linux-NEXT: call void @llvm.memcpy.{{.+}}(ptr {{.*}}align 16 {{.*}}[[ALLOCA]], ptr {{.*}}align 4 {{.*}}%0 // i686-linux-NEXT: call void @extern_rust_align16({{.+}} [[ALLOCA]]) @@ -116,7 +116,7 @@ pub unsafe extern "C" fn c_to_rust_ref_decreases_alignment(x: Align1) { #[no_mangle] pub unsafe extern "C" fn c_to_rust_ref_increases_alignment(x: Align16) { // i686-linux: start: - // i686-linux-NEXT: [[ALLOCA:%[0-9a-z]+]] = alloca %Align16, align 16 + // i686-linux-NEXT: [[ALLOCA:%[0-9a-z]+]] = alloca [48 x i8], align 16 // i686-linux-NEXT: call void @llvm.memcpy.{{.+}}(ptr {{.*}}align 16 {{.*}}[[ALLOCA]], ptr {{.*}}align 4 {{.*}}%0 // i686-linux-NEXT: call void @extern_rust_ref_align16({{.+}} [[ALLOCA]]) diff --git a/tests/codegen/align-byval.rs b/tests/codegen/align-byval.rs index c74e236f29d..3a2be2b2b9c 100644 --- a/tests/codegen/align-byval.rs +++ b/tests/codegen/align-byval.rs @@ -106,20 +106,20 @@ pub struct ForceAlign16 { pub unsafe fn call_na1(x: NaturalAlign1) { // CHECK: start: - // m68k: [[ALLOCA:%[a-z0-9+]]] = alloca %NaturalAlign1, align 1 + // m68k: [[ALLOCA:%[a-z0-9+]]] = alloca [2 x i8], align 1 // m68k: call void @natural_align_1({{.*}}byval([2 x i8]) align 1{{.*}} [[ALLOCA]]) - // wasm: [[ALLOCA:%[a-z0-9+]]] = alloca %NaturalAlign1, align 1 + // wasm: [[ALLOCA:%[a-z0-9+]]] = alloca [2 x i8], align 1 // wasm: call void @natural_align_1({{.*}}byval([2 x i8]) align 1{{.*}} [[ALLOCA]]) // x86_64-linux: call void @natural_align_1(i16 // x86_64-windows: call void @natural_align_1(i16 - // i686-linux: [[ALLOCA:%[a-z0-9+]]] = alloca %NaturalAlign1, align 4 + // i686-linux: [[ALLOCA:%[a-z0-9+]]] = alloca [2 x i8], align 4 // i686-linux: call void @natural_align_1({{.*}}byval([2 x i8]) align 4{{.*}} [[ALLOCA]]) - // i686-windows: [[ALLOCA:%[a-z0-9+]]] = alloca %NaturalAlign1, align 4 + // i686-windows: [[ALLOCA:%[a-z0-9+]]] = alloca [2 x i8], align 4 // i686-windows: call void @natural_align_1({{.*}}byval([2 x i8]) align 4{{.*}} [[ALLOCA]]) natural_align_1(x); } @@ -134,10 +134,10 @@ pub unsafe fn call_na2(x: NaturalAlign2) { // x86_64-linux-NEXT: call void @natural_align_2 // x86_64-windows-NEXT: call void @natural_align_2 - // i686-linux: [[ALLOCA:%[0-9]+]] = alloca %NaturalAlign2, align 4 + // i686-linux: [[ALLOCA:%[0-9]+]] = alloca [34 x i8], align 4 // i686-linux: call void @natural_align_2({{.*}}byval([34 x i8]) align 4{{.*}} [[ALLOCA]]) - // i686-windows: [[ALLOCA:%[0-9]+]] = alloca %NaturalAlign2, align 4 + // i686-windows: [[ALLOCA:%[0-9]+]] = alloca [34 x i8], align 4 // i686-windows: call void @natural_align_2({{.*}}byval([34 x i8]) align 4{{.*}} [[ALLOCA]]) natural_align_2(x); } diff --git a/tests/codegen/align-enum.rs b/tests/codegen/align-enum.rs index b40168d77a4..93d5a87fb30 100644 --- a/tests/codegen/align-enum.rs +++ b/tests/codegen/align-enum.rs @@ -18,7 +18,7 @@ pub struct Nested64 { // CHECK-LABEL: @align64 #[no_mangle] pub fn align64(a: u32) -> Align64 { -// CHECK: %a64 = alloca %Align64, align 64 +// CHECK: %a64 = alloca [64 x i8], align 64 // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 64 %{{.*}}, ptr align 64 %{{.*}}, i{{[0-9]+}} 64, i1 false) let a64 = Align64::A(a); a64 @@ -27,7 +27,7 @@ pub fn align64(a: u32) -> Align64 { // CHECK-LABEL: @nested64 #[no_mangle] pub fn nested64(a: u8, b: u32, c: u16) -> Nested64 { -// CHECK: %n64 = alloca %Nested64, align 64 +// CHECK: %n64 = alloca [128 x i8], align 64 let n64 = Nested64 { a, b: Align64::B(b), c }; n64 } diff --git a/tests/codegen/align-struct.rs b/tests/codegen/align-struct.rs index dbbb85bee6f..e70b42b47db 100644 --- a/tests/codegen/align-struct.rs +++ b/tests/codegen/align-struct.rs @@ -26,7 +26,7 @@ pub enum Enum64 { // CHECK-LABEL: @align64 #[no_mangle] pub fn align64(i : i32) -> Align64 { -// CHECK: %a64 = alloca %Align64, align 64 +// CHECK: %a64 = alloca [64 x i8], align 64 // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 64 %{{.*}}, ptr align 64 %{{.*}}, i{{[0-9]+}} 64, i1 false) let a64 = Align64(i); a64 @@ -44,7 +44,7 @@ pub fn align64_load(a: Align64) -> i32 { // CHECK-LABEL: @nested64 #[no_mangle] pub fn nested64(a: Align64, b: i32, c: i32, d: i8) -> Nested64 { -// CHECK: %n64 = alloca %Nested64, align 64 +// CHECK: %n64 = alloca [128 x i8], align 64 let n64 = Nested64 { a, b, c, d }; n64 } @@ -52,7 +52,7 @@ pub fn nested64(a: Align64, b: i32, c: i32, d: i8) -> Nested64 { // CHECK-LABEL: @enum4 #[no_mangle] pub fn enum4(a: i32) -> Enum4 { -// CHECK: %e4 = alloca %Enum4, align 4 +// CHECK: %e4 = alloca [8 x i8], align 4 let e4 = Enum4::A(a); e4 } @@ -60,7 +60,7 @@ pub fn enum4(a: i32) -> Enum4 { // CHECK-LABEL: @enum64 #[no_mangle] pub fn enum64(a: Align64) -> Enum64 { -// CHECK: %e64 = alloca %Enum64, align 64 +// CHECK: %e64 = alloca [128 x i8], align 64 let e64 = Enum64::A(a); e64 } diff --git a/tests/codegen/array-codegen.rs b/tests/codegen/array-codegen.rs index 1310e61c41d..fc272f2556c 100644 --- a/tests/codegen/array-codegen.rs +++ b/tests/codegen/array-codegen.rs @@ -18,7 +18,7 @@ pub fn array_load(a: &[u8; 4]) -> [u8; 4] { #[no_mangle] pub fn array_store(a: [u8; 4], p: &mut [u8; 4]) { // CHECK-NOT: alloca - // CHECK: %[[TEMP:.+]] = alloca i32, [[TEMPALIGN:align [0-9]+]] + // CHECK: %[[TEMP:.+]] = alloca [4 x i8], [[TEMPALIGN:align [0-9]+]] // CHECK-NOT: alloca // CHECK: %a = alloca [4 x i8] // CHECK-NOT: alloca diff --git a/tests/codegen/array-map.rs b/tests/codegen/array-map.rs index 743a15989f7..f49dddcfc20 100644 --- a/tests/codegen/array-map.rs +++ b/tests/codegen/array-map.rs @@ -27,7 +27,7 @@ pub fn short_integer_map(x: [u32; 8]) -> [u32; 8] { #[no_mangle] pub fn long_integer_map(x: [u32; 512]) -> [u32; 512] { // CHECK: start: - // CHECK-NEXT: alloca [512 x i32] + // CHECK-NEXT: alloca [2048 x i8] // CHECK-NOT: alloca // CHECK: mul <{{[0-9]+}} x i32> // CHECK: add <{{[0-9]+}} x i32> diff --git a/tests/codegen/cast-target-abi.rs b/tests/codegen/cast-target-abi.rs index e6024f03425..9c31acc9bb7 100644 --- a/tests/codegen/cast-target-abi.rs +++ b/tests/codegen/cast-target-abi.rs @@ -77,15 +77,20 @@ extern "C" { // CHECK-LABEL: @call_twou16s #[no_mangle] pub unsafe fn call_twou16s() { - // aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]] - // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]] - // powerpc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i32]], align [[ABI_ALIGN:4]] - // sparc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]] + // aarch64: [[ABI_ALLOCA:%.+]] = alloca [8 x i8], align [[ABI_ALIGN:8]] + // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [8 x i8], align [[ABI_ALIGN:8]] + // powerpc64: [[ABI_ALLOCA:%.+]] = alloca [4 x i8], align [[ABI_ALIGN:4]] + // sparc64: [[ABI_ALLOCA:%.+]] = alloca [8 x i8], align [[ABI_ALIGN:8]] - // CHECK: [[RUST_ALLOCA:%.+]] = alloca %TwoU16s, align [[RUST_ALIGN:2]] + // CHECK: [[RUST_ALLOCA:%.+]] = alloca [4 x i8], align [[RUST_ALIGN:2]] // CHECK: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 4, i1 false) - // CHECK: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + + // aarch64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:i64]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // loongarch64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:i64]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // powerpc64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:i32]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // sparc64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:i64]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // CHECK: call void @receives_twou16s([[ABI_TYPE]] [[ABI_VALUE]]) let x = TwoU16s { a: 1, b: 2 }; receives_twou16s(x); @@ -96,23 +101,23 @@ pub unsafe fn call_twou16s() { pub unsafe fn return_twou16s() -> TwoU16s { // powerpc returns this struct via sret pointer, it doesn't use the cast ABI. - // powerpc64: [[RETVAL:%.+]] = alloca %TwoU16s, align 2 + // powerpc64: [[RETVAL:%.+]] = alloca [4 x i8], align 2 // powerpc64: call void @returns_twou16s(ptr {{.+}} [[RETVAL]]) // The other targets copy the cast ABI type to an alloca. - // aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]] - // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]] - // sparc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:i64]], align [[ABI_ALIGN:8]] + // aarch64: [[ABI_ALLOCA:%.+]] = alloca [8 x i8], align [[ABI_ALIGN:8]] + // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [8 x i8], align [[ABI_ALIGN:8]] + // sparc64: [[ABI_ALLOCA:%.+]] = alloca [8 x i8], align [[ABI_ALIGN:8]] - // aarch64: [[RUST_ALLOCA:%.+]] = alloca %TwoU16s, align [[RUST_ALIGN:2]] - // loongarch64: [[RUST_ALLOCA:%.+]] = alloca %TwoU16s, align [[RUST_ALIGN:2]] - // sparc64: [[RUST_ALLOCA:%.+]] = alloca %TwoU16s, align [[RUST_ALIGN:2]] + // aarch64: [[RUST_ALLOCA:%.+]] = alloca [4 x i8], align [[RUST_ALIGN:2]] + // loongarch64: [[RUST_ALLOCA:%.+]] = alloca [4 x i8], align [[RUST_ALIGN:2]] + // sparc64: [[RUST_ALLOCA:%.+]] = alloca [4 x i8], align [[RUST_ALIGN:2]] - // aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_twou16s() - // loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_twou16s() - // sparc64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_twou16s() + // aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:i64]] @returns_twou16s() + // loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:i64]] @returns_twou16s() + // sparc64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:i64]] @returns_twou16s() // aarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] // loongarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] @@ -127,12 +132,12 @@ pub unsafe fn return_twou16s() -> TwoU16s { // CHECK-LABEL: @call_fiveu16s #[no_mangle] pub unsafe fn call_fiveu16s() { - // CHECK: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]] + // CHECK: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] - // CHECK: [[RUST_ALLOCA:%.+]] = alloca %FiveU16s, align 2 + // CHECK: [[RUST_ALLOCA:%.+]] = alloca [10 x i8], align 2 // CHECK: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 10, i1 false) - // CHECK: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // CHECK: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:\[2 x i64\]]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] // CHECK: call void @receives_fiveu16s([[ABI_TYPE]] [[ABI_VALUE]]) let x = FiveU16s { a: 1, b: 2, c: 3, d: 4, e: 5 }; receives_fiveu16s(x); @@ -149,13 +154,13 @@ pub unsafe fn return_fiveu16s() -> FiveU16s { // The other targets copy the cast ABI type to the sret pointer. - // aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]] - // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]] - // sparc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]] + // aarch64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] + // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] + // sparc64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] - // aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_fiveu16s() - // loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_fiveu16s() - // sparc64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_fiveu16s() + // aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:\[2 x i64\]]] @returns_fiveu16s() + // loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:\[2 x i64\]]] @returns_fiveu16s() + // sparc64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:\[2 x i64\]]] @returns_fiveu16s() // aarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] // loongarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] @@ -170,15 +175,17 @@ pub unsafe fn return_fiveu16s() -> FiveU16s { // CHECK-LABEL: @call_doubledouble #[no_mangle] pub unsafe fn call_doubledouble() { - // aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x double\]]], align [[ABI_ALIGN:8]] - // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, double }]], align [[ABI_ALIGN:8]] - // powerpc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]] - // sparc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, double }]], align [[ABI_ALIGN:8]] + // CHECK: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] - // CHECK: [[RUST_ALLOCA:%.+]] = alloca %DoubleDouble, align [[RUST_ALIGN:8]] + // CHECK: [[RUST_ALLOCA:%.+]] = alloca [16 x i8], align [[RUST_ALIGN:8]] // CHECK: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 16, i1 false) - // CHECK: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + + // aarch64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:\[2 x double\]]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // loongarch64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:{ double, double }]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // powerpc64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:\[2 x i64\]]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // sparc64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:{ double, double }]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // CHECK: call void @receives_doubledouble([[ABI_TYPE]] [[ABI_VALUE]]) let x = DoubleDouble { f: 1., g: 2. }; receives_doubledouble(x); @@ -189,23 +196,23 @@ pub unsafe fn call_doubledouble() { pub unsafe fn return_doubledouble() -> DoubleDouble { // powerpc returns this struct via sret pointer, it doesn't use the cast ABI. - // powerpc64: [[RETVAL:%.+]] = alloca %DoubleDouble, align 8 + // powerpc64: [[RETVAL:%.+]] = alloca [16 x i8], align 8 // powerpc64: call void @returns_doubledouble(ptr {{.+}} [[RETVAL]]) // The other targets copy the cast ABI type to an alloca. - // aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x double\]]], align [[ABI_ALIGN:8]] - // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, double }]], align [[ABI_ALIGN:8]] - // sparc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, double }]], align [[ABI_ALIGN:8]] + // aarch64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] + // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] + // sparc64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] - // aarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleDouble, align [[RUST_ALIGN:8]] - // loongarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleDouble, align [[RUST_ALIGN:8]] - // sparc64: [[RUST_ALLOCA:%.+]] = alloca %DoubleDouble, align [[RUST_ALIGN:8]] + // aarch64: [[RUST_ALLOCA:%.+]] = alloca [16 x i8], align [[RUST_ALIGN:8]] + // loongarch64: [[RUST_ALLOCA:%.+]] = alloca [16 x i8], align [[RUST_ALIGN:8]] + // sparc64: [[RUST_ALLOCA:%.+]] = alloca [16 x i8], align [[RUST_ALIGN:8]] - // aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_doubledouble() - // loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_doubledouble() - // sparc64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_doubledouble() + // aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:\[2 x double\]]] @returns_doubledouble() + // loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:{ double, double }]] @returns_doubledouble() + // sparc64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:{ double, double }]] @returns_doubledouble() // aarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] // loongarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] @@ -224,21 +231,21 @@ pub unsafe fn return_doubledouble() -> DoubleDouble { // powerpc64-LABEL: @call_doublefloat #[no_mangle] pub unsafe fn call_doublefloat() { - // aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]] - // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, float }]], align [[ABI_ALIGN:8]] - // powerpc64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]] + // aarch64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] + // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [12 x i8], align [[ABI_ALIGN:8]] + // powerpc64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] - // aarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleFloat, align [[RUST_ALIGN:8]] - // loongarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleFloat, align [[RUST_ALIGN:8]] - // powerpc64: [[RUST_ALLOCA:%.+]] = alloca %DoubleFloat, align [[RUST_ALIGN:8]] + // aarch64: [[RUST_ALLOCA:%.+]] = alloca [16 x i8], align [[RUST_ALIGN:8]] + // loongarch64: [[RUST_ALLOCA:%.+]] = alloca [16 x i8], align [[RUST_ALIGN:8]] + // powerpc64: [[RUST_ALLOCA:%.+]] = alloca [16 x i8], align [[RUST_ALIGN:8]] // aarch64: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 16, i1 false) // loongarch64: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 12, i1 false) // powerpc64: call void @llvm.memcpy.{{.+}}(ptr align [[ABI_ALIGN]] [[ABI_ALLOCA]], ptr align [[RUST_ALIGN]] [[RUST_ALLOCA]], i64 16, i1 false) - // aarch64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] - // loongarch64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] - // powerpc64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // aarch64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:\[2 x i64\]]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // loongarch64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:{ double, float }]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] + // powerpc64: [[ABI_VALUE:%.+]] = load [[ABI_TYPE:\[2 x i64\]]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] // aarch64: call void @receives_doublefloat([[ABI_TYPE]] {{(inreg )?}}[[ABI_VALUE]]) // loongarch64: call void @receives_doublefloat([[ABI_TYPE]] {{(inreg )?}}[[ABI_VALUE]]) @@ -256,20 +263,20 @@ pub unsafe fn call_doublefloat() { pub unsafe fn return_doublefloat() -> DoubleFloat { // powerpc returns this struct via sret pointer, it doesn't use the cast ABI. - // powerpc64: [[RETVAL:%.+]] = alloca %DoubleFloat, align 8 + // powerpc64: [[RETVAL:%.+]] = alloca [16 x i8], align 8 // powerpc64: call void @returns_doublefloat(ptr {{.+}} [[RETVAL]]) // The other targets copy the cast ABI type to an alloca. - // aarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:\[2 x i64\]]], align [[ABI_ALIGN:8]] - // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [[ABI_TYPE:{ double, float }]], align [[ABI_ALIGN:8]] + // aarch64: [[ABI_ALLOCA:%.+]] = alloca [16 x i8], align [[ABI_ALIGN:8]] + // loongarch64: [[ABI_ALLOCA:%.+]] = alloca [12 x i8], align [[ABI_ALIGN:8]] - // aarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleFloat, align [[RUST_ALIGN:8]] - // loongarch64: [[RUST_ALLOCA:%.+]] = alloca %DoubleFloat, align [[RUST_ALIGN:8]] + // aarch64: [[RUST_ALLOCA:%.+]] = alloca [16 x i8], align [[RUST_ALIGN:8]] + // loongarch64: [[RUST_ALLOCA:%.+]] = alloca [16 x i8], align [[RUST_ALIGN:8]] - // aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_doublefloat() - // loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE]] @returns_doublefloat() + // aarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:\[2 x i64\]]] @returns_doublefloat() + // loongarch64: [[ABI_VALUE:%.+]] = call [[ABI_TYPE:{ double, float }]] @returns_doublefloat() // aarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] // loongarch64: store [[ABI_TYPE]] [[ABI_VALUE]], ptr [[ABI_ALLOCA]], align [[ABI_ALIGN]] diff --git a/tests/codegen/cffi/ffi-out-of-bounds-loads.rs b/tests/codegen/cffi/ffi-out-of-bounds-loads.rs index 8b32e902b3f..35bf00f8f3c 100644 --- a/tests/codegen/cffi/ffi-out-of-bounds-loads.rs +++ b/tests/codegen/cffi/ffi-out-of-bounds-loads.rs @@ -33,7 +33,7 @@ extern "C" { pub fn test() { let s = S { f1: 1, f2: 2, f3: 3 }; unsafe { - // CHECK: [[ALLOCA:%.+]] = alloca { i64, i32 }, align 8 + // CHECK: [[ALLOCA:%.+]] = alloca [12 x i8], align 8 // CHECK: [[LOAD:%.+]] = load { i64, i32 }, ptr [[ALLOCA]], align 8 // CHECK: call void @foo({ i64, i32 } [[LOAD]]) foo(s); diff --git a/tests/codegen/coroutine-debug-msvc.rs b/tests/codegen/coroutine-debug-msvc.rs index fb1b46fe497..e2296db1d59 100644 --- a/tests/codegen/coroutine-debug-msvc.rs +++ b/tests/codegen/coroutine-debug-msvc.rs @@ -11,7 +11,7 @@ use std::ops::Coroutine; fn coroutine_test() -> impl Coroutine<Yield = i32, Return = ()> { - || { + #[coroutine] || { yield 0; let s = String::from("foo"); yield 1; diff --git a/tests/codegen/coroutine-debug.rs b/tests/codegen/coroutine-debug.rs index 7eaee669559..914515f58b8 100644 --- a/tests/codegen/coroutine-debug.rs +++ b/tests/codegen/coroutine-debug.rs @@ -11,7 +11,7 @@ use std::ops::Coroutine; fn coroutine_test() -> impl Coroutine<Yield = i32, Return = ()> { - || { + #[coroutine] || { yield 0; let s = String::from("foo"); yield 1; diff --git a/tests/codegen/debug-fndef-size.rs b/tests/codegen/debug-fndef-size.rs index b3cc45614bc..5551d2cc39c 100644 --- a/tests/codegen/debug-fndef-size.rs +++ b/tests/codegen/debug-fndef-size.rs @@ -12,7 +12,7 @@ pub fn main() { foo(0, 1, i32::cmp); } -// CHECK: %compare.dbg.spill = alloca {}, align 1 +// CHECK: %compare.dbg.spill = alloca [0 x i8], align 1 // CHECK: call void @llvm.dbg.declare(metadata ptr %compare.dbg.spill, metadata ![[VAR:.*]], metadata !DIExpression()), !dbg !{{.*}} // CHECK: ![[TYPE:.*]] = !DIDerivedType(tag: DW_TAG_pointer_type, name: "fn(&i32, &i32) -> core::cmp::Ordering", baseType: !{{.*}}, align: 1, dwarfAddressSpace: {{.*}}) // CHECK: ![[VAR]] = !DILocalVariable(name: "compare", scope: !{{.*}}, file: !{{.*}}, line: {{.*}}, type: ![[TYPE]], align: 1) diff --git a/tests/codegen/emcripten-catch-unwind.rs b/tests/codegen/emcripten-catch-unwind.rs new file mode 100644 index 00000000000..7de7bd81b5c --- /dev/null +++ b/tests/codegen/emcripten-catch-unwind.rs @@ -0,0 +1,59 @@ +//@ compile-flags: -O --target wasm32-unknown-emscripten +//@ needs-llvm-components: webassembly + +// Emscripten has its own unique implementation of catch_unwind (in `codegen_emcc_try`), +// make sure it generates something reasonable. + +#![feature(no_core, lang_items, intrinsics, rustc_attrs)] +#![crate_type = "lib"] +#![no_std] +#![no_core] + +#[lang="sized"] trait Sized { } +#[lang="freeze"] trait Freeze { } +#[lang="copy"] trait Copy { } + +#[rustc_intrinsic] +fn size_of<T>() -> usize { loop {} } + +extern "rust-intrinsic" { + fn catch_unwind( + try_fn: fn(_: *mut u8), + data: *mut u8, + catch_fn: fn(_: *mut u8, _: *mut u8) + ) -> i32; +} + +// CHECK-LABEL: @ptr_size +#[no_mangle] +pub fn ptr_size() -> usize { + // CHECK: ret [[PTR_SIZE:.*]] + size_of::<*mut u8>() +} + +// CHECK-LABEL: @test_catch_unwind +#[no_mangle] +pub unsafe fn test_catch_unwind( + try_fn: fn(_: *mut u8), + data: *mut u8, + catch_fn: fn(_: *mut u8, _: *mut u8) +) -> i32 { + // CHECK: start: + // CHECK: [[ALLOCA:%.*]] = alloca + + // CHECK: catch.i: + // CHECK: [[LANDINGPAD:%.*]] = landingpad + // CHECK: [[EXCEPTION:%.*]] = extractvalue {{.*}} [[LANDINGPAD]], 0 + // CHECK: [[SELECTOR:%.*]] = extractvalue {{.*}} [[LANDINGPAD]], 1 + + // CHECK: [[IS_RUST_EXN:%.*]] = icmp eq {{.*}}[[SELECTOR]] + // CHECK: [[IS_RUST_EXN_I8:%.*]] = zext i1 [[IS_RUST_EXN]] to i8 + + // CHECK: store ptr [[EXCEPTION]], ptr [[ALLOCA]] + // CHECK: [[IS_RUST_SLOT:%.*]] = getelementptr inbounds i8, ptr [[ALLOCA]], [[PTR_SIZE]] + // CHECK: store i8 [[IS_RUST_EXN_I8]], ptr [[IS_RUST_SLOT]] + + // CHECK: call void %catch_fn(ptr %data, ptr nonnull [[ALLOCA]]) + + catch_unwind(try_fn, data, catch_fn) +} diff --git a/tests/codegen/enum/enum-match.rs b/tests/codegen/enum/enum-match.rs index 2e6dad8791b..f1c40f6695b 100644 --- a/tests/codegen/enum/enum-match.rs +++ b/tests/codegen/enum/enum-match.rs @@ -15,7 +15,7 @@ pub enum Enum0 { // CHECK-NEXT: start: // CHECK-NEXT: %1 = icmp eq i8 %0, 2 // CHECK-NEXT: %2 = and i8 %0, 1 -// CHECK-NEXT: %_0.0 = select i1 %1, i8 13, i8 %2 +// CHECK-NEXT: %{{.+}} = select i1 %1, i8 13, i8 %2 #[no_mangle] pub fn match0(e: Enum0) -> u8 { use Enum0::*; diff --git a/tests/codegen/i128-x86-align.rs b/tests/codegen/i128-x86-align.rs index b2e0c294c39..3e6ed2b8e16 100644 --- a/tests/codegen/i128-x86-align.rs +++ b/tests/codegen/i128-x86-align.rs @@ -6,7 +6,6 @@ // correctly. // CHECK: %ScalarPair = type { i32, [3 x i32], i128 } -// CHECK: %Struct = type { i32, i32, [2 x i32], i128 } #![feature(core_intrinsics)] @@ -43,7 +42,7 @@ pub fn store(x: &mut ScalarPair) { #[no_mangle] pub fn alloca() { // CHECK-LABEL: @alloca( - // CHECK: [[X:%.*]] = alloca %ScalarPair, align 16 + // CHECK: [[X:%.*]] = alloca [32 x i8], align 16 // CHECK: store i32 1, ptr %x, align 16 // CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, ptr %x, i64 16 // CHECK-NEXT: store i128 2, ptr [[GEP]], align 16 @@ -55,7 +54,7 @@ pub fn alloca() { pub fn load_volatile(x: &ScalarPair) -> ScalarPair { // CHECK-LABEL: @load_volatile( // CHECK-SAME: align 16 dereferenceable(32) %x - // CHECK: [[TMP:%.*]] = alloca %ScalarPair, align 16 + // CHECK: [[TMP:%.*]] = alloca [32 x i8], align 16 // CHECK: [[LOAD:%.*]] = load volatile %ScalarPair, ptr %x, align 16 // CHECK-NEXT: store %ScalarPair [[LOAD]], ptr [[TMP]], align 16 // CHECK-NEXT: [[A:%.*]] = load i32, ptr [[TMP]], align 16 @@ -67,7 +66,7 @@ pub fn load_volatile(x: &ScalarPair) -> ScalarPair { #[no_mangle] pub fn transmute(x: ScalarPair) -> (std::mem::MaybeUninit<i128>, i128) { // CHECK-LABEL: define { i128, i128 } @transmute(i32 noundef %x.0, i128 noundef %x.1) - // CHECK: [[TMP:%.*]] = alloca { i128, i128 }, align 16 + // CHECK: [[TMP:%.*]] = alloca [32 x i8], align 16 // CHECK-NEXT: store i32 %x.0, ptr [[TMP]], align 16 // CHECK-NEXT: [[GEP:%.*]] = getelementptr inbounds i8, ptr [[TMP]], i64 16 // CHECK-NEXT: store i128 %x.1, ptr [[GEP]], align 16 @@ -92,7 +91,7 @@ pub struct Struct { pub fn store_struct(x: &mut Struct) { // CHECK-LABEL: @store_struct( // CHECK-SAME: align 16 dereferenceable(32) %x - // CHECK: [[TMP:%.*]] = alloca %Struct, align 16 + // CHECK: [[TMP:%.*]] = alloca [32 x i8], align 16 // CHECK: store i32 1, ptr [[TMP]], align 16 // CHECK-NEXT: [[GEP1:%.*]] = getelementptr inbounds i8, ptr [[TMP]], i64 4 // CHECK-NEXT: store i32 2, ptr [[GEP1]], align 4 diff --git a/tests/codegen/intrinsics/transmute.rs b/tests/codegen/intrinsics/transmute.rs index f858562b5f1..76cdf7e191e 100644 --- a/tests/codegen/intrinsics/transmute.rs +++ b/tests/codegen/intrinsics/transmute.rs @@ -153,7 +153,7 @@ pub unsafe fn check_from_newtype(x: Scalar64) -> u64 { // CHECK-LABEL: @check_aggregate_to_bool( #[no_mangle] pub unsafe fn check_aggregate_to_bool(x: Aggregate8) -> bool { - // CHECK: %x = alloca %Aggregate8, align 1 + // CHECK: %x = alloca [1 x i8], align 1 // CHECK: %[[BYTE:.+]] = load i8, ptr %x, align 1 // CHECK: %[[BOOL:.+]] = trunc i8 %[[BYTE]] to i1 // CHECK: ret i1 %[[BOOL]] @@ -163,7 +163,7 @@ pub unsafe fn check_aggregate_to_bool(x: Aggregate8) -> bool { // CHECK-LABEL: @check_aggregate_from_bool( #[no_mangle] pub unsafe fn check_aggregate_from_bool(x: bool) -> Aggregate8 { - // CHECK: %_0 = alloca %Aggregate8, align 1 + // CHECK: %_0 = alloca [1 x i8], align 1 // CHECK: %[[BYTE:.+]] = zext i1 %x to i8 // CHECK: store i8 %[[BYTE]], ptr %_0, align 1 transmute(x) @@ -190,7 +190,7 @@ pub unsafe fn check_byte_from_bool(x: bool) -> u8 { // CHECK-LABEL: @check_to_pair( #[no_mangle] pub unsafe fn check_to_pair(x: u64) -> Option<i32> { - // CHECK: %_0 = alloca %"core::option::Option<i32>", align 4 + // CHECK: %_0 = alloca [8 x i8], align 4 // CHECK: store i64 %x, ptr %_0, align 4 transmute(x) } @@ -202,7 +202,7 @@ pub unsafe fn check_from_pair(x: Option<i32>) -> u64 { // immediates so we can write using the destination alloca's alignment. const { assert!(std::mem::align_of::<Option<i32>>() == 4) }; - // CHECK: %_0 = alloca i64, align 8 + // CHECK: %_0 = alloca [8 x i8], align 8 // CHECK: store i32 %x.0, ptr %_0, align 8 // CHECK: store i32 %x.1, ptr %0, align 4 // CHECK: %[[R:.+]] = load i64, ptr %_0, align 8 @@ -248,7 +248,7 @@ pub unsafe fn check_from_bytes(x: [u8; 4]) -> u32 { // CHECK-LABEL: @check_to_aggregate( #[no_mangle] pub unsafe fn check_to_aggregate(x: u64) -> Aggregate64 { - // CHECK: %_0 = alloca %Aggregate64, align 4 + // CHECK: %_0 = alloca [8 x i8], align 4 // CHECK: store i64 %x, ptr %_0, align 4 // CHECK: %0 = load i64, ptr %_0, align 4 // CHECK: ret i64 %0 @@ -258,7 +258,7 @@ pub unsafe fn check_to_aggregate(x: u64) -> Aggregate64 { // CHECK-LABEL: @check_from_aggregate( #[no_mangle] pub unsafe fn check_from_aggregate(x: Aggregate64) -> u64 { - // CHECK: %x = alloca %Aggregate64, align 4 + // CHECK: %x = alloca [8 x i8], align 4 // CHECK: %[[VAL:.+]] = load i64, ptr %x, align 4 // CHECK: ret i64 %[[VAL]] transmute(x) @@ -452,7 +452,7 @@ pub struct HighAlignScalar(u8); // CHECK-LABEL: @check_to_overalign( #[no_mangle] pub unsafe fn check_to_overalign(x: u64) -> HighAlignScalar { - // CHECK: %_0 = alloca %HighAlignScalar, align 8 + // CHECK: %_0 = alloca [8 x i8], align 8 // CHECK: store i64 %x, ptr %_0, align 8 // CHECK: %0 = load i64, ptr %_0, align 8 // CHECK: ret i64 %0 @@ -462,7 +462,7 @@ pub unsafe fn check_to_overalign(x: u64) -> HighAlignScalar { // CHECK-LABEL: @check_from_overalign( #[no_mangle] pub unsafe fn check_from_overalign(x: HighAlignScalar) -> u64 { - // CHECK: %x = alloca %HighAlignScalar, align 8 + // CHECK: %x = alloca [8 x i8], align 8 // CHECK: %[[VAL:.+]] = load i64, ptr %x, align 8 // CHECK: ret i64 %[[VAL]] transmute(x) diff --git a/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs b/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs index 0bd43dc50b2..56b4330b1a6 100644 --- a/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs +++ b/tests/codegen/issues/issue-105386-ub-in-debuginfo.rs @@ -15,7 +15,7 @@ pub fn outer_function(x: S, y: S) -> usize { // Check that we do not attempt to load from the spilled arg before it is assigned to // when generating debuginfo. // CHECK-LABEL: @outer_function -// CHECK: [[spill:%.*]] = alloca %"{closure@{{.*.rs}}:9:23: 9:25}" +// CHECK: [[spill:%.*]] = alloca // CHECK-NOT: [[ptr_tmp:%.*]] = getelementptr inbounds i8, ptr [[spill]] // CHECK-NOT: [[load:%.*]] = load ptr, ptr // CHECK: call void @llvm.lifetime.start{{.*}}({{.*}}, ptr [[spill]]) diff --git a/tests/codegen/issues/issue-111603.rs b/tests/codegen/issues/issue-111603.rs index 3f4c7e7d542..41bfb493ff5 100644 --- a/tests/codegen/issues/issue-111603.rs +++ b/tests/codegen/issues/issue-111603.rs @@ -11,7 +11,7 @@ pub fn new_from_array(x: u64) -> Arc<[u64]> { // Ensure that we only generate one alloca for the array. // CHECK: alloca - // CHECK-SAME: [1000 x i64] + // CHECK-SAME: [8000 x i8] // CHECK-NOT: alloca let array = [x; 1000]; Arc::new(array) diff --git a/tests/codegen/overaligned-constant.rs b/tests/codegen/overaligned-constant.rs index 9e5b69ff267..7cd8d19c211 100644 --- a/tests/codegen/overaligned-constant.rs +++ b/tests/codegen/overaligned-constant.rs @@ -2,7 +2,7 @@ // do not ICE during codegen, and that the LLVM constant has the higher alignment. // //@ compile-flags: -Zmir-opt-level=0 -Zmir-enable-passes=+GVN -//@ compile-flags: -Cno-prepopulate-passes +//@ compile-flags: -Cno-prepopulate-passes --crate-type=lib //@ only-64bit struct S(i32); @@ -12,9 +12,10 @@ struct SmallStruct(f32, Option<S>, &'static [f32]); // CHECK: @0 = private unnamed_addr constant // CHECK-SAME: , align 8 -fn main() { - // CHECK-LABEL: @_ZN20overaligned_constant4main - // CHECK: [[full:%_.*]] = alloca %SmallStruct, align 8 +#[no_mangle] +pub fn overaligned_constant() { + // CHECK-LABEL: @overaligned_constant + // CHECK: [[full:%_.*]] = alloca [32 x i8], align 8 // CHECK: call void @llvm.memcpy.p0.p0.i64(ptr align 8 [[full]], ptr align 8 @0, i64 32, i1 false) // CHECK: %b.0 = load i32, ptr @0, align 4 // CHECK: %b.1 = load i32, ptr getelementptr inbounds ({{.*}}), align 4 diff --git a/tests/codegen/packed.rs b/tests/codegen/packed.rs index 764476b0aa1..5142df9c488 100644 --- a/tests/codegen/packed.rs +++ b/tests/codegen/packed.rs @@ -51,7 +51,7 @@ pub struct BigPacked2 { // CHECK-LABEL: @call_pkd1 #[no_mangle] pub fn call_pkd1(f: fn() -> Array) -> BigPacked1 { -// CHECK: [[ALLOCA:%[_a-z0-9]+]] = alloca %Array +// CHECK: [[ALLOCA:%[_a-z0-9]+]] = alloca [32 x i8] // CHECK: call void %{{.*}}(ptr noalias nocapture noundef sret{{.*}} dereferenceable(32) [[ALLOCA]]) // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 %{{.*}}, ptr align 4 %{{.*}}, i{{[0-9]+}} 32, i1 false) // check that calls whose destination is a field of a packed struct @@ -63,7 +63,7 @@ pub fn call_pkd1(f: fn() -> Array) -> BigPacked1 { // CHECK-LABEL: @call_pkd2 #[no_mangle] pub fn call_pkd2(f: fn() -> Array) -> BigPacked2 { -// CHECK: [[ALLOCA:%[_a-z0-9]+]] = alloca %Array +// CHECK: [[ALLOCA:%[_a-z0-9]+]] = alloca [32 x i8] // CHECK: call void %{{.*}}(ptr noalias nocapture noundef sret{{.*}} dereferenceable(32) [[ALLOCA]]) // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 2 %{{.*}}, ptr align 4 %{{.*}}, i{{[0-9]+}} 32, i1 false) // check that calls whose destination is a field of a packed struct diff --git a/tests/codegen/personality_lifetimes.rs b/tests/codegen/personality_lifetimes.rs index f2ab9c3bb82..0ef4aa424d8 100644 --- a/tests/codegen/personality_lifetimes.rs +++ b/tests/codegen/personality_lifetimes.rs @@ -23,7 +23,7 @@ pub fn test() { let _s = S; // Check that the personality slot alloca gets a lifetime start in each cleanup block, not just // in the first one. - // CHECK: [[SLOT:%[0-9]+]] = alloca { ptr, i32{{.*}} } + // CHECK: [[SLOT:%[0-9]+]] = alloca [{{[0-9]+}} x i8] // CHECK-LABEL: cleanup: // CHECK: call void @llvm.lifetime.start.{{.*}}({{.*}}) // CHECK-LABEL: cleanup1: diff --git a/tests/codegen/sroa-fragment-debuginfo.rs b/tests/codegen/sroa-fragment-debuginfo.rs index d8c2d2c6f9e..32786d2a76a 100644 --- a/tests/codegen/sroa-fragment-debuginfo.rs +++ b/tests/codegen/sroa-fragment-debuginfo.rs @@ -14,9 +14,9 @@ pub struct ExtraSlice<'input> { #[no_mangle] pub fn extra(s: &[u8]) { // CHECK: void @extra( -// CHECK: %slice.dbg.spill1 = alloca i32, -// CHECK: %slice.dbg.spill = alloca { ptr, i64 }, -// CHECK: %s.dbg.spill = alloca { ptr, i64 }, +// CHECK: %slice.dbg.spill1 = alloca [4 x i8], +// CHECK: %slice.dbg.spill = alloca [16 x i8], +// CHECK: %s.dbg.spill = alloca [16 x i8], // CHECK: call void @llvm.dbg.declare(metadata ptr %s.dbg.spill, metadata ![[S_EXTRA:.*]], metadata !DIExpression()), // CHECK: call void @llvm.dbg.declare(metadata ptr %slice.dbg.spill, metadata ![[SLICE_EXTRA:.*]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 128)), // CHECK: call void @llvm.dbg.declare(metadata ptr %slice.dbg.spill1, metadata ![[SLICE_EXTRA]], metadata !DIExpression(DW_OP_LLVM_fragment, 128, 32)), diff --git a/tests/codegen/stores.rs b/tests/codegen/stores.rs index 3fda5aa47ea..86ec52fa101 100644 --- a/tests/codegen/stores.rs +++ b/tests/codegen/stores.rs @@ -15,8 +15,8 @@ pub struct Bytes { // dependent alignment #[no_mangle] pub fn small_array_alignment(x: &mut [i8; 4], y: [i8; 4]) { -// CHECK: [[TMP:%.+]] = alloca i32 -// CHECK: %y = alloca [4 x i8] +// CHECK: [[TMP:%.+]] = alloca [4 x i8], align 4 +// CHECK: %y = alloca [4 x i8], align 1 // CHECK: store i32 %0, ptr [[TMP]] // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 {{.