Rollup of 9 pull requests #109513
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Rollup of 9 pull requests #109513
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This is a cleanup that doesn't introduce new query calls, but this way `def_key` is decoded twice which may matter for performance or may not
Includes resolving the FIXMEs in the documentation, and some very minor documentation improvements.
…r=oli-obk Suppress `opaque_hidden_inferred_bound` for nested RPITs They trigger too much, making repos like linkerd/linkerd2-proxy#2275 sad. Ideally, at least for RPITs (and probably TAITs?), specifically when we have `impl Trait<Assoc = impl ..>`, that nested opaque should have the necessary `Assoc` item bounds elaborated into its own item bounds. But that's another story. r? `@oli-obk`
…r=BoxyUwU Refine error spans for const args in hir typeck Improve just a couple of error messages having to do with mismatched consts. r? `@ghost` i'll put this up when the dependent commits are merged
resolve: Querify most cstore access methods (subset 2) These changes are less likely to cause perf regressions than the rest of rust-lang#108346.
add `known-bug` test for unsoundness issue Test for rust-lang#97156
…yn514,ozkanonur Don't skip all directories when tidy-checking This fixes a regression from rust-lang#108772 which basically made it that tidy style checks only `README.md` and `COMPILER_TESTS.md`.
…xyUwU,lcnr Make alias-eq have a relation direction (and rename it to alias-relate) Emitting an "alias-eq" is too strict in some situations, since we don't always want strict equality between a projection and rigid ty. Adds a relation direction. * I could probably just reuse this [`RelationDir`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_infer/infer/combine/enum.RelationDir.html) -- happy to uplift that struct into middle and use that instead, but I didn't feel compelled to... 🤷 * Some of the matching in `compute_alias_relate_goal` is a bit verbose -- I guess I could simplify it by using [`At::relate`](https://doc.rust-lang.org/nightly/nightly-rustc/rustc_infer/infer/at/struct.At.html#method.relate) and mapping the relation-dir to a variance. * Alternatively, I coulld simplify things by making more helper functions on `EvalCtxt` (e.g. `EvalCtxt::relate_with_direction(T, T)` that also does the nested goal registration). No preference. r? `@lcnr` cc `@BoxyUwU` though boxy can claim it if she wants NOTE: first commit is all the changes, the second is just renaming stuff
…apkin Simpler checked shifts in MIR building Doing masking to check unsigned shift amounts is overcomplicated; just comparing the shift directly saves a statement and a temporary, as well as is much easier to read as a human. And shifting by unsigned is the canonical case -- notably, all the library shifting methods (that don't support every type) take shift RHSs as `u32` -- so we might as well make that simpler since it's easy to do so. This PR also changes *signed* shift amounts to `IntToInt` casts and then uses the same check as for unsigned. The bit-masking is a nice trick, but for example LLVM actually canonicalizes it to an unsigned comparison anyway <https://rust.godbolt.org/z/8h59fMGT4> so I don't think it's worth the effort and the extra `Constant`. (If MIR's `assert` was `assert_nz` then the masking might make sense, but when the `!=` uses another statement I think the comparison is better.) To review, I suggest looking at rust-lang@2ee0468 first -- that's the interesting code change and has a MIR diff. My favourite part of the diff: ```diff - _20 = BitAnd(_19, const 340282366920938463463374607431768211448_u128); // scope 0 at $DIR/shifts.rs:+2:34: +2:44 - _21 = Ne(move _20, const 0_u128); // scope 0 at $DIR/shifts.rs:+2:34: +2:44 - assert(!move _21, "attempt to shift right by `{}`, which would overflow", _19) -> [success: bb3, unwind: bb7]; // scope 0 at $DIR/shifts.rs:+2:34: +2:44 + _18 = Lt(_17, const 8_u128); // scope 0 at $DIR/shifts.rs:+2:34: +2:44 + assert(move _18, "attempt to shift right by `{}`, which would overflow", _17) -> [success: bb3, unwind: bb7]; // scope 0 at $DIR/shifts.rs:+2:34: +2:44 ```
…, r=joshtriplett Stabilize `arc_into_inner` and `rc_into_inner`. Stabilize the `arc_into_inner` and `rc_into_inner` library features and thus close rust-lang#106894. The changes in this PR also resolve the FIXMEs for adjusting the documentation upon stabilization, and I’ve additionally included some very minor documentation improvements. `@rustbot` label +T-libs-api -T-libs
…ng, r=compiler-errors make param bound vars visibly bound vars with -Zverbose I was trying to debug some type/const bound var stuff and it was shockingly tricky due to the fact that even with `-Zverbose` enabled the `T` in `for<T> T: Trait` prints as `T` making it seem like its `TyKind::Param` when it is infact `TyKind::Bound`. This PR "fixes" this when `-Zverbose` is set to allow rendering it as `^T` or `^1_T` depending on binder depth. r? `@compiler-errors`
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Successful merges:
opaque_hidden_inferred_boundfor nested RPITs #108541 (Suppressopaque_hidden_inferred_boundfor nested RPITs)known-bugtest for unsoundness issue #109380 (addknown-bugtest for unsoundness issue)arc_into_innerandrc_into_inner. #109504 (Stabilizearc_into_innerandrc_into_inner.)Failed merges:
r? @ghost
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