Rollup of 8 pull requests #96075
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Rollup of 8 pull requests #96075
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Errors from pthread_sigmask(3) were handled using cvt(), which expects a return value of -1 on error and uses errno. However, pthread_sigmask(3) returns 0 on success and an error number otherwise. Fix it by replacing cvt() with cvt_nz().
All other ABIs are left unstable for now. cc rust-lang#64926
A more robust solution to finding where to place use suggestions was added. The algorithm uses the AST to find the span for the suggestion so we pass this span down to the HIR during lowering and use it. Signed-off-by: Miguel Guarniz <[email protected]>
Since September, the toolchain has not been generating reliable DWARF information for static variables when LTO is on. This has affected projects in the embedded space where the use of LTO is typical. In our case, it has kept us from bumping past the 2021-09-22 nightly toolchain lest our debugger break. This has been a pretty dramatic regression for people using debuggers and static variables. See rust-lang#90357 for more info and a repro case. This commit is a mechanical revert of d5de680 from PR rust-lang#89041, which caused the issue. (Note on that PR that the commit's author has requested it be reverted.) I have locally verified that this fixes rust-lang#90357 by restoring the functionality of both the repro case I posted on that bug, and debugger behavior on real programs. There do not appear to be test cases for this in the toolchain; if I've missed them, point me at 'em and I'll update them.
- Re-enabled basic-types-globals which has been disabled since 2018 - Updated its now-rotted assertions about GDB's output to pass - Rewrote header comment describing some previous state of GDB behavior that didn't match either the checked-in assertions _or_ the current behavior, and so I assume has just been wrong for some time. - Copy-pasta'd the test into a version that uses LTO to check for regression on rust-lang#90357, because I don't see a way to matrix the same test into several build configurations.
…nytm fix error handling for pthread_sigmask(3) Errors from `pthread_sigmask(3)` were handled using `cvt()`, which expects a return value of `-1` on error and uses `errno`. However, `pthread_sigmask(3)` returns `0` on success and an error number otherwise. Fix it by replacing `cvt()` with `cvt_nz()`.
…pnkfelix Only add codegen backend to dep info if -Zbinary-dep-depinfo is used I am currently migrating the cg_clif build system from using a binary linked to the codegen backend as rustc replacement to passing `-Zcodegen-backend` instead. Without this PR this would force cargo to rebuild the sysroot on any change to the codegen backend even if I explicitly specify that I want it to be preserved, which would make development of cg_clif a lot slower. If you still want to have changes to the codegen backend invalidate the cargo build cache you can explicitly specify `-Zbinary-dep-depinfo`. cc ```@eddyb``` as the codegen backend was initially added to the depinfo for rust-gpu.
Parse inner attributes on inline const block According to rust-lang#84414 (comment), inner attributes are intended to be supported *"in all containers for statements (or some subset of statements)"*. This PR adds inner attribute parsing and pretty-printing for inline const blocks (rust-lang#76001), which contain statements just like an unsafe block or a loop body. ```rust let _ = const { #![allow(...)] let x = (); x }; ```
…cement, r=pnkfelix remove find_use_placement A more robust solution to finding where to place use suggestions was added in rust-lang#94584. The algorithm uses the AST to find the span for the suggestion so we pass this span down to the HIR during lowering and use it instead of calling `find_use_placement` Fixes rust-lang#94941
… r=pnkfelix Stablize `const_extern_fn` for "Rust" and "C" All other ABIs are left unstable for now. cc rust-lang#64926
… r=pnkfelix Revert "Work around invalid DWARF bugs for fat LTO" Since September, the toolchain has not been generating reliable DWARF information for static variables when LTO is on. This has affected projects in the embedded space where the use of LTO is typical. In our case, it has kept us from bumping past the 2021-09-22 nightly toolchain lest our debugger break. This has been a pretty dramatic regression for people using debuggers and static variables. See rust-lang#90357 for more info and a repro case. This commit is a mechanical revert of d5de680 from PR rust-lang#89041, which caused the issue. (Note on that PR that the commit's author has requested it be reverted.) I have locally verified that this fixes rust-lang#90357 by restoring the functionality of both the repro case I posted on that bug, and debugger behavior on real programs. There do not appear to be test cases for this in the toolchain; if I've missed them, point me at 'em and I'll update them.
…inline, r=oli-obk Inline `shallow_resolve_ty` into `ShallowResolver` addresses fixme I found in infcx
…ubilee implement SIMD gather/scatter via vector getelementptr Fixes rust-lang/portable-simd#271 However, I don't *really* know what I am doing here... Cc ``@workingjubilee`` ``@calebzulawski`` I didn't do anything for cranelift -- ``@bjorn3`` not sure if it's okay for that backend to temporarily break. I'm happy to cherry-pick a patch that adds cranelift support. :)
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Successful merges:
const_extern_fnfor "Rust" and "C" #95346 (Stablizeconst_extern_fnfor "Rust" and "C")shallow_resolve_tyintoShallowResolver#95908 (Inlineshallow_resolve_tyintoShallowResolver)Failed merges:
r? @ghost
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