+}}, ptr align 4 {{.+}}, i{{[0-9]+}} 4, i1 false) *x = y; @@ -27,8 +27,8 @@ pub fn small_array_alignment(x: &mut [i8; 4], y: [i8; 4]) { // dependent alignment #[no_mangle] pub fn small_struct_alignment(x: &mut Bytes, y: Bytes) { -// CHECK: [[TMP:%.+]] = alloca i32 -// CHECK: %y = alloca %Bytes +// CHECK: [[TMP:%.+]] = alloca [4 x i8], align 4 +// CHECK: %y = alloca [4 x i8], align 1 // CHECK: store i32 %0, ptr [[TMP]] // CHECK: call void @llvm.memcpy.{{.*}}(ptr align 1 {{.+}}, ptr align 4 {{.+}}, i{{[0-9]+}} 4, i1 false) *x = y; diff --git a/tests/codegen/swap-large-types.rs b/tests/codegen/swap-large-types.rs index b182f3ed947..b976f6fe207 100644 --- a/tests/codegen/swap-large-types.rs +++ b/tests/codegen/swap-large-types.rs @@ -15,7 +15,7 @@ type KeccakBuffer = [[u64; 5]; 5]; // CHECK-LABEL: @swap_basic #[no_mangle] pub fn swap_basic(x: &mut KeccakBuffer, y: &mut KeccakBuffer) { -// CHECK: alloca [5 x [5 x i64]] +// CHECK: alloca [200 x i8] // SAFETY: exclusive references are always valid to read/write, // are non-overlapping, and nothing here panics so it's drop-safe. diff --git a/tests/codegen/swap-small-types.rs b/tests/codegen/swap-small-types.rs index 4dcfed2a53a..1a48c63d813 100644 --- a/tests/codegen/swap-small-types.rs +++ b/tests/codegen/swap-small-types.rs @@ -12,7 +12,7 @@ type RGB48 = [u16; 3]; pub fn swap_rgb48_manually(x: &mut RGB48, y: &mut RGB48) { // FIXME: See #115212 for why this has an alloca again - // CHECK: alloca [3 x i16], align 2 + // CHECK: alloca [6 x i8], align 2 // CHECK: call void @llvm.memcpy.p0.p0.i64({{.+}}, i64 6, i1 false) // CHECK: call void @llvm.memcpy.p0.p0.i64({{.+}}, i64 6, i1 false) // CHECK: call void @llvm.memcpy.p0.p0.i64({{.+}}, i64 6, i1 false) diff --git a/tests/coverage/coroutine.cov-map b/tests/coverage/coroutine.cov-map index ef9faab590b..255708d365e 100644 --- a/tests/coverage/coroutine.cov-map +++ b/tests/coverage/coroutine.cov-map @@ -43,11 +43,11 @@ Number of file 0 mappings: 9 = ((c4 - c5) - c6) Function name: coroutine::main::{closure#0} -Raw bytes (14): 0x[01, 01, 00, 02, 01, 15, 1c, 01, 1f, 05, 02, 10, 01, 06] +Raw bytes (14): 0x[01, 01, 00, 02, 01, 15, 29, 01, 1f, 05, 02, 10, 01, 06] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 2 -- Code(Counter(0)) at (prev + 21, 28) to (start + 1, 31) +- Code(Counter(0)) at (prev + 21, 41) to (start + 1, 31) - Code(Counter(1)) at (prev + 2, 16) to (start + 1, 6) diff --git a/tests/coverage/coroutine.coverage b/tests/coverage/coroutine.coverage index bd3d4e46880..68b52d19831 100644 --- a/tests/coverage/coroutine.coverage +++ b/tests/coverage/coroutine.coverage @@ -1,4 +1,4 @@ - LL| |#![feature(coroutines, coroutine_trait)] + LL| |#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] LL| | LL| |use std::ops::{Coroutine, CoroutineState}; LL| |use std::pin::Pin; @@ -18,7 +18,7 @@ LL| | LL| 1|fn main() { LL| 1| let is_true = std::env::args().len() == 1; - LL| 1| let mut coroutine = || { + LL| 1| let mut coroutine = #[coroutine] || { LL| 1| yield get_u32(is_true); LL| 1| return "foo"; LL| 1| }; diff --git a/tests/coverage/coroutine.rs b/tests/coverage/coroutine.rs index 2aa689466fc..7f72e0d8bd4 100644 --- a/tests/coverage/coroutine.rs +++ b/tests/coverage/coroutine.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; @@ -18,7 +18,7 @@ fn get_u32(val: bool) -> Result<u32, String> { fn main() { let is_true = std::env::args().len() == 1; - let mut coroutine = || { + let mut coroutine = #[coroutine] || { yield get_u32(is_true); return "foo"; }; diff --git a/tests/coverage/yield.cov-map b/tests/coverage/yield.cov-map index 9cc67dfe88a..0347aaaa367 100644 --- a/tests/coverage/yield.cov-map +++ b/tests/coverage/yield.cov-map @@ -41,21 +41,21 @@ Number of file 0 mappings: 16 - Code(Counter(11)) at (prev + 2, 1) to (start + 0, 2) Function name: yield::main::{closure#0} -Raw bytes (14): 0x[01, 01, 00, 02, 01, 08, 1c, 01, 10, 05, 02, 10, 01, 06] +Raw bytes (14): 0x[01, 01, 00, 02, 01, 08, 29, 01, 10, 05, 02, 10, 01, 06] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 2 -- Code(Counter(0)) at (prev + 8, 28) to (start + 1, 16) +- Code(Counter(0)) at (prev + 8, 41) to (start + 1, 16) - Code(Counter(1)) at (prev + 2, 16) to (start + 1, 6) Function name: yield::main::{closure#1} -Raw bytes (24): 0x[01, 01, 00, 04, 01, 16, 1c, 01, 10, 05, 02, 09, 00, 10, 09, 01, 09, 00, 10, 0d, 01, 10, 01, 06] +Raw bytes (24): 0x[01, 01, 00, 04, 01, 16, 29, 01, 10, 05, 02, 09, 00, 10, 09, 01, 09, 00, 10, 0d, 01, 10, 01, 06] Number of files: 1 - file 0 => global file 1 Number of expressions: 0 Number of file 0 mappings: 4 -- Code(Counter(0)) at (prev + 22, 28) to (start + 1, 16) +- Code(Counter(0)) at (prev + 22, 41) to (start + 1, 16) - Code(Counter(1)) at (prev + 2, 9) to (start + 0, 16) - Code(Counter(2)) at (prev + 1, 9) to (start + 0, 16) - Code(Counter(3)) at (prev + 1, 16) to (start + 1, 6) diff --git a/tests/coverage/yield.coverage b/tests/coverage/yield.coverage index d7e455f211e..e2fc9196d24 100644 --- a/tests/coverage/yield.coverage +++ b/tests/coverage/yield.coverage @@ -1,11 +1,11 @@ - LL| |#![feature(coroutines, coroutine_trait)] + LL| |#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] LL| |#![allow(unused_assignments)] LL| | LL| |use std::ops::{Coroutine, CoroutineState}; LL| |use std::pin::Pin; LL| | LL| 1|fn main() { - LL| 1| let mut coroutine = || { + LL| 1| let mut coroutine = #[coroutine] || { LL| 1| yield 1; LL| 1| return "foo"; LL| 1| }; @@ -19,7 +19,7 @@ LL| 0| _ => panic!("unexpected value from resume"), LL| | } LL| | - LL| 1| let mut coroutine = || { + LL| 1| let mut coroutine = #[coroutine] || { LL| 1| yield 1; LL| 1| yield 2; LL| 0| yield 3; diff --git a/tests/coverage/yield.rs b/tests/coverage/yield.rs index b7e2ba31b59..64ea2706604 100644 --- a/tests/coverage/yield.rs +++ b/tests/coverage/yield.rs @@ -1,11 +1,11 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] #![allow(unused_assignments)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; fn main() { - let mut coroutine = || { + let mut coroutine = #[coroutine] || { yield 1; return "foo"; }; @@ -19,7 +19,7 @@ fn main() { _ => panic!("unexpected value from resume"), } - let mut coroutine = || { + let mut coroutine = #[coroutine] || { yield 1; yield 2; yield 3; diff --git a/tests/debuginfo/coroutine-locals.rs b/tests/debuginfo/coroutine-locals.rs index 54b5cd577c8..c019998040b 100644 --- a/tests/debuginfo/coroutine-locals.rs +++ b/tests/debuginfo/coroutine-locals.rs @@ -46,7 +46,7 @@ // lldb-command:v c // lldb-check:(int) c = 6 -#![feature(omit_gdb_pretty_printer_section, coroutines, coroutine_trait)] +#![feature(omit_gdb_pretty_printer_section, coroutines, coroutine_trait, stmt_expr_attributes)] #![omit_gdb_pretty_printer_section] use std::ops::Coroutine; @@ -54,7 +54,8 @@ use std::pin::Pin; fn main() { let mut a = 5; - let mut b = || { + let mut b = #[coroutine] + || { let c = 6; // Live across multiple yield points let d = 7; // Live across only one yield point @@ -76,4 +77,6 @@ fn main() { _zzz(); // #break } -fn _zzz() {()} +fn _zzz() { + () +} diff --git a/tests/debuginfo/coroutine-objects.rs b/tests/debuginfo/coroutine-objects.rs index 9e1bd5d62e7..e13f20455a8 100644 --- a/tests/debuginfo/coroutine-objects.rs +++ b/tests/debuginfo/coroutine-objects.rs @@ -63,7 +63,7 @@ // cdb-check: b : Returned [Type: enum2$<coroutine_objects::main::coroutine_env$0>] // cdb-check: [+0x[...]] _ref__a : 0x[...] : 6 [Type: int *] -#![feature(omit_gdb_pretty_printer_section, coroutines, coroutine_trait)] +#![feature(omit_gdb_pretty_printer_section, coroutines, coroutine_trait, stmt_expr_attributes)] #![omit_gdb_pretty_printer_section] use std::ops::Coroutine; @@ -71,7 +71,8 @@ use std::pin::Pin; fn main() { let mut a = 5; - let mut b = || { + let mut b = #[coroutine] + || { let mut c = 6; let mut d = 7; diff --git a/tests/debuginfo/function-names.rs b/tests/debuginfo/function-names.rs index 1e4be432445..2b0c2593676 100644 --- a/tests/debuginfo/function-names.rs +++ b/tests/debuginfo/function-names.rs @@ -83,7 +83,7 @@ #![allow(unused_variables)] #![feature(omit_gdb_pretty_printer_section)] #![omit_gdb_pretty_printer_section] -#![feature(adt_const_params, coroutines, coroutine_trait)] +#![feature(adt_const_params, coroutines, coroutine_trait, stmt_expr_attributes)] #![allow(incomplete_features)] use std::ops::Coroutine; @@ -111,7 +111,8 @@ fn main() { closure(); // Coroutine - let mut coroutine = || { + let mut coroutine = #[coroutine] + || { yield; return; }; diff --git a/tests/debuginfo/issue-57822.rs b/tests/debuginfo/issue-57822.rs index 93e1a2558f6..995779a6a9c 100644 --- a/tests/debuginfo/issue-57822.rs +++ b/tests/debuginfo/issue-57822.rs @@ -26,7 +26,7 @@ // lldb-command:v b // lldbg-check:(issue_57822::main::{coroutine_env#3}) b = -#![feature(omit_gdb_pretty_printer_section, coroutines, coroutine_trait)] +#![feature(omit_gdb_pretty_printer_section, coroutines, coroutine_trait, stmt_expr_attributes)] #![omit_gdb_pretty_printer_section] use std::ops::Coroutine; @@ -38,11 +38,13 @@ fn main() { let g = move || f(); let mut y = 2; - let mut a = move || { + let mut a = #[coroutine] + move || { y += 1; yield; }; - let mut b = move || { + let mut b = #[coroutine] + move || { Pin::new(&mut a).resume(()); yield; }; diff --git a/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-abort.mir b/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-abort.mir index 7214b01c601..7e033916fd3 100644 --- a/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-abort.mir +++ b/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-abort.mir @@ -1,6 +1,6 @@ // MIR for `main::{closure#0}` 0 coroutine_drop -fn main::{closure#0}(_1: *mut {coroutine@$DIR/coroutine_drop_cleanup.rs:11:15: 11:17}) -> () { +fn main::{closure#0}(_1: *mut {coroutine@$DIR/coroutine_drop_cleanup.rs:12:5: 12:7}) -> () { let mut _0: (); let mut _2: (); let _3: std::string::String; diff --git a/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-unwind.mir b/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-unwind.mir index 00769a493b5..613ef2909b5 100644 --- a/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-unwind.mir +++ b/tests/mir-opt/coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.panic-unwind.mir @@ -1,6 +1,6 @@ // MIR for `main::{closure#0}` 0 coroutine_drop -fn main::{closure#0}(_1: *mut {coroutine@$DIR/coroutine_drop_cleanup.rs:11:15: 11:17}) -> () { +fn main::{closure#0}(_1: *mut {coroutine@$DIR/coroutine_drop_cleanup.rs:12:5: 12:7}) -> () { let mut _0: (); let mut _2: (); let _3: std::string::String; diff --git a/tests/mir-opt/coroutine_drop_cleanup.rs b/tests/mir-opt/coroutine_drop_cleanup.rs index 69984c737fe..33fdd2dd0d9 100644 --- a/tests/mir-opt/coroutine_drop_cleanup.rs +++ b/tests/mir-opt/coroutine_drop_cleanup.rs @@ -1,5 +1,5 @@ // skip-filecheck -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] // EMIT_MIR_FOR_EACH_PANIC_STRATEGY @@ -8,7 +8,8 @@ // EMIT_MIR coroutine_drop_cleanup.main-{closure#0}.coroutine_drop.0.mir fn main() { - let gen = || { + let gen = #[coroutine] + || { let _s = String::new(); yield; }; diff --git a/tests/mir-opt/coroutine_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-abort.mir b/tests/mir-opt/coroutine_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-abort.mir index 8369a3e60dd..4731aed335d 100644 --- a/tests/mir-opt/coroutine_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-abort.mir +++ b/tests/mir-opt/coroutine_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-abort.mir @@ -1,6 +1,6 @@ // MIR for `main::{closure#0}` before StateTransform -fn main::{closure#0}(_1: {coroutine@$DIR/coroutine_storage_dead_unwind.rs:23:16: 23:18}, _2: ()) -> () +fn main::{closure#0}(_1: {coroutine@$DIR/coroutine_storage_dead_unwind.rs:24:5: 24:7}, _2: ()) -> () yields () { let mut _0: (); diff --git a/tests/mir-opt/coroutine_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-unwind.mir b/tests/mir-opt/coroutine_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-unwind.mir index 1773db1abff..14e1782b860 100644 --- a/tests/mir-opt/coroutine_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-unwind.mir +++ b/tests/mir-opt/coroutine_storage_dead_unwind.main-{closure#0}.StateTransform.before.panic-unwind.mir @@ -1,6 +1,6 @@ // MIR for `main::{closure#0}` before StateTransform -fn main::{closure#0}(_1: {coroutine@$DIR/coroutine_storage_dead_unwind.rs:23:16: 23:18}, _2: ()) -> () +fn main::{closure#0}(_1: {coroutine@$DIR/coroutine_storage_dead_unwind.rs:24:5: 24:7}, _2: ()) -> () yields () { let mut _0: (); diff --git a/tests/mir-opt/coroutine_storage_dead_unwind.rs b/tests/mir-opt/coroutine_storage_dead_unwind.rs index 253be1ff698..ce9bad483af 100644 --- a/tests/mir-opt/coroutine_storage_dead_unwind.rs +++ b/tests/mir-opt/coroutine_storage_dead_unwind.rs @@ -6,7 +6,7 @@ // Basic block and local names can safely change, but the StorageDead statements // should not go away. -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] struct Foo(i32); @@ -20,7 +20,8 @@ fn take<T>(_x: T) {} // EMIT_MIR coroutine_storage_dead_unwind.main-{closure#0}.StateTransform.before.mir fn main() { - let _gen = || { + let _gen = #[coroutine] + || { let a = Foo(5); let b = Bar(6); yield; diff --git a/tests/mir-opt/coroutine_tiny.main-{closure#0}.coroutine_resume.0.mir b/tests/mir-opt/coroutine_tiny.main-{closure#0}.coroutine_resume.0.mir index 165aa3a05cb..f8b3f68d21e 100644 --- a/tests/mir-opt/coroutine_tiny.main-{closure#0}.coroutine_resume.0.mir +++ b/tests/mir-opt/coroutine_tiny.main-{closure#0}.coroutine_resume.0.mir @@ -4,7 +4,7 @@ _0: CoroutineSavedTy { ty: HasDrop, source_info: SourceInfo { - span: $DIR/coroutine_tiny.rs:21:13: 21:15 (#0), + span: $DIR/coroutine_tiny.rs:22:13: 22:15 (#0), scope: scope[0], }, ignore_for_traits: false, @@ -21,7 +21,7 @@ }, } */ -fn main::{closure#0}(_1: Pin<&mut {coroutine@$DIR/coroutine_tiny.rs:20:16: 20:24}>, _2: u8) -> CoroutineState<(), ()> { +fn main::{closure#0}(_1: Pin<&mut {coroutine@$DIR/coroutine_tiny.rs:21:5: 21:13}>, _2: u8) -> CoroutineState<(), ()> { debug _x => _10; let mut _0: std::ops::CoroutineState<(), ()>; let _3: HasDrop; @@ -34,18 +34,18 @@ fn main::{closure#0}(_1: Pin<&mut {coroutine@$DIR/coroutine_tiny.rs:20:16: 20:24 let _10: u8; let mut _11: u32; scope 1 { - debug _d => (((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:20:16: 20:24})) as variant#3).0: HasDrop); + debug _d => (((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:21:5: 21:13})) as variant#3).0: HasDrop); } bb0: { - _11 = discriminant((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:20:16: 20:24}))); + _11 = discriminant((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:21:5: 21:13}))); switchInt(move _11) -> [0: bb1, 3: bb5, otherwise: bb6]; } bb1: { _10 = move _2; nop; - (((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:20:16: 20:24})) as variant#3).0: HasDrop) = HasDrop; + (((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:21:5: 21:13})) as variant#3).0: HasDrop) = HasDrop; StorageLive(_4); goto -> bb2; } @@ -58,7 +58,7 @@ fn main::{closure#0}(_1: Pin<&mut {coroutine@$DIR/coroutine_tiny.rs:20:16: 20:24 StorageDead(_4); StorageDead(_6); StorageDead(_7); - discriminant((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:20:16: 20:24}))) = 3; + discriminant((*(_1.0: &mut {coroutine@$DIR/coroutine_tiny.rs:21:5: 21:13}))) = 3; return; } diff --git a/tests/mir-opt/coroutine_tiny.rs b/tests/mir-opt/coroutine_tiny.rs index 9728425f232..81e9940541b 100644 --- a/tests/mir-opt/coroutine_tiny.rs +++ b/tests/mir-opt/coroutine_tiny.rs @@ -5,7 +5,7 @@ //@ compile-flags: -C panic=abort //@ no-prefer-dynamic -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] struct HasDrop; @@ -17,7 +17,8 @@ fn callee() {} // EMIT_MIR coroutine_tiny.main-{closure#0}.coroutine_resume.0.mir fn main() { - let _gen = |_x: u8| { + let _gen = #[coroutine] + |_x: u8| { let _d = HasDrop; loop { yield; diff --git a/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-abort.diff b/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-abort.diff index 859082c3111..07031a298bc 100644 --- a/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-abort.diff +++ b/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-abort.diff @@ -4,24 +4,24 @@ fn main() -> () { let mut _0: (); let _1: std::ops::CoroutineState<i32, bool>; - let mut _2: std::pin::Pin<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>; - let mut _3: &mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}; - let mut _4: {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}; + let mut _2: std::pin::Pin<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>; + let mut _3: &mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}; + let mut _4: {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}; + let mut _5: bool; scope 1 { debug _r => _1; } + scope 2 (inlined g) { + } -+ scope 3 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new) { ++ scope 3 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>::new) { + debug pointer => _3; -+ scope 4 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new_unchecked) { ++ scope 4 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>::new_unchecked) { + debug pointer => _3; + } + } + scope 5 (inlined g::{closure#0}) { + debug a => _5; -+ let mut _6: &mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}; ++ let mut _6: &mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}; + let mut _7: u32; + let mut _8: i32; + } @@ -32,22 +32,22 @@ StorageLive(_3); StorageLive(_4); - _4 = g() -> [return: bb1, unwind unreachable]; -+ _4 = {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8 (#0)}; ++ _4 = {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8 (#0)}; + _3 = &mut _4; -+ _2 = Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}> { __pointer: _3 }; ++ _2 = Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}> { __pointer: _3 }; + StorageDead(_3); + StorageLive(_5); + _5 = const false; + StorageLive(_6); + StorageLive(_7); -+ _6 = (_2.0: &mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}); ++ _6 = (_2.0: &mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}); + _7 = discriminant((*_6)); + switchInt(move _7) -> [0: bb3, 1: bb7, 3: bb8, otherwise: bb9]; } bb1: { - _3 = &mut _4; -- _2 = Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new(move _3) -> [return: bb2, unwind unreachable]; +- _2 = Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>::new(move _3) -> [return: bb2, unwind unreachable]; + StorageDead(_4); + _0 = const (); + StorageDead(_1); @@ -56,7 +56,7 @@ bb2: { - StorageDead(_3); -- _1 = <{coroutine@$DIR/inline_coroutine.rs:19:5: 19:8} as Coroutine<bool>>::resume(move _2, const false) -> [return: bb3, unwind unreachable]; +- _1 = <{coroutine@$DIR/inline_coroutine.rs:20:5: 20:8} as Coroutine<bool>>::resume(move _2, const false) -> [return: bb3, unwind unreachable]; + StorageDead(_7); + StorageDead(_6); + StorageDead(_5); diff --git a/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-unwind.diff b/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-unwind.diff index 44b06c34972..ab6c62b0baf 100644 --- a/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-unwind.diff +++ b/tests/mir-opt/inline/inline_coroutine.main.Inline.panic-unwind.diff @@ -4,24 +4,24 @@ fn main() -> () { let mut _0: (); let _1: std::ops::CoroutineState<i32, bool>; - let mut _2: std::pin::Pin<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>; - let mut _3: &mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}; - let mut _4: {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}; + let mut _2: std::pin::Pin<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>; + let mut _3: &mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}; + let mut _4: {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}; + let mut _5: bool; scope 1 { debug _r => _1; } + scope 2 (inlined g) { + } -+ scope 3 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new) { ++ scope 3 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>::new) { + debug pointer => _3; -+ scope 4 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new_unchecked) { ++ scope 4 (inlined Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>::new_unchecked) { + debug pointer => _3; + } + } + scope 5 (inlined g::{closure#0}) { + debug a => _5; -+ let mut _6: &mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}; ++ let mut _6: &mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}; + let mut _7: u32; + let mut _8: i32; + } @@ -32,22 +32,22 @@ StorageLive(_3); StorageLive(_4); - _4 = g() -> [return: bb1, unwind continue]; -+ _4 = {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8 (#0)}; ++ _4 = {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8 (#0)}; + _3 = &mut _4; -+ _2 = Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}> { __pointer: _3 }; ++ _2 = Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}> { __pointer: _3 }; + StorageDead(_3); + StorageLive(_5); + _5 = const false; + StorageLive(_6); + StorageLive(_7); -+ _6 = (_2.0: &mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}); ++ _6 = (_2.0: &mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}); + _7 = discriminant((*_6)); + switchInt(move _7) -> [0: bb5, 1: bb9, 3: bb10, otherwise: bb11]; } bb1: { - _3 = &mut _4; -- _2 = Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:19:5: 19:8}>::new(move _3) -> [return: bb2, unwind: bb5]; +- _2 = Pin::<&mut {coroutine@$DIR/inline_coroutine.rs:20:5: 20:8}>::new(move _3) -> [return: bb2, unwind: bb5]; + StorageDead(_4); + _0 = const (); + StorageDead(_1); @@ -56,7 +56,7 @@ - bb2: { - StorageDead(_3); -- _1 = <{coroutine@$DIR/inline_coroutine.rs:19:5: 19:8} as Coroutine<bool>>::resume(move _2, const false) -> [return: bb3, unwind: bb5]; +- _1 = <{coroutine@$DIR/inline_coroutine.rs:20:5: 20:8} as Coroutine<bool>>::resume(move _2, const false) -> [return: bb3, unwind: bb5]; + bb2 (cleanup): { + drop(_4) -> [return: bb3, unwind terminate(cleanup)]; } diff --git a/tests/mir-opt/inline/inline_coroutine.rs b/tests/mir-opt/inline/inline_coroutine.rs index 180f9d4a6fd..07f8fb20f7e 100644 --- a/tests/mir-opt/inline/inline_coroutine.rs +++ b/tests/mir-opt/inline/inline_coroutine.rs @@ -16,5 +16,6 @@ fn main() { #[inline] pub fn g() -> impl Coroutine<bool> { #[inline] - |a| { yield if a { 7 } else { 13 } } + #[coroutine] + |a| yield if a { 7 } else { 13 } } diff --git a/tests/ui/async-await/async-outside-of-await-issue-121096.stderr b/tests/ui/async-await/async-outside-of-await-issue-121096.stderr index b0677a83864..d7caf6b3c0d 100644 --- a/tests/ui/async-await/async-outside-of-await-issue-121096.stderr +++ b/tests/ui/async-await/async-outside-of-await-issue-121096.stderr @@ -2,7 +2,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/async-outside-of-await-issue-121096.rs:7:7 | LL | fn main() { - | ---- this is not `async` + | --------- this is not `async` ... LL | }.await | ^^^^^ only allowed inside `async` functions and blocks diff --git a/tests/ui/async-await/await-keyword/incorrect-syntax-suggestions.stderr b/tests/ui/async-await/await-keyword/incorrect-syntax-suggestions.stderr index 928eb0b821d..a98bb0764c0 100644 --- a/tests/ui/async-await/await-keyword/incorrect-syntax-suggestions.stderr +++ b/tests/ui/async-await/await-keyword/incorrect-syntax-suggestions.stderr @@ -141,7 +141,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/incorrect-syntax-suggestions.rs:68:19 | LL | fn foo13() -> Result<(), ()> { - | ----- this is not `async` + | ---------------------------- this is not `async` LL | let _ = bar().await(); | ^^^^^ only allowed inside `async` functions and blocks @@ -149,7 +149,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/incorrect-syntax-suggestions.rs:73:19 | LL | fn foo14() -> Result<(), ()> { - | ----- this is not `async` + | ---------------------------- this is not `async` LL | let _ = bar().await()?; | ^^^^^ only allowed inside `async` functions and blocks @@ -157,7 +157,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/incorrect-syntax-suggestions.rs:78:19 | LL | fn foo15() -> Result<(), ()> { - | ----- this is not `async` + | ---------------------------- this is not `async` LL | let _ = bar().await; | ^^^^^ only allowed inside `async` functions and blocks @@ -165,7 +165,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/incorrect-syntax-suggestions.rs:82:19 | LL | fn foo16() -> Result<(), ()> { - | ----- this is not `async` + | ---------------------------- this is not `async` LL | let _ = bar().await?; | ^^^^^ only allowed inside `async` functions and blocks @@ -173,7 +173,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/incorrect-syntax-suggestions.rs:87:23 | LL | fn foo() -> Result<(), ()> { - | --- this is not `async` + | -------------------------- this is not `async` LL | let _ = bar().await?; | ^^^^^ only allowed inside `async` functions and blocks diff --git a/tests/ui/async-await/coroutine-not-future.rs b/tests/ui/async-await/coroutine-not-future.rs index 2993f58378a..45227435507 100644 --- a/tests/ui/async-await/coroutine-not-future.rs +++ b/tests/ui/async-await/coroutine-not-future.rs @@ -1,5 +1,5 @@ //@ edition:2018 -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::future::Future; use std::ops::Coroutine; @@ -9,6 +9,7 @@ fn returns_async_block() -> impl Future<Output = ()> { async {} } fn returns_coroutine() -> impl Coroutine<(), Yield = (), Return = ()> { + #[coroutine] || { let _: () = yield (); } @@ -23,9 +24,12 @@ fn main() { takes_future(returns_async_block()); takes_future(async {}); takes_coroutine(returns_coroutine()); - takes_coroutine(|| { - let _: () = yield (); - }); + takes_coroutine( + #[coroutine] + || { + let _: () = yield (); + }, + ); // async futures are not coroutines: takes_coroutine(async_fn()); @@ -38,8 +42,11 @@ fn main() { // coroutines are not futures: takes_future(returns_coroutine()); //~^ ERROR is not a future - takes_future(|ctx| { - //~^ ERROR is not a future - ctx = yield (); - }); + takes_future( + #[coroutine] + |ctx| { + //~^ ERROR is not a future + ctx = yield (); + }, + ); } diff --git a/tests/ui/async-await/coroutine-not-future.stderr b/tests/ui/async-await/coroutine-not-future.stderr index 580217fb4f8..403e547a753 100644 --- a/tests/ui/async-await/coroutine-not-future.stderr +++ b/tests/ui/async-await/coroutine-not-future.stderr @@ -1,5 +1,5 @@ error[E0277]: the trait bound `impl Future<Output = ()>: Coroutine<_>` is not satisfied - --> $DIR/coroutine-not-future.rs:31:21 + --> $DIR/coroutine-not-future.rs:35:21 | LL | takes_coroutine(async_fn()); | --------------- ^^^^^^^^^^ the trait `Coroutine<_>` is not implemented for `impl Future<Output = ()>` @@ -7,13 +7,13 @@ LL | takes_coroutine(async_fn()); | required by a bound introduced by this call | note: required by a bound in `takes_coroutine` - --> $DIR/coroutine-not-future.rs:18:39 + --> $DIR/coroutine-not-future.rs:19:39 | LL | fn takes_coroutine<ResumeTy>(_g: impl Coroutine<ResumeTy, Yield = (), Return = ()>) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `takes_coroutine` error[E0277]: the trait bound `impl Future<Output = ()>: Coroutine<_>` is not satisfied - --> $DIR/coroutine-not-future.rs:33:21 + --> $DIR/coroutine-not-future.rs:37:21 | LL | takes_coroutine(returns_async_block()); | --------------- ^^^^^^^^^^^^^^^^^^^^^ the trait `Coroutine<_>` is not implemented for `impl Future<Output = ()>` @@ -21,27 +21,27 @@ LL | takes_coroutine(returns_async_block()); | required by a bound introduced by this call | note: required by a bound in `takes_coroutine` - --> $DIR/coroutine-not-future.rs:18:39 + --> $DIR/coroutine-not-future.rs:19:39 | LL | fn takes_coroutine<ResumeTy>(_g: impl Coroutine<ResumeTy, Yield = (), Return = ()>) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `takes_coroutine` -error[E0277]: the trait bound `{async block@$DIR/coroutine-not-future.rs:35:21: 35:29}: Coroutine<_>` is not satisfied - --> $DIR/coroutine-not-future.rs:35:21 +error[E0277]: the trait bound `{async block@$DIR/coroutine-not-future.rs:39:21: 39:29}: Coroutine<_>` is not satisfied + --> $DIR/coroutine-not-future.rs:39:21 | LL | takes_coroutine(async {}); - | --------------- ^^^^^^^^ the trait `Coroutine<_>` is not implemented for `{async block@$DIR/coroutine-not-future.rs:35:21: 35:29}` + | --------------- ^^^^^^^^ the trait `Coroutine<_>` is not implemented for `{async block@$DIR/coroutine-not-future.rs:39:21: 39:29}` | | | required by a bound introduced by this call | note: required by a bound in `takes_coroutine` - --> $DIR/coroutine-not-future.rs:18:39 + --> $DIR/coroutine-not-future.rs:19:39 | LL | fn takes_coroutine<ResumeTy>(_g: impl Coroutine<ResumeTy, Yield = (), Return = ()>) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `takes_coroutine` error[E0277]: `impl Coroutine<Yield = (), Return = ()>` is not a future - --> $DIR/coroutine-not-future.rs:39:18 + --> $DIR/coroutine-not-future.rs:43:18 | LL | takes_future(returns_coroutine()); | ------------ ^^^^^^^^^^^^^^^^^^^ `impl Coroutine<Yield = (), Return = ()>` is not a future @@ -50,26 +50,26 @@ LL | takes_future(returns_coroutine()); | = help: the trait `Future` is not implemented for `impl Coroutine<Yield = (), Return = ()>` note: required by a bound in `takes_future` - --> $DIR/coroutine-not-future.rs:17:26 + --> $DIR/coroutine-not-future.rs:18:26 | LL | fn takes_future(_f: impl Future<Output = ()>) {} | ^^^^^^^^^^^^^^^^^^^ required by this bound in `takes_future` -error[E0277]: `{coroutine@$DIR/coroutine-not-future.rs:41:18: 41:23}` is not a future - --> $DIR/coroutine-not-future.rs:41:18 +error[E0277]: `{coroutine@$DIR/coroutine-not-future.rs:47:9: 47:14}` is not a future + --> $DIR/coroutine-not-future.rs:47:9 | -LL | takes_future(|ctx| { - | _____------------_^ - | | | - | | required by a bound introduced by this call +LL | takes_future( + | ------------ required by a bound introduced by this call +LL | #[coroutine] +LL | / |ctx| { LL | | -LL | | ctx = yield (); -LL | | }); - | |_____^ `{coroutine@$DIR/coroutine-not-future.rs:41:18: 41:23}` is not a future +LL | | ctx = yield (); +LL | | }, + | |_________^ `{coroutine@$DIR/coroutine-not-future.rs:47:9: 47:14}` is not a future | - = help: the trait `Future` is not implemented for `{coroutine@$DIR/coroutine-not-future.rs:41:18: 41:23}` + = help: the trait `Future` is not implemented for `{coroutine@$DIR/coroutine-not-future.rs:47:9: 47:14}` note: required by a bound in `takes_future` - --> $DIR/coroutine-not-future.rs:17:26 + --> $DIR/coroutine-not-future.rs:18:26 | LL | fn takes_future(_f: impl Future<Output = ()>) {} | ^^^^^^^^^^^^^^^^^^^ required by this bound in `takes_future` diff --git a/tests/ui/async-await/issues/issue-51751.stderr b/tests/ui/async-await/issues/issue-51751.stderr index ba256b19948..ab12e0427b4 100644 --- a/tests/ui/async-await/issues/issue-51751.stderr +++ b/tests/ui/async-await/issues/issue-51751.stderr @@ -2,7 +2,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/issue-51751.rs:9:27 | LL | fn main() { - | ---- this is not `async` + | --------- this is not `async` LL | let result = inc(10000); LL | let finished = result.await; | ^^^^^ only allowed inside `async` functions and blocks diff --git a/tests/ui/async-await/issues/issue-62009-1.stderr b/tests/ui/async-await/issues/issue-62009-1.stderr index 02933f4f2f2..f8a4b5d9af8 100644 --- a/tests/ui/async-await/issues/issue-62009-1.stderr +++ b/tests/ui/async-await/issues/issue-62009-1.stderr @@ -2,7 +2,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/issue-62009-1.rs:6:23 | LL | fn main() { - | ---- this is not `async` + | --------- this is not `async` LL | async { let (); }.await; | ^^^^^ only allowed inside `async` functions and blocks @@ -10,7 +10,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/issue-62009-1.rs:10:7 | LL | fn main() { - | ---- this is not `async` + | --------- this is not `async` ... LL | }.await; | ^^^^^ only allowed inside `async` functions and blocks @@ -19,7 +19,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/issue-62009-1.rs:12:16 | LL | fn main() { - | ---- this is not `async` + | --------- this is not `async` ... LL | (|_| 2333).await; | ^^^^^ only allowed inside `async` functions and blocks diff --git a/tests/ui/async-await/issues/issue-62009-2.stderr b/tests/ui/async-await/issues/issue-62009-2.stderr index 80a831cc547..0004f99f901 100644 --- a/tests/ui/async-await/issues/issue-62009-2.stderr +++ b/tests/ui/async-await/issues/issue-62009-2.stderr @@ -2,7 +2,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/issue-62009-2.rs:8:23 | LL | fn main() { - | ---- this is not `async` + | --------- this is not `async` LL | (async || 2333)().await; | ^^^^^ only allowed inside `async` functions and blocks diff --git a/tests/ui/async-await/issues/issue-65419/issue-65419-coroutine-resume-after-completion.rs b/tests/ui/async-await/issues/issue-65419/issue-65419-coroutine-resume-after-completion.rs index f937311a5a0..6b7dfc1235e 100644 --- a/tests/ui/async-await/issues/issue-65419/issue-65419-coroutine-resume-after-completion.rs +++ b/tests/ui/async-await/issues/issue-65419/issue-65419-coroutine-resume-after-completion.rs @@ -6,15 +6,13 @@ //@ error-pattern:coroutine resumed after completion //@ edition:2018 -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] -use std::{ - ops::Coroutine, - pin::Pin, -}; +use std::{ops::Coroutine, pin::Pin}; fn main() { - let mut g = || { + let mut g = #[coroutine] + || { yield; }; Pin::new(&mut g).resume(()); // Yields once. diff --git a/tests/ui/async-await/issues/non-async-enclosing-span.stderr b/tests/ui/async-await/issues/non-async-enclosing-span.stderr index 91a9e5aa6ca..9c26de1c504 100644 --- a/tests/ui/async-await/issues/non-async-enclosing-span.stderr +++ b/tests/ui/async-await/issues/non-async-enclosing-span.stderr @@ -2,7 +2,7 @@ error[E0728]: `await` is only allowed inside `async` functions and blocks --> $DIR/non-async-enclosing-span.rs:9:28 | LL | fn main() { - | ---- this is not `async` + | --------- this is not `async` LL | let x = move || {}; LL | let y = do_the_thing().await; | ^^^^^ only allowed inside `async` functions and blocks diff --git a/tests/ui/async-await/non-trivial-drop.rs b/tests/ui/async-await/non-trivial-drop.rs index 71b88124219..95de3c5b005 100644 --- a/tests/ui/async-await/non-trivial-drop.rs +++ b/tests/ui/async-await/non-trivial-drop.rs @@ -8,7 +8,7 @@ fn main() { } fn foo() { - || { + #[coroutine] || { yield drop(Config { nickname: NonCopy, b: NonCopy2, diff --git a/tests/ui/attributes/unix_sigpipe/auxiliary/assert-inherit-sig_dfl.rs b/tests/ui/attributes/unix_sigpipe/auxiliary/assert-inherit-sig_dfl.rs new file mode 100644 index 00000000000..7f95fa7ebbe --- /dev/null +++ b/tests/ui/attributes/unix_sigpipe/auxiliary/assert-inherit-sig_dfl.rs @@ -0,0 +1,8 @@ +//@ aux-crate: sigpipe_utils=sigpipe-utils.rs + +#![feature(unix_sigpipe)] + +#[unix_sigpipe = "inherit"] +fn main() { + sigpipe_utils::assert_sigpipe_handler(sigpipe_utils::SignalHandler::Default); +} diff --git a/tests/ui/attributes/unix_sigpipe/auxiliary/assert-inherit-sig_ign.rs b/tests/ui/attributes/unix_sigpipe/auxiliary/assert-inherit-sig_ign.rs new file mode 100644 index 00000000000..d96e8b8ef84 --- /dev/null +++ b/tests/ui/attributes/unix_sigpipe/auxiliary/assert-inherit-sig_ign.rs @@ -0,0 +1,8 @@ +//@ aux-crate: sigpipe_utils=sigpipe-utils.rs + +#![feature(unix_sigpipe)] + +#[unix_sigpipe = "inherit"] +fn main() { + sigpipe_utils::assert_sigpipe_handler(sigpipe_utils::SignalHandler::Ignore); +} diff --git a/tests/ui/attributes/unix_sigpipe/unix_sigpipe-inherit.rs b/tests/ui/attributes/unix_sigpipe/unix_sigpipe-inherit.rs index db3407a7d55..694fa460e9b 100644 --- a/tests/ui/attributes/unix_sigpipe/unix_sigpipe-inherit.rs +++ b/tests/ui/attributes/unix_sigpipe/unix_sigpipe-inherit.rs @@ -1,14 +1,29 @@ +//@ ignore-cross-compile because aux-bin does not yet support it +//@ only-unix because SIGPIPE is a unix thing +//@ aux-bin: assert-inherit-sig_dfl.rs +//@ aux-bin: assert-inherit-sig_ign.rs //@ run-pass -//@ aux-build:sigpipe-utils.rs -#![feature(unix_sigpipe)] +#![feature(rustc_private, unix_sigpipe)] -#[unix_sigpipe = "inherit"] +extern crate libc; + +// By default the Rust runtime resets SIGPIPE to SIG_DFL before exec:ing child +// processes so opt-out of that with `#[unix_sigpipe = "sig_dfl"]`. See +// https://github.com/rust-lang/rust/blob/bf4de3a874753bbee3323081c8b0c133444fed2d/library/std/src/sys/pal/unix/process/process_unix.rs#L359-L384 +#[unix_sigpipe = "sig_dfl"] fn main() { - extern crate sigpipe_utils; + // First expect SIG_DFL in a child process with #[unix_sigpipe = "inherit"]. + assert_inherit_sigpipe_disposition("auxiliary/bin/assert-inherit-sig_dfl"); + + // With SIG_IGN we expect #[unix_sigpipe = "inherit"] to also get SIG_IGN. + unsafe { + libc::signal(libc::SIGPIPE, libc::SIG_IGN); + } + assert_inherit_sigpipe_disposition("auxiliary/bin/assert-inherit-sig_ign"); +} - // #[unix_sigpipe = "inherit"] is active, so SIGPIPE shall NOT be ignored, - // instead the default handler shall be installed. (We assume that the - // process that runs these tests have the default handler.) - sigpipe_utils::assert_sigpipe_handler(sigpipe_utils::SignalHandler::Default); +fn assert_inherit_sigpipe_disposition(aux_bin: &str) { + let mut cmd = std::process::Command::new(aux_bin); + assert!