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src/test/codegen/nounwind-extern.rs
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This test was pretty useless: it always enabled optimizations, so even if we did not emit nounwind for this function, LLVM would add it. That's why we agreed in #65020 that it could be removed.
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RalfJung
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Oct 12, 2019
| // unclear whether there is real value in the assumption this | ||
| // can unwind. The conservatism here may just be papering over | ||
| // a real problem by making some UB a bit harder to hit.) | ||
| true |
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In #65020 nobody knew why this branch should be needed. And all the tests behave as expected without it. So I think we should remove it.
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nagisa
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r=me once |
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r? @nagisa |
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nounwind tests and cleanup This is a follow-up to @pnkfelix' rust-lang#65020. In particular it adds some tests as @nagisa asked. It also does a cleanup that the original PR omitted to reduce backporting risks. I hope I finally managed to write an uncontroversial PR in this area. ;) This should not change any behavior, just test it better.
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nounwind tests and cleanup This is a follow-up to @pnkfelix' rust-lang#65020. In particular it adds some tests as @nagisa asked. It also does a cleanup that the original PR omitted to reduce backporting risks. I hope I finally managed to write an uncontroversial PR in this area. ;) This should not change any behavior, just test it better.
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Rollup of 10 pull requests Successful merges: - #65214 (Split non-CAS atomic support off into target_has_atomic_load_store) - #65246 (vxWorks: implement get_path() and get_mode() for File fmt::Debug) - #65312 (improve performance of signed saturating_mul) - #65336 (Fix typo in task::Waker) - #65346 (nounwind tests and cleanup) - #65347 (Fix #[unwind(abort)] with Rust ABI) - #65366 (Implement Error::source on IntoStringError + Remove superfluous cause impls) - #65369 (Don't discard value names when using address or memory sanitizer) - #65370 (Add `dyn` to `Any` documentation) - #65373 (Fix typo in docs for `Rc`) Failed merges: r? @ghost
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This is a follow-up to @pnkfelix' #65020. In particular it adds some tests as @nagisa asked. It also does a cleanup that the original PR omitted to reduce backporting risks.
I hope I finally managed to write an uncontroversial PR in this area. ;) This should not change any behavior, just test it better.