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Fix CI for drop_guard
fix CI
fix all tidy lints
fix tidy link
add first batch of feedback from review
Add second batch of feedback from review
add third batch of feedback from review
fix failing test
Update library/core/src/mem/drop_guard.rs
Co-authored-by: Ruby Lazuli <general@patchmixolydic.com>
fix doctests
Implement changes from T-Libs-API review
And start tracking based on the tracking issue.
fix tidy lint
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Reduce required `cc` crate version for `genmc-sys` sub-crate
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Rollup of 7 pull requests
Successful merges:
- rust-lang/rust#144072 (update `Atomic*::from_ptr` and `Atomic*::as_ptr` docs)
- rust-lang/rust#144151 (`tests/ui/issues/`: The Issues Strike Back [1/N])
- rust-lang/rust#144300 (Clippy fixes for miropt-test-tools)
- rust-lang/rust#144399 (Add a ratchet for moving all standard library tests to separate packages)
- rust-lang/rust#144472 (str: Mark unstable `round_char_boundary` feature functions as const)
- rust-lang/rust#144503 (Various refactors to the codegen coordinator code (part 3))
- rust-lang/rust#144530 (coverage: Infer `instances_used` from `pgo_func_name_var_map`)
r? `@ghost`
`@rustbot` modify labels: rollup
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- this removes one external dependency, mdbook-toc
- this steals code from rustc book
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Rustup
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cleaning some "error pattern" text
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Rustc pull update
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coverage: Infer `instances_used` from `pgo_func_name_var_map`
In obscure circumstances involving macro-expanded spans, we would sometimes emit a covfun record for a function with no physical coverage counters, and therefore no corresponding entry in the “PGO names” section of the binary. The absence of that name entry causes `llvm-cov` to fail with the cryptic error message:
```text
malformed instrumentation profile data: function name is empty
```
We can eliminate this mismatch by removing `instances_used` entirely, and instead inferring its contents from the keys of `pgo_func_name_var_map`.
This makes it impossible for a "used" function to lack a PGO name entry.
---
This is an attempt to eliminate the cause of rust-lang/rust#141577 when re-landing changes like rust-lang/rust#144298 in the future.
I haven't been able to reproduce the underlying issue in an in-tree test, because the only known repro involves a non-trivial derive proc-macro that relies on `syn` and `proc-macro2`. But I have manually verified in a separate branch that this change would have prevented the reoccurrence of https://github.com/rust-lang/rust/issues/141577#issuecomment-3120667286.
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Various refactors to the codegen coordinator code (part 3)
Continuing from https://github.com/rust-lang/rust/pull/144062 this removes an option without any known users, uses the object crate in favor of LLVM for getting the LTO bitcode and improves the coordinator channel handling.
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str: Mark unstable `round_char_boundary` feature functions as const
Mark `floor_char_boundary`, `ceil_char_boundary` const
Simplify the implementations, reducing the number of arithmetic operations
It seems unnecessary to do the lower/upper bounds calculations and extra slicing when we can jump straight to inspecting the bytes, assuming the underlying data is valid UTF-8.
Tracking issue https://github.com/rust-lang/rust/issues/93743
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r=Mark-Simulacrum
Add a ratchet for moving all standard library tests to separate packages
https://github.com/rust-lang/rust/pull/136642 is the previous PR in this series. See https://github.com/rust-lang/rust/pull/135937 for the rationale of wanting to move all standard library tests to separate packages.
This also fixes std_detect testing on riscv.
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Clippy fixes for miropt-test-tools
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`tests/ui/issues/`: The Issues Strike Back [1/N]
I believe I’ve finally brought [my program](https://github.com/Kivooeo/test-manager) to life -- it now handles multiple test moves in one go: plain moves first, then a gentle touch on each file depends on given options. The process should be much smoother now.
Of course, I won’t rush through everything in a few days -- that would be unkind to `@Oneirical.` I’ll pace myself. And also I can't have more than one such PR because `issues.txt` will conflict with previous parts after merging them which is not fun as well.
This PR is just that: first commit - moves; second - regression comments and the occasional .stderr reblesses, also issue.txt and tidy changes. Nothing special, but progress nonetheless. This is for the purpose of preserving test file history during restructuring
Part of https://github.com/rust-lang/rust/issues/133895.
r? `@jieyouxu`
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update `Atomic*::from_ptr` and `Atomic*::as_ptr` docs
Since https://github.com/rust-lang/rust/pull/128778, it's allowed to perform atomic read and non-atomic read on the same atomic at the same time. Update the `Atomic*::from_ptr` and `Atomic*::as_ptr` documentation to remove expressions such as `not allowed to mix atomic and non-atomic accesses`.
see also [std::sync::atomic](https://doc.rust-lang.org/std/sync/atomic/index.html#memory-model-for-atomic-accesses)
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Pull recent changes from https://github.com/rust-lang/rust via Josh.
Upstream ref: 733dab558992d902d6d17576de1da768094e2cf3
Filtered ref: 8f0faf94fb41d4e2a85ef2d23e5495f6bea1f31d
This merge was created using https://github.com/rust-lang/josh-sync.
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This updates the rust-version file to 733dab558992d902d6d17576de1da768094e2cf3.
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minor: Adjust triagebot config for rustc-josh-sync
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Some `let chains` clean-up
Not sure if this kind of clean-up is welcoming because of size, but I decided to try out one
r? compiler
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Pull recent changes from https://github.com/rust-lang/rust via Josh.
Upstream ref: 2b5e239c6b86cde974b0ef0f8e23754fb08ff3c5
Filtered ref: dde2393b3444ae8595633863f4395f526b1b7932
This merge was created using https://github.com/rust-lang/josh-sync.