(cmd.status().unwrap().success()); } diff --git a/tests/ui/coherence/coherence-with-coroutine.rs b/tests/ui/coherence/coherence-with-coroutine.rs index 1ba98344672..6b0617e950b 100644 --- a/tests/ui/coherence/coherence-with-coroutine.rs +++ b/tests/ui/coherence/coherence-with-coroutine.rs @@ -8,6 +8,7 @@ type OpaqueCoroutine = impl Sized; fn defining_use() -> OpaqueCoroutine { + #[coroutine] || { for i in 0..10 { yield i; diff --git a/tests/ui/coherence/coherence-with-coroutine.stock.stderr b/tests/ui/coherence/coherence-with-coroutine.stock.stderr index 9cf20ea4936..5f58b3088f1 100644 --- a/tests/ui/coherence/coherence-with-coroutine.stock.stderr +++ b/tests/ui/coherence/coherence-with-coroutine.stock.stderr @@ -1,5 +1,5 @@ error[E0119]: conflicting implementations of trait `Trait` for type `Wrapper<OpaqueCoroutine>` - --> $DIR/coherence-with-coroutine.rs:21:1 + --> $DIR/coherence-with-coroutine.rs:22:1 | LL | impl Trait for Wrapper<OpaqueCoroutine> {} | --------------------------------------- first implementation here diff --git a/tests/ui/consts/const-eval/promoted_errors.noopt.stderr b/tests/ui/consts/const-eval/promoted_errors.noopt.stderr deleted file mode 100644 index 2a254bfde82..00000000000 --- a/tests/ui/consts/const-eval/promoted_errors.noopt.stderr +++ /dev/null @@ -1,44 +0,0 @@ -warning: this arithmetic operation will overflow - --> $DIR/promoted_errors.rs:15:5 - | -LL | 0 - 1 - | ^^^^^ attempt to compute `0_u32 - 1_u32`, which would overflow - | -note: the lint level is defined here - --> $DIR/promoted_errors.rs:11:9 - | -LL | #![warn(arithmetic_overflow, unconditional_panic)] - | ^^^^^^^^^^^^^^^^^^^ - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:19:5 - | -LL | 1 / 0 - | ^^^^^ attempt to divide `1_i32` by zero - | -note: the lint level is defined here - --> $DIR/promoted_errors.rs:11:30 - | -LL | #![warn(arithmetic_overflow, unconditional_panic)] - | ^^^^^^^^^^^^^^^^^^^ - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:23:5 - | -LL | 1 / (1 - 1) - | ^^^^^^^^^^^ attempt to divide `1_i32` by zero - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:27:5 - | -LL | 1 / (false as i32) - | ^^^^^^^^^^^^^^^^^^ attempt to divide `1_i32` by zero - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:31:5 - | -LL | [1, 2, 3][4] - | ^^^^^^^^^^^^ index out of bounds: the length is 3 but the index is 4 - -warning: 5 warnings emitted - diff --git a/tests/ui/consts/const-eval/promoted_errors.opt.stderr b/tests/ui/consts/const-eval/promoted_errors.opt.stderr deleted file mode 100644 index 2a254bfde82..00000000000 --- a/tests/ui/consts/const-eval/promoted_errors.opt.stderr +++ /dev/null @@ -1,44 +0,0 @@ -warning: this arithmetic operation will overflow - --> $DIR/promoted_errors.rs:15:5 - | -LL | 0 - 1 - | ^^^^^ attempt to compute `0_u32 - 1_u32`, which would overflow - | -note: the lint level is defined here - --> $DIR/promoted_errors.rs:11:9 - | -LL | #![warn(arithmetic_overflow, unconditional_panic)] - | ^^^^^^^^^^^^^^^^^^^ - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:19:5 - | -LL | 1 / 0 - | ^^^^^ attempt to divide `1_i32` by zero - | -note: the lint level is defined here - --> $DIR/promoted_errors.rs:11:30 - | -LL | #![warn(arithmetic_overflow, unconditional_panic)] - | ^^^^^^^^^^^^^^^^^^^ - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:23:5 - | -LL | 1 / (1 - 1) - | ^^^^^^^^^^^ attempt to divide `1_i32` by zero - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:27:5 - | -LL | 1 / (false as i32) - | ^^^^^^^^^^^^^^^^^^ attempt to divide `1_i32` by zero - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:31:5 - | -LL | [1, 2, 3][4] - | ^^^^^^^^^^^^ index out of bounds: the length is 3 but the index is 4 - -warning: 5 warnings emitted - diff --git a/tests/ui/consts/const-eval/promoted_errors.opt_with_overflow_checks.stderr b/tests/ui/consts/const-eval/promoted_errors.opt_with_overflow_checks.stderr deleted file mode 100644 index 2a254bfde82..00000000000 --- a/tests/ui/consts/const-eval/promoted_errors.opt_with_overflow_checks.stderr +++ /dev/null @@ -1,44 +0,0 @@ -warning: this arithmetic operation will overflow - --> $DIR/promoted_errors.rs:15:5 - | -LL | 0 - 1 - | ^^^^^ attempt to compute `0_u32 - 1_u32`, which would overflow - | -note: the lint level is defined here - --> $DIR/promoted_errors.rs:11:9 - | -LL | #![warn(arithmetic_overflow, unconditional_panic)] - | ^^^^^^^^^^^^^^^^^^^ - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:19:5 - | -LL | 1 / 0 - | ^^^^^ attempt to divide `1_i32` by zero - | -note: the lint level is defined here - --> $DIR/promoted_errors.rs:11:30 - | -LL | #![warn(arithmetic_overflow, unconditional_panic)] - | ^^^^^^^^^^^^^^^^^^^ - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:23:5 - | -LL | 1 / (1 - 1) - | ^^^^^^^^^^^ attempt to divide `1_i32` by zero - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:27:5 - | -LL | 1 / (false as i32) - | ^^^^^^^^^^^^^^^^^^ attempt to divide `1_i32` by zero - -warning: this operation will panic at runtime - --> $DIR/promoted_errors.rs:31:5 - | -LL | [1, 2, 3][4] - | ^^^^^^^^^^^^ index out of bounds: the length is 3 but the index is 4 - -warning: 5 warnings emitted - diff --git a/tests/ui/consts/const-eval/promoted_errors.rs b/tests/ui/consts/const-eval/promoted_errors.rs deleted file mode 100644 index e806d4a3246..00000000000 --- a/tests/ui/consts/const-eval/promoted_errors.rs +++ /dev/null @@ -1,52 +0,0 @@ -//@ revisions: noopt opt opt_with_overflow_checks -//@[noopt]compile-flags: -C opt-level=0 -//@[opt]compile-flags: -O -//@[opt_with_overflow_checks]compile-flags: -C overflow-checks=on -O - -//@ build-pass -//@ ignore-pass (test emits codegen-time warnings and verifies that they are not errors) - -//! This test ensures that when we promote code that fails to evaluate, the build still succeeds. - -#![warn(arithmetic_overflow, unconditional_panic)] - -// The only way to have promoteds that fail is in `const fn` called from `const`/`static`. -const fn overflow() -> u32 { - 0 - 1 - //~^ WARN this arithmetic operation will overflow -} -const fn div_by_zero1() -> i32 { - 1 / 0 - //~^ WARN this operation will panic at runtime -} -const fn div_by_zero2() -> i32 { - 1 / (1 - 1) - //~^ WARN this operation will panic at runtime -} -const fn div_by_zero3() -> i32 { - 1 / (false as i32) - //~^ WARN this operation will panic at runtime -} -const fn oob() -> i32 { - [1, 2, 3][4] - //~^ WARN this operation will panic at runtime -} - -const fn mk_false() -> bool { false } - -// An actually used constant referencing failing promoteds in dead code. -// This needs to always work. -const Y: () = { - if mk_false() { - let _x: &'static u32 = &overflow(); - let _x: &'static i32 = &div_by_zero1(); - let _x: &'static i32 = &div_by_zero2(); - let _x: &'static i32 = &div_by_zero3(); - let _x: &'static i32 = &oob(); - } - () -}; - -fn main() { - Y; -} diff --git a/tests/ui/consts/promote-not.rs b/tests/ui/consts/promote-not.rs index 9b16f32532a..80912937f31 100644 --- a/tests/ui/consts/promote-not.rs +++ b/tests/ui/consts/promote-not.rs @@ -51,6 +51,15 @@ const TEST_DROP_NOT_PROMOTE: &String = { }; +// We do not promote function calls in `const` initializers in dead code. +const fn mk_panic() -> u32 { panic!() } +const fn mk_false() -> bool { false } +const Y: () = { + if mk_false() { + let _x: &'static u32 = &mk_panic(); //~ ERROR temporary value dropped while borrowed + } +}; + fn main() { // We must not promote things with interior mutability. Not even if we "project it away". let _val: &'static _ = &(Cell::new(1), 2).0; //~ ERROR temporary value dropped while borrowed diff --git a/tests/ui/consts/promote-not.stderr b/tests/ui/consts/promote-not.stderr index 07d4a135ed4..d8b6091dc9a 100644 --- a/tests/ui/consts/promote-not.stderr +++ b/tests/ui/consts/promote-not.stderr @@ -48,6 +48,16 @@ LL | }; | - value is dropped here error[E0716]: temporary value dropped while borrowed + --> $DIR/promote-not.rs:59:33 + | +LL | let _x: &'static u32 = &mk_panic(); + | ------------ ^^^^^^^^^^ creates a temporary value which is freed while still in use + | | + | type annotation requires that borrow lasts for `'static` +LL | } + | - temporary value is freed at the end of this statement + +error[E0716]: temporary value dropped while borrowed --> $DIR/promote-not.rs:21:32 | LL | let _x: &'static () = &foo(); @@ -68,7 +78,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:56:29 + --> $DIR/promote-not.rs:65:29 | LL | let _val: &'static _ = &(Cell::new(1), 2).0; | ---------- ^^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -79,7 +89,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:57:29 + --> $DIR/promote-not.rs:66:29 | LL | let _val: &'static _ = &(Cell::new(1), 2).1; | ---------- ^^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -90,7 +100,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:60:29 + --> $DIR/promote-not.rs:69:29 | LL | let _val: &'static _ = &(1/0); | ---------- ^^^^^ creates a temporary value which is freed while still in use @@ -101,7 +111,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:61:29 + --> $DIR/promote-not.rs:70:29 | LL | let _val: &'static _ = &(1/(1-1)); | ---------- ^^^^^^^^^ creates a temporary value which is freed while still in use @@ -112,7 +122,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:62:29 + --> $DIR/promote-not.rs:71:29 | LL | let _val: &'static _ = &((1+1)/(1-1)); | ---------- ^^^^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -123,7 +133,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:63:29 + --> $DIR/promote-not.rs:72:29 | LL | let _val: &'static _ = &(i32::MIN/-1); | ---------- ^^^^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -134,7 +144,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:64:29 + --> $DIR/promote-not.rs:73:29 | LL | let _val: &'static _ = &(i32::MIN/(0-1)); | ---------- ^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -145,7 +155,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:65:29 + --> $DIR/promote-not.rs:74:29 | LL | let _val: &'static _ = &(-128i8/-1); | ---------- ^^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -156,7 +166,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:66:29 + --> $DIR/promote-not.rs:75:29 | LL | let _val: &'static _ = &(1%0); | ---------- ^^^^^ creates a temporary value which is freed while still in use @@ -167,7 +177,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:67:29 + --> $DIR/promote-not.rs:76:29 | LL | let _val: &'static _ = &(1%(1-1)); | ---------- ^^^^^^^^^ creates a temporary value which is freed while still in use @@ -178,7 +188,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:68:29 + --> $DIR/promote-not.rs:77:29 | LL | let _val: &'static _ = &([1,2,3][4]+1); | ---------- ^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -189,7 +199,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:72:29 + --> $DIR/promote-not.rs:81:29 | LL | let _val: &'static _ = &TEST_DROP; | ---------- ^^^^^^^^^ creates a temporary value which is freed while still in use @@ -200,7 +210,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:74:29 + --> $DIR/promote-not.rs:83:29 | LL | let _val: &'static _ = &&TEST_DROP; | ---------- ^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -211,7 +221,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:74:30 + --> $DIR/promote-not.rs:83:30 | LL | let _val: &'static _ = &&TEST_DROP; | ---------- ^^^^^^^^^ creates a temporary value which is freed while still in use @@ -222,7 +232,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:77:29 + --> $DIR/promote-not.rs:86:29 | LL | let _val: &'static _ = &(&TEST_DROP,); | ---------- ^^^^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -233,7 +243,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:77:31 + --> $DIR/promote-not.rs:86:31 | LL | let _val: &'static _ = &(&TEST_DROP,); | ---------- ^^^^^^^^^ creates a temporary value which is freed while still in use @@ -244,7 +254,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:80:29 + --> $DIR/promote-not.rs:89:29 | LL | let _val: &'static _ = &[&TEST_DROP; 1]; | ---------- ^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -255,7 +265,7 @@ LL | } | - temporary value is freed at the end of this statement error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:80:31 + --> $DIR/promote-not.rs:89:31 | LL | let _val: &'static _ = &[&TEST_DROP; 1]; | ---------- ^^^^^^^^^ - temporary value is freed at the end of this statement @@ -264,7 +274,7 @@ LL | let _val: &'static _ = &[&TEST_DROP; 1]; | type annotation requires that borrow lasts for `'static` error[E0716]: temporary value dropped while borrowed - --> $DIR/promote-not.rs:89:26 + --> $DIR/promote-not.rs:98:26 | LL | let x: &'static _ = &UnionWithCell { f1: 0 }; | ---------- ^^^^^^^^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use @@ -274,7 +284,7 @@ LL | LL | } | - temporary value is freed at the end of this statement -error: aborting due to 26 previous errors +error: aborting due to 27 previous errors Some errors have detailed explanations: E0493, E0716. For more information about an error, try `rustc --explain E0493`. diff --git a/tests/ui/consts/promotion.rs b/tests/ui/consts/promotion.rs index b18495a4a6b..457e807c970 100644 --- a/tests/ui/consts/promotion.rs +++ b/tests/ui/consts/promotion.rs @@ -5,28 +5,30 @@ //@ build-pass +#![allow(arithmetic_overflow)] + +use std::mem; + const fn assert_static<T>(_: &'static T) {} -#[allow(unconditional_panic)] -const fn fail() -> i32 { - 1/0 -} -const C: i32 = { - // Promoted that fails to evaluate in dead code -- this must work - // (for backwards compatibility reasons). - if false { - assert_static(&fail()); - } +// Function calls in const on the "main path" (not inside conditionals) +// do get promoted. +const fn make_thing() -> i32 { 42 +} +const C: () = { + assert_static(&make_thing()); + // Make sure this works even when there's other stuff (like function calls) above the relevant + // call in the const initializer. + assert_static(&make_thing()); }; fn main() { assert_static(&["a", "b", "c"]); assert_static(&["d", "e", "f"]); - assert_eq!(C, 42); // make sure that this does not cause trouble despite overflowing - assert_static(&(0-1)); + assert_static(&(0u32 - 1)); // div-by-non-0 (and also not MIN/-1) is okay assert_static(&(1/1)); @@ -36,12 +38,16 @@ fn main() { assert_static(&(1%1)); // in-bounds array access is okay - assert_static(&([1,2,3][0] + 1)); - assert_static(&[[1,2][1]]); + assert_static(&([1, 2, 3][0] + 1)); + assert_static(&[[1, 2][1]]); // Top-level projections are not part of the promoted, so no error here. if false { #[allow(unconditional_panic)] - assert_static(&[1,2,3][4]); + assert_static(&[1, 2, 3][4]); } + + // More complicated case involving control flow and a `#[rustc_promotable]` function + let decision = std::hint::black_box(true); + let x: &'static usize = if decision { &mem::size_of::<usize>() } else { &0 }; } diff --git a/tests/ui/consts/required-consts/collect-in-promoted-const.noopt.stderr b/tests/ui/consts/required-consts/collect-in-promoted-const.noopt.stderr new file mode 100644 index 00000000000..a50c49d5362 --- /dev/null +++ b/tests/ui/consts/required-consts/collect-in-promoted-const.noopt.stderr @@ -0,0 +1,23 @@ +error[E0080]: evaluation of `Fail::<i32>::C` failed + --> $DIR/collect-in-promoted-const.rs:9:19 + | +LL | const C: () = panic!(); + | ^^^^^^^^ the evaluated program panicked at 'explicit panic', $DIR/collect-in-promoted-const.rs:9:19 + | + = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) + +note: erroneous constant encountered + --> $DIR/collect-in-promoted-const.rs:20:21 + | +LL | let _val = &Fail::<T>::C; + | ^^^^^^^^^^^^ + +note: the above error was encountered while instantiating `fn f::<i32>` + --> $DIR/collect-in-promoted-const.rs:25:5 + | +LL | f::<i32>(); + | ^^^^^^^^^^ + +error: aborting due to 1 previous error + +For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/consts/required-consts/collect-in-promoted-const.opt.stderr b/tests/ui/consts/required-consts/collect-in-promoted-const.opt.stderr new file mode 100644 index 00000000000..cf0aa8ef7a7 --- /dev/null +++ b/tests/ui/consts/required-consts/collect-in-promoted-const.opt.stderr @@ -0,0 +1,39 @@ +error[E0080]: evaluation of `Fail::<T>::C` failed + --> $DIR/collect-in-promoted-const.rs:9:19 + | +LL | const C: () = panic!(); + | ^^^^^^^^ the evaluated program panicked at 'explicit panic', $DIR/collect-in-promoted-const.rs:9:19 + | + = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) + +note: erroneous constant encountered + --> $DIR/collect-in-promoted-const.rs:20:21 + | +LL | let _val = &Fail::<T>::C; + | ^^^^^^^^^^^^ + +error[E0080]: evaluation of `Fail::<i32>::C` failed + --> $DIR/collect-in-promoted-const.rs:9:19 + | +LL | const C: () = panic!(); + | ^^^^^^^^ the evaluated program panicked at 'explicit panic', $DIR/collect-in-promoted-const.rs:9:19 + | + = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info) + +note: erroneous constant encountered + --> $DIR/collect-in-promoted-const.rs:20:21 + | +LL | let _val = &Fail::<T>::C; + | ^^^^^^^^^^^^ + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +note: the above error was encountered while instantiating `fn f::<i32>` + --> $DIR/collect-in-promoted-const.rs:25:5 + | +LL | f::<i32>(); + | ^^^^^^^^^^ + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0080`. diff --git a/tests/ui/consts/required-consts/collect-in-promoted-const.rs b/tests/ui/consts/required-consts/collect-in-promoted-const.rs new file mode 100644 index 00000000000..4a3ce92e8f9 --- /dev/null +++ b/tests/ui/consts/required-consts/collect-in-promoted-const.rs @@ -0,0 +1,26 @@ +//@revisions: noopt opt +//@ build-fail +//@[noopt] compile-flags: -Copt-level=0 +//@[opt] compile-flags: -O +//! Make sure we error on erroneous consts even if they get promoted. + +struct Fail<T>(T); +impl<T> Fail<T> { + const C: () = panic!(); //~ERROR evaluation of `Fail::<i32>::C` failed + //[opt]~^ ERROR evaluation of `Fail::<T>::C` failed + // (Not sure why optimizations lead to this being emitted twice, but as long as compilation + // fails either way it's fine.) +} + +#[inline(never)] +fn f<T>() { + if false { + // If promotion moved `C` from our required_consts to its own, without adding itself to + // our required_consts, then we'd miss the const-eval failure here. + let _val = &Fail::<T>::C; + } +} + +fn main() { + f::<i32>(); +} diff --git a/tests/ui/consts/required-consts/interpret-in-promoted.rs b/tests/ui/consts/required-consts/interpret-in-promoted.rs index 187494180ad..48caece6ff5 100644 --- a/tests/ui/consts/required-consts/interpret-in-promoted.rs +++ b/tests/ui/consts/required-consts/interpret-in-promoted.rs @@ -1,7 +1,7 @@ //@revisions: noopt opt //@[noopt] compile-flags: -Copt-level=0 //@[opt] compile-flags: -O -//! Make sure we error on erroneous consts even if they are unused. +//! Make sure we evaluate const fn calls even if they get promoted and their result ignored. const unsafe fn ub() { std::hint::unreachable_unchecked(); diff --git a/tests/ui/coroutine/addassign-yield.rs b/tests/ui/coroutine/addassign-yield.rs index 8718e73512f..8329b53d715 100644 --- a/tests/ui/coroutine/addassign-yield.rs +++ b/tests/ui/coroutine/addassign-yield.rs @@ -5,21 +5,21 @@ // is being used), we were failing to account for all types that might // possibly be live across a yield point. -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn foo() { - let _x = static || { + let _x = #[coroutine] static || { let mut s = String::new(); s += { yield; "" }; }; - let _y = static || { + let _y = #[coroutine] static || { let x = &mut 0; *{ yield; x } += match String::new() { _ => 0 }; }; // Please don't ever actually write something like this - let _z = static || { + let _z = #[coroutine] static || { let x = &mut 0; *{ let inner = &mut 1; diff --git a/tests/ui/coroutine/auto-trait-regions.rs b/tests/ui/coroutine/auto-trait-regions.rs index 5fce70e8e54..4c239f9ee76 100644 --- a/tests/ui/coroutine/auto-trait-regions.rs +++ b/tests/ui/coroutine/auto-trait-regions.rs @@ -1,4 +1,4 @@ -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![feature(auto_traits)] #![feature(negative_impls)] @@ -23,7 +23,7 @@ fn assert_foo<T: Foo>(f: T) {} fn main() { // Make sure 'static is erased for coroutine interiors so we can't match it in trait selection let x: &'static _ = &OnlyFooIfStaticRef(No); - let gen = move || { + let gen = #[coroutine] move || { let x = x; yield; assert_foo(x); @@ -33,7 +33,7 @@ fn main() { // Allow impls which matches any lifetime let x = &OnlyFooIfRef(No); - let gen = move || { + let gen = #[coroutine] move || { let x = x; yield; assert_foo(x); @@ -41,7 +41,7 @@ fn main() { assert_foo(gen); // ok // Disallow impls which relates lifetimes in the coroutine interior - let gen = move || { + let gen = #[coroutine] move || { let a = A(&mut true, &mut true, No); //~^ temporary value dropped while borrowed //~| temporary value dropped while borrowed diff --git a/tests/ui/coroutine/auxiliary/metadata-sufficient-for-layout.rs b/tests/ui/coroutine/auxiliary/metadata-sufficient-for-layout.rs index 8af6973134a..8ecb8c0c097 100644 --- a/tests/ui/coroutine/auxiliary/metadata-sufficient-for-layout.rs +++ b/tests/ui/coroutine/auxiliary/metadata-sufficient-for-layout.rs @@ -5,6 +5,7 @@ use std::marker::Unpin; use std::ops::Coroutine; pub fn g() -> impl Coroutine<(), Yield = (), Return = ()> { + #[coroutine] || { yield; } diff --git a/tests/ui/coroutine/auxiliary/unwind-aux.rs b/tests/ui/coroutine/auxiliary/unwind-aux.rs index ff1e8ed32cd..5d5e5c2218d 100644 --- a/tests/ui/coroutine/auxiliary/unwind-aux.rs +++ b/tests/ui/coroutine/auxiliary/unwind-aux.rs @@ -2,9 +2,10 @@ //@ no-prefer-dynamic //@ edition:2021 -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] pub fn run<T>(a: T) { - let _ = move || { + let _ = #[coroutine] + move || { drop(a); yield; }; diff --git a/tests/ui/coroutine/auxiliary/xcrate-reachable.rs b/tests/ui/coroutine/auxiliary/xcrate-reachable.rs index 673153f0619..0b5d1882300 100644 --- a/tests/ui/coroutine/auxiliary/xcrate-reachable.rs +++ b/tests/ui/coroutine/auxiliary/xcrate-reachable.rs @@ -7,6 +7,7 @@ fn msg() -> u32 { } pub fn foo() -> impl Coroutine<(), Yield = (), Return = u32> { + #[coroutine] || { yield; return msg(); diff --git a/tests/ui/coroutine/auxiliary/xcrate.rs b/tests/ui/coroutine/auxiliary/xcrate.rs index f749a95ad35..52f188135bd 100644 --- a/tests/ui/coroutine/auxiliary/xcrate.rs +++ b/tests/ui/coroutine/auxiliary/xcrate.rs @@ -1,9 +1,10 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::marker::Unpin; use std::ops::Coroutine; pub fn foo() -> impl Coroutine<(), Yield = (), Return = ()> { + #[coroutine] || { if false { yield; @@ -12,7 +13,10 @@ pub fn foo() -> impl Coroutine<(), Yield = (), Return = ()> { } pub fn bar<T: 'static>(t: T) -> Box<Coroutine<(), Yield = T, Return = ()> + Unpin> { - Box::new(|| { - yield t; - }) + Box::new( + #[coroutine] + || { + yield t; + }, + ) } diff --git a/tests/ui/coroutine/borrow-in-tail-expr.rs b/tests/ui/coroutine/borrow-in-tail-expr.rs index 2f0aa62019e..380e95cfc77 100644 --- a/tests/ui/coroutine/borrow-in-tail-expr.rs +++ b/tests/ui/coroutine/borrow-in-tail-expr.rs @@ -1,9 +1,9 @@ //@ run-pass -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn main() { - let _a = || { + let _a = #[coroutine] || { yield; let a = String::new(); a.len() diff --git a/tests/ui/coroutine/borrowing.rs b/tests/ui/coroutine/borrowing.rs index 778eed8bd0d..a6628766c1b 100644 --- a/tests/ui/coroutine/borrowing.rs +++ b/tests/ui/coroutine/borrowing.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::pin::Pin; @@ -6,13 +6,13 @@ use std::pin::Pin; fn main() { let _b = { let a = 3; - Pin::new(&mut || yield &a).resume(()) + Pin::new(&mut #[coroutine] || yield &a).resume(()) //~^ ERROR: `a` does not live long enough }; let _b = { let a = 3; - || { + #[coroutine] || { yield &a //~^ ERROR: `a` does not live long enough } diff --git a/tests/ui/coroutine/borrowing.stderr b/tests/ui/coroutine/borrowing.stderr index acd4cdafdfd..9132e5d84ed 100644 --- a/tests/ui/coroutine/borrowing.stderr +++ b/tests/ui/coroutine/borrowing.stderr @@ -1,13 +1,13 @@ error[E0597]: `a` does not live long enough - --> $DIR/borrowing.rs:9:33 + --> $DIR/borrowing.rs:9:46 | LL | let _b = { | -- borrow later stored here LL | let a = 3; -LL | Pin::new(&mut || yield &a).resume(()) - | -- ^ borrowed value does not live long enough - | | - | value captured here by coroutine +LL | Pin::new(&mut #[coroutine] || yield &a).resume(()) + | -- ^ borrowed value does not live long enough + | | + | value captured here by coroutine LL | LL | }; | - `a` dropped here while still borrowed @@ -18,8 +18,8 @@ error[E0597]: `a` does not live long enough LL | let _b = { | -- borrow later stored here LL | let a = 3; -LL | || { - | -- value captured here by coroutine +LL | #[coroutine] || { + | -- value captured here by coroutine LL | yield &a | ^ borrowed value does not live long enough ... diff --git a/tests/ui/coroutine/check-resume-ty-lifetimes-2.rs b/tests/ui/coroutine/check-resume-ty-lifetimes-2.rs index a316c50e867..327756ebe66 100644 --- a/tests/ui/coroutine/check-resume-ty-lifetimes-2.rs +++ b/tests/ui/coroutine/check-resume-ty-lifetimes-2.rs @@ -7,27 +7,27 @@ struct Contravariant<'a>(fn(&'a ())); struct Covariant<'a>(fn() -> &'a ()); fn bad1<'short, 'long: 'short>() -> impl Coroutine<Covariant<'short>> { - |_: Covariant<'short>| { + #[coroutine] |_: Covariant<'short>| { let a: Covariant<'long> = yield (); //~^ ERROR lifetime may not live long enough } } fn bad2<'short, 'long: 'short>() -> impl Coroutine<Contravariant<'long>> { - |_: Contravariant<'long>| { + #[coroutine] |_: Contravariant<'long>| { let a: Contravariant<'short> = yield (); //~^ ERROR lifetime may not live long enough } } fn good1<'short, 'long: 'short>() -> impl Coroutine<Covariant<'long>> { - |_: Covariant<'long>| { + #[coroutine] |_: Covariant<'long>| { let a: Covariant<'short> = yield (); } } fn good2<'short, 'long: 'short>() -> impl Coroutine<Contravariant<'short>> { - |_: Contravariant<'short>| { + #[coroutine] |_: Contravariant<'short>| { let a: Contravariant<'long> = yield (); } } diff --git a/tests/ui/coroutine/check-resume-ty-lifetimes-2.stderr b/tests/ui/coroutine/check-resume-ty-lifetimes-2.stderr index e0cbca2dd52..8eb7ab3501b 100644 --- a/tests/ui/coroutine/check-resume-ty-lifetimes-2.stderr +++ b/tests/ui/coroutine/check-resume-ty-lifetimes-2.stderr @@ -5,15 +5,15 @@ LL | fn bad1<'short, 'long: 'short>() -> impl Coroutine<Covariant<'short>> { | ------ ----- lifetime `'long` defined here | | | lifetime `'short` defined here -LL | |_: Covariant<'short>| { +LL | #[coroutine] |_: Covariant<'short>| { LL | let a: Covariant<'long> = yield (); | ^^^^^^^^^^^^^^^^ type annotation requires that `'short` must outlive `'long` | = help: consider adding the following bound: `'short: 'long` help: consider adding 'move' keyword before the nested closure | -LL | move |_: Covariant<'short>| { - | ++++ +LL | #[coroutine] move |_: Covariant<'short>| { + | ++++ error: lifetime may not live long enough --> $DIR/check-resume-ty-lifetimes-2.rs:18:40 @@ -22,15 +22,15 @@ LL | fn bad2<'short, 'long: 'short>() -> impl Coroutine<Contravariant<'long>> { | ------ ----- lifetime `'long` defined here | | | lifetime `'short` defined here -LL | |_: Contravariant<'long>| { +LL | #[coroutine] |_: Contravariant<'long>| { LL | let a: Contravariant<'short> = yield (); | ^^^^^^^^ yielding this value requires that `'short` must outlive `'long` | = help: consider adding the following bound: `'short: 'long` help: consider adding 'move' keyword before the nested closure | -LL | move |_: Contravariant<'long>| { - | ++++ +LL | #[coroutine] move |_: Contravariant<'long>| { + | ++++ error: aborting due to 2 previous errors diff --git a/tests/ui/coroutine/check-resume-ty-lifetimes.rs b/tests/ui/coroutine/check-resume-ty-lifetimes.rs index add0b5080a8..b75e46c541c 100644 --- a/tests/ui/coroutine/check-resume-ty-lifetimes.rs +++ b/tests/ui/coroutine/check-resume-ty-lifetimes.rs @@ -1,5 +1,5 @@ #![feature(coroutine_trait)] -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![allow(unused)] use std::ops::Coroutine; @@ -9,11 +9,14 @@ use std::pin::pin; fn mk_static(s: &str) -> &'static str { let mut storage: Option<&'static str> = None; - let mut coroutine = pin!(|_: &str| { - let x: &'static str = yield (); - //~^ ERROR lifetime may not live long enough - storage = Some(x); - }); + let mut coroutine = pin!( + #[coroutine] + |_: &str| { + let x: &'static str = yield (); + //~^ ERROR lifetime may not live long enough + storage = Some(x); + } + ); coroutine.as_mut().resume(s); coroutine.as_mut().resume(s); diff --git a/tests/ui/coroutine/check-resume-ty-lifetimes.stderr b/tests/ui/coroutine/check-resume-ty-lifetimes.stderr index f373aa778a8..1fbaeb9f7fa 100644 --- a/tests/ui/coroutine/check-resume-ty-lifetimes.stderr +++ b/tests/ui/coroutine/check-resume-ty-lifetimes.stderr @@ -1,11 +1,11 @@ error: lifetime may not live long enough - --> $DIR/check-resume-ty-lifetimes.rs:13:16 + --> $DIR/check-resume-ty-lifetimes.rs:15:20 | LL | fn mk_static(s: &str) -> &'static str { | - let's call the lifetime of this reference `'1` ... -LL | let x: &'static str = yield (); - | ^^^^^^^^^^^^ type annotation requires that `'1` must outlive `'static` +LL | let x: &'static str = yield (); + | ^^^^^^^^^^^^ type annotation requires that `'1` must outlive `'static` error: aborting due to 1 previous error diff --git a/tests/ui/coroutine/clone-impl-static.rs b/tests/ui/coroutine/clone-impl-static.rs index 9a165cf4672..56d1ccac703 100644 --- a/tests/ui/coroutine/clone-impl-static.rs +++ b/tests/ui/coroutine/clone-impl-static.rs @@ -1,10 +1,11 @@ // gate-test-coroutine_clone // Verifies that static coroutines cannot be cloned/copied. -#![feature(coroutines, coroutine_clone)] +#![feature(coroutines, coroutine_clone, stmt_expr_attributes)] fn main() { - let gen = static move || { + let gen = #[coroutine] + static move || { yield; }; check_copy(&gen); diff --git a/tests/ui/coroutine/clone-impl-static.stderr b/tests/ui/coroutine/clone-impl-static.stderr index 8fa9fb12bf6..43920326d5d 100644 --- a/tests/ui/coroutine/clone-impl-static.stderr +++ b/tests/ui/coroutine/clone-impl-static.stderr @@ -1,27 +1,27 @@ -error[E0277]: the trait bound `{static coroutine@$DIR/clone-impl-static.rs:7:15: 7:29}: Copy` is not satisfied - --> $DIR/clone-impl-static.rs:10:16 +error[E0277]: the trait bound `{static coroutine@$DIR/clone-impl-static.rs:8:5: 8:19}: Copy` is not satisfied + --> $DIR/clone-impl-static.rs:11:16 | LL | check_copy(&gen); - | ---------- ^^^^ the trait `Copy` is not implemented for `{static coroutine@$DIR/clone-impl-static.rs:7:15: 7:29}` + | ---------- ^^^^ the trait `Copy` is not implemented for `{static coroutine@$DIR/clone-impl-static.rs:8:5: 8:19}` | | | required by a bound introduced by this call | note: required by a bound in `check_copy` - --> $DIR/clone-impl-static.rs:16:18 + --> $DIR/clone-impl-static.rs:17:18 | LL | fn check_copy<T: Copy>(_x: &T) {} | ^^^^ required by this bound in `check_copy` -error[E0277]: the trait bound `{static coroutine@$DIR/clone-impl-static.rs:7:15: 7:29}: Clone` is not satisfied - --> $DIR/clone-impl-static.rs:12:17 +error[E0277]: the trait bound `{static coroutine@$DIR/clone-impl-static.rs:8:5: 8:19}: Clone` is not satisfied + --> $DIR/clone-impl-static.rs:13:17 | LL | check_clone(&gen); - | ----------- ^^^^ the trait `Clone` is not implemented for `{static coroutine@$DIR/clone-impl-static.rs:7:15: 7:29}` + | ----------- ^^^^ the trait `Clone` is not implemented for `{static coroutine@$DIR/clone-impl-static.rs:8:5: 8:19}` | | | required by a bound introduced by this call | note: required by a bound in `check_clone` - --> $DIR/clone-impl-static.rs:17:19 + --> $DIR/clone-impl-static.rs:18:19 | LL | fn check_clone<T: Clone>(_x: &T) {} | ^^^^^ required by this bound in `check_clone` diff --git a/tests/ui/coroutine/clone-impl.rs b/tests/ui/coroutine/clone-impl.rs index fffdae632ef..94420e56a22 100644 --- a/tests/ui/coroutine/clone-impl.rs +++ b/tests/ui/coroutine/clone-impl.rs @@ -2,13 +2,14 @@ // Verifies that non-static coroutines can be cloned/copied if all their upvars and locals held // across awaits can be cloned/copied. -#![feature(coroutines, coroutine_clone)] +#![feature(coroutines, coroutine_clone, stmt_expr_attributes)] struct NonClone; fn test1() { let copyable: u32 = 123; - let gen_copy_0 = move || { + let gen_copy_0 = #[coroutine] + move || { yield; drop(copyable); }; @@ -18,7 +19,8 @@ fn test1() { fn test2() { let copyable: u32 = 123; - let gen_copy_1 = move || { + let gen_copy_1 = #[coroutine] + move || { /* let v = vec!