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`tests/ui`: A New Order [10/N]
Some `tests/ui/` housekeeping, to trim down number of tests directly under `tests/ui/`. Part of rust-lang/rust#133895.
r? `@jieyouxu`
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r=compiler-errors
rustc_resolve: Improve `resolve_const_param_in_non_trivial_anon_const` wording
In some contexts, const expressions are OK. Add a `here` to the error message to clarify this.
Closes rust-lang/rust#79429 which has 15 x 👍
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More simple 2015 edition test decoupling
This should be the last of these PRs for now. The remaining tests that do not work on other editions than 2015 either need the range support (so blocked on the MCP), need normalization rules (which needs discussions first/same MCP) or revisions.
r? compiler-errors
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transmutability: shift abstraction boundary
Previously, `rustc_transmute`'s layout representations were genericized over `R`, a reference. Now, it's instead genericized over representations of type and region. This allows us to move reference transmutability logic from `rustc_trait_selection` to `rustc_transmutability` (and thus unit test it independently of the compiler), and — in a follow-up PR — will make it possible to support analyzing function pointer transmutability with minimal surgery.
r? `@compiler-errors`
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Add expectation for `{` when parsing lone coroutine qualifiers
Fixes https://github.com/rust-lang/rust/issues/80931
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Rollup of 9 pull requests
Successful merges:
- rust-lang/rust#141967 (Configure bootstrap backport nominations through triagebot)
- rust-lang/rust#142042 (Make E0621 missing lifetime suggestion verbose)
- rust-lang/rust#142272 (tests: Change ABIs in tests to more future-resilient ones)
- rust-lang/rust#142282 (Only run `citool` tests on the `auto` branch)
- rust-lang/rust#142297 (Implement `//@ needs-target-std` compiletest directive)
- rust-lang/rust#142298 (Make loongarch-none target maintainers more easily pingable)
- rust-lang/rust#142306 (Dont unwrap and re-wrap typing envs)
- rust-lang/rust#142324 (Remove unneeded `FunctionCx` from some codegen methods)
- rust-lang/rust#142328 (feat: Add `bit_width` for unsigned integer types)
Failed merges:
- rust-lang/rust#141639 (Expose discriminant values in stable_mir)
r? `@ghost`
`@rustbot` modify labels: rollup
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r=compiler-errors
Make E0621 missing lifetime suggestion verbose
```
error[E0621]: explicit lifetime required in the type of `x`
--> $DIR/42701_one_named_and_one_anonymous.rs:10:9
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LL | &*x
| ^^^ lifetime `'a` required
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help: add explicit lifetime `'a` to the type of `x`
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LL | fn foo2<'a>(a: &'a Foo, x: &'a i32) -> &'a i32 {
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```
Part of rust-lang/rust#141973.
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`FIXME(-Znext-solver)` triage
r? `@BoxyUwU`
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Remove check_mod_loops query and run the checks per-body instead
This analysis is older than my first rustc contribution I believe. It was never querified. Ideally we'd merge it into the analysis happening within typeck anyway (typeck just uses span_delayed_bug instead of erroring), but I didn't want to do that within this PR that also moves things around and subtly changes diagnostic ordering.
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r=RalfJung
compiler: fn ptrs should hit different lints based on ABI
I was looking closer at the code for linting on ABIs and realized a mistake was probably made during rebase or review. I think that for function pointers in the HIR, the lint that fires should probably depend on the ABI we encountered, e.g. if it's on the newly-deprecated set of ABIs or not. This will be slightly confusing for a little bit, but I think we can do more to reduce that confusion by switching `unsupported_fn_ptr_calling_conventions` to a hard error.
r? ``@RalfJung``
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deduplicate the rest of AST walker functions
After this, we can tidy things up and deduplicate the visitor traits themselves too.
Fixes rust-lang/rust#139825, apparently
r? ``@oli-obk``
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Allow transmute casts in pre-runtime-MIR
r? ``@scottmcm``
cc ``@BoxyUwU``
turns out in https://github.com/rust-lang/rust/pull/138393 I erroneously used transmute casts in https://github.com/rust-lang/rust/blob/fd3da4bebdff63b7529483ff7025986ef16bf463/compiler/rustc_mir_build/src/builder/matches/test.rs#L209
I don't think they have any issues using them before runtime, we just checked for them because we didn't have code exercising those code paths
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Note the version and PR of removed features when using it
Fixes rust-lang/rust#141619
I added the diagnostic information. Since all the current version information is present, it prints the version information anyway, as shown in tests/ui. And PR will not print if it is None, we can gradually add the PR links.
Split into two commits for easier review.
r? compiler
cc ``@jyn514`` Since you're on vocation in the review list, I can't r? you.