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This updates the rust-version file to 2b5e239c6b86cde974b0ef0f8e23754fb08ff3c5.
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Rollup of 6 pull requests
Successful merges:
- rust-lang/rust#143607 (Port the proc macro attributes to the new attribute parsing infrastructure)
- rust-lang/rust#144471 (Remove `compiler-builtins-{no-asm,mangled-names}`)
- rust-lang/rust#144495 (bump cargo_metadata)
- rust-lang/rust#144523 (rustdoc: save target modifiers)
- rust-lang/rust#144534 (check_static_item: explain should_check_for_sync choices)
- rust-lang/rust#144535 (miri: for ABI mismatch errors, say which argument is the problem)
Failed merges:
- rust-lang/rust#144536 (miri subtree update)
r? `@ghost`
`@rustbot` modify labels: rollup
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miri: for ABI mismatch errors, say which argument is the problem
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check_static_item: explain should_check_for_sync choices
Follow-up to https://github.com/rust-lang/rust/pull/144226.
r? ``@oli-obk``
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rustdoc: save target modifiers
`rustdoc` was filling a `target_modifiers` variable, but it was not using the result.
In turn, that means that trying to use a dependency that set a target modifier fails.
For instance, running:
```sh
RUSTC_BOOTSTRAP=1 rustc --edition=2024 --target=aarch64-unknown-none-softfloat --sysroot=/dev/null --emit=metadata -Zfixed-x18 --crate-type rlib --crate-name core $(rustc --print sysroot)/lib/rustlib/src/rust/library/core/src/lib.rs
echo '#![allow(internal_features)]
' | RUSTC_BOOTSTRAP=1 rustdoc --edition=2021 --target=aarch64-unknown-none-softfloat --sysroot=/dev/null -Zfixed-x18 --extern core=libcore.rmeta -
```
will fail with:
```text
error: mixing `-Zfixed-x18` will cause an ABI mismatch in crate `rust_out`
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= help: the `-Zfixed-x18` flag modifies the ABI so Rust crates compiled with different values of this flag cannot be used together safely
= note: unset `-Zfixed-x18` in this crate is incompatible with `-Zfixed-x18=` in dependency `core`
= help: set `-Zfixed-x18=` in this crate or unset `-Zfixed-x18` in `core`
= help: if you are sure this will not cause problems, you may use `-Cunsafe-allow-abi-mismatch=fixed-x18` to silence this error
```
Thus save the targets modifiers in `Options` to then pass it to the session options, so that eventually the diff can be performed as expected in `report_incompatible_target_modifiers()`.
Cc: ``@azhogin``
Fixes: https://github.com/rust-lang/rust/issues/144521
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bump cargo_metadata
Bumps cargo_metadata. Change that required fixes is: https://github.com/oli-obk/cargo_metadata/commit/e3373d02e79dc64adbecb3fe32fecc1dd324bba6
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Remove `compiler-builtins-{no-asm,mangled-names}`
Remove `compiler-builtins-no-asm`
This feature used to be for when Cranelift didn't support inline
assembly, but its last uses were removed in 52933e0bd200 ("Don't disable
inline asm usage in compiler-builtins when the cranelift backend is
enabled"). and cba05a7a14b3 ("Support naked functions").
This doesn't remove the feature from the `compiler-builtins` crate, that
will be done separately in the subtree repo.
---
Remove `compiler-builtins-mangled-names`
This config was added in 207de019dc67 ("libary: Forward
compiler-builtins "asm" and "mangled-names" feature") but it does not
appear this has ever been used. The PR adding it (rust-lang/rust#78472) says that
this was exposed to help with configuration and points at the [Hermit
Cargo config], but as far as I can tell, this feature name has never
been mentioned in that repository's git history.
Thus, clean up a seemingly unneeded feature.
[Hermit Cargo config]: https://github.com/hermit-os/hermit-rs/blob/ab2b830930e6a9a98c8294997a8183feeabeda4a/.cargo/config
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r=jdonszelmann,traviscross
Port the proc macro attributes to the new attribute parsing infrastructure
Ports `#[proc_macro]`, `#[proc_macro_attribute]`, `#[proc_macro_derive]` and `#[rustc_builtin_macro]` to the new attribute parsing infrastructure for https://github.com/rust-lang/rust/issues/131229#issuecomment-2971351163
I've split this PR into commits for reviewability, and left some comments to clarify things
I did 4 related attributes in one PR because they share a lot of their code and logic, and doing them separately is kind of annoying as I need to leave both the old and new parsing in place then.
r? ``@oli-obk``
cc ``@jdonszelmann``
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Don't special-case llvm.* as nounwind
Certain LLVM intrinsics, such as `llvm.wasm.throw`, can unwind. Marking them as nounwind causes us to skip cleanup of locals and optimize out `catch_unwind` under inlining or when `llvm.wasm.throw` is used directly by user code.
The motivation for forcibly marking llvm.* as nounwind is no longer present: most intrinsics are linked as `extern "C"` or other non-unwinding ABIs, so we won't codegen `invoke` for them anyway.
Closes rust-lang/rust#132416.
`@rustbot` label +T-compiler +A-panic
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In rustc it doesn't really matter what the order of the witnesses is, but I'm planning to use the witnesses for implementing the "add missing match arms" assist in rust-analyzer, and there `true` before `false` is the natural order (like `Some` before `None`), and also what the current assist does.
The current order doesn't seem to be intentional; the code was created when bool ctors became their own thing, not just int ctors, but for integer, 0 before 1 is indeed the natural order.
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