['a']; let n = NonClone; @@ -37,7 +39,8 @@ fn test2() { fn test3() { let clonable_0: Vec<u32> = Vec::new(); - let gen_clone_0 = move || { + let gen_clone_0 = #[coroutine] + move || { let v = vec!['a']; yield; drop(v); @@ -51,7 +54,8 @@ fn test3() { fn test4() { let clonable_1: Vec<u32> = Vec::new(); - let gen_clone_1 = move || { + let gen_clone_1 = #[coroutine] + move || { let v = vec!['a']; /* let n = NonClone; @@ -71,7 +75,8 @@ fn test4() { fn test5() { let non_clonable: NonClone = NonClone; - let gen_non_clone = move || { + let gen_non_clone = #[coroutine] + move || { yield; drop(non_clonable); }; diff --git a/tests/ui/coroutine/clone-impl.stderr b/tests/ui/coroutine/clone-impl.stderr index b454846faac..5330d3bbd39 100644 --- a/tests/ui/coroutine/clone-impl.stderr +++ b/tests/ui/coroutine/clone-impl.stderr @@ -1,76 +1,76 @@ -error[E0277]: the trait bound `Vec<u32>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:40:23: 40:30}` - --> $DIR/clone-impl.rs:46:5 +error[E0277]: the trait bound `Vec<u32>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}` + --> $DIR/clone-impl.rs:49:5 | -LL | let gen_clone_0 = move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:40:23: 40:30}` +LL | move || { + | ------- within this `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}` ... LL | check_copy(&gen_clone_0); - | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:40:23: 40:30}`, the trait `Copy` is not implemented for `Vec<u32>`, which is required by `{coroutine@$DIR/clone-impl.rs:40:23: 40:30}: Copy` + | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}`, the trait `Copy` is not implemented for `Vec<u32>`, which is required by `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}: Copy` | note: captured value does not implement `Copy` - --> $DIR/clone-impl.rs:44:14 + --> $DIR/clone-impl.rs:47:14 | LL | drop(clonable_0); | ^^^^^^^^^^ has type `Vec<u32>` which does not implement `Copy` note: required by a bound in `check_copy` - --> $DIR/clone-impl.rs:84:18 + --> $DIR/clone-impl.rs:89:18 | LL | fn check_copy<T: Copy>(_x: &T) {} | ^^^^ required by this bound in `check_copy` -error[E0277]: the trait bound `Vec<char>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:40:23: 40:30}` - --> $DIR/clone-impl.rs:46:5 +error[E0277]: the trait bound `Vec<char>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}` + --> $DIR/clone-impl.rs:49:5 | -LL | let gen_clone_0 = move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:40:23: 40:30}` +LL | move || { + | ------- within this `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}` ... LL | check_copy(&gen_clone_0); - | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:40:23: 40:30}`, the trait `Copy` is not implemented for `Vec<char>`, which is required by `{coroutine@$DIR/clone-impl.rs:40:23: 40:30}: Copy` + | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}`, the trait `Copy` is not implemented for `Vec<char>`, which is required by `{coroutine@$DIR/clone-impl.rs:43:5: 43:12}: Copy` | note: coroutine does not implement `Copy` as this value is used across a yield - --> $DIR/clone-impl.rs:42:9 + --> $DIR/clone-impl.rs:45:9 | LL | let v = vec!['a']; | - has type `Vec<char>` which does not implement `Copy` LL | yield; | ^^^^^ yield occurs here, with `v` maybe used later note: required by a bound in `check_copy` - --> $DIR/clone-impl.rs:84:18 + --> $DIR/clone-impl.rs:89:18 | LL | fn check_copy<T: Copy>(_x: &T) {} | ^^^^ required by this bound in `check_copy` -error[E0277]: the trait bound `Vec<u32>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:54:23: 54:30}` - --> $DIR/clone-impl.rs:66:5 +error[E0277]: the trait bound `Vec<u32>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}` + --> $DIR/clone-impl.rs:70:5 | -LL | let gen_clone_1 = move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:54:23: 54:30}` +LL | move || { + | ------- within this `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}` ... LL | check_copy(&gen_clone_1); - | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:54:23: 54:30}`, the trait `Copy` is not implemented for `Vec<u32>`, which is required by `{coroutine@$DIR/clone-impl.rs:54:23: 54:30}: Copy` + | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}`, the trait `Copy` is not implemented for `Vec<u32>`, which is required by `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}: Copy` | note: captured value does not implement `Copy` - --> $DIR/clone-impl.rs:64:14 + --> $DIR/clone-impl.rs:68:14 | LL | drop(clonable_1); | ^^^^^^^^^^ has type `Vec<u32>` which does not implement `Copy` note: required by a bound in `check_copy` - --> $DIR/clone-impl.rs:84:18 + --> $DIR/clone-impl.rs:89:18 | LL | fn check_copy<T: Copy>(_x: &T) {} | ^^^^ required by this bound in `check_copy` -error[E0277]: the trait bound `Vec<char>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:54:23: 54:30}` - --> $DIR/clone-impl.rs:66:5 +error[E0277]: the trait bound `Vec<char>: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}` + --> $DIR/clone-impl.rs:70:5 | -LL | let gen_clone_1 = move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:54:23: 54:30}` +LL | move || { + | ------- within this `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}` ... LL | check_copy(&gen_clone_1); - | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:54:23: 54:30}`, the trait `Copy` is not implemented for `Vec<char>`, which is required by `{coroutine@$DIR/clone-impl.rs:54:23: 54:30}: Copy` + | ^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}`, the trait `Copy` is not implemented for `Vec<char>`, which is required by `{coroutine@$DIR/clone-impl.rs:58:5: 58:12}: Copy` | note: coroutine does not implement `Copy` as this value is used across a yield - --> $DIR/clone-impl.rs:60:9 + --> $DIR/clone-impl.rs:64:9 | LL | let v = vec!['a']; | - has type `Vec<char>` which does not implement `Copy` @@ -78,27 +78,27 @@ LL | let v = vec!['a']; LL | yield; | ^^^^^ yield occurs here, with `v` maybe used later note: required by a bound in `check_copy` - --> $DIR/clone-impl.rs:84:18 + --> $DIR/clone-impl.rs:89:18 | LL | fn check_copy<T: Copy>(_x: &T) {} | ^^^^ required by this bound in `check_copy` -error[E0277]: the trait bound `NonClone: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:74:25: 74:32}` - --> $DIR/clone-impl.rs:78:5 +error[E0277]: the trait bound `NonClone: Copy` is not satisfied in `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}` + --> $DIR/clone-impl.rs:83:5 | -LL | let gen_non_clone = move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:74:25: 74:32}` +LL | move || { + | ------- within this `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}` ... LL | check_copy(&gen_non_clone); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:74:25: 74:32}`, the trait `Copy` is not implemented for `NonClone`, which is required by `{coroutine@$DIR/clone-impl.rs:74:25: 74:32}: Copy` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}`, the trait `Copy` is not implemented for `NonClone`, which is required by `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}: Copy` | note: captured value does not implement `Copy` - --> $DIR/clone-impl.rs:76:14 + --> $DIR/clone-impl.rs:81:14 | LL | drop(non_clonable); | ^^^^^^^^^^^^ has type `NonClone` which does not implement `Copy` note: required by a bound in `check_copy` - --> $DIR/clone-impl.rs:84:18 + --> $DIR/clone-impl.rs:89:18 | LL | fn check_copy<T: Copy>(_x: &T) {} | ^^^^ required by this bound in `check_copy` @@ -108,22 +108,22 @@ LL + #[derive(Copy)] LL | struct NonClone; | -error[E0277]: the trait bound `NonClone: Clone` is not satisfied in `{coroutine@$DIR/clone-impl.rs:74:25: 74:32}` - --> $DIR/clone-impl.rs:80:5 +error[E0277]: the trait bound `NonClone: Clone` is not satisfied in `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}` + --> $DIR/clone-impl.rs:85:5 | -LL | let gen_non_clone = move || { - | ------- within this `{coroutine@$DIR/clone-impl.rs:74:25: 74:32}` +LL | move || { + | ------- within this `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}` ... LL | check_clone(&gen_non_clone); - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:74:25: 74:32}`, the trait `Clone` is not implemented for `NonClone`, which is required by `{coroutine@$DIR/clone-impl.rs:74:25: 74:32}: Clone` + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ within `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}`, the trait `Clone` is not implemented for `NonClone`, which is required by `{coroutine@$DIR/clone-impl.rs:79:5: 79:12}: Clone` | note: captured value does not implement `Clone` - --> $DIR/clone-impl.rs:76:14 + --> $DIR/clone-impl.rs:81:14 | LL | drop(non_clonable); | ^^^^^^^^^^^^ has type `NonClone` which does not implement `Clone` note: required by a bound in `check_clone` - --> $DIR/clone-impl.rs:85:19 + --> $DIR/clone-impl.rs:90:19 | LL | fn check_clone<T: Clone>(_x: &T) {} | ^^^^^ required by this bound in `check_clone` diff --git a/tests/ui/coroutine/clone-rpit.next.stderr b/tests/ui/coroutine/clone-rpit.next.stderr index 41aa2d63af0..c223f1f211a 100644 --- a/tests/ui/coroutine/clone-rpit.next.stderr +++ b/tests/ui/coroutine/clone-rpit.next.stderr @@ -5,32 +5,32 @@ LL | pub fn foo<'a, 'b>() -> impl Clone { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: ...which requires coroutine witness types for `foo::{closure#0}`... - --> $DIR/clone-rpit.rs:14:5 + --> $DIR/clone-rpit.rs:15:5 | LL | move |_: ()| { | ^^^^^^^^^^^^ note: ...which requires promoting constants in MIR for `foo::{closure#0}`... - --> $DIR/clone-rpit.rs:14:5 + --> $DIR/clone-rpit.rs:15:5 | LL | move |_: ()| { | ^^^^^^^^^^^^ note: ...which requires checking if `foo::{closure#0}` contains FFI-unwind calls... - --> $DIR/clone-rpit.rs:14:5 + --> $DIR/clone-rpit.rs:15:5 | LL | move |_: ()| { | ^^^^^^^^^^^^ note: ...which requires building MIR for `foo::{closure#0}`... - --> $DIR/clone-rpit.rs:14:5 + --> $DIR/clone-rpit.rs:15:5 | LL | move |_: ()| { | ^^^^^^^^^^^^ note: ...which requires match-checking `foo::{closure#0}`... - --> $DIR/clone-rpit.rs:14:5 + --> $DIR/clone-rpit.rs:15:5 | LL | move |_: ()| { | ^^^^^^^^^^^^ note: ...which requires type-checking `foo::{closure#0}`... - --> $DIR/clone-rpit.rs:14:5 + --> $DIR/clone-rpit.rs:15:5 | LL | move |_: ()| { | ^^^^^^^^^^^^ diff --git a/tests/ui/coroutine/clone-rpit.rs b/tests/ui/coroutine/clone-rpit.rs index 0df9bf61601..66569b4f427 100644 --- a/tests/ui/coroutine/clone-rpit.rs +++ b/tests/ui/coroutine/clone-rpit.rs @@ -11,6 +11,7 @@ // witness types, which we don't know until after borrowck. When we later check // the goal for correctness, we want to be able to bind the `impl Clone` opaque. pub fn foo<'a, 'b>() -> impl Clone { + #[coroutine] move |_: ()| { let () = yield (); } diff --git a/tests/ui/coroutine/conditional-drop.rs b/tests/ui/coroutine/conditional-drop.rs index 65d3a9e701e..52e1b561946 100644 --- a/tests/ui/coroutine/conditional-drop.rs +++ b/tests/ui/coroutine/conditional-drop.rs @@ -3,7 +3,7 @@ //@ revisions: default nomiropt //@[nomiropt]compile-flags: -Z mir-opt-level=0 -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::pin::Pin; @@ -29,7 +29,7 @@ fn main() { } fn t1() { - let mut a = || { + let mut a = #[coroutine] || { let b = B; if test() { drop(b); @@ -45,7 +45,7 @@ fn t1() { } fn t2() { - let mut a = || { + let mut a = #[coroutine] || { let b = B; if test2() { drop(b); diff --git a/tests/ui/coroutine/control-flow.rs b/tests/ui/coroutine/control-flow.rs index 9070ba17856..f64b6f73883 100644 --- a/tests/ui/coroutine/control-flow.rs +++ b/tests/ui/coroutine/control-flow.rs @@ -3,7 +3,7 @@ //@ revisions: default nomiropt //@[nomiropt]compile-flags: -Z mir-opt-level=0 -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{CoroutineState, Coroutine}; use std::pin::Pin; @@ -24,25 +24,25 @@ fn finish<T>(mut amt: usize, mut t: T) -> T::Return } fn main() { - finish(1, || yield); - finish(8, || { + finish(1, #[coroutine] || yield); + finish(8, #[coroutine] || { for _ in 0..8 { yield; } }); - finish(1, || { + finish(1, #[coroutine] || { if true { yield; } else { } }); - finish(1, || { + finish(1, #[coroutine] || { if false { } else { yield; } }); - finish(2, || { + finish(2, #[coroutine] || { if { yield; false } { yield; panic!() diff --git a/tests/ui/coroutine/coroutine-region-requirements.rs b/tests/ui/coroutine/coroutine-region-requirements.rs index 8bc34fdd2f0..ab6f16995e2 100644 --- a/tests/ui/coroutine/coroutine-region-requirements.rs +++ b/tests/ui/coroutine/coroutine-region-requirements.rs @@ -1,9 +1,9 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; fn dangle(x: &mut i32) -> &'static mut i32 { - let mut g = || { + let mut g = #[coroutine] || { yield; x }; diff --git a/tests/ui/coroutine/coroutine-resume-after-panic.rs b/tests/ui/coroutine/coroutine-resume-after-panic.rs index 8445bf7e635..2745ebc6132 100644 --- a/tests/ui/coroutine/coroutine-resume-after-panic.rs +++ b/tests/ui/coroutine/coroutine-resume-after-panic.rs @@ -5,7 +5,7 @@ // Test that we get the correct message for resuming a panicked coroutine. -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::{ ops::Coroutine, @@ -14,7 +14,7 @@ use std::{ }; fn main() { - let mut g = || { + let mut g = #[coroutine] || { panic!(); yield; }; diff --git a/tests/ui/coroutine/coroutine-with-nll.rs b/tests/ui/coroutine/coroutine-with-nll.rs index 28a3643fbc9..fa77ab4e049 100644 --- a/tests/ui/coroutine/coroutine-with-nll.rs +++ b/tests/ui/coroutine/coroutine-with-nll.rs @@ -1,6 +1,7 @@ #![feature(coroutines)] fn main() { + #[coroutine] || { // The reference in `_a` is a Legal with NLL since it ends before the yield let _a = &mut true; diff --git a/tests/ui/coroutine/coroutine-with-nll.stderr b/tests/ui/coroutine/coroutine-with-nll.stderr index 77e8bb1f92e..3f3d51da311 100644 --- a/tests/ui/coroutine/coroutine-with-nll.stderr +++ b/tests/ui/coroutine/coroutine-with-nll.stderr @@ -1,5 +1,5 @@ error[E0626]: borrow may still be in use when coroutine yields - --> $DIR/coroutine-with-nll.rs:7:17 + --> $DIR/coroutine-with-nll.rs:8:17 | LL | let b = &mut true; | ^^^^^^^^^ diff --git a/tests/ui/coroutine/coroutine-yielding-or-returning-itself.rs b/tests/ui/coroutine/coroutine-yielding-or-returning-itself.rs index 3c91b3c9329..f3110d71d0d 100644 --- a/tests/ui/coroutine/coroutine-yielding-or-returning-itself.rs +++ b/tests/ui/coroutine/coroutine-yielding-or-returning-itself.rs @@ -1,5 +1,5 @@ #![feature(coroutine_trait)] -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] // Test that we cannot create a coroutine that returns a value of its // own type. @@ -12,7 +12,7 @@ pub fn want_cyclic_coroutine_return<T>(_: T) } fn supply_cyclic_coroutine_return() { - want_cyclic_coroutine_return(|| { + want_cyclic_coroutine_return(#[coroutine] || { //~^ ERROR type mismatch if false { yield None.unwrap(); } None.unwrap() @@ -25,7 +25,7 @@ pub fn want_cyclic_coroutine_yield<T>(_: T) } fn supply_cyclic_coroutine_yield() { - want_cyclic_coroutine_yield(|| { + want_cyclic_coroutine_yield(#[coroutine] || { //~^ ERROR type mismatch if false { yield None.unwrap(); } None.unwrap() diff --git a/tests/ui/coroutine/coroutine-yielding-or-returning-itself.stderr b/tests/ui/coroutine/coroutine-yielding-or-returning-itself.stderr index 325030524ba..32799148ae1 100644 --- a/tests/ui/coroutine/coroutine-yielding-or-returning-itself.stderr +++ b/tests/ui/coroutine/coroutine-yielding-or-returning-itself.stderr @@ -1,8 +1,8 @@ -error[E0271]: type mismatch resolving `<{coroutine@$DIR/coroutine-yielding-or-returning-itself.rs:15:34: 15:36} as Coroutine>::Return == {coroutine@$DIR/coroutine-yielding-or-returning-itself.rs:15:34: 15:36}` - --> $DIR/coroutine-yielding-or-returning-itself.rs:15:34 +error[E0271]: type mismatch resolving `<{coroutine@$DIR/coroutine-yielding-or-returning-itself.rs:15:47: 15:49} as Coroutine>::Return == {coroutine@$DIR/coroutine-yielding-or-returning-itself.rs:15:47: 15:49}` + --> $DIR/coroutine-yielding-or-returning-itself.rs:15:47 | -LL | want_cyclic_coroutine_return(|| { - | _____----------------------------_^ +LL | want_cyclic_coroutine_return(#[coroutine] || { + | _____----------------------------______________^ | | | | | required by a bound introduced by this call LL | | @@ -23,11 +23,11 @@ LL | pub fn want_cyclic_coroutine_return<T>(_: T) LL | where T: Coroutine<Yield = (), Return = T> | ^^^^^^^^^^ required by this bound in `want_cyclic_coroutine_return` -error[E0271]: type mismatch resolving `<{coroutine@$DIR/coroutine-yielding-or-returning-itself.rs:28:33: 28:35} as Coroutine>::Yield == {coroutine@$DIR/coroutine-yielding-or-returning-itself.rs:28:33: 28:35}` - --> $DIR/coroutine-yielding-or-returning-itself.rs:28:33 +error[E0271]: type mismatch resolving `<{coroutine@$DIR/coroutine-yielding-or-returning-itself.rs:28:46: 28:48} as Coroutine>::Yield == {coroutine@$DIR/coroutine-yielding-or-returning-itself.rs:28:46: 28:48}` + --> $DIR/coroutine-yielding-or-returning-itself.rs:28:46 | -LL | want_cyclic_coroutine_yield(|| { - | _____---------------------------_^ +LL | want_cyclic_coroutine_yield(#[coroutine] || { + | _____---------------------------______________^ | | | | | required by a bound introduced by this call LL | | diff --git a/tests/ui/coroutine/derived-drop-parent-expr.rs b/tests/ui/coroutine/derived-drop-parent-expr.rs index f70a732c90f..cc217e4960e 100644 --- a/tests/ui/coroutine/derived-drop-parent-expr.rs +++ b/tests/ui/coroutine/derived-drop-parent-expr.rs @@ -1,7 +1,7 @@ //@ build-pass //! Like drop-tracking-parent-expression, but also tests that this doesn't ICE when building MIR -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn assert_send<T: Send>(_thing: T) {} @@ -9,8 +9,8 @@ fn assert_send<T: Send>(_thing: T) {} pub struct Client { pub nickname: String } fn main() { - let g = move || match drop(Client { ..Client::default() }) { - _status => yield, - }; + let g = #[coroutine] move || match drop(Client { ..Client::default() }) { + _status => yield, + }; assert_send(g); } diff --git a/tests/ui/coroutine/discriminant.rs b/tests/ui/coroutine/discriminant.rs index a44d8f74746..d6879e21825 100644 --- a/tests/ui/coroutine/discriminant.rs +++ b/tests/ui/coroutine/discriminant.rs @@ -86,7 +86,7 @@ fn cycle( fn main() { // Has only one invalid discr. value. let gen_u8_tiny_niche = || { - || { + #[coroutine] || { // 3 reserved variants yield250!(); // 253 variants @@ -98,7 +98,7 @@ fn main() { // Uses all values in the u8 discriminant. let gen_u8_full = || { - || { + #[coroutine] || { // 3 reserved variants yield250!(); // 253 variants @@ -111,7 +111,7 @@ fn main() { // Barely needs a u16 discriminant. let gen_u16 = || { - || { + #[coroutine] || { // 3 reserved variants yield250!(); // 253 variants diff --git a/tests/ui/coroutine/drop-and-replace.rs b/tests/ui/coroutine/drop-and-replace.rs index 6e30d76512b..d3d7e000020 100644 --- a/tests/ui/coroutine/drop-and-replace.rs +++ b/tests/ui/coroutine/drop-and-replace.rs @@ -4,7 +4,7 @@ // #60187, this produced incorrect code for coroutines when a saved local was // re-assigned. -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; @@ -17,7 +17,8 @@ impl Drop for Foo { } fn main() { - let mut a = || { + let mut a = #[coroutine] + || { let mut x = Foo(4); yield; assert_eq!(x.0, 4); diff --git a/tests/ui/coroutine/drop-control-flow.rs b/tests/ui/coroutine/drop-control-flow.rs index f4e8eed4f8d..f576b1b7594 100644 --- a/tests/ui/coroutine/drop-control-flow.rs +++ b/tests/ui/coroutine/drop-control-flow.rs @@ -4,7 +4,7 @@ // and also that values that are dropped along all paths to a yield do not get // included in the coroutine type. -#![feature(coroutines, negative_impls)] +#![feature(coroutines, negative_impls, stmt_expr_attributes)] #![allow(unused_assignments, dead_code)] struct Ptr; @@ -19,7 +19,7 @@ fn assert_send<T: Send>(_: T) {} // This test case is reduced from tests/ui/drop/dynamic-drop-async.rs fn one_armed_if(arg: bool) { - let _ = || { + let _ = #[coroutine] || { let arr = [Ptr]; if arg { drop(arr); @@ -29,7 +29,7 @@ fn one_armed_if(arg: bool) { } fn two_armed_if(arg: bool) { - assert_send(|| { + assert_send(#[coroutine] || { let arr = [Ptr]; if arg { drop(arr); @@ -41,7 +41,7 @@ fn two_armed_if(arg: bool) { } fn if_let(arg: Option<i32>) { - let _ = || { + let _ = #[coroutine] || { let arr = [Ptr]; if let Some(_) = arg { drop(arr); @@ -51,7 +51,7 @@ fn if_let(arg: Option<i32>) { } fn init_in_if(arg: bool) { - assert_send(|| { + assert_send(#[coroutine] || { let mut x = NonSend; drop(x); if arg { @@ -63,7 +63,7 @@ fn init_in_if(arg: bool) { } fn init_in_match_arm(arg: Option<i32>) { - assert_send(|| { + assert_send(#[coroutine] || { let mut x = NonSend; drop(x); match arg { @@ -74,7 +74,7 @@ fn init_in_match_arm(arg: Option<i32>) { } fn reinit() { - let _ = || { + let _ = #[coroutine] || { let mut arr = [Ptr]; drop(arr); arr = [Ptr]; @@ -83,7 +83,7 @@ fn reinit() { } fn loop_uninit() { - let _ = || { + let _ = #[coroutine] || { let mut arr = [Ptr]; let mut count = 0; drop(arr); @@ -96,7 +96,7 @@ fn loop_uninit() { } fn nested_loop() { - let _ = || { + let _ = #[coroutine] || { let mut arr = [Ptr]; let mut count = 0; drop(arr); @@ -111,7 +111,7 @@ fn nested_loop() { } fn loop_continue(b: bool) { - let _ = || { + let _ = #[coroutine] || { let mut arr = [Ptr]; let mut count = 0; drop(arr); diff --git a/tests/ui/coroutine/drop-env.rs b/tests/ui/coroutine/drop-env.rs index b189ab81499..d36228dc849 100644 --- a/tests/ui/coroutine/drop-env.rs +++ b/tests/ui/coroutine/drop-env.rs @@ -3,7 +3,7 @@ //@ revisions: default nomiropt //@[nomiropt]compile-flags: -Z mir-opt-level=0 -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] #![allow(dropping_copy_types)] use std::ops::Coroutine; @@ -28,7 +28,7 @@ fn main() { fn t1() { let b = B; - let mut foo = || { + let mut foo = #[coroutine] || { yield; drop(b); }; @@ -42,7 +42,7 @@ fn t1() { fn t2() { let b = B; - let mut foo = || { + let mut foo = #[coroutine] || { yield b; }; @@ -55,7 +55,7 @@ fn t2() { fn t3() { let b = B; - let foo = || { + let foo = #[coroutine] || { yield; drop(b); }; diff --git a/tests/ui/coroutine/drop-track-addassign-yield.rs b/tests/ui/coroutine/drop-track-addassign-yield.rs index b1a4bd79f31..537e66c41b2 100644 --- a/tests/ui/coroutine/drop-track-addassign-yield.rs +++ b/tests/ui/coroutine/drop-track-addassign-yield.rs @@ -3,10 +3,10 @@ // Based on addassign-yield.rs, but with drop tracking enabled. Originally we did not implement // the fake_read callback on ExprUseVisitor which caused this case to break. -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn foo() { - let _y = static || { + let _y = #[coroutine] static || { let x = &mut 0; *{ yield; @@ -17,7 +17,7 @@ fn foo() { }; // Please don't ever actually write something like this - let _z = static || { + let _z = #[coroutine] static || { let x = &mut 0; *{ let inner = &mut 1; diff --git a/tests/ui/coroutine/drop-tracking-parent-expression.rs b/tests/ui/coroutine/drop-tracking-parent-expression.rs index 4d40192c07a..0f4d99c8936 100644 --- a/tests/ui/coroutine/drop-tracking-parent-expression.rs +++ b/tests/ui/coroutine/drop-tracking-parent-expression.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, negative_impls, rustc_attrs)] +#![feature(coroutines, negative_impls, rustc_attrs, stmt_expr_attributes)] macro_rules! type_combinations { ( @@ -14,7 +14,7 @@ macro_rules! type_combinations { // Struct update syntax. This fails because the Client used in the update is considered // dropped *after* the yield. { - let g = move || match drop($name::Client { ..$name::Client::default() }) { + let g = #[coroutine] move || match drop($name::Client { ..$name::Client::default() }) { //~^ `significant_drop::Client` which is not `Send` //~| `insignificant_dtor::Client` which is not `Send` //~| `derived_drop::Client` which is not `Send` @@ -29,7 +29,7 @@ macro_rules! type_combinations { // Simple owned value. This works because the Client is considered moved into `drop`, // even though the temporary expression doesn't end until after the yield. { - let g = move || match drop($name::Client::default()) { + let g = #[coroutine] move || match drop($name::Client::default()) { _ => yield, }; assert_send(g); diff --git a/tests/ui/coroutine/drop-tracking-parent-expression.stderr b/tests/ui/coroutine/drop-tracking-parent-expression.stderr index 21aa35b9579..5f8d8495e4f 100644 --- a/tests/ui/coroutine/drop-tracking-parent-expression.stderr +++ b/tests/ui/coroutine/drop-tracking-parent-expression.stderr @@ -13,12 +13,12 @@ LL | | }; LL | | ); | |_____- in this macro invocation | - = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `derived_drop::Client`, which is required by `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}: Send` + = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:34: 17:41}`, the trait `Send` is not implemented for `derived_drop::Client`, which is required by `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:34: 17:41}: Send` note: coroutine is not `Send` as this value is used across a yield --> $DIR/drop-tracking-parent-expression.rs:21:22 | -LL | let g = move || match drop($name::Client { ..$name::Client::default() }) { - | ------------------------ has type `derived_drop::Client` which is not `Send` +LL | let g = #[coroutine] move || match drop($name::Client { ..$name::Client::default() }) { + | ------------------------ has type `derived_drop::Client` which is not `Send` ... LL | _ => yield, | ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later @@ -53,12 +53,12 @@ LL | | }; LL | | ); | |_____- in this macro invocation | - = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `significant_drop::Client`, which is required by `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}: Send` + = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:34: 17:41}`, the trait `Send` is not implemented for `significant_drop::Client`, which is required by `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:34: 17:41}: Send` note: coroutine is not `Send` as this value is used across a yield --> $DIR/drop-tracking-parent-expression.rs:21:22 | -LL | let g = move || match drop($name::Client { ..$name::Client::default() }) { - | ------------------------ has type `significant_drop::Client` which is not `Send` +LL | let g = #[coroutine] move || match drop($name::Client { ..$name::Client::default() }) { + | ------------------------ has type `significant_drop::Client` which is not `Send` ... LL | _ => yield, | ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later @@ -93,12 +93,12 @@ LL | | }; LL | | ); | |_____- in this macro invocation | - = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `insignificant_dtor::Client`, which is required by `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:21: 17:28}: Send` + = help: within `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:34: 17:41}`, the trait `Send` is not implemented for `insignificant_dtor::Client`, which is required by `{coroutine@$DIR/drop-tracking-parent-expression.rs:17:34: 17:41}: Send` note: coroutine is not `Send` as this value is used across a yield --> $DIR/drop-tracking-parent-expression.rs:21:22 | -LL | let g = move || match drop($name::Client { ..$name::Client::default() }) { - | ------------------------ has type `insignificant_dtor::Client` which is not `Send` +LL | let g = #[coroutine] move || match drop($name::Client { ..$name::Client::default() }) { + | ------------------------ has type `insignificant_dtor::Client` which is not `Send` ... LL | _ => yield, | ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later diff --git a/tests/ui/coroutine/drop-tracking-yielding-in-match-guards.rs b/tests/ui/coroutine/drop-tracking-yielding-in-match-guards.rs index 0f94016f11b..43e42fa85f7 100644 --- a/tests/ui/coroutine/drop-tracking-yielding-in-match-guards.rs +++ b/tests/ui/coroutine/drop-tracking-yielding-in-match-guards.rs @@ -1,10 +1,10 @@ //@ build-pass //@ edition:2018 -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn main() { - let _ = static |x: u8| match x { + let _ = #[coroutine] static |x: u8| match x { y if { yield } == y + 1 => (), _ => (), }; diff --git a/tests/ui/coroutine/drop-yield-twice.rs b/tests/ui/coroutine/drop-yield-twice.rs index 015343a2776..7ac1345b2ff 100644 --- a/tests/ui/coroutine/drop-yield-twice.rs +++ b/tests/ui/coroutine/drop-yield-twice.rs @@ -1,10 +1,10 @@ -#![feature(negative_impls, coroutines)] +#![feature(negative_impls, coroutines, stmt_expr_attributes)] struct Foo(i32); impl !Send for Foo {} fn main() { - assert_send(|| { //~ ERROR coroutine cannot be sent between threads safely + assert_send(#[coroutine] || { //~ ERROR coroutine cannot be sent between threads safely let guard = Foo(42); yield; drop(guard); diff --git a/tests/ui/coroutine/drop-yield-twice.stderr b/tests/ui/coroutine/drop-yield-twice.stderr index c6a9e20b8b5..362c6e943ad 100644 --- a/tests/ui/coroutine/drop-yield-twice.stderr +++ b/tests/ui/coroutine/drop-yield-twice.stderr @@ -1,7 +1,7 @@ error: coroutine cannot be sent between threads safely --> $DIR/drop-yield-twice.rs:7:5 | -LL | / assert_send(|| { +LL | / assert_send(#[coroutine] || { LL | | let guard = Foo(42); LL | | yield; LL | | drop(guard); @@ -9,7 +9,7 @@ LL | | yield; LL | | }) | |______^ coroutine is not `Send` | - = help: within `{coroutine@$DIR/drop-yield-twice.rs:7:17: 7:19}`, the trait `Send` is not implemented for `Foo`, which is required by `{coroutine@$DIR/drop-yield-twice.rs:7:17: 7:19}: Send` + = help: within `{coroutine@$DIR/drop-yield-twice.rs:7:30: 7:32}`, the trait `Send` is not implemented for `Foo`, which is required by `{coroutine@$DIR/drop-yield-twice.rs:7:30: 7:32}: Send` note: coroutine is not `Send` as this value is used across a yield --> $DIR/drop-yield-twice.rs:9:9 | diff --git a/tests/ui/coroutine/dropck-resume.rs b/tests/ui/coroutine/dropck-resume.rs index 07ca4d37aba..df014400f00 100644 --- a/tests/ui/coroutine/dropck-resume.rs +++ b/tests/ui/coroutine/dropck-resume.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; @@ -16,7 +16,8 @@ fn drop_using_coroutine() -> i32 { let z = &mut y; let r; { - let mut g = move |r| { + let mut g = #[coroutine] + move |r| { let _s = SetToNone(r); yield; }; diff --git a/tests/ui/coroutine/dropck-resume.stderr b/tests/ui/coroutine/dropck-resume.stderr index aa6e423c760..e9243ffa41e 100644 --- a/tests/ui/coroutine/dropck-resume.stderr +++ b/tests/ui/coroutine/dropck-resume.stderr @@ -1,5 +1,5 @@ error[E0502]: cannot borrow `y` as immutable because it is also borrowed as mutable - --> $DIR/dropck-resume.rs:25:13 + --> $DIR/dropck-resume.rs:26:13 | LL | let z = &mut y; | ------ mutable borrow occurs here diff --git a/tests/ui/coroutine/dropck.rs b/tests/ui/coroutine/dropck.rs index 450361c8dd0..9331c1fa1d5 100644 --- a/tests/ui/coroutine/dropck.rs +++ b/tests/ui/coroutine/dropck.