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| author | Michael Goulet <michael@errs.io> | 2024-09-07 14:21:22 +0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-09-07 14:21:22 +0300 |
| commit | bc2244f027507c975f55a83a3a31466e3a92231e (patch) | |
| tree | 62d9709cff393a0b0081cac738d3e25a707af0a0 /compiler/rustc_codegen_llvm/src/errors.rs | |
| parent | d6a42983e57766546db519dcd8859ba75d4eef62 (diff) | |
| parent | 6e4c5c10b9b8740cecd62464c616cc82a01bc962 (diff) | |
| download | rust-bc2244f027507c975f55a83a3a31466e3a92231e.tar.gz rust-bc2244f027507c975f55a83a3a31466e3a92231e.zip | |
Rollup merge of #129940 - liushuyu:s390x-target-features, r=RalfJung
s390x: Fix a regression related to backchain feature In #127506, we introduced a new IBM Z-specific target feature, `backchain`. This particular `target-feature` was available as a function-level attribute in LLVM 17 and below, so some hacks were used to avoid blowing up LLVM when querying the supported LLVM features. This led to an unfortunate regression where `cfg!(target-feature = "backchain")` will always return true. This pull request aims to fix this issue, and a test has been introduced to ensure it will never happen again. Fixes #129927. r? `@RalfJung`
Diffstat (limited to 'compiler/rustc_codegen_llvm/src/errors.rs')
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