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Co-authored-by: Ralf Jung <post@ralfj.de>
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This was done by making the tracing_chrome tracing layer check if "tracing_separate_line" was in the arguments of a span, and act accordingly.
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this removes the need for --unsafe-perm in the Dockerfile.
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Implements https://www.github.com/rust-lang/rust/issues/141358.
This has 2 primary benefits:
1. For rustdoc-json consumers, they no longer need to parse strings of
attributes, but it's there in a structured and normalized way.
2. For rustc contributors, the output of HIR pretty printing is no
longer a versioned thing in the output. People can work on
https://github.com/rust-lang/rust/issues/131229 without needing to
bump `FORMAT_VERSION`.
(Over time, as the attribute refractor continues, I expect we'll add new
things to `rustdoc_json_types::Attribute`. But this can be done
separately to the rustc changes).
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chore: Cleanup cargo config queries
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Add std::hint::spin_loop() to tests
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Instead of making this a build parameter, pass the SCRIPT as an
environment variable.
To this purpose, normalize on always referring to a script in
`/scripts`.
For i686-gnu-nopt-2 I had to create a separate script, because
Docker seems to be really terrible at command line argument
parsing, so it's not possible to pass an environment variable that
contains whitespace.
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Add tracing spans to borrow tracker functions
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... but the function name is specified in the arguments, see https://github.com/rust-lang/miri/pull/4452#discussion_r2204958019
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Includes a custom syntax shortand to enter_trace_span! with NAME::SUBNAME.
MaybeEnteredTraceSpan is `pub use`d in lib.rs to make it available also in bin/, just in case.
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Update books
## rust-lang/book
3 commits in ef1ce8f87a8b18feb1b6a9cf9a4939a79bde6795..b2d1a0821e12a676b496d61891b8e3d374a8e832
2025-07-08 17:24:41 UTC to 2025-07-02 21:30:57 UTC
- Chapter 16 from tech review (rust-lang/book#4438)
- WIP ch 17 edits after tech review (rust-lang/book#4319)
- Chapter 15 from tech review (rust-lang/book#4433)
## rust-embedded/book
1 commits in 41f688a598a5022b749e23d37f3c524f6a0b28e1..fe88fbb68391a465680dd91109f0a151a1676f3e
2025-07-08 18:54:25 UTC to 2025-07-08 18:54:25 UTC
- Clarify usage of #[interrupt] attribute and recommend device crate re… (rust-embedded/book#386)
## rust-lang/nomicon
3 commits in 8b61acfaea822e9ac926190bc8f15791c33336e8..3ff384320598bbe8d8cfe5cb8f18f78a3a3e6b15
2025-07-05 07:34:22 UTC to 2025-07-05 07:13:51 UTC
- Add build script part to FFI chapter for more clear and smooth learn … (rust-lang/nomicon#440)
- Cleanups for tree example of splitting borrows (rust-lang/nomicon#443)
- Handle drop zst (rust-lang/nomicon#425)
## rust-lang/reference
17 commits in e9fc99f107840813916f62e16b3f6d9556e1f2d8..1f45bd41fa6c17b7c048ed6bfe5f168c4311206a
2025-07-11 23:15:51 UTC to 2025-07-01 16:49:33 UTC
- mention an important use for the naked attribute (rust-lang/reference#1929)
- Array expression repeat operands can be const blocks. (rust-lang/reference#1928)
- Document (tuple) struct pattern namespace behavior (rust-lang/reference#1925)
- Replace set of en dashes with set of em dashes (rust-lang/reference#1926)
- Update `should_panic` to use the attribute template (rust-lang/reference#1882)
- const-eval.const-expr.borrows: mention indirect places (rust-lang/reference#1865)
- associated-items.md: remove redundant word (rust-lang/reference#1874)
- introduction.md: replace hard-to-read example (rust-lang/reference#1873)
- typo (rust-lang/reference#1924)
- Update `ignore` to use the attribute template (rust-lang/reference#1881)
- Update `test` to use the attribute template (rust-lang/reference#1880)
- Update `cfg_attr` to use the attribute template (rust-lang/reference#1879)
- Update `cfg` to use the attribute template (rust-lang/reference#1878)
- allow constants to refer to mutable/external memory, but reject such constants as patterns (rust-lang/reference#1859)
- Remove outdated comment about non-copy unions (rust-lang/reference#1872)
- Add a template for documenting attributes (rust-lang/reference#1877)
- Switch enum grammar to use "variant" (rust-lang/reference#1876)
## rust-lang/rust-by-example
1 commits in 288b4e4948add43f387cad35adc7b1c54ca6fe12..e386be5f44af711854207c11fdd61bb576270b04
2025-07-04 23:17:15 UTC to 2025-07-04 23:17:15 UTC
- Update Chinese translations (rust-lang/rust-by-example#1943)
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Recover and suggest to use `;` to construct array type
Fixes rust-lang/rust#143828
r? compiler
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Adjust `run_make_support::symbols` helpers
Massage the `symbols` helpers to fill out {match all, match any} x {substring match, exact match}:
| | Substring match | Exact match |
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| Match any | `object_contains_any_symbol_substring` | `object_contains_any_symbol` |
| Match all | `object_contains_all_symbol_substring` | `object_contains_all_symbols` |
As I'd like to use `object_contains_all_symbols` for rust-lang/rust#143669.