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::cell::RefCell; use std::ops::Coroutine; @@ -10,7 +10,8 @@ fn main() { let ref_ = Box::leak(Box::new(Some(cell.borrow_mut()))); //~^ ERROR `*cell` does not live long enough [E0597] // the upvar is the non-dropck `&mut Option<Ref<'a, i32>>`. - gen = || { + gen = #[coroutine] + || { // but the coroutine can use it to drop a `Ref<'a, i32>`. let _d = ref_.take(); //~ ERROR `ref_` does not live long enough yield; diff --git a/tests/ui/coroutine/dropck.stderr b/tests/ui/coroutine/dropck.stderr index 241d6dfe0a1..d6cd7c4cd47 100644 --- a/tests/ui/coroutine/dropck.stderr +++ b/tests/ui/coroutine/dropck.stderr @@ -16,10 +16,10 @@ LL | } = note: values in a scope are dropped in the opposite order they are defined error[E0597]: `ref_` does not live long enough - --> $DIR/dropck.rs:15:18 + --> $DIR/dropck.rs:16:18 | -LL | gen = || { - | -- value captured here by coroutine +LL | || { + | -- value captured here by coroutine LL | // but the coroutine can use it to drop a `Ref<'a, i32>`. LL | let _d = ref_.take(); | ^^^^ borrowed value does not live long enough diff --git a/tests/ui/coroutine/gen_block.e2024.stderr b/tests/ui/coroutine/gen_block.e2024.stderr index 2b9eb4a820b..322259cf2f8 100644 --- a/tests/ui/coroutine/gen_block.e2024.stderr +++ b/tests/ui/coroutine/gen_block.e2024.stderr @@ -1,5 +1,25 @@ +error[E0658]: the `#[coroutines]` attribute is an experimental feature + --> $DIR/gen_block.rs:20:13 + | +LL | let _ = #[coroutine] || yield true; + | ^^^^^^^^^^^^ + | + = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information + = help: add `#![feature(coroutines)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: the `#[coroutines]` attribute is an experimental feature + --> $DIR/gen_block.rs:24:13 + | +LL | let _ = #[coroutine] || {}; + | ^^^^^^^^^^^^ + | + = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information + = help: add `#![feature(coroutines)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + error[E0658]: yield syntax is experimental - --> $DIR/gen_block.rs:15:16 + --> $DIR/gen_block.rs:16:16 | LL | let _ = || yield true; | ^^^^^^^^^^ @@ -8,13 +28,34 @@ LL | let _ = || yield true; = help: add `#![feature(coroutines)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/gen_block.rs:16:16 + | +LL | let _ = || yield true; + | ^^^^^^^^^^ + | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | let _ = #[coroutine] || yield true; + | ++++++++++++ + +error[E0658]: yield syntax is experimental + --> $DIR/gen_block.rs:20:29 + | +LL | let _ = #[coroutine] || yield true; + | ^^^^^^^^^^ + | + = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information + = help: add `#![feature(coroutines)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + error[E0282]: type annotations needed - --> $DIR/gen_block.rs:6:13 + --> $DIR/gen_block.rs:7:13 | LL | let x = gen {}; | ^^^^^^ cannot infer type -error: aborting due to 2 previous errors +error: aborting due to 6 previous errors Some errors have detailed explanations: E0282, E0658. For more information about an error, try `rustc --explain E0282`. diff --git a/tests/ui/coroutine/gen_block.none.stderr b/tests/ui/coroutine/gen_block.none.stderr index 78a8c5e798a..64fa2be003d 100644 --- a/tests/ui/coroutine/gen_block.none.stderr +++ b/tests/ui/coroutine/gen_block.none.stderr @@ -1,5 +1,5 @@ error: expected identifier, found reserved keyword `yield` - --> $DIR/gen_block.rs:9:19 + --> $DIR/gen_block.rs:10:19 | LL | let y = gen { yield 42 }; | --- ^^^^^ expected identifier, found reserved keyword @@ -7,25 +7,25 @@ LL | let y = gen { yield 42 }; | while parsing this struct error[E0422]: cannot find struct, variant or union type `gen` in this scope - --> $DIR/gen_block.rs:6:13 + --> $DIR/gen_block.rs:7:13 | LL | let x = gen {}; | ^^^ not found in this scope error[E0422]: cannot find struct, variant or union type `gen` in this scope - --> $DIR/gen_block.rs:9:13 + --> $DIR/gen_block.rs:10:13 | LL | let y = gen { yield 42 }; | ^^^ not found in this scope error[E0422]: cannot find struct, variant or union type `gen` in this scope - --> $DIR/gen_block.rs:12:5 + --> $DIR/gen_block.rs:13:5 | LL | gen {}; | ^^^ not found in this scope error[E0658]: yield syntax is experimental - --> $DIR/gen_block.rs:15:16 + --> $DIR/gen_block.rs:16:16 | LL | let _ = || yield true; | ^^^^^^^^^^ @@ -35,17 +35,69 @@ LL | let _ = || yield true; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: yield syntax is experimental - --> $DIR/gen_block.rs:15:16 + --> $DIR/gen_block.rs:20:29 + | +LL | let _ = #[coroutine] || yield true; + | ^^^^^^^^^^ + | + = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information + = help: add `#![feature(coroutines)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: the `#[coroutines]` attribute is an experimental feature + --> $DIR/gen_block.rs:20:13 + | +LL | let _ = #[coroutine] || yield true; + | ^^^^^^^^^^^^ + | + = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information + = help: add `#![feature(coroutines)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: the `#[coroutines]` attribute is an experimental feature + --> $DIR/gen_block.rs:24:13 + | +LL | let _ = #[coroutine] || {}; + | ^^^^^^^^^^^^ + | + = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information + = help: add `#![feature(coroutines)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + +error[E0658]: yield syntax is experimental + --> $DIR/gen_block.rs:16:16 + | +LL | let _ = || yield true; + | ^^^^^^^^^^ + | + = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information + = help: add `#![feature(coroutines)]` to the crate attributes to enable + = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/gen_block.rs:16:16 | LL | let _ = || yield true; | ^^^^^^^^^^ | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | let _ = #[coroutine] || yield true; + | ++++++++++++ + +error[E0658]: yield syntax is experimental + --> $DIR/gen_block.rs:20:29 + | +LL | let _ = #[coroutine] || yield true; + | ^^^^^^^^^^ + | = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information = help: add `#![feature(coroutines)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` -error: aborting due to 6 previous errors +error: aborting due to 11 previous errors Some errors have detailed explanations: E0422, E0658. For more information about an error, try `rustc --explain E0422`. diff --git a/tests/ui/coroutine/gen_block.rs b/tests/ui/coroutine/gen_block.rs index f6a775aa661..7e87a572b90 100644 --- a/tests/ui/coroutine/gen_block.rs +++ b/tests/ui/coroutine/gen_block.rs @@ -1,6 +1,7 @@ //@ revisions: e2024 none //@[e2024] compile-flags: --edition 2024 -Zunstable-options #![cfg_attr(e2024, feature(gen_blocks))] +#![feature(stmt_expr_attributes)] fn main() { let x = gen {}; @@ -14,4 +15,12 @@ fn main() { let _ = || yield true; //[none]~ ERROR yield syntax is experimental //~^ ERROR yield syntax is experimental + //~^^ ERROR `yield` can only be used in + + let _ = #[coroutine] || yield true; //[none]~ ERROR yield syntax is experimental + //~^ ERROR `#[coroutines]` attribute is an experimental feature + //~^^ ERROR yield syntax is experimental + + let _ = #[coroutine] || {}; + //~^ ERROR `#[coroutines]` attribute is an experimental feature } diff --git a/tests/ui/coroutine/issue-102645.rs b/tests/ui/coroutine/issue-102645.rs index a0263510e13..ccf82c3606a 100644 --- a/tests/ui/coroutine/issue-102645.rs +++ b/tests/ui/coroutine/issue-102645.rs @@ -1,11 +1,12 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::pin::Pin; fn main() { let mut a = 5; - let mut b = || { + let mut b = #[coroutine] + || { let d = 6; yield; _zzz(); // #break diff --git a/tests/ui/coroutine/issue-102645.stderr b/tests/ui/coroutine/issue-102645.stderr index 7a3b7f2b04c..ab5e4a8459f 100644 --- a/tests/ui/coroutine/issue-102645.stderr +++ b/tests/ui/coroutine/issue-102645.stderr @@ -1,5 +1,5 @@ error[E0061]: this method takes 1 argument but 0 arguments were supplied - --> $DIR/issue-102645.rs:14:22 + --> $DIR/issue-102645.rs:15:22 | LL | Pin::new(&mut b).resume(); | ^^^^^^-- an argument of type `()` is missing diff --git a/tests/ui/coroutine/issue-105084.rs b/tests/ui/coroutine/issue-105084.rs index 7801f1bcea0..4e40bc127d7 100644 --- a/tests/ui/coroutine/issue-105084.rs +++ b/tests/ui/coroutine/issue-105084.rs @@ -11,7 +11,8 @@ fn copy<T: Copy>(x: T) -> T { } fn main() { - let mut g = || { + let mut g = #[coroutine] + || { // This is desuraged as 4 stages: // - allocate a `*mut u8` with `exchange_malloc`; // - create a Box that is ignored for trait computations; diff --git a/tests/ui/coroutine/issue-105084.stderr b/tests/ui/coroutine/issue-105084.stderr index c8a6522dbd9..6b1701f0c2a 100644 --- a/tests/ui/coroutine/issue-105084.stderr +++ b/tests/ui/coroutine/issue-105084.stderr @@ -1,8 +1,8 @@ error[E0382]: borrow of moved value: `g` - --> $DIR/issue-105084.rs:37:14 + --> $DIR/issue-105084.rs:38:14 | -LL | let mut g = || { - | ----- move occurs because `g` has type `{coroutine@$DIR/issue-105084.rs:14:17: 14:19}`, which does not implement the `Copy` trait +LL | let mut g = #[coroutine] + | ----- move occurs because `g` has type `{coroutine@$DIR/issue-105084.rs:15:5: 15:7}`, which does not implement the `Copy` trait ... LL | let mut h = copy(g); | - value moved here @@ -22,17 +22,17 @@ help: consider cloning the value if the performance cost is acceptable LL | let mut h = copy(g.clone()); | ++++++++ -error[E0277]: the trait bound `Box<(i32, ())>: Copy` is not satisfied in `{coroutine@$DIR/issue-105084.rs:14:17: 14:19}` - --> $DIR/issue-105084.rs:31:17 +error[E0277]: the trait bound `Box<(i32, ())>: Copy` is not satisfied in `{coroutine@$DIR/issue-105084.rs:15:5: 15:7}` + --> $DIR/issue-105084.rs:32:17 | -LL | let mut g = || { - | -- within this `{coroutine@$DIR/issue-105084.rs:14:17: 14:19}` +LL | || { + | -- within this `{coroutine@$DIR/issue-105084.rs:15:5: 15:7}` ... LL | let mut h = copy(g); - | ^^^^^^^ within `{coroutine@$DIR/issue-105084.rs:14:17: 14:19}`, the trait `Copy` is not implemented for `Box<(i32, ())>`, which is required by `{coroutine@$DIR/issue-105084.rs:14:17: 14:19}: Copy` + | ^^^^^^^ within `{coroutine@$DIR/issue-105084.rs:15:5: 15:7}`, the trait `Copy` is not implemented for `Box<(i32, ())>`, which is required by `{coroutine@$DIR/issue-105084.rs:15:5: 15:7}: Copy` | note: coroutine does not implement `Copy` as this value is used across a yield - --> $DIR/issue-105084.rs:21:22 + --> $DIR/issue-105084.rs:22:22 | LL | Box::new((5, yield)); | -------------^^^^^-- diff --git a/tests/ui/coroutine/issue-110929-coroutine-conflict-error-ice.rs b/tests/ui/coroutine/issue-110929-coroutine-conflict-error-ice.rs index 3d372ac9110..300c8fe6d46 100644 --- a/tests/ui/coroutine/issue-110929-coroutine-conflict-error-ice.rs +++ b/tests/ui/coroutine/issue-110929-coroutine-conflict-error-ice.rs @@ -1,11 +1,12 @@ //@ edition:2021 //@ check-pass -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn main() { let x = &mut (); || { - let _c = || yield *&mut *x; + let _c = #[coroutine] + || yield *&mut *x; || _ = &mut *x; }; } diff --git a/tests/ui/coroutine/issue-113279.rs b/tests/ui/coroutine/issue-113279.rs index f251c924c13..98617af105c 100644 --- a/tests/ui/coroutine/issue-113279.rs +++ b/tests/ui/coroutine/issue-113279.rs @@ -1,4 +1,4 @@ -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] // `foo` attempts to dereference `""`, which results in an error being reported. Later, the // coroutine transform for `foo` then produces a union which contains a `str` type - unions should @@ -9,7 +9,8 @@ // makes sure that doesn't happen again. fn foo() { - let _y = static || { + let _y = #[coroutine] + static || { let x = &mut 0; *{ yield; diff --git a/tests/ui/coroutine/issue-113279.stderr b/tests/ui/coroutine/issue-113279.stderr index cc9b64ef9ac..a80fe670188 100644 --- a/tests/ui/coroutine/issue-113279.stderr +++ b/tests/ui/coroutine/issue-113279.stderr @@ -1,11 +1,11 @@ error[E0161]: cannot move a value of type `str` - --> $DIR/issue-113279.rs:17:20 + --> $DIR/issue-113279.rs:18:20 | LL | } += match { *"" }.len() { | ^^^^^^^ the size of `str` cannot be statically determined error[E0507]: cannot move out of a shared reference - --> $DIR/issue-113279.rs:17:22 + --> $DIR/issue-113279.rs:18:22 | LL | } += match { *"" }.len() { | ^^^ move occurs because value has type `str`, which does not implement the `Copy` trait diff --git a/tests/ui/coroutine/issue-44197.rs b/tests/ui/coroutine/issue-44197.rs index e18bcc2c996..0240f7a7eaa 100644 --- a/tests/ui/coroutine/issue-44197.rs +++ b/tests/ui/coroutine/issue-44197.rs @@ -10,7 +10,7 @@ fn foo(_: &str) -> String { } fn bar(baz: String) -> impl Coroutine<(), Yield = String, Return = ()> { - move || { + #[coroutine] move || { yield foo(&baz); } } @@ -20,7 +20,7 @@ fn foo2(_: &str) -> Result<String, ()> { } fn bar2(baz: String) -> impl Coroutine<(), Yield = String, Return = ()> { - move || { + #[coroutine] move || { if let Ok(quux) = foo2(&baz) { yield quux; } diff --git a/tests/ui/coroutine/issue-45729-unsafe-in-coroutine.rs b/tests/ui/coroutine/issue-45729-unsafe-in-coroutine.rs index dab9c81bc8f..d90886b6b1d 100644 --- a/tests/ui/coroutine/issue-45729-unsafe-in-coroutine.rs +++ b/tests/ui/coroutine/issue-45729-unsafe-in-coroutine.rs @@ -1,7 +1,8 @@ -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn main() { - let _ = || { + let _ = #[coroutine] + || { *(1 as *mut u32) = 42; //~^ ERROR dereference of raw pointer is unsafe yield; diff --git a/tests/ui/coroutine/issue-45729-unsafe-in-coroutine.stderr b/tests/ui/coroutine/issue-45729-unsafe-in-coroutine.stderr index 19949b42939..f99c295bb9e 100644 --- a/tests/ui/coroutine/issue-45729-unsafe-in-coroutine.stderr +++ b/tests/ui/coroutine/issue-45729-unsafe-in-coroutine.stderr @@ -1,5 +1,5 @@ error[E0133]: dereference of raw pointer is unsafe and requires unsafe function or block - --> $DIR/issue-45729-unsafe-in-coroutine.rs:5:9 + --> $DIR/issue-45729-unsafe-in-coroutine.rs:6:9 | LL | *(1 as *mut u32) = 42; | ^^^^^^^^^^^^^^^^ dereference of raw pointer diff --git a/tests/ui/coroutine/issue-48048.rs b/tests/ui/coroutine/issue-48048.rs index b61b7c77072..75664f20198 100644 --- a/tests/ui/coroutine/issue-48048.rs +++ b/tests/ui/coroutine/issue-48048.rs @@ -3,7 +3,7 @@ fn main() { let x = (|_| {},); - || { + #[coroutine] || { let x = x; x.0({ //~ ERROR borrow may still be in use when coroutine yields diff --git a/tests/ui/coroutine/issue-52304.rs b/tests/ui/coroutine/issue-52304.rs index 01ed181ab1d..552bc0028ee 100644 --- a/tests/ui/coroutine/issue-52304.rs +++ b/tests/ui/coroutine/issue-52304.rs @@ -5,6 +5,7 @@ use std::ops::Coroutine; pub fn example() -> impl Coroutine { + #[coroutine] || yield &1 } diff --git a/tests/ui/coroutine/issue-52398.rs b/tests/ui/coroutine/issue-52398.rs index 826ce6b9d9b..f8b2faf4eab 100644 --- a/tests/ui/coroutine/issue-52398.rs +++ b/tests/ui/coroutine/issue-52398.rs @@ -14,14 +14,14 @@ impl A { fn main() { // Test that the MIR local with type &A created for the auto-borrow adjustment // is caught by typeck - move || { //~ WARN unused coroutine that must be used + #[coroutine] move || { //~ WARN unused coroutine that must be used A.test(yield); }; // Test that the std::cell::Ref temporary returned from the `borrow` call // is caught by typeck let y = RefCell::new(true); - static move || { //~ WARN unused coroutine that must be used + #[coroutine] static move || { //~ WARN unused coroutine that must be used yield *y.borrow(); return "Done"; }; diff --git a/tests/ui/coroutine/issue-52398.stderr b/tests/ui/coroutine/issue-52398.stderr index 18d816da4c6..806690cc332 100644 --- a/tests/ui/coroutine/issue-52398.stderr +++ b/tests/ui/coroutine/issue-52398.stderr @@ -1,7 +1,8 @@ warning: unused coroutine that must be used - --> $DIR/issue-52398.rs:17:5 + --> $DIR/issue-52398.rs:17:18 | -LL | / move || { +LL | #[coroutine] move || { + | __________________^ LL | | A.test(yield); LL | | }; | |_____^ @@ -10,9 +11,10 @@ LL | | }; = note: `#[warn(unused_must_use)]` on by default warning: unused coroutine that must be used - --> $DIR/issue-52398.rs:24:5 + --> $DIR/issue-52398.rs:24:18 | -LL | / static move || { +LL | #[coroutine] static move || { + | __________________^ LL | | yield *y.borrow(); LL | | return "Done"; LL | | }; diff --git a/tests/ui/coroutine/issue-53548.rs b/tests/ui/coroutine/issue-53548.rs index 6d55994137f..3b8dff2be28 100644 --- a/tests/ui/coroutine/issue-53548.rs +++ b/tests/ui/coroutine/issue-53548.rs @@ -17,7 +17,7 @@ // //@ check-pass -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] use std::cell::RefCell; use std::rc::Rc; @@ -29,7 +29,7 @@ struct Store<C> { } fn main() { - Box::new(static move || { + Box::new(#[coroutine] static move || { let store = Store::<Box<dyn Trait>> { inner: Default::default(), }; diff --git a/tests/ui/coroutine/issue-57017.rs b/tests/ui/coroutine/issue-57017.rs index b83d916932a..19cd80ab4a6 100644 --- a/tests/ui/coroutine/issue-57017.rs +++ b/tests/ui/coroutine/issue-57017.rs @@ -1,5 +1,5 @@ //@ build-pass -#![feature(coroutines, negative_impls)] +#![feature(coroutines, negative_impls, stmt_expr_attributes)] #![allow(dropping_references, dropping_copy_types)] macro_rules! type_combinations { @@ -21,7 +21,7 @@ macro_rules! type_combinations { // This is the same bug as issue 57017, but using yield instead of await { - let g = move || match drop(&$name::unsync::Client::default()) { + let g = #[coroutine] move || match drop(&$name::unsync::Client::default()) { _status => yield, }; assert_send(g); @@ -30,7 +30,7 @@ macro_rules! type_combinations { // This tests that `Client` is properly considered to be dropped after moving it into the // function. { - let g = move || match drop($name::unsend::Client::default()) { + let g = #[coroutine] move || match drop($name::unsend::Client::default()) { _status => yield, }; assert_send(g); diff --git a/tests/ui/coroutine/issue-57084.rs b/tests/ui/coroutine/issue-57084.rs index 51b0c8e1de9..2df60550e03 100644 --- a/tests/ui/coroutine/issue-57084.rs +++ b/tests/ui/coroutine/issue-57084.rs @@ -8,7 +8,7 @@ use std::ops::Coroutine; fn with<F>(f: F) -> impl Coroutine<Yield=(), Return=()> where F: Fn() -> () { - move || { + #[coroutine] move || { loop { match f() { _ => yield, @@ -19,7 +19,7 @@ where F: Fn() -> () fn main() { let data = &vec![1]; - || { //~ WARN unused coroutine that must be used + #[coroutine] || { //~ WARN unused coroutine that must be used let _to_pin = with(move || println!("{:p}", data)); loop { yield diff --git a/tests/ui/coroutine/issue-57084.stderr b/tests/ui/coroutine/issue-57084.stderr index 9f5b79a6ae8..81bd27da919 100644 --- a/tests/ui/coroutine/issue-57084.stderr +++ b/tests/ui/coroutine/issue-57084.stderr @@ -1,7 +1,8 @@ warning: unused coroutine that must be used - --> $DIR/issue-57084.rs:22:5 + --> $DIR/issue-57084.rs:22:18 | -LL | / || { +LL | #[coroutine] || { + | __________________^ LL | | let _to_pin = with(move || println!("{:p}", data)); LL | | loop { LL | | yield diff --git a/tests/ui/coroutine/issue-57478.rs b/tests/ui/coroutine/issue-57478.rs index 5e479aaa9c1..494c2ee9843 100644 --- a/tests/ui/coroutine/issue-57478.rs +++ b/tests/ui/coroutine/issue-57478.rs @@ -1,16 +1,19 @@ //@ check-pass -#![feature(negative_impls, coroutines)] +#![feature(negative_impls, coroutines, stmt_expr_attributes)] struct Foo; impl !Send for Foo {} fn main() { - assert_send(|| { - let guard = Foo; - drop(guard); - yield; - }) + assert_send( + #[coroutine] + || { + let guard = Foo; + drop(guard); + yield; + }, + ) } fn assert_send<T: Send>(_: T) {} diff --git a/tests/ui/coroutine/issue-58888.rs b/tests/ui/coroutine/issue-58888.rs index ce45f22dd6e..6266f97ce8c 100644 --- a/tests/ui/coroutine/issue-58888.rs +++ b/tests/ui/coroutine/issue-58888.rs @@ -13,7 +13,7 @@ impl Database { } fn check_connection(&self) -> impl Coroutine<Yield = (), Return = ()> + '_ { - move || { + #[coroutine] move || { let iter = self.get_connection(); for i in iter { yield i diff --git a/tests/ui/coroutine/issue-61442-stmt-expr-with-drop.rs b/tests/ui/coroutine/issue-61442-stmt-expr-with-drop.rs index 6280b777201..6f513c250a5 100644 --- a/tests/ui/coroutine/issue-61442-stmt-expr-with-drop.rs +++ b/tests/ui/coroutine/issue-61442-stmt-expr-with-drop.rs @@ -4,7 +4,7 @@ //@ check-pass //@ edition:2018 -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; @@ -14,12 +14,14 @@ async fn drop_and_await() { } fn drop_and_yield() { - let x = || { + let x = #[coroutine] + || { String::new(); yield; }; Box::pin(x).as_mut().resume(()); - let y = static || { + let y = #[coroutine] + static || { String::new(); yield; }; diff --git a/tests/ui/coroutine/issue-64620-yield-array-element.rs b/tests/ui/coroutine/issue-64620-yield-array-element.rs index a9307d306a6..0d898d014e8 100644 --- a/tests/ui/coroutine/issue-64620-yield-array-element.rs +++ b/tests/ui/coroutine/issue-64620-yield-array-element.rs @@ -4,6 +4,7 @@ pub fn crash(arr: [usize; 1]) { yield arr[0]; //~ ERROR: yield expression outside of coroutine literal + //~^ ERROR: `yield` can only be used in } fn main() {} diff --git a/tests/ui/coroutine/issue-64620-yield-array-element.stderr b/tests/ui/coroutine/issue-64620-yield-array-element.stderr index 347532fb719..1c030c5248e 100644 --- a/tests/ui/coroutine/issue-64620-yield-array-element.stderr +++ b/tests/ui/coroutine/issue-64620-yield-array-element.stderr @@ -1,9 +1,20 @@ +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/issue-64620-yield-array-element.rs:6:5 + | +LL | yield arr[0]; + | ^^^^^^^^^^^^ + | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | #[coroutine] pub fn crash(arr: [usize; 1]) { + | ++++++++++++ + error[E0627]: yield expression outside of coroutine literal --> $DIR/issue-64620-yield-array-element.rs:6:5 | LL | yield arr[0]; | ^^^^^^^^^^^^ -error: aborting due to 1 previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0627`. diff --git a/tests/ui/coroutine/issue-68112.rs b/tests/ui/coroutine/issue-68112.rs index ccec2acc976..b296772c905 100644 --- a/tests/ui/coroutine/issue-68112.rs +++ b/tests/ui/coroutine/issue-68112.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::{ cell::RefCell, @@ -30,7 +30,7 @@ fn make_non_send_coroutine() -> impl Coroutine<Return = Arc<RefCell<i32>>> { } fn test1() { - let send_gen = || { + let send_gen = #[coroutine] || { let _non_send_gen = make_non_send_coroutine(); //~^ NOTE not `Send` yield; @@ -46,7 +46,7 @@ fn test1() { pub fn make_gen2<T>(t: T) -> impl Coroutine<Return = T> { //~^ NOTE appears within the type //~| NOTE expansion of desugaring - || { //~ NOTE used within this coroutine + #[coroutine] || { //~ NOTE used within this coroutine yield; t } @@ -57,7 +57,7 @@ fn make_non_send_coroutine2() -> impl Coroutine<Return = Arc<RefCell<i32>>> { // } fn test2() { - let send_gen = || { //~ NOTE used within this coroutine + let send_gen = #[coroutine] || { //~ NOTE used within this coroutine let _non_send_gen = make_non_send_coroutine2(); yield; }; diff --git a/tests/ui/coroutine/issue-68112.stderr b/tests/ui/coroutine/issue-68112.stderr index 443195d36a3..bcfcb5ec6e6 100644 --- a/tests/ui/coroutine/issue-68112.stderr +++ b/tests/ui/coroutine/issue-68112.stderr @@ -4,7 +4,7 @@ error: coroutine cannot be sent between threads safely LL | require_send(send_gen); | ^^^^^^^^^^^^^^^^^^^^^^ coroutine is not `Send` | - = help: the trait `Sync` is not implemented for `RefCell<i32>`, which is required by `{coroutine@$DIR/issue-68112.rs:33:20: 33:22}: Send` + = help: the trait `Sync` is not implemented for `RefCell<i32>`, which is required by `{coroutine@$DIR/issue-68112.rs:33:33: 33:35}: Send` = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead note: coroutine is not `Send` as this value is used across a yield --> $DIR/issue-68112.rs:36:9 @@ -26,14 +26,14 @@ error[E0277]: `RefCell<i32>` cannot be shared between threads safely LL | require_send(send_gen); | ^^^^^^^^^^^^^^^^^^^^^^ `RefCell<i32>` cannot be shared between threads safely | - = help: the trait `Sync` is not implemented for `RefCell<i32>`, which is required by `{coroutine@$DIR/issue-68112.rs:60:20: 60:22}: Send` + = help: the trait `Sync` is not implemented for `RefCell<i32>`, which is required by `{coroutine@$DIR/issue-68112.rs:60:33: 60:35}: Send` = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead = note: required for `Arc<RefCell<i32>>` to implement `Send` note: required because it's used within this coroutine - --> $DIR/issue-68112.rs:49:5 + --> $DIR/issue-68112.rs:49:18 | -LL | || { - | ^^ +LL | #[coroutine] || { + | ^^ note: required because it appears within the type `impl Coroutine<Return = Arc<RefCell<i32>>>` --> $DIR/issue-68112.rs:46:30 | @@ -45,10 +45,10 @@ note: required because it appears within the type `impl Coroutine<Return = Arc<R LL | fn make_non_send_coroutine2() -> impl Coroutine<Return = Arc<RefCell<i32>>> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: required because it's used within this coroutine - --> $DIR/issue-68112.rs:60:20 + --> $DIR/issue-68112.rs:60:33 | -LL | let send_gen = || { - | ^^ +LL | let send_gen = #[coroutine] || { + | ^^ note: required by a bound in `require_send` --> $DIR/issue-68112.rs:22:25 | diff --git a/tests/ui/coroutine/issue-69017.rs b/tests/ui/coroutine/issue-69017.rs index 09bbf63a986..bf69e1dfdb1 100644 --- a/tests/ui/coroutine/issue-69017.rs +++ b/tests/ui/coroutine/issue-69017.rs @@ -10,6 +10,7 @@ use std::ops::Coroutine; fn gen() -> impl Coroutine<usize> { + #[coroutine] |_: usize| { println!("-> {}", yield); } diff --git a/tests/ui/coroutine/issue-69039.rs b/tests/ui/coroutine/issue-69039.rs index fd12414c3d8..13cb50e5828 100644 --- a/tests/ui/coroutine/issue-69039.rs +++ b/tests/ui/coroutine/issue-69039.rs @@ -9,6 +9,7 @@ fn mkstr(my_name: String, my_mood: String) -> String { } fn my_scenario() -> impl Coroutine<String, Yield = &'static str, Return = String> { + #[coroutine] |_arg: String| { let my_name = yield "What is your name?"; let my_mood = yield "How are you feeling?"; diff --git a/tests/ui/coroutine/issue-87142.rs b/tests/ui/coroutine/issue-87142.rs index f5c3805842c..6c22ba3dd75 100644 --- a/tests/ui/coroutine/issue-87142.rs +++ b/tests/ui/coroutine/issue-87142.rs @@ -22,6 +22,7 @@ pub struct Context<G: 'static + CoroutineProviderAlt> { impl CoroutineProviderAlt for () { type Coro = impl Coroutine<(), Return = (), Yield = ()>; fn start(ctx: Context<Self>) -> Self::Coro { + #[coroutine] move || { match ctx { _ => (), diff --git a/tests/ui/coroutine/issue-88653.rs b/tests/ui/coroutine/issue-88653.rs index ec4c2054758..3afd12a2093 100644 --- a/tests/ui/coroutine/issue-88653.rs +++ b/tests/ui/coroutine/issue-88653.rs @@ -11,6 +11,7 @@ fn foo(bar: bool) -> impl Coroutine<(bool,)> { //~| NOTE: expected coroutine signature `fn((bool,)) -> _` //~| NOTE: in this expansion of desugaring of `impl Trait` //~| NOTE: in this expansion of desugaring of `impl Trait` + #[coroutine] |bar| { //~^ NOTE: found signature defined here if bar { diff --git a/tests/ui/coroutine/issue-91477.rs b/tests/ui/coroutine/issue-91477.rs index c98546f7971..c215fd7948f 100644 --- a/tests/ui/coroutine/issue-91477.rs +++ b/tests/ui/coroutine/issue-91477.rs @@ -2,6 +2,7 @@ fn foo() -> impl Sized { yield 1; //~ ERROR E0627 + //~^ ERROR: `yield` can only be used in } fn main() {} diff --git a/tests/ui/coroutine/issue-91477.stderr b/tests/ui/coroutine/issue-91477.stderr index ca8e43d8a26..5e2151c4c35 100644 --- a/tests/ui/coroutine/issue-91477.stderr +++ b/tests/ui/coroutine/issue-91477.stderr @@ -1,9 +1,20 @@ +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/issue-91477.rs:4:5 + | +LL | yield 1; + | ^^^^^^^ + | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | #[coroutine] fn foo() -> impl Sized { + | ++++++++++++ + error[E0627]: yield expression outside of coroutine literal --> $DIR/issue-91477.rs:4:5 | LL | yield 1; | ^^^^^^^ -error: aborting due to 1 previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0627`. diff --git a/tests/ui/coroutine/iterator-count.rs b/tests/ui/coroutine/iterator-count.rs index bb202ab2d33..1ca8ceaed2a 100644 --- a/tests/ui/coroutine/iterator-count.rs +++ b/tests/ui/coroutine/iterator-count.rs @@ -21,6 +21,7 @@ impl<T: Coroutine<(), Return = ()> + Unpin> Iterator for W<T> { } fn test() -> impl Coroutine<(), Return = (), Yield = u8> + Unpin { + #[coroutine] || { for i in 1..6 { yield i @@ -32,6 +33,7 @@ fn main() { let end = 11; let closure_test = |start| { + #[coroutine] move || { for i in start..end { yield i diff --git a/tests/ui/coroutine/live-upvar-across-yield.rs b/tests/ui/coroutine/live-upvar-across-yield.rs index 86c4716c951..d13d480dcdc 100644 --- a/tests/ui/coroutine/live-upvar-across-yield.rs +++ b/tests/ui/coroutine/live-upvar-across-yield.rs @@ -1,13 +1,13 @@ //@ run-pass -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::pin::Pin; fn main() { let b = |_| 3; - let mut a = || { + let mut a = #[coroutine] || { b(yield); }; Pin::new(&mut a).resume(()); diff --git a/tests/ui/coroutine/match-bindings.rs b/tests/ui/coroutine/match-bindings.rs index 9ea1deaab36..2a0cd9af9f3 100644 --- a/tests/ui/coroutine/match-bindings.rs +++ b/tests/ui/coroutine/match-bindings.rs @@ -9,7 +9,7 @@ enum Enum { } fn main() { - || { //~ WARN unused coroutine that must be used + #[coroutine] || { //~ WARN unused coroutine that must be used loop { if let true = true { match Enum::A(String::new()) { diff --git a/tests/ui/coroutine/match-bindings.stderr b/tests/ui/coroutine/match-bindings.stderr index a7aa6eadb95..5525bfed116 100644 --- a/tests/ui/coroutine/match-bindings.stderr +++ b/tests/ui/coroutine/match-bindings.stderr @@ -1,7 +1,8 @@ warning: unused coroutine that must be used - --> $DIR/match-bindings.rs:12:5 + --> $DIR/match-bindings.rs:12:18 | -LL | / || { +LL | #[coroutine] || { + | __________________^ LL | | loop { LL | | if let true = true { LL | | match Enum::A(String::new()) { diff --git a/tests/ui/coroutine/missing_coroutine_attr_suggestion.fixed b/tests/ui/coroutine/missing_coroutine_attr_suggestion.fixed new file mode 100644 index 00000000000..128f09a1184 --- /dev/null +++ b/tests/ui/coroutine/missing_coroutine_attr_suggestion.fixed @@ -0,0 +1,8 @@ +//@ run-rustfix + +#![feature(coroutines, gen_blocks, stmt_expr_attributes)] + +fn main() { + let _ = #[coroutine] || yield; + //~^ ERROR `yield` can only be used +} diff --git a/tests/ui/coroutine/missing_coroutine_attr_suggestion.rs b/tests/ui/coroutine/missing_coroutine_attr_suggestion.rs new file mode 100644 index 00000000000..dc952591496 --- /dev/null +++ b/tests/ui/coroutine/missing_coroutine_attr_suggestion.rs @@ -0,0 +1,8 @@ +//@ run-rustfix + +#![feature(coroutines, gen_blocks, stmt_expr_attributes)] + +fn main() { + let _ = || yield; + //~^ ERROR `yield` can only be used +} diff --git a/tests/ui/coroutine/missing_coroutine_attr_suggestion.stderr b/tests/ui/coroutine/missing_coroutine_attr_suggestion.stderr new file mode 100644 index 00000000000..8d92471a361 --- /dev/null +++ b/tests/ui/coroutine/missing_coroutine_attr_suggestion.stderr @@ -0,0 +1,13 @@ +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/missing_coroutine_attr_suggestion.rs:6:16 + | +LL | let _ = || yield; + | ^^^^^ + | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | let _ = #[coroutine] || yield; + | ++++++++++++ + +error: aborting due to 1 previous error + diff --git a/tests/ui/coroutine/nested_coroutine.rs b/tests/ui/coroutine/nested_coroutine.rs index 7ff97abf4bb..2c12ab2adad 100644 --- a/tests/ui/coroutine/nested_coroutine.rs +++ b/tests/ui/coroutine/nested_coroutine.rs @@ -1,13 +1,15 @@ //@ run-pass -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; fn main() { - let _coroutine = || { - let mut sub_coroutine = || { + let _coroutine = #[coroutine] + || { + let mut sub_coroutine = #[coroutine] + || { yield 2; }; diff --git a/tests/ui/coroutine/niche-in-coroutine.rs b/tests/ui/coroutine/niche-in-coroutine.rs index 45b920ab927..117ee9e6f03 100644 --- a/tests/ui/coroutine/niche-in-coroutine.rs +++ b/tests/ui/coroutine/niche-in-coroutine.rs @@ -2,7 +2,7 @@ //@ run-pass -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] use std::mem::size_of_val; @@ -10,7 +10,7 @@ fn take<T>(_: T) {} fn main() { let x = false; - let gen1 = || { + let gen1 = #[coroutine] || { yield; take(x); }; diff --git a/tests/ui/coroutine/non-static-is-unpin.rs b/tests/ui/coroutine/non-static-is-unpin.rs index 616a78d5fe2..b28bf197714 100644 --- a/tests/ui/coroutine/non-static-is-unpin.rs +++ b/tests/ui/coroutine/non-static-is-unpin.rs @@ -3,7 +3,7 @@ //@[next] compile-flags: -Znext-solver //@ run-pass -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] #![allow(dropping_copy_types)] use std::marker::PhantomPinned; @@ -14,7 +14,7 @@ fn assert_unpin<G: Unpin>(_: G) { fn main() { // Even though this coroutine holds a `PhantomPinned` in its environment, it // remains `Unpin`. - assert_unpin(|| { + assert_unpin(#[coroutine] || { let pinned = PhantomPinned; yield; drop(pinned); diff --git a/tests/ui/coroutine/not-send-sync.rs b/tests/ui/coroutine/not-send-sync.rs index dd6182c10de..a46dcd14e88 100644 --- a/tests/ui/coroutine/not-send-sync.rs +++ b/tests/ui/coroutine/not-send-sync.rs @@ -1,4 +1,4 @@ -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![feature(negative_impls)] struct NotSend; @@ -11,14 +11,14 @@ fn main() { fn assert_sync<T: Sync>(_: T) {} fn assert_send<T: Send>(_: T) {} - assert_sync(|| { + assert_sync(#[coroutine] || { //~^ ERROR: coroutine cannot be shared between threads safely let a = NotSync; yield; drop(a); }); - assert_send(|| { + assert_send(#[coroutine] || { //~^ ERROR: coroutine cannot be sent between threads safely let a = NotSend; yield; diff --git a/tests/ui/coroutine/not-send-sync.stderr b/tests/ui/coroutine/not-send-sync.stderr index 9228340c710..0f9cbdec130 100644 --- a/tests/ui/coroutine/not-send-sync.stderr +++ b/tests/ui/coroutine/not-send-sync.stderr @@ -1,7 +1,7 @@ error: coroutine cannot be shared between threads safely --> $DIR/not-send-sync.rs:14:5 | -LL | / assert_sync(|| { +LL | / assert_sync(#[coroutine] || { LL | | LL | | let a = NotSync; LL | | yield; @@ -9,7 +9,7 @@ LL | | drop(a); LL | | }); | |______^ coroutine is not `Sync` | - = help: within `{coroutine@$DIR/not-send-sync.rs:14:17: 14:19}`, the trait `Sync` is not implemented for `NotSync`, which is required by `{coroutine@$DIR/not-send-sync.rs:14:17: 14:19}: Sync` + = help: within `{coroutine@$DIR/not-send-sync.rs:14:30: 14:32}`, the trait `Sync` is not implemented for `NotSync`, which is required by `{coroutine@$DIR/not-send-sync.rs:14:30: 14:32}: Sync` note: coroutine is not `Sync` as this value is used across a yield --> $DIR/not-send-sync.rs:17:9 | @@ -26,7 +26,7 @@ LL | fn assert_sync<T: Sync>(_: T) {} error: coroutine cannot be sent between threads safely --> $DIR/not-send-sync.rs:21:5 | -LL | / assert_send(|| { +LL | / assert_send(#[coroutine] || { LL | | LL | | let a = NotSend; LL | | yield; @@ -34,7 +34,7 @@ LL | | drop(a); LL | | }); | |______^ coroutine is not `Send` | - = help: within `{coroutine@$DIR/not-send-sync.rs:21:17: 21:19}`, the trait `Send` is not implemented for `NotSend`, which is required by `{coroutine@$DIR/not-send-sync.rs:21:17: 21:19}: Send` + = help: within `{coroutine@$DIR/not-send-sync.rs:21:30: 21:32}`, the trait `Send` is not implemented for `NotSend`, which is required by `{coroutine@$DIR/not-send-sync.rs:21:30: 21:32}: Send` note: coroutine is not `Send` as this value is used across a yield --> $DIR/not-send-sync.rs:24:9 | diff --git a/tests/ui/coroutine/overlap-locals.rs b/tests/ui/coroutine/overlap-locals.rs index eea8595ed06..9cfa6e2a76d 100644 --- a/tests/ui/coroutine/overlap-locals.rs +++ b/tests/ui/coroutine/overlap-locals.rs @@ -1,9 +1,10 @@ //@ run-pass -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn main() { - let a = || { + let a = #[coroutine] + || { { let w: i32 = 4; yield; diff --git a/tests/ui/coroutine/panic-drops-resume.rs b/tests/ui/coroutine/panic-drops-resume.rs index 6d026e6edc8..b23666b7885 100644 --- a/tests/ui/coroutine/panic-drops-resume.rs +++ b/tests/ui/coroutine/panic-drops-resume.rs @@ -3,7 +3,7 @@ //@ run-pass //@ needs-unwind -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::panic::{catch_unwind, AssertUnwindSafe}; @@ -21,7 +21,7 @@ impl Drop for Dropper { } fn main() { - let mut gen = |_arg| { + let mut gen = #[coroutine] |_arg| { if true { panic!(); } diff --git a/tests/ui/coroutine/panic-drops.rs b/tests/ui/coroutine/panic-drops.rs index c99abdc7246..8c2cf560f2a 100644 --- a/tests/ui/coroutine/panic-drops.rs +++ b/tests/ui/coroutine/panic-drops.rs @@ -1,8 +1,7 @@ //@ run-pass //@ needs-unwind - -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::panic; @@ -25,7 +24,8 @@ fn bool_true() -> bool { fn main() { let b = B; - let mut foo = || { + let mut foo = #[coroutine] + || { if bool_true() { panic!(); } @@ -34,13 +34,12 @@ fn main() { }; assert_eq!(A.load(Ordering::SeqCst), 0); - let res = panic::catch_unwind(panic::AssertUnwindSafe(|| { - Pin::new(&mut foo).resume(()) - })); + let res = panic::catch_unwind(panic::AssertUnwindSafe(|| Pin::new(&mut foo).resume(()))); assert!(res.is_err()); assert_eq!(A.load(Ordering::SeqCst), 1); - let mut foo = || { + let mut foo = #[coroutine] + || { if bool_true() { panic!(); } @@ -49,9 +48,7 @@ fn main() { }; assert_eq!(A.load(Ordering::SeqCst), 1); - let res = panic::catch_unwind(panic::AssertUnwindSafe(|| { - Pin::new(&mut foo).resume(()) - })); + let res = panic::catch_unwind(panic::AssertUnwindSafe(|| Pin::new(&mut foo).resume(()))); assert!(res.is_err()); assert_eq!(A.load(Ordering::SeqCst), 1); } diff --git a/tests/ui/coroutine/panic-safe.rs b/tests/ui/coroutine/panic-safe.rs index 89dd09bf520..6b9b4cb33c3 100644 --- a/tests/ui/coroutine/panic-safe.rs +++ b/tests/ui/coroutine/panic-safe.rs @@ -2,14 +2,14 @@ //@ needs-unwind -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::pin::Pin; use std::panic; fn main() { - let mut foo = || { + let mut foo = #[coroutine] || { if true { panic!