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Rollup of 7 pull requests
Successful merges:
- #132782 (improvements on initial sysroot and libdir finding logics)
- #133466 (Fix typos in pin.rs)
- #133492 (bootstrap: allow skipping steps with start of path)
- #133501 (support revealing defined opaque post borrowck)
- #133530 (Use consistent wording in docs, use is zero instead of is 0)
- #133538 (Better diagnostic for fn items in variadic functions)
- #133590 (Rename `-Zparse-only`)
r? `@ghost`
`@rustbot` modify labels: rollup
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support revealing defined opaque post borrowck
By adding a new `TypingMode::PostBorrowckAnalysis`. Currently only supported with the new solver and I didn't look into the way we replace `ReErased`. ``@compiler-errors`` mentioned that always using existentials may be unsound.
r? ``@compiler-errors``
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bootstrap: allow skipping steps with start of path
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improvements on initial sysroot and libdir finding logics
Stabilized initial sysroot and libdir path resolution logic to work without dry-run conditions and utilized initial sysroot more broadly.
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Remove `HybridBitSet`
`HybridBitSet` was introduced under the name `HybridIdxSetBuf` way back in #53383 where it was a big win for NLL borrow checker performance. In #93984 the more flexible `ChunkedBitSet` was added. Uses of `HybridBitSet` have gradually disappeared (e.g. #116152) and there are now few enough that they can be replaced with `BitSet` or `ChunkedBitSet`, and `HybridBitSet` can be removed, cutting more than 700 lines of code.
r? `@Mark-Simulacrum`
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The compiler uses `BitSet<Local>`, because the number of locals doesn't
get that high, so clippy should do likewise.
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Co-authored-by: Eric Huss <eric@huss.org>
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Previous setup instructions did not work without. (i.e. the envrc would
not do anything, `nix flake show..` would provide unhelpful error)
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other items
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Compiletest: add proc-macro header
This adds a `proc-macro` header to simplify using proc-macros, and to reduce boilerplate. This header works similar to the `aux-build` header where you pass a path for a proc-macro to be built.
This allows the `force-host`, `no-prefer-dynamic` headers, and `crate_type` attribute to be removed. Additionally it uses `--extern` like `aux_crate` (allows implicit `extern crate` in 2018) and `--extern proc_macro` (to place in the prelude in 2018).
~~This also includes a secondary change which defaults the edition of proc-macros to 2024. This further reduces boilerplate (removing `extern crate proc_macro;`), and allows using modern Rust syntax. I was a little on the fence including this. I personally prefer it, but I can imagine it might be confusing to others.~~ EDIT: Removed
Some tests were changed so that when there is a chain of dependencies A→B→C, that the `@ proc-macro` is placed in `B` instead of `A` so that the `--extern` flag works correctly (previously it depended on `-L` to find `C`). I think this is better to make the dependencies more explicit. None of these tests looked like the were actually testing this behavior.
There is one test that had an unexplained output change: `tests/ui/macros/same-sequence-span.rs`. I do not know why it changed, but it didn't look like it was particularly important. Perhaps there was a normalization issue?
This is currently not compatible with the rustdoc `build-aux-docs` header. It can probably be fixed, I'm just not feeling motivated to do that right now.
### Implementation steps
- [x] Document this new behavior in rustc-dev-guide once we figure out the specifics. https://github.com/rust-lang/rustc-dev-guide/pull/2149
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clippy-subtree-update
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Rollup of 7 pull requests
Successful merges:
- #133358 (Don't type error if we fail to coerce `Pin<T>` because it doesnt contain a ref)
- #133422 (Fix clobber_abi in RV32E and RV64E inline assembly)
- #133452 (Support predicate registers (clobber-only) in Hexagon inline assembly)
- #133463 (Fix handling of x18 in AArch64 inline assembly on ohos/trusty or with -Zfixed-x18)
- #133487 (fix confusing diagnostic for reserved `##`)
- #133557 (Small doc fixes in `rustc_codegen_ssa`)
- #133560 (Trim extra space in 'repeated `mut`' diagnostic)
r? `@ghost`
`@rustbot` modify labels: rollup
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Support predicate registers (clobber-only) in Hexagon inline assembly
The result of the Hexagon instructions such as comparison, store conditional, etc. is stored in predicate registers (`p[0-3]`), but currently there is no way to mark it as clobbered in `asm!`.
This is also needed for `clobber_abi` (although implementing `clobber_abi` will require the addition of support for [several more register classes](https://github.com/llvm/llvm-project/blob/llvmorg-19.1.0/llvm/lib/Target/Hexagon/HexagonRegisterInfo.cpp#L71-L90). see also https://github.com/rust-lang/rust/issues/93335#issuecomment-2395210055).
