Rollup of 27 pull requests - #162308
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Store identity argument indices instead of bound generic arguments so callers can index concrete alias arguments without changing rigidness through instantiation.
Match the existing params_in_repr / unsizing_params convention; the compiler already treats generic arg counts as u32-sized.
Treat missing outlives information as no restriction so all sources can be intersected uniformly. Keep bivariant alias arguments out of the final region walk.
This is mainly because it would be very useful in Clippy to have a fast way to check if two DefIds are related (and what that relation is).
This attempts to match clang's behavior of implicitly disabling sanitizers that are incompatible. Specifically, if a set of default sanitizers would be incompatible with ones provided by -Zsanitize=..., then clang (and now rust) will opt for keeping the ones specified via flags over the ones used as platform defaults. This helps maintain build consistency where we can just enable sanitizers via flags for both rust and c++ code without needing to manually disable others. The driving reason for this is asan and safestack where we'd like to enable safestack by default for x86_64 fuchsia but disable it if -Zsanitize=address is passed (matching clang's behavior). This commit also refactors all uses of `self.opts.unstable_opts.sanitizer` to go through the updated `sanitizer()` method. AI: Gemini was used to help review the code and write some tests, but it did not generate the whole patch. I edited and reviewed this PR to the best of my ability before pushing for review.
This patch introduces the following: * Extends `FnAbi` (`callconv`) with a `ptrauth_type_discriminator` field. This field is only used when emitting pointer authentication call bundles. It is stored in `FnAbi` because the call site is not guaranteed to have access to an `Instance`, so the discriminator cannot always be computed on demand. * Adds support for `llvm.ptrauth.resign`. This intrinsic will be used when support for semantic transmute is added. * Performs a minor API redesign as groundwork for allowing call sites to modify schemas in place.
This commit updates documentation, configuration, etc, within the compiler to promote the `wasm32-wasip3` target to tier 2. This means that precompiled binaries will be made available in `rustup` for usage. This target MCP for this change is [rust-lang/compiler-team/100][mcp]. This target requires LLVM 23 which rustc recently has updated to, and then additionally requires wasi-sdk-34 which additionally uses LLVM 23 which was also updated recently. With these ingredients in place the ABI for `wasm32-wasip3` is all lined up and ready to go. These changes were all necessary to bring cooperative threading to the target in the future, but that's not quite ready in the ecosystem yet. I've locally been testing this target and it's done well so far, but I suspect this'll need subsequent bug fixes here and there as other new issues crop up. I don't expect anything major will be necessary, however. [mcp]: rust-lang/compiler-team#1001
There are various types used to carry name resolution results across crate boundaries. They are scattered across places like `rustc_middle::ty`, `rustc_middle::metadata`, and `rustc_hir::def`. This commit moves them into the new module, a more logical place for them to live. As part of this it eliminates the small `rustc_middle::metadata` module. One nice consequence of this change: it removes the single use of a `LocalDefId` in `rustc_ast`. (This is what got my attention in the first place.)
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Rollup of 27 pull requests Successful merges: - #159074 ([PAC] FnAbi, llvm.ptrauth.resign and Session API change (2/8)) - #159792 (A more readable debug map for IndexMaps) - #160745 (make closures act like MaybeDangling) - #161940 (Promote `wasm32-wasip3` to a tier 2 target) - #162030 (Prevent `--test` to be used in `rustdoc-html` testsuite) - #162072 (Add new Tier-3 target: `powerpc64-sony-ps3`) - #162179 (type system const items via direct rhs) - #162262 (Avoid manually instantiating some binders in error reporting with `-Znext-solver`) - #162277 (Introduce `rustc_middle::middel::resolve`) - #162285 (box: fixup map/try_map deallocate calls) - #162286 (string: don't unwind prematurely) - #162289 (alloc: a bunch of safety comments) - #162290 (abby test DSL: AliasTyOutlivesViaEnv) - #162292 (Update `askama` version to `0.16.1`) - #160509 (Remove `RegionExt`; move methods to `Region` in `rustc_type_ir`) - #160906 (Suggest usize instead of placeholder type for array length constants) - #160936 (traits: Represent live alias arguments as bitsets) - #161400 (Improve diagnostics for references to closures) - #161656 (Suggest mutable references for FnMut closure arguments) - #161711 (Add more splat fn type tests) - #161786 (Make `tcx.def_id_partial_cmp` public) - #161953 (sanitizers: Implicitly disable mutually exclusive sanitizers) - #162155 (add suggestion for `rustc_allowed_through_unstable_modules` attribute) - #162212 (Implement `Rng` for `Box`) - #162246 (Fix incorrect meta span) - #162266 (std: fix typo) - #162291 (Add regression test from 1.98.1)
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💔 Test for 25c529b failed: CI. Failed job:
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PR #162030, which is a member of this rollup, was unapproved. |
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Successful merges:
wasm32-wasip3to a tier 2 target #161940 (Promotewasm32-wasip3to a tier 2 target)--testto be used inrustdoc-htmltestsuite #162030 (Prevent--testto be used inrustdoc-htmltestsuite)powerpc64-sony-ps3#162072 (Add new Tier-3 target:powerpc64-sony-ps3)-Znext-solver#162262 (Avoid manually instantiating some binders in error reporting with-Znext-solver)rustc_middle::middel::resolve#162277 (Introducerustc_middle::middel::resolve)askamaversion to0.16.1#162292 (Updateaskamaversion to0.16.1)RegionExt; move methods toRegioninrustc_type_ir#160509 (RemoveRegionExt; move methods toRegioninrustc_type_ir)tcx.def_id_partial_cmppublic #161786 (Maketcx.def_id_partial_cmppublic)rustc_allowed_through_unstable_modulesattribute #162155 (add suggestion forrustc_allowed_through_unstable_modulesattribute)RngforBox#162212 (ImplementRngforBox)r? @ghost
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