(); } diff --git a/tests/ui/coroutine/parent-expression.rs b/tests/ui/coroutine/parent-expression.rs index 4d40192c07a..0f4d99c8936 100644 --- a/tests/ui/coroutine/parent-expression.rs +++ b/tests/ui/coroutine/parent-expression.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, negative_impls, rustc_attrs)] +#![feature(coroutines, negative_impls, rustc_attrs, stmt_expr_attributes)] macro_rules! type_combinations { ( @@ -14,7 +14,7 @@ macro_rules! type_combinations { // Struct update syntax. This fails because the Client used in the update is considered // dropped *after* the yield. { - let g = move || match drop($name::Client { ..$name::Client::default() }) { + let g = #[coroutine] move || match drop($name::Client { ..$name::Client::default() }) { //~^ `significant_drop::Client` which is not `Send` //~| `insignificant_dtor::Client` which is not `Send` //~| `derived_drop::Client` which is not `Send` @@ -29,7 +29,7 @@ macro_rules! type_combinations { // Simple owned value. This works because the Client is considered moved into `drop`, // even though the temporary expression doesn't end until after the yield. { - let g = move || match drop($name::Client::default()) { + let g = #[coroutine] move || match drop($name::Client::default()) { _ => yield, }; assert_send(g); diff --git a/tests/ui/coroutine/parent-expression.stderr b/tests/ui/coroutine/parent-expression.stderr index 5b3737069e6..2d817f1bfd9 100644 --- a/tests/ui/coroutine/parent-expression.stderr +++ b/tests/ui/coroutine/parent-expression.stderr @@ -13,12 +13,12 @@ LL | | }; LL | | ); | |_____- in this macro invocation | - = help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `derived_drop::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}: Send` + = help: within `{coroutine@$DIR/parent-expression.rs:17:34: 17:41}`, the trait `Send` is not implemented for `derived_drop::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:34: 17:41}: Send` note: coroutine is not `Send` as this value is used across a yield --> $DIR/parent-expression.rs:21:22 | -LL | let g = move || match drop($name::Client { ..$name::Client::default() }) { - | ------------------------ has type `derived_drop::Client` which is not `Send` +LL | let g = #[coroutine] move || match drop($name::Client { ..$name::Client::default() }) { + | ------------------------ has type `derived_drop::Client` which is not `Send` ... LL | _ => yield, | ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later @@ -53,12 +53,12 @@ LL | | }; LL | | ); | |_____- in this macro invocation | - = help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `significant_drop::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}: Send` + = help: within `{coroutine@$DIR/parent-expression.rs:17:34: 17:41}`, the trait `Send` is not implemented for `significant_drop::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:34: 17:41}: Send` note: coroutine is not `Send` as this value is used across a yield --> $DIR/parent-expression.rs:21:22 | -LL | let g = move || match drop($name::Client { ..$name::Client::default() }) { - | ------------------------ has type `significant_drop::Client` which is not `Send` +LL | let g = #[coroutine] move || match drop($name::Client { ..$name::Client::default() }) { + | ------------------------ has type `significant_drop::Client` which is not `Send` ... LL | _ => yield, | ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later @@ -93,12 +93,12 @@ LL | | }; LL | | ); | |_____- in this macro invocation | - = help: within `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}`, the trait `Send` is not implemented for `insignificant_dtor::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:21: 17:28}: Send` + = help: within `{coroutine@$DIR/parent-expression.rs:17:34: 17:41}`, the trait `Send` is not implemented for `insignificant_dtor::Client`, which is required by `{coroutine@$DIR/parent-expression.rs:17:34: 17:41}: Send` note: coroutine is not `Send` as this value is used across a yield --> $DIR/parent-expression.rs:21:22 | -LL | let g = move || match drop($name::Client { ..$name::Client::default() }) { - | ------------------------ has type `insignificant_dtor::Client` which is not `Send` +LL | let g = #[coroutine] move || match drop($name::Client { ..$name::Client::default() }) { + | ------------------------ has type `insignificant_dtor::Client` which is not `Send` ... LL | _ => yield, | ^^^^^ yield occurs here, with `$name::Client::default()` maybe used later diff --git a/tests/ui/coroutine/partial-drop.rs b/tests/ui/coroutine/partial-drop.rs index ba13544712f..9efb551c9c1 100644 --- a/tests/ui/coroutine/partial-drop.rs +++ b/tests/ui/coroutine/partial-drop.rs @@ -1,5 +1,5 @@ //@ check-pass -#![feature(negative_impls, coroutines)] +#![feature(negative_impls, coroutines, stmt_expr_attributes)] struct Foo; impl !Send for Foo {} @@ -10,25 +10,34 @@ struct Bar { } fn main() { - assert_send(|| { - let guard = Bar { foo: Foo, x: 42 }; - drop(guard.foo); - yield; - }); + assert_send( + #[coroutine] + || { + let guard = Bar { foo: Foo, x: 42 }; + drop(guard.foo); + yield; + }, + ); - assert_send(|| { - let mut guard = Bar { foo: Foo, x: 42 }; - drop(guard); - guard = Bar { foo: Foo, x: 23 }; - yield; - }); + assert_send( + #[coroutine] + || { + let mut guard = Bar { foo: Foo, x: 42 }; + drop(guard); + guard = Bar { foo: Foo, x: 23 }; + yield; + }, + ); - assert_send(|| { - let guard = Bar { foo: Foo, x: 42 }; - let Bar { foo, x } = guard; - drop(foo); - yield; - }); + assert_send( + #[coroutine] + || { + let guard = Bar { foo: Foo, x: 42 }; + let Bar { foo, x } = guard; + drop(foo); + yield; + }, + ); } fn assert_send<T: Send>(_: T) {} diff --git a/tests/ui/coroutine/partial-initialization-across-yield.rs b/tests/ui/coroutine/partial-initialization-across-yield.rs index 75ad5a22804..ab6f9c5b1e9 100644 --- a/tests/ui/coroutine/partial-initialization-across-yield.rs +++ b/tests/ui/coroutine/partial-initialization-across-yield.rs @@ -1,13 +1,13 @@ // Test that we don't allow yielding from a coroutine while a local is partially // initialized. -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] struct S { x: i32, y: i32 } struct T(i32, i32); fn test_tuple() { - let _ = || { + let _ = #[coroutine] || { let mut t: (i32, i32); t.0 = 42; //~ ERROR E0381 yield; @@ -17,7 +17,7 @@ fn test_tuple() { } fn test_tuple_struct() { - let _ = || { + let _ = #[coroutine] || { let mut t: T; t.0 = 42; //~ ERROR E0381 yield; @@ -27,7 +27,7 @@ fn test_tuple_struct() { } fn test_struct() { - let _ = || { + let _ = #[coroutine] || { let mut t: S; t.x = 42; //~ ERROR E0381 yield; diff --git a/tests/ui/coroutine/pattern-borrow.rs b/tests/ui/coroutine/pattern-borrow.rs index 76084433d47..46547504abc 100644 --- a/tests/ui/coroutine/pattern-borrow.rs +++ b/tests/ui/coroutine/pattern-borrow.rs @@ -5,7 +5,7 @@ enum Test { A(i32), B, } fn main() { } fn fun(test: Test) { - move || { + #[coroutine] move || { if let Test::A(ref _a) = test { //~ ERROR borrow may still be in use when coroutine yields yield (); _a.use_ref(); diff --git a/tests/ui/coroutine/pin-box-coroutine.rs b/tests/ui/coroutine/pin-box-coroutine.rs index 1ee6393d1d8..d030f3ef214 100644 --- a/tests/ui/coroutine/pin-box-coroutine.rs +++ b/tests/ui/coroutine/pin-box-coroutine.rs @@ -1,6 +1,6 @@ //@ run-pass -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; @@ -8,6 +8,6 @@ fn assert_coroutine<G: Coroutine>(_: G) { } fn main() { - assert_coroutine(static || yield); - assert_coroutine(Box::pin(static || yield)); + assert_coroutine(#[coroutine] static || yield); + assert_coroutine(Box::pin(#[coroutine] static || yield)); } diff --git a/tests/ui/coroutine/polymorphize-args.rs b/tests/ui/coroutine/polymorphize-args.rs index 21aa3c7aafd..5123bf412b5 100644 --- a/tests/ui/coroutine/polymorphize-args.rs +++ b/tests/ui/coroutine/polymorphize-args.rs @@ -1,14 +1,15 @@ //@ compile-flags: -Zpolymorphize=on //@ build-pass -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::pin::Pin; use std::thread; fn main() { - let mut foo = || yield; + let mut foo = #[coroutine] + || yield; thread::spawn(move || match Pin::new(&mut foo).resume(()) { s => panic!("bad state: {:?}", s), }) diff --git a/tests/ui/coroutine/print/coroutine-print-verbose-1.rs b/tests/ui/coroutine/print/coroutine-print-verbose-1.rs index 73106328618..dc0165c9194 100644 --- a/tests/ui/coroutine/print/coroutine-print-verbose-1.rs +++ b/tests/ui/coroutine/print/coroutine-print-verbose-1.rs @@ -2,7 +2,7 @@ // Same as: tests/ui/coroutine/issue-68112.stderr -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::{ cell::RefCell, @@ -30,7 +30,7 @@ fn make_non_send_coroutine() -> impl Coroutine<Return = Arc<RefCell<i32>>> { } fn test1() { - let send_gen = || { + let send_gen = #[coroutine] || { let _non_send_gen = make_non_send_coroutine(); yield; }; @@ -39,7 +39,7 @@ fn test1() { } pub fn make_gen2<T>(t: T) -> impl Coroutine<Return = T> { - || { + #[coroutine] || { yield; t } @@ -49,7 +49,7 @@ fn make_non_send_coroutine2() -> impl Coroutine<Return = Arc<RefCell<i32>>> { } fn test2() { - let send_gen = || { + let send_gen = #[coroutine] || { let _non_send_gen = make_non_send_coroutine2(); yield; }; diff --git a/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr b/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr index 37db83d57f7..934ab08cf17 100644 --- a/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr +++ b/tests/ui/coroutine/print/coroutine-print-verbose-1.stderr @@ -29,10 +29,10 @@ LL | require_send(send_gen); = note: if you want to do aliasing and mutation between multiple threads, use `std::sync::RwLock` instead = note: required for `Arc<RefCell<i32>>` to implement `Send` note: required because it's used within this coroutine - --> $DIR/coroutine-print-verbose-1.rs:42:5 + --> $DIR/coroutine-print-verbose-1.rs:42:18 | -LL | || { - | ^^ +LL | #[coroutine] || { + | ^^ note: required because it appears within the type `Opaque(DefId(0:35 ~ coroutine_print_verbose_1[75fb]::make_gen2::{opaque#0}), [Arc<RefCell<i32>>])` --> $DIR/coroutine-print-verbose-1.rs:41:30 | @@ -44,10 +44,10 @@ note: required because it appears within the type `Opaque(DefId(0:36 ~ coroutine LL | fn make_non_send_coroutine2() -> impl Coroutine<Return = Arc<RefCell<i32>>> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: required because it's used within this coroutine - --> $DIR/coroutine-print-verbose-1.rs:52:20 + --> $DIR/coroutine-print-verbose-1.rs:52:33 | -LL | let send_gen = || { - | ^^ +LL | let send_gen = #[coroutine] || { + | ^^ note: required by a bound in `require_send` --> $DIR/coroutine-print-verbose-1.rs:26:25 | diff --git a/tests/ui/coroutine/print/coroutine-print-verbose-2.rs b/tests/ui/coroutine/print/coroutine-print-verbose-2.rs index f9ea68a8cd9..ef7199cafdd 100644 --- a/tests/ui/coroutine/print/coroutine-print-verbose-2.rs +++ b/tests/ui/coroutine/print/coroutine-print-verbose-2.rs @@ -1,7 +1,7 @@ //@ compile-flags: -Zverbose-internals // Same as test/ui/coroutine/not-send-sync.rs -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![feature(negative_impls)] struct NotSend; @@ -14,14 +14,14 @@ fn main() { fn assert_sync<T: Sync>(_: T) {} fn assert_send<T: Send>(_: T) {} - assert_sync(|| { + assert_sync(#[coroutine] || { //~^ ERROR: coroutine cannot be shared between threads safely let a = NotSync; yield; drop(a); }); - assert_send(|| { + assert_send(#[coroutine] || { //~^ ERROR: coroutine cannot be sent between threads safely let a = NotSend; yield; diff --git a/tests/ui/coroutine/print/coroutine-print-verbose-2.stderr b/tests/ui/coroutine/print/coroutine-print-verbose-2.stderr index 26c9c27743c..0de53d9e1d7 100644 --- a/tests/ui/coroutine/print/coroutine-print-verbose-2.stderr +++ b/tests/ui/coroutine/print/coroutine-print-verbose-2.stderr @@ -1,7 +1,7 @@ error: coroutine cannot be shared between threads safely --> $DIR/coroutine-print-verbose-2.rs:17:5 | -LL | / assert_sync(|| { +LL | / assert_sync(#[coroutine] || { LL | | LL | | let a = NotSync; LL | | yield; @@ -26,7 +26,7 @@ LL | fn assert_sync<T: Sync>(_: T) {} error: coroutine cannot be sent between threads safely --> $DIR/coroutine-print-verbose-2.rs:24:5 | -LL | / assert_send(|| { +LL | / assert_send(#[coroutine] || { LL | | LL | | let a = NotSend; LL | | yield; diff --git a/tests/ui/coroutine/print/coroutine-print-verbose-3.rs b/tests/ui/coroutine/print/coroutine-print-verbose-3.rs index be6dbad9e1c..5dd15fc1b95 100644 --- a/tests/ui/coroutine/print/coroutine-print-verbose-3.rs +++ b/tests/ui/coroutine/print/coroutine-print-verbose-3.rs @@ -1,12 +1,13 @@ //@ compile-flags: -Zverbose-internals -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] fn main() { let x = "Type mismatch test"; - let coroutine :() = || { - //~^ ERROR mismatched types + let coroutine: () = #[coroutine] + || { + //~^ ERROR mismatched types yield 1i32; - return x + return x; }; } diff --git a/tests/ui/coroutine/print/coroutine-print-verbose-3.stderr b/tests/ui/coroutine/print/coroutine-print-verbose-3.stderr index e2973cde6d3..dce45aeae56 100644 --- a/tests/ui/coroutine/print/coroutine-print-verbose-3.stderr +++ b/tests/ui/coroutine/print/coroutine-print-verbose-3.stderr @@ -1,13 +1,12 @@ error[E0308]: mismatched types - --> $DIR/coroutine-print-verbose-3.rs:7:25 + --> $DIR/coroutine-print-verbose-3.rs:8:5 | -LL | let coroutine :() = || { - | ____________________--___^ - | | | - | | expected due to this +LL | let coroutine: () = #[coroutine] + | -- expected due to this +LL | / || { LL | | LL | | yield 1i32; -LL | | return x +LL | | return x; LL | | }; | |_____^ expected `()`, found coroutine | diff --git a/tests/ui/coroutine/reborrow-mut-upvar.rs b/tests/ui/coroutine/reborrow-mut-upvar.rs index e1f6211baeb..716781e365c 100644 --- a/tests/ui/coroutine/reborrow-mut-upvar.rs +++ b/tests/ui/coroutine/reborrow-mut-upvar.rs @@ -3,7 +3,7 @@ #![feature(coroutines)] fn _run(bar: &mut i32) { - || { //~ WARN unused coroutine that must be used + #[coroutine] || { //~ WARN unused coroutine that must be used { let _baz = &*bar; yield; diff --git a/tests/ui/coroutine/reborrow-mut-upvar.stderr b/tests/ui/coroutine/reborrow-mut-upvar.stderr index 5b614ac4be8..a05e84c5f3e 100644 --- a/tests/ui/coroutine/reborrow-mut-upvar.stderr +++ b/tests/ui/coroutine/reborrow-mut-upvar.stderr @@ -1,7 +1,8 @@ warning: unused coroutine that must be used - --> $DIR/reborrow-mut-upvar.rs:6:5 + --> $DIR/reborrow-mut-upvar.rs:6:18 | -LL | / || { +LL | #[coroutine] || { + | __________________^ LL | | { LL | | let _baz = &*bar; LL | | yield; diff --git a/tests/ui/coroutine/ref-escapes-but-not-over-yield.rs b/tests/ui/coroutine/ref-escapes-but-not-over-yield.rs index a9c13188ff3..0f9c56786da 100644 --- a/tests/ui/coroutine/ref-escapes-but-not-over-yield.rs +++ b/tests/ui/coroutine/ref-escapes-but-not-over-yield.rs @@ -1,16 +1,17 @@ -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn foo(x: &i32) { // In this case, a reference to `b` escapes the coroutine, but not // because of a yield. We see that there is no yield in the scope of // `b` and give the more generic error message. let mut a = &3; - let mut b = move || { - yield(); + let mut b = #[coroutine] + move || { + yield (); let b = 5; a = &b; //~^ ERROR borrowed data escapes outside of coroutine }; } -fn main() { } +fn main() {} diff --git a/tests/ui/coroutine/ref-escapes-but-not-over-yield.stderr b/tests/ui/coroutine/ref-escapes-but-not-over-yield.stderr index 8811faf2fad..6fa7082c0b8 100644 --- a/tests/ui/coroutine/ref-escapes-but-not-over-yield.stderr +++ b/tests/ui/coroutine/ref-escapes-but-not-over-yield.stderr @@ -1,5 +1,5 @@ error[E0521]: borrowed data escapes outside of coroutine - --> $DIR/ref-escapes-but-not-over-yield.rs:11:9 + --> $DIR/ref-escapes-but-not-over-yield.rs:12:9 | LL | let mut a = &3; | ----- `a` declared here, outside of the coroutine body diff --git a/tests/ui/coroutine/ref-upvar-not-send.rs b/tests/ui/coroutine/ref-upvar-not-send.rs index 487fdeea2da..89bb5e5495f 100644 --- a/tests/ui/coroutine/ref-upvar-not-send.rs +++ b/tests/ui/coroutine/ref-upvar-not-send.rs @@ -1,7 +1,7 @@ // For `Send` coroutines, suggest a `T: Sync` requirement for `&T` upvars, // and suggest a `T: Send` requirement for `&mut T` upvars. -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn assert_send<T: Send>(_: T) {} //~^ NOTE required by a bound in `assert_send` @@ -12,7 +12,7 @@ fn assert_send<T: Send>(_: T) {} fn main() { let x: &*mut () = &std::ptr::null_mut(); let y: &mut *mut () = &mut std::ptr::null_mut(); - assert_send(move || { + assert_send(#[coroutine] move || { //~^ ERROR coroutine cannot be sent between threads safely //~| NOTE coroutine is not `Send` yield; @@ -20,7 +20,7 @@ fn main() { }); //~^^ NOTE captured value is not `Send` because `&` references cannot be sent unless their referent is `Sync` //~| NOTE has type `&*mut ()` which is not `Send`, because `*mut ()` is not `Sync` - assert_send(move || { + assert_send(#[coroutine] move || { //~^ ERROR coroutine cannot be sent between threads safely //~| NOTE coroutine is not `Send` yield; diff --git a/tests/ui/coroutine/ref-upvar-not-send.stderr b/tests/ui/coroutine/ref-upvar-not-send.stderr index 0f91bcf4053..4c7deab3f4c 100644 --- a/tests/ui/coroutine/ref-upvar-not-send.stderr +++ b/tests/ui/coroutine/ref-upvar-not-send.stderr @@ -1,8 +1,8 @@ error: coroutine cannot be sent between threads safely - --> $DIR/ref-upvar-not-send.rs:15:17 + --> $DIR/ref-upvar-not-send.rs:15:30 | -LL | assert_send(move || { - | _________________^ +LL | assert_send(#[coroutine] move || { + | ______________________________^ LL | | LL | | LL | | yield; @@ -10,7 +10,7 @@ LL | | let _x = x; LL | | }); | |_____^ coroutine is not `Send` | - = help: the trait `Sync` is not implemented for `*mut ()`, which is required by `{coroutine@$DIR/ref-upvar-not-send.rs:15:17: 15:24}: Send` + = help: the trait `Sync` is not implemented for `*mut ()`, which is required by `{coroutine@$DIR/ref-upvar-not-send.rs:15:30: 15:37}: Send` note: captured value is not `Send` because `&` references cannot be sent unless their referent is `Sync` --> $DIR/ref-upvar-not-send.rs:19:18 | @@ -23,10 +23,10 @@ LL | fn assert_send<T: Send>(_: T) {} | ^^^^ required by this bound in `assert_send` error: coroutine cannot be sent between threads safely - --> $DIR/ref-upvar-not-send.rs:23:17 + --> $DIR/ref-upvar-not-send.rs:23:30 | -LL | assert_send(move || { - | _________________^ +LL | assert_send(#[coroutine] move || { + | ______________________________^ LL | | LL | | LL | | yield; @@ -34,7 +34,7 @@ LL | | let _y = y; LL | | }); | |_____^ coroutine is not `Send` | - = help: within `{coroutine@$DIR/ref-upvar-not-send.rs:23:17: 23:24}`, the trait `Send` is not implemented for `*mut ()`, which is required by `{coroutine@$DIR/ref-upvar-not-send.rs:23:17: 23:24}: Send` + = help: within `{coroutine@$DIR/ref-upvar-not-send.rs:23:30: 23:37}`, the trait `Send` is not implemented for `*mut ()`, which is required by `{coroutine@$DIR/ref-upvar-not-send.rs:23:30: 23:37}: Send` note: captured value is not `Send` because `&mut` references cannot be sent unless their referent is `Send` --> $DIR/ref-upvar-not-send.rs:27:18 | diff --git a/tests/ui/coroutine/reinit-in-match-guard.rs b/tests/ui/coroutine/reinit-in-match-guard.rs index 4a584204773..0a97d9fbcb2 100644 --- a/tests/ui/coroutine/reinit-in-match-guard.rs +++ b/tests/ui/coroutine/reinit-in-match-guard.rs @@ -1,11 +1,11 @@ //@ build-pass -#![feature(coroutines)] - +#![feature(coroutines, stmt_expr_attributes)] #![allow(unused_assignments, dead_code)] fn main() { - let _ = || { + let _ = #[coroutine] + || { let mut x = vec![22_usize]; std::mem::drop(x); match y() { diff --git a/tests/ui/coroutine/resume-after-return.rs b/tests/ui/coroutine/resume-after-return.rs index 81f86de641f..7028e1e81e5 100644 --- a/tests/ui/coroutine/resume-after-return.rs +++ b/tests/ui/coroutine/resume-after-return.rs @@ -1,17 +1,17 @@ //@ run-pass //@ needs-unwind +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] -#![feature(coroutines, coroutine_trait)] - -use std::ops::{CoroutineState, Coroutine}; -use std::pin::Pin; +use std::ops::{Coroutine, CoroutineState}; use std::panic; +use std::pin::Pin; fn main() { - let mut foo = || { + let mut foo = #[coroutine] + || { if true { - return + return; } yield; }; diff --git a/tests/ui/coroutine/resume-arg-late-bound.rs b/tests/ui/coroutine/resume-arg-late-bound.rs index 3c2ab41047e..e84184da631 100644 --- a/tests/ui/coroutine/resume-arg-late-bound.rs +++ b/tests/ui/coroutine/resume-arg-late-bound.rs @@ -1,14 +1,14 @@ //! Tests that we cannot produce a coroutine that accepts a resume argument //! with any lifetime and then stores it across a `yield`. -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; fn test(a: impl for<'a> Coroutine<&'a mut bool>) {} fn main() { - let gen = |arg: &mut bool| { + let gen = #[coroutine] |arg: &mut bool| { yield (); *arg = true; }; diff --git a/tests/ui/coroutine/resume-arg-late-bound.stderr b/tests/ui/coroutine/resume-arg-late-bound.stderr index 4a4ee08c529..646abaf4f7b 100644 --- a/tests/ui/coroutine/resume-arg-late-bound.stderr +++ b/tests/ui/coroutine/resume-arg-late-bound.stderr @@ -4,7 +4,7 @@ error: implementation of `Coroutine` is not general enough LL | test(gen); | ^^^^^^^^^ implementation of `Coroutine` is not general enough | - = note: `{coroutine@$DIR/resume-arg-late-bound.rs:11:15: 11:31}` must implement `Coroutine<&'1 mut bool>`, for any lifetime `'1`... + = note: `{coroutine@$DIR/resume-arg-late-bound.rs:11:28: 11:44}` must implement `Coroutine<&'1 mut bool>`, for any lifetime `'1`... = note: ...but it actually implements `Coroutine<&'2 mut bool>`, for some specific lifetime `'2` error: aborting due to 1 previous error diff --git a/tests/ui/coroutine/resume-arg-size.rs b/tests/ui/coroutine/resume-arg-size.rs index 81e96975c98..59740a28f42 100644 --- a/tests/ui/coroutine/resume-arg-size.rs +++ b/tests/ui/coroutine/resume-arg-size.rs @@ -1,4 +1,4 @@ -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![allow(dropping_copy_types)] //@ run-pass @@ -7,7 +7,8 @@ use std::mem::size_of_val; fn main() { // Coroutine taking a `Copy`able resume arg. - let gen_copy = |mut x: usize| { + let gen_copy = #[coroutine] + |mut x: usize| { loop { drop(x); x = yield; @@ -15,7 +16,8 @@ fn main() { }; // Coroutine taking a non-`Copy` resume arg. - let gen_move = |mut x: Box<usize>| { + let gen_move = #[coroutine] + |mut x: Box<usize>| { loop { drop(x); x = yield; diff --git a/tests/ui/coroutine/resume-live-across-yield.rs b/tests/ui/coroutine/resume-live-across-yield.rs index 45851411daa..b67619ee70f 100644 --- a/tests/ui/coroutine/resume-live-across-yield.rs +++ b/tests/ui/coroutine/resume-live-across-yield.rs @@ -1,6 +1,6 @@ //@ run-pass -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; @@ -18,7 +18,8 @@ impl Drop for Dropper { } fn main() { - let mut g = |mut _d| { + let mut g = #[coroutine] + |mut _d| { _d = yield; _d }; diff --git a/tests/ui/coroutine/retain-resume-ref.rs b/tests/ui/coroutine/retain-resume-ref.rs index c9f995ab0cf..6e688c33979 100644 --- a/tests/ui/coroutine/retain-resume-ref.rs +++ b/tests/ui/coroutine/retain-resume-ref.rs @@ -1,6 +1,6 @@ //! This test ensures that a mutable reference cannot be passed as a resume argument twice. -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::marker::Unpin; use std::ops::{ @@ -12,7 +12,8 @@ use std::pin::Pin; fn main() { let mut thing = String::from("hello"); - let mut gen = |r| { + let mut gen = #[coroutine] + |r| { if false { yield r; } diff --git a/tests/ui/coroutine/retain-resume-ref.stderr b/tests/ui/coroutine/retain-resume-ref.stderr index eb8b78df6c9..e23023c6e23 100644 --- a/tests/ui/coroutine/retain-resume-ref.stderr +++ b/tests/ui/coroutine/retain-resume-ref.stderr @@ -1,5 +1,5 @@ error[E0499]: cannot borrow `thing` as mutable more than once at a time - --> $DIR/retain-resume-ref.rs:23:25 + --> $DIR/retain-resume-ref.rs:24:25 | LL | gen.as_mut().resume(&mut thing); | ---------- first mutable borrow occurs here diff --git a/tests/ui/coroutine/size-moved-locals.rs b/tests/ui/coroutine/size-moved-locals.rs index eb5210087a0..0f800de8454 100644 --- a/tests/ui/coroutine/size-moved-locals.rs +++ b/tests/ui/coroutine/size-moved-locals.rs @@ -24,6 +24,7 @@ impl Drop for Foo { } fn move_before_yield() -> impl Coroutine<Yield = (), Return = ()> { + #[coroutine] static || { let first = Foo([0; FOO_SIZE]); let _second = first; @@ -35,6 +36,7 @@ fn move_before_yield() -> impl Coroutine<Yield = (), Return = ()> { fn noop() {} fn move_before_yield_with_noop() -> impl Coroutine<Yield = (), Return = ()> { + #[coroutine] static || { let first = Foo([0; FOO_SIZE]); noop(); @@ -47,6 +49,7 @@ fn move_before_yield_with_noop() -> impl Coroutine<Yield = (), Return = ()> { // Today we don't have NRVO (we allocate space for both `first` and `second`,) // but we can overlap `first` with `_third`. fn overlap_move_points() -> impl Coroutine<Yield = (), Return = ()> { + #[coroutine] static || { let first = Foo([0; FOO_SIZE]); yield; @@ -58,6 +61,7 @@ fn overlap_move_points() -> impl Coroutine<Yield = (), Return = ()> { } fn overlap_x_and_y() -> impl Coroutine<Yield = (), Return = ()> { + #[coroutine] static || { let x = Foo([0; FOO_SIZE]); yield; diff --git a/tests/ui/coroutine/sized-yield.rs b/tests/ui/coroutine/sized-yield.rs index 1368c88b522..a4c91fafe6c 100644 --- a/tests/ui/coroutine/sized-yield.rs +++ b/tests/ui/coroutine/sized-yield.rs @@ -1,11 +1,12 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; use std::pin::Pin; fn main() { let s = String::from("foo"); - let mut gen = move || { + let mut gen = #[coroutine] + move || { //~^ ERROR the size for values of type yield s[..]; }; diff --git a/tests/ui/coroutine/sized-yield.stderr b/tests/ui/coroutine/sized-yield.stderr index 4e8dc13201d..5d5dd6803c8 100644 --- a/tests/ui/coroutine/sized-yield.stderr +++ b/tests/ui/coroutine/sized-yield.stderr @@ -1,8 +1,7 @@ error[E0277]: the size for values of type `str` cannot be known at compilation time - --> $DIR/sized-yield.rs:8:19 + --> $DIR/sized-yield.rs:9:5 | -LL | let mut gen = move || { - | ___________________^ +LL | / move || { LL | | LL | | yield s[..]; LL | | }; @@ -12,7 +11,7 @@ LL | | }; = note: the yield type of a coroutine must have a statically known size error[E0277]: the size for values of type `str` cannot be known at compilation time - --> $DIR/sized-yield.rs:12:24 + --> $DIR/sized-yield.rs:13:24 | LL | Pin::new(&mut gen).resume(()); | ^^^^^^ doesn't have a size known at compile-time diff --git a/tests/ui/coroutine/smoke-resume-args.rs b/tests/ui/coroutine/smoke-resume-args.rs index 7d20cd2293d..209c4814001 100644 --- a/tests/ui/coroutine/smoke-resume-args.rs +++ b/tests/ui/coroutine/smoke-resume-args.rs @@ -3,7 +3,7 @@ //@ revisions: default nomiropt //@[nomiropt]compile-flags: -Z mir-opt-level=0 -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::fmt::Debug; use std::ops::{ @@ -50,7 +50,7 @@ fn expect_drops<T>(expected_drops: usize, f: impl FnOnce() -> T) -> T { fn main() { drain( - &mut |mut b| { + &mut #[coroutine] |mut b| { while b != 0 { b = yield (b + 1); } @@ -59,21 +59,24 @@ fn main() { vec![(1, Yielded(2)), (-45, Yielded(-44)), (500, Yielded(501)), (0, Complete(-1))], ); - expect_drops(2, || drain(&mut |a| yield a, vec![(DropMe, Yielded(DropMe))])); + expect_drops(2, || drain(&mut #[coroutine] |a| yield a, vec![(DropMe, Yielded(DropMe))])); expect_drops(6, || { drain( - &mut |a| yield yield a, + &mut #[coroutine] |a| yield yield a, vec![(DropMe, Yielded(DropMe)), (DropMe, Yielded(DropMe)), (DropMe, Complete(DropMe))], ) }); #[allow(unreachable_code)] - expect_drops(2, || drain(&mut |a| yield return a, vec![(DropMe, Complete(DropMe))])); + expect_drops(2, || drain( + &mut #[coroutine] |a| yield return a, + vec![(DropMe, Complete(DropMe))] + )); expect_drops(2, || { drain( - &mut |a: DropMe| { + &mut #[coroutine] |a: DropMe| { if false { yield () } else { a } }, vec![(DropMe, Complete(DropMe))], @@ -83,7 +86,7 @@ fn main() { expect_drops(4, || { drain( #[allow(unused_assignments, unused_variables)] - &mut |mut a: DropMe| { + &mut #[coroutine] |mut a: DropMe| { a = yield; a = yield; a = yield; diff --git a/tests/ui/coroutine/smoke.rs b/tests/ui/coroutine/smoke.rs index 17d98a52a1c..bfb183fde93 100644 --- a/tests/ui/coroutine/smoke.rs +++ b/tests/ui/coroutine/smoke.rs @@ -6,7 +6,7 @@ //@ needs-threads //@ compile-flags: --test -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{CoroutineState, Coroutine}; use std::pin::Pin; @@ -14,7 +14,7 @@ use std::thread; #[test] fn simple() { - let mut foo = || { + let mut foo = #[coroutine] || { if false { yield; } @@ -29,7 +29,7 @@ fn simple() { #[test] fn return_capture() { let a = String::from("foo"); - let mut foo = || { + let mut foo = #[coroutine] || { if false { yield; } @@ -44,7 +44,7 @@ fn return_capture() { #[test] fn simple_yield() { - let mut foo = || { + let mut foo = #[coroutine] || { yield; }; @@ -61,7 +61,7 @@ fn simple_yield() { #[test] fn yield_capture() { let b = String::from("foo"); - let mut foo = || { + let mut foo = #[coroutine] || { yield b; }; @@ -77,7 +77,7 @@ fn yield_capture() { #[test] fn simple_yield_value() { - let mut foo = || { + let mut foo = #[coroutine] || { yield String::from("bar"); return String::from("foo") }; @@ -95,7 +95,7 @@ fn simple_yield_value() { #[test] fn return_after_yield() { let a = String::from("foo"); - let mut foo = || { + let mut foo = #[coroutine] || { yield; return a }; @@ -112,34 +112,34 @@ fn return_after_yield() { #[test] fn send_and_sync() { - assert_send_sync(|| { + assert_send_sync(#[coroutine] || { yield }); - assert_send_sync(|| { + assert_send_sync(#[coroutine] || { yield String::from("foo"); }); - assert_send_sync(|| { + assert_send_sync(#[coroutine] || { yield; return String::from("foo"); }); let a = 3; - assert_send_sync(|| { + assert_send_sync(#[coroutine] || { yield a; return }); let a = 3; - assert_send_sync(move || { + assert_send_sync(#[coroutine] move || { yield a; return }); let a = String::from("a"); - assert_send_sync(|| { + assert_send_sync(#[coroutine] || { yield ; drop(a); return }); let a = String::from("a"); - assert_send_sync(move || { + assert_send_sync(#[coroutine] move || { yield ; drop(a); return @@ -150,7 +150,7 @@ fn send_and_sync() { #[test] fn send_over_threads() { - let mut foo = || { yield }; + let mut foo = #[coroutine] || { yield }; thread::spawn(move || { match Pin::new(&mut foo).resume(()) { CoroutineState::Yielded(()) => {} @@ -163,7 +163,7 @@ fn send_over_threads() { }).join().unwrap(); let a = String::from("a"); - let mut foo = || { yield a }; + let mut foo = #[coroutine] || { yield a }; thread::spawn(move || { match Pin::new(&mut foo).resume(()) { CoroutineState::Yielded(ref s) if *s == "a" => {} diff --git a/tests/ui/coroutine/static-coroutine.rs b/tests/ui/coroutine/static-coroutine.rs index 9beaef3e4de..eba6336d342 100644 --- a/tests/ui/coroutine/static-coroutine.rs +++ b/tests/ui/coroutine/static-coroutine.rs @@ -1,12 +1,13 @@ //@ run-pass -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] -use std::pin::Pin; use std::ops::{Coroutine, CoroutineState}; +use std::pin::Pin; fn main() { - let mut coroutine = static || { + let mut coroutine = #[coroutine] + static || { let a = true; let b = &a; yield; diff --git a/tests/ui/coroutine/static-mut-reference-across-yield.rs b/tests/ui/coroutine/static-mut-reference-across-yield.rs index 0d8042ed852..40d5fdf2d57 100644 --- a/tests/ui/coroutine/static-mut-reference-across-yield.rs +++ b/tests/ui/coroutine/static-mut-reference-across-yield.rs @@ -1,6 +1,6 @@ //@ build-pass -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] static mut A: [i32; 5] = [1, 2, 3, 4, 5]; @@ -8,13 +8,15 @@ fn is_send_sync<T: Send + Sync>(_: T) {} fn main() { unsafe { - let gen_index = static || { + let gen_index = #[coroutine] + static || { let u = A[{ yield; 1 }]; }; - let gen_match = static || match A { + let gen_match = #[coroutine] + static || match A { i if { yield; true diff --git a/tests/ui/coroutine/static-not-unpin.current.stderr b/tests/ui/coroutine/static-not-unpin.current.stderr index 518abdd62c7..7d6260ac569 100644 --- a/tests/ui/coroutine/static-not-unpin.current.stderr +++ b/tests/ui/coroutine/static-not-unpin.current.stderr @@ -1,8 +1,8 @@ -error[E0277]: `{static coroutine@$DIR/static-not-unpin.rs:15:25: 15:34}` cannot be unpinned +error[E0277]: `{static coroutine@$DIR/static-not-unpin.rs:15:5: 15:14}` cannot be unpinned --> $DIR/static-not-unpin.rs:18:18 | LL | assert_unpin(coroutine); - | ------------ ^^^^^^^^^ the trait `Unpin` is not implemented for `{static coroutine@$DIR/static-not-unpin.rs:15:25: 15:34}` + | ------------ ^^^^^^^^^ the trait `Unpin` is not implemented for `{static coroutine@$DIR/static-not-unpin.rs:15:5: 15:14}` | | | required by a bound introduced by this call | @@ -11,7 +11,7 @@ LL | assert_unpin(coroutine); note: required by a bound in `assert_unpin` --> $DIR/static-not-unpin.rs:11:20 | -LL | fn assert_unpin<T: Unpin>(_: T) { +LL | fn assert_unpin<T: Unpin>(_: T) {} | ^^^^^ required by this bound in `assert_unpin` error: aborting due to 1 previous error diff --git a/tests/ui/coroutine/static-not-unpin.next.stderr b/tests/ui/coroutine/static-not-unpin.next.stderr index 518abdd62c7..7d6260ac569 100644 --- a/tests/ui/coroutine/static-not-unpin.next.stderr +++ b/tests/ui/coroutine/static-not-unpin.next.stderr @@ -1,8 +1,8 @@ -error[E0277]: `{static coroutine@$DIR/static-not-unpin.rs:15:25: 15:34}` cannot be unpinned +error[E0277]: `{static coroutine@$DIR/static-not-unpin.rs:15:5: 15:14}` cannot be unpinned --> $DIR/static-not-unpin.rs:18:18 | LL | assert_unpin(coroutine); - | ------------ ^^^^^^^^^ the trait `Unpin` is not implemented for `{static coroutine@$DIR/static-not-unpin.rs:15:25: 15:34}` + | ------------ ^^^^^^^^^ the trait `Unpin` is not implemented for `{static coroutine@$DIR/static-not-unpin.rs:15:5: 15:14}` | | | required by a bound introduced by this call | @@ -11,7 +11,7 @@ LL | assert_unpin(coroutine); note: required by a bound in `assert_unpin` --> $DIR/static-not-unpin.rs:11:20 | -LL | fn assert_unpin<T: Unpin>(_: T) { +LL | fn assert_unpin<T: Unpin>(_: T) {} | ^^^^^ required by this bound in `assert_unpin` error: aborting due to 1 previous error diff --git a/tests/ui/coroutine/static-not-unpin.rs b/tests/ui/coroutine/static-not-unpin.rs index 3704cca7729..2bc25e3796d 100644 --- a/tests/ui/coroutine/static-not-unpin.rs +++ b/tests/ui/coroutine/static-not-unpin.rs @@ -2,17 +2,17 @@ //@ ignore-compare-mode-next-solver (explicit revisions) //@[next] compile-flags: -Znext-solver -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] //@ normalize-stderr-test "std::pin::Unpin" -> "std::marker::Unpin" use std::marker::Unpin; -fn assert_unpin<T: Unpin>(_: T) { -} +fn assert_unpin<T: Unpin>(_: T) {} fn main() { - let mut coroutine = static || { + let mut coroutine = #[coroutine] + static || { yield; }; assert_unpin(coroutine); //~ ERROR E0277 diff --git a/tests/ui/coroutine/static-reference-across-yield.rs b/tests/ui/coroutine/static-reference-across-yield.rs index cf19ccb54d5..e7ff658ebf6 100644 --- a/tests/ui/coroutine/static-reference-across-yield.rs +++ b/tests/ui/coroutine/static-reference-across-yield.rs @@ -4,10 +4,10 @@ static A: [i32; 5] = [1, 2, 3, 4, 5]; fn main() { - static || { + #[coroutine] static || { let u = A[{yield; 1}]; }; - static || { + #[coroutine] static || { match A { i if { yield; true } => (), _ => (), diff --git a/tests/ui/coroutine/too-live-local-in-immovable-gen.rs b/tests/ui/coroutine/too-live-local-in-immovable-gen.rs index 382e7ff3814..1c689ef7cef 100644 --- a/tests/ui/coroutine/too-live-local-in-immovable-gen.rs +++ b/tests/ui/coroutine/too-live-local-in-immovable-gen.rs @@ -5,7 +5,7 @@ fn main() { unsafe { - static move || { //~ WARN unused coroutine that must be used + #[coroutine] static move || { //~ WARN unused coroutine that must be used // Tests that the coroutine transformation finds out that `a` is not live // during the yield expression. Type checking will also compute liveness // and it should also find out that `a` is not live. diff --git a/tests/ui/coroutine/too-live-local-in-immovable-gen.stderr b/tests/ui/coroutine/too-live-local-in-immovable-gen.stderr index 4a67dbe71e1..48df5c5beac 100644 --- a/tests/ui/coroutine/too-live-local-in-immovable-gen.stderr +++ b/tests/ui/coroutine/too-live-local-in-immovable-gen.stderr @@ -1,7 +1,8 @@ warning: unused coroutine that must be used - --> $DIR/too-live-local-in-immovable-gen.rs:8:9 + --> $DIR/too-live-local-in-immovable-gen.rs:8:22 | -LL | / static move || { +LL | #[coroutine] static move || { + | ______________________^ LL | | // Tests that the coroutine transformation finds out that `a` is not live LL | | // during the yield expression. Type checking will also compute liveness LL | | // and it should also find out that `a` is not live. diff --git a/tests/ui/coroutine/too-many-parameters.rs b/tests/ui/coroutine/too-many-parameters.rs index 377d80c7b22..3baaf062347 100644 --- a/tests/ui/coroutine/too-many-parameters.rs +++ b/tests/ui/coroutine/too-many-parameters.rs @@ -1,6 +1,7 @@ #![feature(coroutines)] fn main() { + #[coroutine] |(), ()| { //~^ error: too many parameters for a coroutine yield; diff --git a/tests/ui/coroutine/too-many-parameters.stderr b/tests/ui/coroutine/too-many-parameters.stderr index c0917c7225b..45dad8e349e 100644 --- a/tests/ui/coroutine/too-many-parameters.stderr +++ b/tests/ui/coroutine/too-many-parameters.stderr @@ -1,5 +1,5 @@ error[E0628]: too many parameters for a coroutine (expected 0 or 1 parameters) - --> $DIR/too-many-parameters.rs:4:5 + --> $DIR/too-many-parameters.rs:5:5 | LL | |(), ()| { | ^^^^^^^^ diff --git a/tests/ui/coroutine/type-mismatch-error.rs b/tests/ui/coroutine/type-mismatch-error.rs index 0d04c21484c..ee4e27c20da 100644 --- a/tests/ui/coroutine/type-mismatch-error.rs +++ b/tests/ui/coroutine/type-mismatch-error.rs @@ -1,7 +1,7 @@ //! Test that we get the expected type mismatch error instead of "closure is expected to take 0 //! arguments" (which got introduced after implementing resume arguments). -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::Coroutine; @@ -9,6 +9,7 @@ fn f<G: Coroutine>(_: G, _: G::Return) {} fn main() { f( + #[coroutine] |a: u8| { if false { yield (); diff --git a/tests/ui/coroutine/type-mismatch-error.stderr b/tests/ui/coroutine/type-mismatch-error.stderr index 737d9afdd79..f10c30e2590 100644 --- a/tests/ui/coroutine/type-mismatch-error.stderr +++ b/tests/ui/coroutine/type-mismatch-error.stderr @@ -1,5 +1,5 @@ error[E0308]: `if` and `else` have incompatible types - --> $DIR/type-mismatch-error.rs:16:17 + --> $DIR/type-mismatch-error.rs:17:17 | LL | / if false { LL | | yield (); diff --git a/tests/ui/coroutine/type-mismatch-signature-deduction.rs b/tests/ui/coroutine/type-mismatch-signature-deduction.rs index d4ca622e80f..5b04b3efaaa 100644 --- a/tests/ui/coroutine/type-mismatch-signature-deduction.rs +++ b/tests/ui/coroutine/type-mismatch-signature-deduction.rs @@ -4,6 +4,7 @@ use std::ops::Coroutine; fn foo() -> impl Coroutine<Return = i32> { //~^ ERROR type mismatch + #[coroutine] || { if false { return Ok(6); diff --git a/tests/ui/coroutine/type-mismatch-signature-deduction.stderr b/tests/ui/coroutine/type-mismatch-signature-deduction.stderr index f26e30a8e74..08927196037 100644 --- a/tests/ui/coroutine/type-mismatch-signature-deduction.stderr +++ b/tests/ui/coroutine/type-mismatch-signature-deduction.