Refs:
- [Section 6 "Conditional Execution" in Qualcomm Hexagon V73 Programmer’s Reference Manual](https://docs.qualcomm.com/bundle/publicresource/80-N2040-53_REV_AB_Qualcomm_Hexagon_V73_Programmers_Reference_Manual.pdf#page=90)
- [Register definition in LLVM](https://github.com/llvm/llvm-project/blob/llvmorg-19.1.0/llvm/lib/Target/Hexagon/HexagonRegisterInfo.td#L155)
cc `@androm3da` (target maintainer of hexagon-unknown-{[none-elf](https://doc.rust-lang.org/nightly/rustc/platform-support/hexagon-unknown-none-elf.html#target-maintainers),[linux-musl](https://doc.rust-lang.org/nightly/rustc/platform-support/hexagon-unknown-linux-musl.html#target-maintainers)})
r? `@Amanieu`
`@rustbot` label +A-inline-assembly
(Currently there is no O-hexagon label...)
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Signed-off-by: longxiangqiao <longxiangqiao@qq.com>
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Rollup of 12 pull requests
Successful merges:
- #129409 (Expand std::os::unix::fs::chown() doc with a warning)
- #133320 (Add release notes for Rust 1.83.0)
- #133368 (Delay a bug when encountering an impl with unconstrained generics in `codegen_select`)
- #133428 (Actually use placeholder regions for trait method late bound regions in `collect_return_position_impl_trait_in_trait_tys`)
- #133512 (Add `as_array` and `as_mut_array` conversion methods to slices.)
- #133519 (Check `xform_ret_ty` for WF in the new solver to improve method winnowing)
- #133520 (Structurally resolve before applying projection in borrowck)
- #133534 (extend group-forbid-always-trumps-cli test)
- #133537 ([rustdoc] Fix new clippy lints)
- #133543 ([AIX] create shim for lgammaf_r)
- #133547 (rustc_span: Replace a `HashMap<_, ()>` with `HashSet`)
- #133550 (print generated doc paths)
r? `@ghost`
`@rustbot` modify labels: rollup
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print generated doc paths
Resolves #133002
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"And" should be "An" - one instance.
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Some more refactorings towards removing driver queries
Follow up to https://github.com/rust-lang/rust/pull/127184
## Custom driver breaking change
The `after_analysis` callback is changed to accept `TyCtxt` instead of `Queries`. The only safe query in `Queries` to call at this point is `global_ctxt()` which allows you to enter the `TyCtxt` either way. To fix your custom driver, replace the `queries: &'tcx Queries<'tcx>` argument with `tcx: TyCtxt<'tcx>` and remove your `queries.global_ctxt().unwrap().enter(|tcx| { ... })` call and only keep the contents of the closure.
## Custom driver deprecation
The `after_crate_root_parsing` callback is now deprecated. Several custom drivers are incorrectly calling `queries.global_ctxt()` from inside of it, which causes some driver code to be skipped. As such I would like to either remove it in the future or if custom drivers still need it, change it to accept an `&rustc_ast::Crate` instead.
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Signed-off-by: onur-ozkan <work@onurozkan.dev>
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This adds a proc-macro header to make it easier to depend on a
proc-macro, and remove some of the boilerplate necessary.
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miri: implement `TlsFree`
If the variable does not need a destructor, `std` uses racy initialization for creating TLS keys on Windows. With just the right timing, this can lead to `TlsFree` being called. Unfortunately, with #132654 this is hit quite often, so miri should definitely support `TlsFree` ([documentation](https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-tlsfree)).
I'm filing this here instead of in the miri repo so that #132654 isn't blocked for so long.
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Commit license-metadata.json to git and check it's correct in CI
This PR adds `license-metadata.json` to the root of the git repo, and changes `mingw-check` to check that the file is still up-to-date.
By committing this file, we remove the need for developers to a) have reuse installed or b) run an expensive ~90 second analysis of the files on disk when they want generate the COPYRIGHT.html files which depend on this license metadata.
The file will need updating whenever `REUSE.toml` changes, or when git submodules are added, or when git submodules change their license information (as detected by REUSE).
You can now run:
* `./x run collect-license-metadata` to update the `./license-metadata.json` file
* `./x test collect-license-metadata` to test the `./license-metadata.json` file for correctness
The comparison is done with two `serde_json::Value` objects, so the map objects they contain should ignore differences in ordering.
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CI: split x86_64-msvc-ext job
try-job: x86_64-msvc-ext1
try-job: x86_64-msvc-ext3
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use `--exact` on `--skip` to avoid unintended substring matches
Without the `--exact` flag, using `--skip tests/rustdoc` can unintentionally skip other tests that match as substrings such as `rustdoc-gui`, `rustdoc-js`, etc.
For debugging, run: `./x.py --stage 2 test rustdoc-ui --skip tests/rustdoc` and `./x.py --stage 2 test rustdoc-ui --skip tests/rustdoc -- --exact`
Resolves https://github.com/rust-lang/rust/issues/117721
try-job: x86_64-apple-1
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