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Stabilize keylocker
This PR stabilizes the feature flag `keylocker_x86` (tracking issue rust-lang/rust#134813).
# Public API
The 2 `x86` target features `kl` and `widekl`, and the associated intrinsics in stdarch.
These target features are very specialized, and are only used to signal the presence of the corresponding CPU instruction. They don't have any nontrivial interaction with the ABI (contrary to something like AVX), and serve the only purpose of enabling 11 stdarch intrinsics, all of which have been implemented and propagated to rustc via a stdarch submodule update.
Also, these were added way back in LLVM12, and as the minimum LLVM required for rustc is LLVM19, we are safe in that front too!
# Associated PRs
- rust-lang/rust#134814
- rust-lang/stdarch#1706
- rust-lang/rust#136831 (stdarch submodule update)
- rust-lang/stdarch#1795 (stabilizing the runtime detection and intrinsics)
- rust-lang/rust#141964 (stdarch submodule update for the stabilization of the runtime detection and intrinsics)
As all of the required tasks have been done (adding the target features to rustc, implementing their runtime detection in std_detect and implementing the associated intrinsics in core_arch), these target features can be stabilized now.
cc ````@rust-lang/lang````
cc ````@rust-lang/libs-api```` for the intrinsics and runtime detection
I don't think anyone else worked on this feature, so no one else to ping, maybe cc ````@Amanieu.```` I will send the reference pr soon.
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Explicitly cross-build it for GPU targets and check it errors on hosts.
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If an attribute is re-emitted by a macro, the incorrect edition was used to emit warnings for unsafe attributes
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```
error[E0621]: explicit lifetime required in the type of `x`
--> $DIR/42701_one_named_and_one_anonymous.rs:10:9
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LL | &*x
| ^^^ lifetime `'a` required
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help: add explicit lifetime `'a` to the type of `x`
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LL | fn foo2<'a>(a: &'a Foo, x: &'a i32) -> &'a i32 {
| ++
```
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Always consider `const _` items as live for dead code analysis
This PR alters dead code analysis to always consider `const _: () = { ... };` to be live.
This doesn't address the `_name` pattern from https://github.com/rust-lang/rust/issues/142075.
Fixes https://github.com/rust-lang/rust/issues/142104
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Stabilize `sha512`, `sm3` and `sm4` for x86
This PR stabilizes the feature flag `sha512_sm_x86` (tracking issue rust-lang/rust#126624).
# Public API
The 3 `x86` target features `sha512`, `sm3` and `sm4`, and the associated intrinsics in stdarch.
These target features are very specialized, and are only used to signal the presence of the corresponding CPU instruction. They don't have any nontrivial interaction with the ABI (contrary to something like AVX), and serve the only purpose of enabling 10 stdarch intrinsics, all of which have been implemented and propagated to rustc via a stdarch submodule update.
Also, these were added in LLVM17, and as the minimum LLVM required for rustc is LLVM19, we are safe in that front too!
# Associated PRs
- rust-lang/rust#126704
- rust-lang/stdarch#1592
- rust-lang/stdarch#1790
- rust-lang/rust#140389 (stdarch submodule update)
- rust-lang/stdarch#1796 (stabilizing the runtime detection and intrinsics)
- rust-lang/rust#141964 (stdarch submodule update for the stabilization of the runtime detection and intrinsics)
As all of the required tasks have been done (adding the target features to rustc, implementing their runtime detection in std_detect and implementing the associated intrinsics in core_arch), these target features can be stabilized now.
cc `@rust-lang/lang`
cc `@rust-lang/libs-api` for the intrinsics and runtime detection
I don't think anyone else worked on this feature, so no one else to ping, maybe cc `@Amanieu.` I will send the reference pr soon.
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enable retpoline-related target features
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Previously, `rustc_transmute`'s layout representations were genericized
over `R`, a reference. Now, it's instead genericized over
representations of type and region. This allows us to move reference
transmutability logic from `rustc_trait_selection` to
`rustc_transmutability` (and thus unit test it independently of the
compiler), and — in a follow-up PR — will make it possible to support
analyzing function pointer transmutability with minimal surgery.