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/type-mismatch-signature-deduction.rs:14:9 + --> $DIR/type-mismatch-signature-deduction.rs:15:9 | LL | 5 | ^ expected `Result<{integer}, _>`, found integer @@ -7,7 +7,7 @@ LL | 5 = note: expected enum `Result<{integer}, _>` found type `{integer}` note: return type inferred to be `Result<{integer}, _>` here - --> $DIR/type-mismatch-signature-deduction.rs:9:20 + --> $DIR/type-mismatch-signature-deduction.rs:10:20 | LL | return Ok(6); | ^^^^^ @@ -18,7 +18,7 @@ LL | Ok(5) LL | Err(5) | ++++ + -error[E0271]: type mismatch resolving `<{coroutine@$DIR/type-mismatch-signature-deduction.rs:7:5: 7:7} as Coroutine>::Return == i32` +error[E0271]: type mismatch resolving `<{coroutine@$DIR/type-mismatch-signature-deduction.rs:8:5: 8:7} as Coroutine>::Return == i32` --> $DIR/type-mismatch-signature-deduction.rs:5:13 | LL | fn foo() -> impl Coroutine<Return = i32> { diff --git a/tests/ui/coroutine/uninhabited-field.rs b/tests/ui/coroutine/uninhabited-field.rs index 79776d653b1..d6ada07ce0c 100644 --- a/tests/ui/coroutine/uninhabited-field.rs +++ b/tests/ui/coroutine/uninhabited-field.rs @@ -3,7 +3,7 @@ #![allow(unused)] #![feature(assert_matches)] #![feature(coroutine_trait)] -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![feature(never_type)] use std::assert_matches::assert_matches; use std::ops::Coroutine; @@ -13,7 +13,7 @@ use std::pin::Pin; fn conjure<T>() -> T { loop {} } fn run<T>(x: bool, y: bool) { - let mut c = || { + let mut c = #[coroutine] || { if x { let a : T; if y { diff --git a/tests/ui/coroutine/unsized-capture-across-yield.rs b/tests/ui/coroutine/unsized-capture-across-yield.rs index ef9cbc1d677..c86b1823aaf 100644 --- a/tests/ui/coroutine/unsized-capture-across-yield.rs +++ b/tests/ui/coroutine/unsized-capture-across-yield.rs @@ -7,6 +7,7 @@ use std::ops::Coroutine; fn capture() -> impl Coroutine { let b: [u8] = *(Box::new([]) as Box<[u8]>); + #[coroutine] move || { println!("{:?}", &b); //~^ ERROR the size for values of type `[u8]` cannot be known at compilation time diff --git a/tests/ui/coroutine/unsized-capture-across-yield.stderr b/tests/ui/coroutine/unsized-capture-across-yield.stderr index 436f0901a97..03551f1bbff 100644 --- a/tests/ui/coroutine/unsized-capture-across-yield.stderr +++ b/tests/ui/coroutine/unsized-capture-across-yield.stderr @@ -8,7 +8,7 @@ LL | #![feature(unsized_locals)] = note: `#[warn(incomplete_features)]` on by default error[E0277]: the size for values of type `[u8]` cannot be known at compilation time - --> $DIR/unsized-capture-across-yield.rs:11:27 + --> $DIR/unsized-capture-across-yield.rs:12:27 | LL | move || { | -- this closure captures all values by move diff --git a/tests/ui/coroutine/unsized-local-across-yield.rs b/tests/ui/coroutine/unsized-local-across-yield.rs index 7a8ed60e46a..cb8ced13a11 100644 --- a/tests/ui/coroutine/unsized-local-across-yield.rs +++ b/tests/ui/coroutine/unsized-local-across-yield.rs @@ -6,6 +6,7 @@ use std::ops::Coroutine; fn across() -> impl Coroutine { + #[coroutine] move || { let b: [u8] = *(Box::new([]) as Box<[u8]>); //~^ ERROR the size for values of type `[u8]` cannot be known at compilation time diff --git a/tests/ui/coroutine/unsized-local-across-yield.stderr b/tests/ui/coroutine/unsized-local-across-yield.stderr index c4c3be77ac2..4fe0f135a9d 100644 --- a/tests/ui/coroutine/unsized-local-across-yield.stderr +++ b/tests/ui/coroutine/unsized-local-across-yield.stderr @@ -8,7 +8,7 @@ LL | #![feature(unsized_locals)] = note: `#[warn(incomplete_features)]` on by default error[E0277]: the size for values of type `[u8]` cannot be known at compilation time - --> $DIR/unsized-local-across-yield.rs:10:13 + --> $DIR/unsized-local-across-yield.rs:11:13 | LL | let b: [u8] = *(Box::new([]) as Box<[u8]>); | ^ doesn't have a size known at compile-time diff --git a/tests/ui/coroutine/yield-in-args-rev.rs b/tests/ui/coroutine/yield-in-args-rev.rs index b074e2bc939..29d79df25fb 100644 --- a/tests/ui/coroutine/yield-in-args-rev.rs +++ b/tests/ui/coroutine/yield-in-args-rev.rs @@ -10,7 +10,7 @@ fn foo(_a: (), _b: &bool) {} fn bar() { - || { //~ WARN unused coroutine that must be used + #[coroutine] || { //~ WARN unused coroutine that must be used let b = true; foo(yield, &b); }; diff --git a/tests/ui/coroutine/yield-in-args-rev.stderr b/tests/ui/coroutine/yield-in-args-rev.stderr index dbf46739e8b..10829d66185 100644 --- a/tests/ui/coroutine/yield-in-args-rev.stderr +++ b/tests/ui/coroutine/yield-in-args-rev.stderr @@ -1,7 +1,8 @@ warning: unused coroutine that must be used - --> $DIR/yield-in-args-rev.rs:13:5 + --> $DIR/yield-in-args-rev.rs:13:18 | -LL | / || { +LL | #[coroutine] || { + | __________________^ LL | | let b = true; LL | | foo(yield, &b); LL | | }; diff --git a/tests/ui/coroutine/yield-in-args.rs b/tests/ui/coroutine/yield-in-args.rs index b2827148d77..bc9909b310c 100644 --- a/tests/ui/coroutine/yield-in-args.rs +++ b/tests/ui/coroutine/yield-in-args.rs @@ -3,6 +3,7 @@ fn foo(_b: &bool, _a: ()) {} fn main() { + #[coroutine] || { let b = true; foo(&b, yield); //~ ERROR diff --git a/tests/ui/coroutine/yield-in-args.stderr b/tests/ui/coroutine/yield-in-args.stderr index 7233f47884b..1d2c54f9bdb 100644 --- a/tests/ui/coroutine/yield-in-args.stderr +++ b/tests/ui/coroutine/yield-in-args.stderr @@ -1,5 +1,5 @@ error[E0626]: borrow may still be in use when coroutine yields - --> $DIR/yield-in-args.rs:8:13 + --> $DIR/yield-in-args.rs:9:13 | LL | foo(&b, yield); | ^^ ----- possible yield occurs here diff --git a/tests/ui/coroutine/yield-in-const.rs b/tests/ui/coroutine/yield-in-const.rs index 22651f32cf8..dc1b30155b9 100644 --- a/tests/ui/coroutine/yield-in-const.rs +++ b/tests/ui/coroutine/yield-in-const.rs @@ -2,5 +2,6 @@ const A: u8 = { yield 3u8; 3u8}; //~^ ERROR yield expression outside +//~| ERROR `yield` can only be used in fn main() {} diff --git a/tests/ui/coroutine/yield-in-const.stderr b/tests/ui/coroutine/yield-in-const.stderr index d5748b05337..f02729412cc 100644 --- a/tests/ui/coroutine/yield-in-const.stderr +++ b/tests/ui/coroutine/yield-in-const.stderr @@ -1,9 +1,15 @@ +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/yield-in-const.rs:3:17 + | +LL | const A: u8 = { yield 3u8; 3u8}; + | ^^^^^^^^^ + error[E0627]: yield expression outside of coroutine literal --> $DIR/yield-in-const.rs:3:17 | LL | const A: u8 = { yield 3u8; 3u8}; | ^^^^^^^^^ -error: aborting due to 1 previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0627`. diff --git a/tests/ui/coroutine/yield-in-function.rs b/tests/ui/coroutine/yield-in-function.rs index a99312043bd..427c5d0e7f5 100644 --- a/tests/ui/coroutine/yield-in-function.rs +++ b/tests/ui/coroutine/yield-in-function.rs @@ -2,3 +2,4 @@ fn main() { yield; } //~^ ERROR yield expression outside +//~| ERROR `yield` can only be used in diff --git a/tests/ui/coroutine/yield-in-function.stderr b/tests/ui/coroutine/yield-in-function.stderr index b9d4708bb8d..dbebf310b04 100644 --- a/tests/ui/coroutine/yield-in-function.stderr +++ b/tests/ui/coroutine/yield-in-function.stderr @@ -1,9 +1,20 @@ +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/yield-in-function.rs:3:13 + | +LL | fn main() { yield; } + | ^^^^^ + | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | #[coroutine] fn main() { yield; } + | ++++++++++++ + error[E0627]: yield expression outside of coroutine literal --> $DIR/yield-in-function.rs:3:13 | LL | fn main() { yield; } | ^^^^^ -error: aborting due to 1 previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0627`. diff --git a/tests/ui/coroutine/yield-in-initializer.rs b/tests/ui/coroutine/yield-in-initializer.rs index 19218926b8a..3caefac013e 100644 --- a/tests/ui/coroutine/yield-in-initializer.rs +++ b/tests/ui/coroutine/yield-in-initializer.rs @@ -3,7 +3,7 @@ #![feature(coroutines)] fn main() { - static || { //~ WARN unused coroutine that must be used + #[coroutine] static || { //~ WARN unused coroutine that must be used loop { // Test that `opt` is not live across the yield, even when borrowed in a loop // See https://github.com/rust-lang/rust/issues/52792 diff --git a/tests/ui/coroutine/yield-in-initializer.stderr b/tests/ui/coroutine/yield-in-initializer.stderr index 614df43f2f5..1e22b787668 100644 --- a/tests/ui/coroutine/yield-in-initializer.stderr +++ b/tests/ui/coroutine/yield-in-initializer.stderr @@ -1,7 +1,8 @@ warning: unused coroutine that must be used - --> $DIR/yield-in-initializer.rs:6:5 + --> $DIR/yield-in-initializer.rs:6:18 | -LL | / static || { +LL | #[coroutine] static || { + | __________________^ LL | | loop { LL | | // Test that `opt` is not live across the yield, even when borrowed in a loop LL | | // See https://github.com/rust-lang/rust/issues/52792 diff --git a/tests/ui/coroutine/yield-in-static.rs b/tests/ui/coroutine/yield-in-static.rs index 45e0380d46d..99d08913e64 100644 --- a/tests/ui/coroutine/yield-in-static.rs +++ b/tests/ui/coroutine/yield-in-static.rs @@ -2,5 +2,6 @@ static B: u8 = { yield 3u8; 3u8}; //~^ ERROR yield expression outside +//~| ERROR `yield` can only be used in fn main() {} diff --git a/tests/ui/coroutine/yield-in-static.stderr b/tests/ui/coroutine/yield-in-static.stderr index b56283cab66..d1fd4eab0fc 100644 --- a/tests/ui/coroutine/yield-in-static.stderr +++ b/tests/ui/coroutine/yield-in-static.stderr @@ -1,9 +1,15 @@ +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/yield-in-static.rs:3:18 + | +LL | static B: u8 = { yield 3u8; 3u8}; + | ^^^^^^^^^ + error[E0627]: yield expression outside of coroutine literal --> $DIR/yield-in-static.rs:3:18 | LL | static B: u8 = { yield 3u8; 3u8}; | ^^^^^^^^^ -error: aborting due to 1 previous error +error: aborting due to 2 previous errors For more information about this error, try `rustc --explain E0627`. diff --git a/tests/ui/coroutine/yield-outside-coroutine-issue-78653.rs b/tests/ui/coroutine/yield-outside-coroutine-issue-78653.rs index 31025c33b1a..6833bc99012 100644 --- a/tests/ui/coroutine/yield-outside-coroutine-issue-78653.rs +++ b/tests/ui/coroutine/yield-outside-coroutine-issue-78653.rs @@ -4,4 +4,5 @@ fn main() { yield || for i in 0 { } //~^ ERROR yield expression outside of coroutine literal //~| ERROR `{integer}` is not an iterator + //~| ERROR `yield` can only be used in } diff --git a/tests/ui/coroutine/yield-outside-coroutine-issue-78653.stderr b/tests/ui/coroutine/yield-outside-coroutine-issue-78653.stderr index 8f8bec99458..921e8d5d47a 100644 --- a/tests/ui/coroutine/yield-outside-coroutine-issue-78653.stderr +++ b/tests/ui/coroutine/yield-outside-coroutine-issue-78653.stderr @@ -1,3 +1,14 @@ +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/yield-outside-coroutine-issue-78653.rs:4:5 + | +LL | yield || for i in 0 { } + | ^^^^^^^^^^^^^^^^^^^^^^^ + | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | #[coroutine] fn main() { + | ++++++++++++ + error[E0627]: yield expression outside of coroutine literal --> $DIR/yield-outside-coroutine-issue-78653.rs:4:5 | @@ -14,7 +25,7 @@ LL | yield || for i in 0 { } = note: if you want to iterate between `start` until a value `end`, use the exclusive range syntax `start..end` or the inclusive range syntax `start..=end` = note: required for `{integer}` to implement `IntoIterator` -error: aborting due to 2 previous errors +error: aborting due to 3 previous errors Some errors have detailed explanations: E0277, E0627. For more information about an error, try `rustc --explain E0277`. diff --git a/tests/ui/coroutine/yield-subtype.rs b/tests/ui/coroutine/yield-subtype.rs index 271f8362f17..adee5075e83 100644 --- a/tests/ui/coroutine/yield-subtype.rs +++ b/tests/ui/coroutine/yield-subtype.rs @@ -8,7 +8,7 @@ fn bar<'a>() { let a: &'static str = "hi"; let b: &'a str = a; - || { //~ WARN unused coroutine that must be used + #[coroutine] || { //~ WARN unused coroutine that must be used yield a; yield b; }; diff --git a/tests/ui/coroutine/yield-subtype.stderr b/tests/ui/coroutine/yield-subtype.stderr index 5e7ae9f581e..973415327a5 100644 --- a/tests/ui/coroutine/yield-subtype.stderr +++ b/tests/ui/coroutine/yield-subtype.stderr @@ -1,7 +1,8 @@ warning: unused coroutine that must be used - --> $DIR/yield-subtype.rs:11:5 + --> $DIR/yield-subtype.rs:11:18 | -LL | / || { +LL | #[coroutine] || { + | __________________^ LL | | yield a; LL | | yield b; LL | | }; diff --git a/tests/ui/coroutine/yield-while-iterating.rs b/tests/ui/coroutine/yield-while-iterating.rs index 66ac6d3922a..77f601e4f2c 100644 --- a/tests/ui/coroutine/yield-while-iterating.rs +++ b/tests/ui/coroutine/yield-while-iterating.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::ops::{CoroutineState, Coroutine}; use std::cell::Cell; @@ -9,7 +9,7 @@ fn yield_during_iter_owned_data(x: Vec<i32>) { // reference to it. This winds up becoming a rather confusing // regionck error -- in particular, we would freeze with the // reference in scope, and it doesn't live long enough. - let _b = move || { + let _b =#[coroutine] move || { for p in &x { //~ ERROR yield(); } @@ -17,7 +17,7 @@ fn yield_during_iter_owned_data(x: Vec<i32>) { } fn yield_during_iter_borrowed_slice(x: &[i32]) { - let _b = move || { + let _b = #[coroutine] move || { for p in x { yield(); } @@ -26,7 +26,7 @@ fn yield_during_iter_borrowed_slice(x: &[i32]) { fn yield_during_iter_borrowed_slice_2() { let mut x = vec![22_i32]; - let _b = || { + let _b = #[coroutine] || { for p in &x { yield(); } @@ -38,7 +38,7 @@ fn yield_during_iter_borrowed_slice_3() { // OK to take a mutable ref to `x` and yield // up pointers from it: let mut x = vec![22_i32]; - let mut b = || { + let mut b = #[coroutine] || { for p in &mut x { yield p; } @@ -50,7 +50,7 @@ fn yield_during_iter_borrowed_slice_4() { // ...but not OK to do that while reading // from `x` too let mut x = vec![22_i32]; - let mut b = || { + let mut b = #[coroutine] || { for p in &mut x { yield p; } @@ -61,7 +61,7 @@ fn yield_during_iter_borrowed_slice_4() { fn yield_during_range_iter() { // Should be OK. - let mut b = || { + let mut b = #[coroutine] || { let v = vec![1,2,3]; let len = v.len(); for i in 0..len { diff --git a/tests/ui/coroutine/yield-while-iterating.stderr b/tests/ui/coroutine/yield-while-iterating.stderr index 5330121f372..f81c914c4bd 100644 --- a/tests/ui/coroutine/yield-while-iterating.stderr +++ b/tests/ui/coroutine/yield-while-iterating.stderr @@ -9,8 +9,8 @@ LL | yield(); error[E0502]: cannot borrow `x` as immutable because it is also borrowed as mutable --> $DIR/yield-while-iterating.rs:58:20 | -LL | let mut b = || { - | -- mutable borrow occurs here +LL | let mut b = #[coroutine] || { + | -- mutable borrow occurs here LL | for p in &mut x { | - first borrow occurs due to use of `x` in coroutine ... diff --git a/tests/ui/coroutine/yield-while-local-borrowed.rs b/tests/ui/coroutine/yield-while-local-borrowed.rs index 7f8d1d4543d..3db30c36712 100644 --- a/tests/ui/coroutine/yield-while-local-borrowed.rs +++ b/tests/ui/coroutine/yield-while-local-borrowed.rs @@ -1,4 +1,4 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] use std::cell::Cell; use std::ops::{Coroutine, CoroutineState}; @@ -9,7 +9,7 @@ fn borrow_local_inline() { // // (This error occurs because the region shows up in the type of // `b` and gets extended by region inference.) - let mut b = move || { + let mut b = #[coroutine] move || { let a = &mut 3; //~^ ERROR borrow may still be in use when coroutine yields yield (); @@ -20,7 +20,7 @@ fn borrow_local_inline() { fn borrow_local_inline_done() { // No error here -- `a` is not in scope at the point of `yield`. - let mut b = move || { + let mut b = #[coroutine] move || { { let a = &mut 3; } @@ -34,7 +34,7 @@ fn borrow_local() { // // (This error occurs because the region shows up in the type of // `b` and gets extended by region inference.) - let mut b = move || { + let mut b = #[coroutine] move || { let a = 3; { let b = &a; diff --git a/tests/ui/coroutine/yield-while-ref-reborrowed.rs b/tests/ui/coroutine/yield-while-ref-reborrowed.rs index 07c59175858..2600d0b4124 100644 --- a/tests/ui/coroutine/yield-while-ref-reborrowed.rs +++ b/tests/ui/coroutine/yield-while-ref-reborrowed.rs @@ -1,15 +1,16 @@ -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] -use std::ops::{CoroutineState, Coroutine}; use std::cell::Cell; +use std::ops::{Coroutine, CoroutineState}; use std::pin::Pin; fn reborrow_shared_ref(x: &i32) { // This is OK -- we have a borrow live over the yield, but it's of // data that outlives the coroutine. - let mut b = move || { + let mut b = #[coroutine] + move || { let a = &*x; - yield(); + yield (); println!("{}", a); }; Pin::new(&mut b).resume(()); @@ -18,9 +19,10 @@ fn reborrow_shared_ref(x: &i32) { fn reborrow_mutable_ref(x: &mut i32) { // This is OK -- we have a borrow live over the yield, but it's of // data that outlives the coroutine. - let mut b = move || { + let mut b = #[coroutine] + move || { let a = &mut *x; - yield(); + yield (); println!("{}", a); }; Pin::new(&mut b).resume(()); @@ -28,13 +30,14 @@ fn reborrow_mutable_ref(x: &mut i32) { fn reborrow_mutable_ref_2(x: &mut i32) { // ...but not OK to go on using `x`. - let mut b = || { + let mut b = #[coroutine] + || { let a = &mut *x; - yield(); + yield (); println!("{}", a); }; println!("{}", x); //~ ERROR Pin::new(&mut b).resume(()); } -fn main() { } +fn main() {} diff --git a/tests/ui/coroutine/yield-while-ref-reborrowed.stderr b/tests/ui/coroutine/yield-while-ref-reborrowed.stderr index 62ac0265311..7c9b766457d 100644 --- a/tests/ui/coroutine/yield-while-ref-reborrowed.stderr +++ b/tests/ui/coroutine/yield-while-ref-reborrowed.stderr @@ -1,8 +1,8 @@ error[E0501]: cannot borrow `x` as immutable because previous closure requires unique access - --> $DIR/yield-while-ref-reborrowed.rs:36:20 + --> $DIR/yield-while-ref-reborrowed.rs:39:20 | -LL | let mut b = || { - | -- coroutine construction occurs here +LL | || { + | -- coroutine construction occurs here LL | let a = &mut *x; | -- first borrow occurs due to use of `x` in coroutine ... diff --git a/tests/ui/drop/dynamic-drop.rs b/tests/ui/drop/dynamic-drop.rs index f848a1a340b..b695b5702d9 100644 --- a/tests/ui/drop/dynamic-drop.rs +++ b/tests/ui/drop/dynamic-drop.rs @@ -1,7 +1,7 @@ //@ run-pass //@ needs-unwind -#![feature(coroutines, coroutine_trait)] +#![feature(coroutines, coroutine_trait, stmt_expr_attributes)] #![feature(if_let_guard)] #![allow(unused_assignments)] @@ -176,7 +176,7 @@ fn vec_simple(a: &Allocator) { fn coroutine(a: &Allocator, run_count: usize) { assert!(run_count < 4); - let mut gen = || { + let mut gen = #[coroutine] || { (a.alloc(), yield a.alloc(), a.alloc(), diff --git a/tests/ui/feature-gates/feature-gate-closure_track_caller.rs b/tests/ui/feature-gates/feature-gate-closure_track_caller.rs index 93bf83ecf53..d90fb765a23 100644 --- a/tests/ui/feature-gates/feature-gate-closure_track_caller.rs +++ b/tests/ui/feature-gates/feature-gate-closure_track_caller.rs @@ -4,6 +4,6 @@ fn main() { let _closure = #[track_caller] || {}; //~ `#[track_caller]` on closures - let _coroutine = #[track_caller] || { yield; }; //~ `#[track_caller]` on closures + let _coroutine = #[coroutine] #[track_caller] || { yield; }; //~ `#[track_caller]` on closures let _future = #[track_caller] async {}; //~ `#[track_caller]` on closures } diff --git a/tests/ui/feature-gates/feature-gate-closure_track_caller.stderr b/tests/ui/feature-gates/feature-gate-closure_track_caller.stderr index 17b5e6016a4..0b12b73fd1f 100644 --- a/tests/ui/feature-gates/feature-gate-closure_track_caller.stderr +++ b/tests/ui/feature-gates/feature-gate-closure_track_caller.stderr @@ -9,10 +9,10 @@ LL | let _closure = #[track_caller] || {}; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: `#[track_caller]` on closures is currently unstable - --> $DIR/feature-gate-closure_track_caller.rs:7:22 + --> $DIR/feature-gate-closure_track_caller.rs:7:35 | -LL | let _coroutine = #[track_caller] || { yield; }; - | ^^^^^^^^^^^^^^^ +LL | let _coroutine = #[coroutine] #[track_caller] || { yield; }; + | ^^^^^^^^^^^^^^^ | = note: see issue #87417 <https://github.com/rust-lang/rust/issues/87417> for more information = help: add `#![feature(closure_track_caller)]` to the crate attributes to enable diff --git a/tests/ui/feature-gates/feature-gate-coroutines.e2024.stderr b/tests/ui/feature-gates/feature-gate-coroutines.e2024.stderr index 1cef163cef5..3bb48e4a37a 100644 --- a/tests/ui/feature-gates/feature-gate-coroutines.e2024.stderr +++ b/tests/ui/feature-gates/feature-gate-coroutines.e2024.stderr @@ -8,8 +8,19 @@ LL | yield true; = help: add `#![feature(coroutines)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/feature-gate-coroutines.rs:5:5 + | +LL | yield true; + | ^^^^^^^^^^ + | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | #[coroutine] fn main() { + | ++++++++++++ + error[E0658]: yield syntax is experimental - --> $DIR/feature-gate-coroutines.rs:9:16 + --> $DIR/feature-gate-coroutines.rs:10:16 | LL | let _ = || yield true; | ^^^^^^^^^^ @@ -18,13 +29,24 @@ LL | let _ = || yield true; = help: add `#![feature(coroutines)]` to the crate attributes to enable = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/feature-gate-coroutines.rs:10:16 + | +LL | let _ = || yield true; + | ^^^^^^^^^^ + | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | let _ = #[coroutine] || yield true; + | ++++++++++++ + error[E0627]: yield expression outside of coroutine literal --> $DIR/feature-gate-coroutines.rs:5:5 | LL | yield true; | ^^^^^^^^^^ -error: aborting due to 3 previous errors +error: aborting due to 5 previous errors Some errors have detailed explanations: E0627, E0658. For more information about an error, try `rustc --explain E0627`. diff --git a/tests/ui/feature-gates/feature-gate-coroutines.none.stderr b/tests/ui/feature-gates/feature-gate-coroutines.none.stderr index 403f0549aef..65e7737ef84 100644 --- a/tests/ui/feature-gates/feature-gate-coroutines.none.stderr +++ b/tests/ui/feature-gates/feature-gate-coroutines.none.stderr @@ -9,7 +9,7 @@ LL | yield true; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: yield syntax is experimental - --> $DIR/feature-gate-coroutines.rs:9:16 + --> $DIR/feature-gate-coroutines.rs:10:16 | LL | let _ = || yield true; | ^^^^^^^^^^ @@ -19,7 +19,7 @@ LL | let _ = || yield true; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: yield syntax is experimental - --> $DIR/feature-gate-coroutines.rs:16:5 + --> $DIR/feature-gate-coroutines.rs:18:5 | LL | yield; | ^^^^^ @@ -29,7 +29,7 @@ LL | yield; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date error[E0658]: yield syntax is experimental - --> $DIR/feature-gate-coroutines.rs:17:5 + --> $DIR/feature-gate-coroutines.rs:19:5 | LL | yield 0; | ^^^^^^^ @@ -49,8 +49,19 @@ LL | yield true; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/feature-gate-coroutines.rs:5:5 + | +LL | yield true; + | ^^^^^^^^^^ + | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | #[coroutine] fn main() { + | ++++++++++++ + error[E0658]: yield syntax is experimental - --> $DIR/feature-gate-coroutines.rs:9:16 + --> $DIR/feature-gate-coroutines.rs:10:16 | LL | let _ = || yield true; | ^^^^^^^^^^ @@ -60,13 +71,24 @@ LL | let _ = || yield true; = note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` +error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks + --> $DIR/feature-gate-coroutines.rs:10:16 + | +LL | let _ = || yield true; + | ^^^^^^^^^^ + | +help: use `#[coroutine]` to make this closure a coroutine + | +LL | let _ = #[coroutine] || yield true; + | ++++++++++++ + error[E0627]: yield expression outside of coroutine literal --> $DIR/feature-gate-coroutines.rs:5:5 | LL | yield true; | ^^^^^^^^^^ -error: aborting due to 7 previous errors +error: aborting due to 9 previous errors Some errors have detailed explanations: E0627, E0658. For more information about an error, try `rustc --explain E0627`. diff --git a/tests/ui/feature-gates/feature-gate-coroutines.rs b/tests/ui/feature-gates/feature-gate-coroutines.rs index b3df2351b68..28dce8596d3 100644 --- a/tests/ui/feature-gates/feature-gate-coroutines.rs +++ b/tests/ui/feature-gates/feature-gate-coroutines.rs @@ -5,9 +5,11 @@ fn main() { yield true; //~ ERROR yield syntax is experimental //~^ ERROR yield expression outside of coroutine literal //[none]~^^ ERROR yield syntax is experimental + //~^^^ ERROR `yield` can only be used let _ = || yield true; //~ ERROR yield syntax is experimental //[none]~^ ERROR yield syntax is experimental + //~^^ ERROR `yield` can only be used } #[cfg(FALSE)] diff --git a/tests/ui/fn/fn_def_coercion.rs b/tests/ui/fn/fn_def_coercion.rs new file mode 100644 index 00000000000..313be6f28cd --- /dev/null +++ b/tests/ui/fn/fn_def_coercion.rs @@ -0,0 +1,58 @@ +//! Test that coercing between function items of the same function, +//! but with different generic args succeeds in typeck, but then fails +//! in borrowck when the lifetimes can't actually be merged. + +fn foo<T>(t: T) -> T { + t +} + +fn f<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + let mut x = foo::<&'a ()>; //~ ERROR: lifetime may not live long enough + x = foo::<&'b ()>; //~ ERROR: lifetime may not live long enough + x = foo::<&'c ()>; + x(a); + x(b); + x(c); +} + +fn g<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + let x = foo::<&'c ()>; + let _: &'c () = x(a); //~ ERROR lifetime may not live long enough +} + +fn h<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + let x = foo::<&'a ()>; + let _: &'a () = x(c); +} + +fn i<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + let mut x = foo::<&'c ()>; + x = foo::<&'b ()>; //~ ERROR lifetime may not live long enough + x = foo::<&'a ()>; //~ ERROR lifetime may not live long enough + x(a); + x(b); + x(c); +} + +fn j<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + let x = match true { + true => foo::<&'b ()>, //~ ERROR lifetime may not live long enough + false => foo::<&'a ()>, //~ ERROR lifetime may not live long enough + }; + x(a); + x(b); + x(c); +} + +fn k<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + let x = match true { + true => foo::<&'c ()>, + false => foo::<&'a ()>, //~ ERROR lifetime may not live long enough + }; + + x(a); + x(b); //~ ERROR lifetime may not live long enough + x(c); +} + +fn main() {} diff --git a/tests/ui/fn/fn_def_coercion.stderr b/tests/ui/fn/fn_def_coercion.stderr new file mode 100644 index 00000000000..ec4a1bde7fd --- /dev/null +++ b/tests/ui/fn/fn_def_coercion.stderr @@ -0,0 +1,154 @@ +error: lifetime may not live long enough + --> $DIR/fn_def_coercion.rs:10:17 + | +LL | fn f<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + | -- -- lifetime `'b` defined here + | | + | lifetime `'a` defined here +LL | let mut x = foo::<&'a ()>; + | ^^^^^^^^^^^^^ assignment requires that `'a` must outlive `'b` + | + = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of a function pointer to `foo` + = note: the function `foo` is invariant over the parameter `T` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/fn_def_coercion.rs:11:5 + | +LL | fn f<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + | -- -- lifetime `'b` defined here + | | + | lifetime `'a` defined here +LL | let mut x = foo::<&'a ()>; +LL | x = foo::<&'b ()>; + | ^^^^^^^^^^^^^^^^^ assignment requires that `'b` must outlive `'a` + | + = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a function pointer to `foo` + = note: the function `foo` is invariant over the parameter `T` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +help: `'a` and `'b` must be the same: replace one with the other + +error: lifetime may not live long enough + --> $DIR/fn_def_coercion.rs:20:12 + | +LL | fn g<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + | -- -- lifetime `'c` defined here + | | + | lifetime `'a` defined here +LL | let x = foo::<&'c ()>; +LL | let _: &'c () = x(a); + | ^^^^^^ type annotation requires that `'a` must outlive `'c` + | + = help: consider adding the following bound: `'a: 'c` + +error: lifetime may not live long enough + --> $DIR/fn_def_coercion.rs:30:5 + | +LL | fn i<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + | -- -- lifetime `'b` defined here + | | + | lifetime `'a` defined here +LL | let mut x = foo::<&'c ()>; +LL | x = foo::<&'b ()>; + | ^^^^^^^^^^^^^^^^^ assignment requires that `'b` must outlive `'a` + | + = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a function pointer to `foo` + = note: the function `foo` is invariant over the parameter `T` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/fn_def_coercion.rs:31:5 + | +LL | fn i<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + | -- -- lifetime `'b` defined here + | | + | lifetime `'a` defined here +... +LL | x = foo::<&'a ()>; + | ^^^^^^^^^^^^^^^^^ assignment requires that `'a` must outlive `'b` + | + = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of a function pointer to `foo` + = note: the function `foo` is invariant over the parameter `T` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +help: `'a` and `'b` must be the same: replace one with the other + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: lifetime may not live long enough + --> $DIR/fn_def_coercion.rs:39:17 + | +LL | fn j<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + | -- -- lifetime `'b` defined here + | | + | lifetime `'a` defined here +LL | let x = match true { +LL | true => foo::<&'b ()>, + | ^^^^^^^^^^^^^ assignment requires that `'b` must outlive `'a` + | + = help: consider adding the following bound: `'b: 'a` + = note: requirement occurs because of a function pointer to `foo` + = note: the function `foo` is invariant over the parameter `T` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/fn_def_coercion.rs:40:18 + | +LL | fn j<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + | -- -- lifetime `'b` defined here + | | + | lifetime `'a` defined here +... +LL | false => foo::<&'a ()>, + | ^^^^^^^^^^^^^ assignment requires that `'a` must outlive `'b` + | + = help: consider adding the following bound: `'a: 'b` + = note: requirement occurs because of a function pointer to `foo` + = note: the function `foo` is invariant over the parameter `T` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +help: `'a` and `'b` must be the same: replace one with the other + | + = note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no` + +error: lifetime may not live long enough + --> $DIR/fn_def_coercion.rs:50:18 + | +LL | fn k<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + | -- -- lifetime `'c` defined here + | | + | lifetime `'a` defined here +... +LL | false => foo::<&'a ()>, + | ^^^^^^^^^^^^^ assignment requires that `'a` must outlive `'c` + | + = help: consider adding the following bound: `'a: 'c` + = note: requirement occurs because of a function pointer to `foo` + = note: the function `foo` is invariant over the parameter `T` + = help: see <https://doc.rust-lang.org/nomicon/subtyping.html> for more information about variance + +error: lifetime may not live long enough + --> $DIR/fn_def_coercion.rs:54:5 + | +LL | fn k<'a, 'b, 'c: 'a + 'b>(a: &'a (), b: &'b (), c: &'c ()) { + | -- -- lifetime `'b` defined here + | | + | lifetime `'a` defined here +... +LL | x(b); + | ^^^^ argument requires that `'b` must outlive `'a` + | + = help: consider adding the following bound: `'b: 'a` + +help: the following changes may resolve your lifetime errors + | + = help: add bound `'a: 'c` + = help: add bound `'b: 'a` + +error: aborting due to 9 previous errors + diff --git a/tests/ui/fn/fn_def_opaque_coercion.rs b/tests/ui/fn/fn_def_opaque_coercion.rs new file mode 100644 index 00000000000..0a8810cf4f8 --- /dev/null +++ b/tests/ui/fn/fn_def_opaque_coercion.rs @@ -0,0 +1,69 @@ +//! Test that coercing between function items of the same function, +//! but with different generic args works. + +//@check-pass + +#![feature(type_alias_impl_trait)] + +fn foo<T>(t: T) -> T { + t +} + +type F = impl Sized; + +fn f(a: F) { + let mut x = foo::<F>; + x = foo::<()>; + x(a); + x(()); +} + +type G = impl Sized; + +fn g(a: G) { + let x = foo::<()>; + let _: () = x(a); +} + +type H = impl Sized; + +fn h(a: H) { + let x = foo::<H>; + let _: H = x(()); +} + +type I = impl Sized; + +fn i(a: I) { + let mut x = foo::<()>; + x = foo::<I>; + x(a); + x(()); +} + +type J = impl Sized; + +fn j(a: J) { + let x = match true { + true => foo::<J>, + false => foo::<()>, + }; + x(a); + x(()); +} + +fn k() -> impl Sized { + fn bind<T, F: FnOnce(T) -> T>(_: T, f: F) -> F { + f + } + let x = match true { + true => { + let f = foo; + bind(k(), f) + } + false => foo::<()>, + }; + todo!