As part of this:
- Rename `any_symbol_contains` to `object_contains_any_symbol_substring` for accuracy, as `any_symbol_contains` is actually "contains any matching substring".
- Remove `with_symbol_iter`.
Noticed while working on https://github.com/rust-lang/rust/pull/143669.
r? ``@ChrisDenton`` (or compiler)
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Don't panic if WASI_SDK_PATH not set when detecting compiler
The fedora packaging builds the wasm sysroot outside of the rust build system. Fedora applies a couple of patches related to wasm which I think make this possible. Not panicking seems consistent with the detection logic of other targets when they cannot find cc.
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Drop `./x suggest`
This PR removes the current `./x suggest` implementation (rust-lang/rust#109933, rust-lang/rust#106249) and associated docs for several reasons:
1. Primarily, `./x suggest` is another "flow" in bootstrap that incurs extra complexity and more invariants that bootstrap has to maintain. This causes more friction when trying to investigate and fix staging problems. As far as I know, this flow has not been actively maintained in quite a while, and I'm not aware of interest in maintaining it. Bootstrap really could use less implementation complexity with a very limited maintenance bandwidth.
2. The current `./x suggest` implementation "bypasses" the usual stage defaults for the various check/build/test/etc. flows, and it's not really possible to have a stage default because `./x suggest --run` produces a *sequence* of suggestions like [`./x check`, `./x test library/std`, ..] and then tries to run all of them in sequence, based on which files are modified.
3. We've not seen a lot of interest both in using it or extending static/dynamic test suggestions. Last extensions were rust-lang/rust#117961 and rust-lang/rust#120763. I'm not convinced the extra implementation complexity is worth it. This was discussed in:
- [#t-infra/bootstrap > Dropping the current `./x suggest` flow implementation](https://rust-lang.zulipchat.com/#narrow/channel/326414-t-infra.2Fbootstrap/topic/Dropping.20the.20current.20.60.2E.2Fx.20suggest.60.20flow.20implementation/with/527456699)
- [#t-compiler > Dropping current `./x suggest` implementation](https://rust-lang.zulipchat.com/#narrow/channel/131828-t-compiler/topic/Dropping.20current.20.60.2E.2Fx.20suggest.60.20implementation/with/527528696)
Closes rust-lang/rust#109933 (the current implementation is being removed).
Closes rust-lang/rust#143569 (by removing `./x suggest` altogether).
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r=workingjubilee,fmease,jieyouxu
tests: Fix duplicated-path-in-error fail with musl
musl's dlopen returns a different error than glibc, which contains the name of the file. This would cause the test to fail, since the filename would appear twice in the output (once in the error from rustc, once in the error message from musl). Split the expected test outputs for the different libc implementations.
Fixes rust-lang/rust#128474
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Changelog: https://github.com/rust-lang/mdBook/blob/master/CHANGELOG.md#mdbook-0452
This primarily picks up a few fixes.
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tweak some git clone commands
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We should not only in type position.
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They are not always needed when building std, as is the case when
packaging on Fedora. Panic if building from CI, but warn otherwise.
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Clippy subtree update
r? `@Manishearth`
Cargo.lock update due to `ui_test` bump and restructure.
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