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Rollup of 7 pull requests
Successful merges:
- rust-lang/rust#129121 (Stabilize `tcp_quickack`)
- rust-lang/rust#142192 (De-duplicate f16 & f128 doctest attributes)
- rust-lang/rust#142193 (add tests for pattern binding drop order edge cases)
- rust-lang/rust#142222 (Dont make `ObligationCtxt`s with diagnostics unnecessarily)
- rust-lang/rust#142228 (rustc-dev-guide subtree update)
- rust-lang/rust#142231 (Run `calculate_matrix` job on `master` to cache citool builds)
- rust-lang/rust#142232 (add `Cargo.lock` to CI-rustc allowed list for non-CI env)
r? `@ghost`
`@rustbot` modify labels: rollup
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add tests for pattern binding drop order edge cases
This adds tests for rust-lang/rust#142163, rust-lang/rust#142057, and rust-lang/rust#142056. I'm using these tests to help make sure I don't commit breaking changes when implementing match lowering for guard patterns, but I think it makes sense to add them separately. They don't directly have anything to do with guard patterns.
r? `@Nadrieril` or reassign
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checking
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>
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Rollup of 6 pull requests
Successful merges:
- rust-lang/rust#141751 (Remap compiler vs non-compiler sources differently (bootstrap side))
- rust-lang/rust#142160 (Only allow `bootstrap` cfg in rustc & related)
- rust-lang/rust#142191 (early return in trait detection for non-trait item)
- rust-lang/rust#142211 (Do not checkout GCC submodule for the tidy job)
- rust-lang/rust#142218 (CI: rfl: move job forward to Linux v6.16-rc1)
- rust-lang/rust#142224 (Avoid a gratuitous 10s wait in a stress test)
r? `@ghost`
`@rustbot` modify labels: rollup
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early return in trait detection for non-trait item
Fixes rust-lang/rust#135863
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r=workingjubilee
Add (back) `unsupported_calling_conventions` lint to reject more invalid calling conventions
This adds back the `unsupported_calling_conventions` lint that was removed in https://github.com/rust-lang/rust/pull/129935, in order to start the process of dealing with https://github.com/rust-lang/rust/issues/137018. Specifically, we are going for the plan laid out [here](https://github.com/rust-lang/rust/issues/137018#issuecomment-2672118326):
- thiscall, stdcall, fastcall, cdecl should only be accepted on x86-32
- vectorcall should only be accepted on x86-32 and x86-64
The difference to the status quo is that:
- We stop accepting stdcall, fastcall on targets that are windows && non-x86-32 (we already don't accept these on targets that are non-windows && non-x86-32)
- We stop accepting cdecl on targets that are non-x86-32
- (There is no difference for thiscall, this was already a hard error on non-x86-32)
- We stop accepting vectorcall on targets that are windows && non-x86-*
Vectorcall is an unstable ABI so we can just make this a hard error immediately. The others are stable, so we emit the `unsupported_calling_conventions` forward-compat lint. I set up the lint to show up in dependencies via cargo's future-compat report immediately, but we could also make it show up just for the local crate first if that is preferred.
try-job: i686-msvc-1
try-job: x86_64-msvc-1
try-job: test-various
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Rollup of 12 pull requests
Successful merges:
- rust-lang/rust#141803 (Remove rustc's notion of "preferred" alignment AKA `__alignof`)
- rust-lang/rust#142053 (Add new Tier-3 targets: `loongarch32-unknown-none*`)
- rust-lang/rust#142089 (Replace all uses of sysroot_candidates with get_or_default_sysroot)
- rust-lang/rust#142108 (compiler: Add track_caller to AbiMapping::unwrap)
- rust-lang/rust#142132 (`tests/ui`: A New Order [6/N])
- rust-lang/rust#142162 (UnsafePinned: update get() docs and signature to allow shared mutation)
- rust-lang/rust#142171 (`tests/ui`: A New Order [7/N])
- rust-lang/rust#142179 (store `target.min_global_align` as an `Align`)
- rust-lang/rust#142183 (Added test for 30904)
- rust-lang/rust#142194 (Remove all unused feature gates from the compiler)
- rust-lang/rust#142199 (Do not free disk space in the `mingw-check-tidy` job)
- rust-lang/rust#142210 (Run `mingw-check-tidy` on auto builds)
r? `@ghost`
`@rustbot` modify labels: rollup
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Added test for 30904
Test that was deleted by mistake in this commit
https://github.com/rust-lang/rust/commit/564c78a6981174b32079f576eb6e7f965a13945e#diff-85d65712084246fc61f287664eef63b0b25ba0a5c8b69a4a59a9454b6a3ebac4
The original issue is still open and the problem is not solved (if this is even a problem, but the error is still here at least)
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`tests/ui`: A New Order [7/N]
> [!NOTE]
>
> Intermediate commits are intended to help review, but will be squashed prior to merge.
Some `tests/ui/` housekeeping, to trim down number of tests directly under `tests/ui/`. Part of rust-lang/rust#133895.
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`tests/ui`: A New Order [6/N]
> [!NOTE]
>
> Intermediate commits are intended to help review, but will be squashed prior to merge.
Some `tests/ui/` housekeeping, to trim down number of tests directly under `tests/ui/`. Part of rust-lang/rust#133895.
r? `````@jieyouxu`````
auxiliary tag means some changes in realted auxiliary file for test
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