() +} + +fn main() {} diff --git a/tests/ui/impl-trait/issues/issue-58504.rs b/tests/ui/impl-trait/issues/issue-58504.rs index 4f7a35e81b8..856e1297e58 100644 --- a/tests/ui/impl-trait/issues/issue-58504.rs +++ b/tests/ui/impl-trait/issues/issue-58504.rs @@ -3,7 +3,7 @@ use std::ops::Coroutine; fn mk_gen() -> impl Coroutine<Return=!, Yield=()> { - || { loop { yield; } } + #[coroutine] || { loop { yield; } } } fn main() { diff --git a/tests/ui/impl-trait/lifetimes.rs b/tests/ui/impl-trait/lifetimes.rs index 93a4801fa40..df64b685eab 100644 --- a/tests/ui/impl-trait/lifetimes.rs +++ b/tests/ui/impl-trait/lifetimes.rs @@ -115,7 +115,7 @@ impl<'unnecessary_lifetime> MyVec { } fn coroutine_doesnt_capture_unnecessary_lifetime<'s: 's>() -> impl Sized { - || yield + #[coroutine] || yield } } diff --git a/tests/ui/impl-trait/recursive-coroutine-boxed.next.stderr b/tests/ui/impl-trait/recursive-coroutine-boxed.next.stderr index c0b399746ea..96db2030a40 100644 --- a/tests/ui/impl-trait/recursive-coroutine-boxed.next.stderr +++ b/tests/ui/impl-trait/recursive-coroutine-boxed.next.stderr @@ -1,5 +1,5 @@ error[E0282]: type annotations needed - --> $DIR/recursive-coroutine-boxed.rs:14:23 + --> $DIR/recursive-coroutine-boxed.rs:15:23 | LL | let mut gen = Box::pin(foo()); | ^^^^^^^^ cannot infer type of the type parameter `T` declared on the struct `Box` @@ -13,7 +13,7 @@ LL | let mut gen = Box::<T>::pin(foo()); | +++++ error[E0308]: mismatched types - --> $DIR/recursive-coroutine-boxed.rs:13:5 + --> $DIR/recursive-coroutine-boxed.rs:14:18 | LL | fn foo() -> impl Coroutine<Yield = (), Return = ()> { | --------------------------------------- @@ -21,7 +21,8 @@ LL | fn foo() -> impl Coroutine<Yield = (), Return = ()> { | the expected opaque type | expected `impl Coroutine<Yield = (), Return = ()>` because of return type ... -LL | / || { +LL | #[coroutine] || { + | __________________^ LL | | let mut gen = Box::pin(foo()); LL | | LL | | let mut r = gen.as_mut().resume(()); @@ -31,7 +32,7 @@ LL | | } | |_____^ types differ | = note: expected opaque type `impl Coroutine<Yield = (), Return = ()>` - found coroutine `{coroutine@$DIR/recursive-coroutine-boxed.rs:13:5: 13:7}` + found coroutine `{coroutine@$DIR/recursive-coroutine-boxed.rs:14:18: 14:20}` error: aborting due to 2 previous errors diff --git a/tests/ui/impl-trait/recursive-coroutine-boxed.rs b/tests/ui/impl-trait/recursive-coroutine-boxed.rs index 02c75be0f3a..24a77d73114 100644 --- a/tests/ui/impl-trait/recursive-coroutine-boxed.rs +++ b/tests/ui/impl-trait/recursive-coroutine-boxed.rs @@ -10,7 +10,8 @@ fn foo() -> impl Coroutine<Yield = (), Return = ()> { // FIXME(-Znext-solver): this fails with a mismatched types as the // hidden type of the opaque ends up as {type error}. We should not // emit errors for such goals. - || { //[next]~ ERROR mismatched types + + #[coroutine] || { //[next]~ ERROR mismatched types let mut gen = Box::pin(foo()); //[next]~^ ERROR type annotations needed let mut r = gen.as_mut().resume(()); diff --git a/tests/ui/impl-trait/recursive-coroutine-indirect.current.stderr b/tests/ui/impl-trait/recursive-coroutine-indirect.current.stderr index ee87c483d0d..9814187e179 100644 --- a/tests/ui/impl-trait/recursive-coroutine-indirect.current.stderr +++ b/tests/ui/impl-trait/recursive-coroutine-indirect.current.stderr @@ -1,8 +1,8 @@ error[E0733]: recursion in a coroutine requires boxing - --> $DIR/recursive-coroutine-indirect.rs:11:5 + --> $DIR/recursive-coroutine-indirect.rs:11:18 | -LL | move || { - | ^^^^^^^ +LL | #[coroutine] move || { + | ^^^^^^^ LL | let x = coroutine_hold(); | - recursive call here diff --git a/tests/ui/impl-trait/recursive-coroutine-indirect.next.stderr b/tests/ui/impl-trait/recursive-coroutine-indirect.next.stderr index ee87c483d0d..9814187e179 100644 --- a/tests/ui/impl-trait/recursive-coroutine-indirect.next.stderr +++ b/tests/ui/impl-trait/recursive-coroutine-indirect.next.stderr @@ -1,8 +1,8 @@ error[E0733]: recursion in a coroutine requires boxing - --> $DIR/recursive-coroutine-indirect.rs:11:5 + --> $DIR/recursive-coroutine-indirect.rs:11:18 | -LL | move || { - | ^^^^^^^ +LL | #[coroutine] move || { + | ^^^^^^^ LL | let x = coroutine_hold(); | - recursive call here diff --git a/tests/ui/impl-trait/recursive-coroutine-indirect.rs b/tests/ui/impl-trait/recursive-coroutine-indirect.rs index bba9792fe3c..cec2176049b 100644 --- a/tests/ui/impl-trait/recursive-coroutine-indirect.rs +++ b/tests/ui/impl-trait/recursive-coroutine-indirect.rs @@ -8,7 +8,7 @@ #![feature(coroutines)] #![allow(unconditional_recursion)] fn coroutine_hold() -> impl Sized { - move || { //~ ERROR recursion in a coroutine requires boxing + #[coroutine] move || { //~ ERROR recursion in a coroutine requires boxing let x = coroutine_hold(); yield; x; diff --git a/tests/ui/impl-trait/recursive-impl-trait-type-indirect.rs b/tests/ui/impl-trait/recursive-impl-trait-type-indirect.rs index 432f80a1763..8b9dac0e29b 100644 --- a/tests/ui/impl-trait/recursive-impl-trait-type-indirect.rs +++ b/tests/ui/impl-trait/recursive-impl-trait-type-indirect.rs @@ -57,6 +57,8 @@ fn coroutine_sig() -> impl Sized { fn coroutine_capture() -> impl Sized { //~^ ERROR let x = coroutine_capture(); + + #[coroutine] move || { yield; x; diff --git a/tests/ui/impl-trait/recursive-impl-trait-type-indirect.stderr b/tests/ui/impl-trait/recursive-impl-trait-type-indirect.stderr index d5b8c531fd6..2d2731e4368 100644 --- a/tests/ui/impl-trait/recursive-impl-trait-type-indirect.stderr +++ b/tests/ui/impl-trait/recursive-impl-trait-type-indirect.stderr @@ -98,10 +98,10 @@ LL | | yield; LL | | x; | | - coroutine captures itself here LL | | } - | |_____- returning here with type `{coroutine@$DIR/recursive-impl-trait-type-indirect.rs:60:5: 60:12}` + | |_____- returning here with type `{coroutine@$DIR/recursive-impl-trait-type-indirect.rs:62:5: 62:12}` error[E0720]: cannot resolve opaque type - --> $DIR/recursive-impl-trait-type-indirect.rs:66:35 + --> $DIR/recursive-impl-trait-type-indirect.rs:68:35 | LL | fn substs_change<T: 'static>() -> impl Sized { | ^^^^^^^^^^ recursive opaque type @@ -110,7 +110,7 @@ LL | (substs_change::<&T>(),) | ------------------------ returning here with type `(impl Sized,)` error[E0720]: cannot resolve opaque type - --> $DIR/recursive-impl-trait-type-indirect.rs:76:26 + --> $DIR/recursive-impl-trait-type-indirect.rs:78:26 | LL | fn mutual_recursion() -> impl Sync { | ^^^^^^^^^ recursive opaque type @@ -122,7 +122,7 @@ LL | fn mutual_recursion_b() -> impl Sized { | ---------- returning this opaque type `impl Sized` error[E0720]: cannot resolve opaque type - --> $DIR/recursive-impl-trait-type-indirect.rs:81:28 + --> $DIR/recursive-impl-trait-type-indirect.rs:83:28 | LL | fn mutual_recursion() -> impl Sync { | --------- returning this opaque type `impl Sync` diff --git a/tests/ui/lint/must_not_suspend/tuple-mismatch.rs b/tests/ui/lint/must_not_suspend/tuple-mismatch.rs index 2f3c5d9ea29..ec409925d72 100644 --- a/tests/ui/lint/must_not_suspend/tuple-mismatch.rs +++ b/tests/ui/lint/must_not_suspend/tuple-mismatch.rs @@ -1,7 +1,8 @@ -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] fn main() { - let _coroutine = || { + let _coroutine = #[coroutine] + || { yield ((), ((), ())); yield ((), ()); //~^ ERROR mismatched types diff --git a/tests/ui/lint/must_not_suspend/tuple-mismatch.stderr b/tests/ui/lint/must_not_suspend/tuple-mismatch.stderr index 3adf26cfee2..102eadd7aff 100644 --- a/tests/ui/lint/must_not_suspend/tuple-mismatch.stderr +++ b/tests/ui/lint/must_not_suspend/tuple-mismatch.stderr @@ -1,5 +1,5 @@ error[E0308]: mismatched types - --> $DIR/tuple-mismatch.rs:6:20 + --> $DIR/tuple-mismatch.rs:7:20 | LL | yield ((), ()); | ^^ expected `((), ())`, found `()` diff --git a/tests/ui/lint/unused/issue-74883-unused-paren-baren-yield.rs b/tests/ui/lint/unused/issue-74883-unused-paren-baren-yield.rs index c5dd281cb4e..12e2bcb898c 100644 --- a/tests/ui/lint/unused/issue-74883-unused-paren-baren-yield.rs +++ b/tests/ui/lint/unused/issue-74883-unused-paren-baren-yield.rs @@ -1,12 +1,12 @@ #![feature(coroutine_trait)] -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![deny(unused_braces, unused_parens)] use std::ops::Coroutine; use std::pin::Pin; fn main() { - let mut x = |_| { + let mut x = #[coroutine] |_| { while let Some(_) = (yield) {} while let Some(_) = {yield} {} diff --git a/tests/ui/lint/unused/unused-closure.rs b/tests/ui/lint/unused/unused-closure.rs index 9106edee653..4633038cc9b 100644 --- a/tests/ui/lint/unused/unused-closure.rs +++ b/tests/ui/lint/unused/unused-closure.rs @@ -2,7 +2,7 @@ //@ edition:2018 #![feature(async_closure)] -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![deny(unused_must_use)] fn unused() { @@ -26,7 +26,7 @@ fn unused() { fn ignored() { let _ = || {}; - let _ = || yield 42; + let _ = #[coroutine] || yield 42; } fn main() { diff --git a/tests/ui/liveness/liveness-upvars.rs b/tests/ui/liveness/liveness-upvars.rs index 7898b978882..f76efba3e6b 100644 --- a/tests/ui/liveness/liveness-upvars.rs +++ b/tests/ui/liveness/liveness-upvars.rs @@ -1,6 +1,6 @@ //@ edition:2018 //@ check-pass -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![warn(unused)] #![allow(unreachable_code)] @@ -131,7 +131,7 @@ pub fn async_coroutine() { pub fn coroutine() { let mut s: u32 = 0; - let _ = |_| { + let _ = #[coroutine] |_| { s = 0; yield (); s = 1; //~ WARN value assigned to `s` is never read diff --git a/tests/ui/nll/coroutine-distinct-lifetime.rs b/tests/ui/nll/coroutine-distinct-lifetime.rs index ff94a3d54b7..471fad686c4 100644 --- a/tests/ui/nll/coroutine-distinct-lifetime.rs +++ b/tests/ui/nll/coroutine-distinct-lifetime.rs @@ -9,6 +9,7 @@ //@ check-pass fn foo(x: &mut u32) { + #[coroutine] move || { let s = &mut *x; yield; diff --git a/tests/ui/nll/coroutine-upvar-mutability.rs b/tests/ui/nll/coroutine-upvar-mutability.rs index 12853b16b9b..a7d14173fb9 100644 --- a/tests/ui/nll/coroutine-upvar-mutability.rs +++ b/tests/ui/nll/coroutine-upvar-mutability.rs @@ -4,6 +4,8 @@ fn mutate_upvar() { let x = 0; + + #[coroutine] move || { x = 1; //~^ ERROR diff --git a/tests/ui/nll/coroutine-upvar-mutability.stderr b/tests/ui/nll/coroutine-upvar-mutability.stderr index 8922eae3151..8b9be877c8f 100644 --- a/tests/ui/nll/coroutine-upvar-mutability.stderr +++ b/tests/ui/nll/coroutine-upvar-mutability.stderr @@ -1,9 +1,9 @@ error[E0594]: cannot assign to `x`, as it is not declared as mutable - --> $DIR/coroutine-upvar-mutability.rs:8:9 + --> $DIR/coroutine-upvar-mutability.rs:10:9 | LL | let x = 0; | - help: consider changing this to be mutable: `mut x` -LL | move || { +... LL | x = 1; | ^^^^^ cannot assign diff --git a/tests/ui/nll/extra-unused-mut.rs b/tests/ui/nll/extra-unused-mut.rs index 786ba98508f..b040dcc6e5d 100644 --- a/tests/ui/nll/extra-unused-mut.rs +++ b/tests/ui/nll/extra-unused-mut.rs @@ -18,6 +18,8 @@ fn mutable_upvar() { // #50897 fn coroutine_mutable_upvar() { let mut x = 0; + + #[coroutine] move || { x = 1; yield; @@ -36,13 +38,13 @@ struct Expr { // #51904 fn parse_dot_or_call_expr_with(mut attrs: Vec<u32>) { let x = Expr { attrs: vec![] }; - Some(Some(x)).map(|expr| + Some(Some(x)).map(|expr| { expr.map(|mut expr| { attrs.push(666); expr.attrs = attrs; expr }) - ); + }); } // Found when trying to bootstrap rustc diff --git a/tests/ui/nll/issue-48623-coroutine.rs b/tests/ui/nll/issue-48623-coroutine.rs index 3a4a27855d9..63348a2047c 100644 --- a/tests/ui/nll/issue-48623-coroutine.rs +++ b/tests/ui/nll/issue-48623-coroutine.rs @@ -12,7 +12,7 @@ impl Drop for WithDrop { fn reborrow_from_coroutine(r: &mut ()) { let d = WithDrop; - move || { d; yield; &mut *r }; //~ WARN unused coroutine that must be used + #[coroutine] move || { d; yield; &mut *r }; //~ WARN unused coroutine that must be used } fn main() {} diff --git a/tests/ui/nll/issue-48623-coroutine.stderr b/tests/ui/nll/issue-48623-coroutine.stderr index 1b7b1735aac..4e4cd28ef2a 100644 --- a/tests/ui/nll/issue-48623-coroutine.stderr +++ b/tests/ui/nll/issue-48623-coroutine.stderr @@ -1,8 +1,8 @@ warning: unused coroutine that must be used - --> $DIR/issue-48623-coroutine.rs:15:5 + --> $DIR/issue-48623-coroutine.rs:15:18 | -LL | move || { d; yield; &mut *r }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | #[coroutine] move || { d; yield; &mut *r }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: coroutines are lazy and do nothing unless resumed = note: `#[warn(unused_must_use)]` on by default diff --git a/tests/ui/nll/issue-55850.rs b/tests/ui/nll/issue-55850.rs index fc873af9463..bf1e2e7caef 100644 --- a/tests/ui/nll/issue-55850.rs +++ b/tests/ui/nll/issue-55850.rs @@ -23,7 +23,7 @@ where } fn bug<'a>() -> impl Iterator<Item = &'a str> { - GenIter(move || { + GenIter(#[coroutine] move || { let mut s = String::new(); yield &s[..] //~ ERROR cannot yield value referencing local variable `s` [E0515] //~| ERROR borrow may still be in use when coroutine yields diff --git a/tests/ui/packed/packed-struct-drop-aligned.rs b/tests/ui/packed/packed-struct-drop-aligned.rs index 037b8cb78b7..ba3dcb10c61 100644 --- a/tests/ui/packed/packed-struct-drop-aligned.rs +++ b/tests/ui/packed/packed-struct-drop-aligned.rs @@ -1,5 +1,5 @@ //@ run-pass -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![feature(coroutine_trait)] use std::cell::Cell; use std::mem; @@ -7,13 +7,12 @@ use std::ops::Coroutine; use std::pin::Pin; struct Aligned<'a> { - drop_count: &'a Cell<usize> + drop_count: &'a Cell<usize>, } #[inline(never)] fn check_align(ptr: *const Aligned) { - assert_eq!(ptr as usize % mem::align_of::<Aligned>(), - 0); + assert_eq!(ptr as usize % mem::align_of::<Aligned>(), 0); } impl<'a> Drop for Aligned<'a> { @@ -39,7 +38,8 @@ fn main() { assert_eq!(drop_count.get(), 2); let drop_count = &Cell::new(0); - let mut g = || { + let mut g = #[coroutine] + || { let mut p = Packed(NotCopy(0), Aligned { drop_count }); let _ = &p; p.1 = Aligned { drop_count }; diff --git a/tests/ui/polymorphization/coroutine.rs b/tests/ui/polymorphization/coroutine.rs index a989947f787..22ceadfb194 100644 --- a/tests/ui/polymorphization/coroutine.rs +++ b/tests/ui/polymorphization/coroutine.rs @@ -32,6 +32,7 @@ where #[rustc_polymorphize_error] pub fn unused_type<T>() -> impl Coroutine<(), Yield = u32, Return = u32> + Unpin { + #[coroutine] || { //~^ ERROR item has unused generic parameters yield 1; @@ -41,6 +42,7 @@ pub fn unused_type<T>() -> impl Coroutine<(), Yield = u32, Return = u32> + Unpin #[rustc_polymorphize_error] pub fn used_type_in_yield<Y: Default>() -> impl Coroutine<(), Yield = Y, Return = u32> + Unpin { + #[coroutine] || { yield Y::default(); 2 @@ -49,6 +51,7 @@ pub fn used_type_in_yield<Y: Default>() -> impl Coroutine<(), Yield = Y, Return #[rustc_polymorphize_error] pub fn used_type_in_return<R: Default>() -> impl Coroutine<(), Yield = u32, Return = R> + Unpin { + #[coroutine] || { yield 3; R::default() @@ -57,6 +60,7 @@ pub fn used_type_in_return<R: Default>() -> impl Coroutine<(), Yield = u32, Retu #[rustc_polymorphize_error] pub fn unused_const<const T: u32>() -> impl Coroutine<(), Yield = u32, Return = u32> + Unpin { + #[coroutine] || { //~^ ERROR item has unused generic parameters yield 1; @@ -67,6 +71,7 @@ pub fn unused_const<const T: u32>() -> impl Coroutine<(), Yield = u32, Return = #[rustc_polymorphize_error] pub fn used_const_in_yield<const Y: u32>() -> impl Coroutine<(), Yield = u32, Return = u32> + Unpin { + #[coroutine] || { yield Y; 2 @@ -76,6 +81,7 @@ pub fn used_const_in_yield<const Y: u32>() -> impl Coroutine<(), Yield = u32, Re #[rustc_polymorphize_error] pub fn used_const_in_return<const R: u32>() -> impl Coroutine<(), Yield = u32, Return = u32> + Unpin { + #[coroutine] || { yield 4; R diff --git a/tests/ui/polymorphization/coroutine.stderr b/tests/ui/polymorphization/coroutine.stderr index 67b55a59883..07e29184226 100644 --- a/tests/ui/polymorphization/coroutine.stderr +++ b/tests/ui/polymorphization/coroutine.stderr @@ -8,18 +8,20 @@ LL | #![feature(generic_const_exprs, coroutines, coroutine_trait, rustc_attrs)] = note: `#[warn(incomplete_features)]` on by default error: item has unused generic parameters - --> $DIR/coroutine.rs:35:5 + --> $DIR/coroutine.rs:36:5 | LL | pub fn unused_type<T>() -> impl Coroutine<(), Yield = u32, Return = u32> + Unpin { | - generic parameter `T` is unused +LL | #[coroutine] LL | || { | ^^ error: item has unused generic parameters - --> $DIR/coroutine.rs:60:5 + --> $DIR/coroutine.rs:64:5 | LL | pub fn unused_const<const T: u32>() -> impl Coroutine<(), Yield = u32, Return = u32> + Unpin { | ------------ generic parameter `T` is unused +LL | #[coroutine] LL | || { | ^^ diff --git a/tests/ui/print_type_sizes/coroutine.rs b/tests/ui/print_type_sizes/coroutine.rs index 61488c51f05..15335788789 100644 --- a/tests/ui/print_type_sizes/coroutine.rs +++ b/tests/ui/print_type_sizes/coroutine.rs @@ -7,6 +7,7 @@ use std::ops::Coroutine; fn coroutine<const C: usize>(array: [u8; C]) -> impl Coroutine<Yield = (), Return = ()> { + #[coroutine] move |()| { yield (); let _ = array; diff --git a/tests/ui/print_type_sizes/coroutine.stdout b/tests/ui/print_type_sizes/coroutine.stdout index 5d51339558c..339bbddfc2a 100644 --- a/tests/ui/print_type_sizes/coroutine.stdout +++ b/tests/ui/print_type_sizes/coroutine.stdout @@ -1,4 +1,4 @@ -print-type-size type: `{coroutine@$DIR/coroutine.rs:10:5: 10:14}`: 8193 bytes, alignment: 1 bytes +print-type-size type: `{coroutine@$DIR/coroutine.rs:11:5: 11:14}`: 8193 bytes, alignment: 1 bytes print-type-size discriminant: 1 bytes print-type-size variant `Unresumed`: 8192 bytes print-type-size upvar `.array`: 8192 bytes diff --git a/tests/ui/print_type_sizes/coroutine_discr_placement.rs b/tests/ui/print_type_sizes/coroutine_discr_placement.rs index 4b9f67a7999..d97b0b28ed0 100644 --- a/tests/ui/print_type_sizes/coroutine_discr_placement.rs +++ b/tests/ui/print_type_sizes/coroutine_discr_placement.rs @@ -5,11 +5,12 @@ // Tests a coroutine that has its discriminant as the *final* field. // Avoid emitting panic handlers, like the rest of these tests... -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![allow(dropping_copy_types)] pub fn foo() { - let a = || { + let a = #[coroutine] + || { { let w: i32 = 4; yield; diff --git a/tests/ui/print_type_sizes/coroutine_discr_placement.stdout b/tests/ui/print_type_sizes/coroutine_discr_placement.stdout index 71a7f3c6381..4ce1ce46f6e 100644 --- a/tests/ui/print_type_sizes/coroutine_discr_placement.stdout +++ b/tests/ui/print_type_sizes/coroutine_discr_placement.stdout @@ -1,4 +1,4 @@ -print-type-size type: `{coroutine@$DIR/coroutine_discr_placement.rs:12:13: 12:15}`: 8 bytes, alignment: 4 bytes +print-type-size type: `{coroutine@$DIR/coroutine_discr_placement.rs:13:5: 13:7}`: 8 bytes, alignment: 4 bytes print-type-size discriminant: 1 bytes print-type-size variant `Unresumed`: 0 bytes print-type-size variant `Suspend0`: 7 bytes diff --git a/tests/ui/rfcs/rfc-1623-static/rfc1623-2.rs b/tests/ui/rfcs/rfc-1623-static/rfc1623-2.rs index 5d11941414f..97fc1276f61 100644 --- a/tests/ui/rfcs/rfc-1623-static/rfc1623-2.rs +++ b/tests/ui/rfcs/rfc-1623-static/rfc1623-2.rs @@ -4,7 +4,7 @@ fn non_elidable<'a, 'b>(a: &'a u8, b: &'b u8) -> &'a u8 { a } -// The incorrect case without `for<'a>` is tested for in `rfc1623-2.rs` +// The incorrect case without `for<'a>` is tested for in `rfc1623-3.rs` static NON_ELIDABLE_FN: &for<'a> fn(&'a u8, &'a u8) -> &'a u8 = &(non_elidable as for<'a> fn(&'a u8, &'a u8) -> &'a u8); @@ -26,10 +26,10 @@ static SOME_STRUCT: &SomeStruct = &SomeStruct { foo: &Foo { bools: &[false, true] }, bar: &Bar { bools: &[true, true] }, f: &id, - //~^ ERROR implementation of `Fn` is not general enough - //~| ERROR implementation of `Fn` is not general enough - //~| ERROR implementation of `FnOnce` is not general enough + //~^ ERROR implementation of `FnOnce` is not general enough //~| ERROR implementation of `FnOnce` is not general enough + //~| ERROR implementation of `Fn` is not general enough + //~| ERROR implementation of `Fn` is not general enough }; // very simple test for a 'static static with default lifetime diff --git a/tests/ui/rfcs/rfc-2091-track-caller/tracked-closure.rs b/tests/ui/rfcs/rfc-2091-track-caller/tracked-closure.rs index d5c8a529e1e..9fdceefbf9b 100644 --- a/tests/ui/rfcs/rfc-2091-track-caller/tracked-closure.rs +++ b/tests/ui/rfcs/rfc-2091-track-caller/tracked-closure.rs @@ -113,7 +113,7 @@ fn dyn_coroutine( } fn test_coroutine() { - let coroutine = #[track_caller] |arg: String| { + let coroutine = #[track_caller] #[coroutine] |arg: String| { yield ("first", arg.clone(), Location::caller()); yield ("second", arg.clone(), Location::caller()); }; @@ -136,7 +136,7 @@ fn test_coroutine() { assert_eq!(mono_loc.line(), mono_line); assert_eq!(mono_loc.column(), 42); - let non_tracked_coroutine = || { yield Location::caller(); }; + let non_tracked_coroutine = #[coroutine] || { yield Location::caller(); }; let non_tracked_line = line!() - 1; // This is the line of the coroutine, not its caller let non_tracked_loc = match Box::pin(non_tracked_coroutine).as_mut().resume(()) { CoroutineState::Yielded(val) => val, @@ -144,7 +144,7 @@ fn test_coroutine() { }; assert_eq!(non_tracked_loc.file(), file!()); assert_eq!(non_tracked_loc.line(), non_tracked_line); - assert_eq!(non_tracked_loc.column(), 44); + assert_eq!(non_tracked_loc.column(), 57); } diff --git a/tests/ui/sanitizer/cfi-coroutine.rs b/tests/ui/sanitizer/cfi-coroutine.rs index 5c6a489a7e8..ad994fcf737 100644 --- a/tests/ui/sanitizer/cfi-coroutine.rs +++ b/tests/ui/sanitizer/cfi-coroutine.rs @@ -14,7 +14,7 @@ //@ compile-flags: --test -Z unstable-options //@ run-pass -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] #![feature(coroutine_trait)] #![feature(noop_waker)] #![feature(gen_blocks)] @@ -27,7 +27,7 @@ use std::async_iter::AsyncIterator; #[test] fn general_coroutine() { - let mut coro = |x: i32| { + let mut coro = #[coroutine] |x: i32| { yield x; "done" }; diff --git a/tests/ui/suggestions/issue-84973-blacklist.rs b/tests/ui/suggestions/issue-84973-blacklist.rs index 6a35d779c1c..edc0637636b 100644 --- a/tests/ui/suggestions/issue-84973-blacklist.rs +++ b/tests/ui/suggestions/issue-84973-blacklist.rs @@ -14,7 +14,7 @@ struct S; fn main() { f_copy("".to_string()); //~ ERROR: the trait bound `String: Copy` is not satisfied [E0277] f_clone(S); //~ ERROR: the trait bound `S: Clone` is not satisfied [E0277] - f_unpin(static || { yield; }); + f_unpin(#[coroutine] static || { yield; }); //~^ ERROR: cannot be unpinned [E0277] let cl = || (); diff --git a/tests/ui/suggestions/issue-84973-blacklist.stderr b/tests/ui/suggestions/issue-84973-blacklist.stderr index 33338228328..4fd063e4692 100644 --- a/tests/ui/suggestions/issue-84973-blacklist.stderr +++ b/tests/ui/suggestions/issue-84973-blacklist.stderr @@ -36,11 +36,11 @@ LL + #[derive(Clone)] LL | struct S; | -error[E0277]: `{static coroutine@$DIR/issue-84973-blacklist.rs:17:13: 17:22}` cannot be unpinned - --> $DIR/issue-84973-blacklist.rs:17:13 +error[E0277]: `{static coroutine@$DIR/issue-84973-blacklist.rs:17:26: 17:35}` cannot be unpinned + --> $DIR/issue-84973-blacklist.rs:17:26 | -LL | f_unpin(static || { yield; }); - | ------- ^^^^^^^^^^^^^^^^^^^^ the trait `Unpin` is not implemented for `{static coroutine@$DIR/issue-84973-blacklist.rs:17:13: 17:22}` +LL | f_unpin(#[coroutine] static || { yield; }); + | ------- ^^^^^^^^^^^^^^^^^^^^ the trait `Unpin` is not implemented for `{static coroutine@$DIR/issue-84973-blacklist.rs:17:26: 17:35}` | | | required by a bound introduced by this call | diff --git a/tests/ui/suggestions/unnamable-types.rs b/tests/ui/suggestions/unnamable-types.rs index a4e32d7c806..dd2c3536eb9 100644 --- a/tests/ui/suggestions/unnamable-types.rs +++ b/tests/ui/suggestions/unnamable-types.rs @@ -1,7 +1,7 @@ // Test that we do not suggest to add type annotations for unnamable types. #![crate_type="lib"] -#![feature(coroutines)] +#![feature(coroutines, stmt_expr_attributes)] const A = 5; //~^ ERROR: missing type for `const` item @@ -34,6 +34,6 @@ const F = S { t: foo }; //~| HELP: provide a type for the constant -const G = || -> i32 { yield 0; return 1; }; +const G = #[coroutine] || -> i32 { yield 0; return 1; }; //~^ ERROR: missing type for `const` item //~| NOTE: however, the inferred type diff --git a/tests/ui/suggestions/unnamable-types.stderr b/tests/ui/suggestions/unnamable-types.stderr index d003b91691c..6623678fd0c 100644 --- a/tests/ui/suggestions/unnamable-types.stderr +++ b/tests/ui/suggestions/unnamable-types.stderr @@ -52,14 +52,14 @@ LL | const F = S { t: foo }; error: missing type for `const` item --> $DIR/unnamable-types.rs:37:8 | -LL | const G = || -> i32 { yield 0; return 1; }; +LL | const G = #[coroutine] || -> i32 { yield 0; return 1; }; | ^ | -note: however, the inferred type `{coroutine@$DIR/unnamable-types.rs:37:11: 37:20}` cannot be named - --> $DIR/unnamable-types.rs:37:11 +note: however, the inferred type `{coroutine@$DIR/unnamable-types.rs:37:24: 37:33}` cannot be named + --> $DIR/unnamable-types.rs:37:24 | -LL | const G = || -> i32 { yield 0; return 1; }; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | const G = #[coroutine] || -> i32 { yield 0; return 1; }; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: aborting due to 7 previous errors diff --git a/tests/ui/traits/next-solver/coroutine.fail.stderr b/tests/ui/traits/next-solver/coroutine.fail.stderr index 14e67727d0b..e880d05a4dd 100644 --- a/tests/ui/traits/next-solver/coroutine.fail.stderr +++ b/tests/ui/traits/next-solver/coroutine.fail.stderr @@ -1,16 +1,16 @@ -error[E0277]: the trait bound `{coroutine@$DIR/coroutine.rs:18:21: 18:23}: Coroutine<A>` is not satisfied - --> $DIR/coroutine.rs:18:21 +error[E0277]: the trait bound `{coroutine@$DIR/coroutine.rs:20:9: 20:11}: Coroutine<A>` is not satisfied + --> $DIR/coroutine.rs:20:9 | -LL | needs_coroutine(|| { - | _____---------------_^ - | | | - | | required by a bound introduced by this call +LL | needs_coroutine( + | --------------- required by a bound introduced by this call +LL | #[coroutine] +LL | / || { LL | | LL | | LL | | -LL | | yield (); -LL | | }); - | |_____^ the trait `Coroutine<A>` is not implemented for `{coroutine@$DIR/coroutine.rs:18:21: 18:23}` +LL | | yield (); +LL | | }, + | |_________^ the trait `Coroutine<A>` is not implemented for `{coroutine@$DIR/coroutine.rs:20:9: 20:11}` | note: required by a bound in `needs_coroutine` --> $DIR/coroutine.rs:14:28 @@ -18,19 +18,19 @@ note: required by a bound in `needs_coroutine` LL | fn needs_coroutine(_: impl Coroutine<A, Yield = B, Return = C>) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `needs_coroutine` -error[E0271]: type mismatch resolving `<{coroutine@$DIR/coroutine.rs:18:21: 18:23} as Coroutine<A>>::Yield == B` - --> $DIR/coroutine.rs:18:21 +error[E0271]: type mismatch resolving `<{coroutine@$DIR/coroutine.rs:20:9: 20:11} as Coroutine<A>>::Yield == B` + --> $DIR/coroutine.rs:20:9 | -LL | needs_coroutine(|| { - | _____---------------_^ - | | | - | | required by a bound introduced by this call +LL | needs_coroutine( + | --------------- required by a bound introduced by this call +LL | #[coroutine] +LL | / || { LL | | LL | | LL | | -LL | | yield (); -LL | | }); - | |_____^ types differ +LL | | yield (); +LL | | }, + | |_________^ types differ | note: required by a bound in `needs_coroutine` --> $DIR/coroutine.rs:14:41 @@ -38,19 +38,19 @@ note: required by a bound in `needs_coroutine` LL | fn needs_coroutine(_: impl Coroutine<A, Yield = B, Return = C>) {} | ^^^^^^^^^ required by this bound in `needs_coroutine` -error[E0271]: type mismatch resolving `<{coroutine@$DIR/coroutine.rs:18:21: 18:23} as Coroutine<A>>::Return == C` - --> $DIR/coroutine.rs:18:21 +error[E0271]: type mismatch resolving `<{coroutine@$DIR/coroutine.rs:20:9: 20:11} as Coroutine<A>>::Return == C` + --> $DIR/coroutine.rs:20:9 | -LL | needs_coroutine(|| { - | _____---------------_^ - | | | - | | required by a bound introduced by this call +LL | needs_coroutine( + | --------------- required by a bound introduced by this call +LL | #[coroutine] +LL | / || { LL | | LL | | LL | | -LL | | yield (); -LL | | }); - | |_____^ types differ +LL | | yield (); +LL | | }, + | |_________^ types differ | note: required by a bound in `needs_coroutine` --> $DIR/coroutine.rs:14:52 diff --git a/tests/ui/traits/next-solver/coroutine.rs b/tests/ui/traits/next-solver/coroutine.rs index 2b5bf01cefd..1882a62cf29 100644 --- a/tests/ui/traits/next-solver/coroutine.rs +++ b/tests/ui/traits/next-solver/coroutine.rs @@ -15,18 +15,24 @@ fn needs_coroutine(_: impl Coroutine<A, Yield = B, Return = C>) {} #[cfg(fail)] fn main() { - needs_coroutine(|| { - //[fail]~^ ERROR Coroutine<A>` is not satisfied - //[fail]~| ERROR as Coroutine<A>>::Yield == B` - //[fail]~| ERROR as Coroutine<A>>::Return == C` - yield (); - }); + needs_coroutine( + #[coroutine] + || { + //[fail]~^ ERROR Coroutine<A>` is not satisfied + //[fail]~| ERROR as Coroutine<A>>::Yield == B` + //[fail]~| ERROR as Coroutine<A>>::Return == C` + yield (); + }, + ); } #[cfg(pass)] fn main() { - needs_coroutine(|_: A| { - let _: A = yield B; - C - }) + needs_coroutine( + #[coroutine] + |_: A| { + let _: A = yield B; + C + }, + ) } diff --git a/tests/ui/type-alias-impl-trait/issue-53678-coroutine-and-const-fn.rs b/tests/ui/type-alias-impl-trait/issue-53678-coroutine-and-const-fn.rs index cd14bc1fd09..0d9126d3993 100644 --- a/tests/ui/type-alias-impl-trait/issue-53678-coroutine-and-const-fn.rs +++ b/tests/ui/type-alias-impl-trait/issue-53678-coroutine-and-const-fn.rs @@ -9,6 +9,7 @@ mod gen { pub type CoroOnce<Y, R> = impl Coroutine<Yield = Y, Return = R>; pub const fn const_coroutine<Y, R>(yielding: Y, returning: R) -> CoroOnce<Y, R> { + #[coroutine] move || { yield yielding; diff --git a/tests/ui/type-alias-impl-trait/issue-58662-coroutine-with-lifetime.rs b/tests/ui/type-alias-impl-trait/issue-58662-coroutine-with-lifetime.rs index 78a1d5116be..899e81ed562 100644 --- a/tests/ui/type-alias-impl-trait/issue-58662-coroutine-with-lifetime.rs +++ b/tests/ui/type-alias-impl-trait/issue-58662-coroutine-with-lifetime.rs @@ -8,6 +8,7 @@ use std::pin::Pin; type RandCoroutine<'a> = impl Coroutine<Return = (), Yield = u64> + 'a; fn rand_coroutine<'a>(rng: &'a ()) -> RandCoroutine<'a> { + #[coroutine] move || { let _rng = rng; loop { @@ -19,6 +20,7 @@ fn rand_coroutine<'a>(rng: &'a ()) -> RandCoroutine<'a> { pub type RandCoroutineWithIndirection<'c> = impl Coroutine<Return = (), Yield = u64> + 'c; pub fn rand_coroutine_with_indirection<'a>(rng: &'a ()) -> RandCoroutineWithIndirection<'a> { fn helper<'b>(rng: &'b ()) -> impl 'b + Coroutine<Return = (), Yield = u64> { + #[coroutine] move || { let _rng = rng; loop { diff --git a/tests/ui/type-alias-impl-trait/issue-94429.rs b/tests/ui/type-alias-impl-trait/issue-94429.rs index 306e73003fa..11beed06a20 100644 --- a/tests/ui/type-alias-impl-trait/issue-94429.rs +++ b/tests/ui/type-alias-impl-trait/issue-94429.rs @@ -14,6 +14,7 @@ impl Runnable for Implementor { fn run(&mut self) -> Self::Coro { //~^ ERROR: type mismatch resolving + #[coroutine] move || { yield 1; } diff --git a/tests/ui/type-alias-impl-trait/issue-94429.stderr b/tests/ui/type-alias-impl-trait/issue-94429.stderr index 5d081e6b1ef..4c2020becbe 100644 --- a/tests/ui/type-alias-impl-trait/issue-94429.stderr +++ b/tests/ui/type-alias-impl-trait/issue-94429.stderr @@ -1,4 +1,4 @@ -error[E0271]: type mismatch resolving `<{coroutine@$DIR/issue-94429.rs:17:9: 17:16} as Coroutine>::Yield == ()` +error[E0271]: type mismatch resolving `<{coroutine@$DIR/issue-94429.rs:18:9: 18:16} as Coroutine>::Yield == ()` --> $DIR/issue-94429.rs:15:26 | LL | fn run(&mut self) -> Self::Coro { diff --git a/tests/ui/weird-exprs.rs b/tests/ui/weird-exprs.rs index 0009ed0e34c..08b5517aae2 100644 --- a/tests/ui/weird-exprs.rs +++ b/tests/ui/weird-exprs.rs @@ -152,6 +152,7 @@ fn r#match() { } fn i_yield() { + #[coroutine] static || { yield yield yield yield yield yield yield yield yield; }; |