Fix MIR inlining of asm_unwind #102778
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Fix MIR inlining of asm_unwind #102778
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(rust-highfive has picked a reviewer for you, use r? to override) |
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Some changes occurred to MIR optimizations cc @rust-lang/wg-mir-opt |
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Thanks! |
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@bors r+ |
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@bors delegate=nbdd0121 |
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✌️ @nbdd0121 can now approve this pull request |
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@bors r=tmiasko |
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📌 Commit 18a1de0836cb5ceae21b0578bfba029404617c97 has been approved by It is now in the queue for this repository. |
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@bors r=tmiasko |
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I believe |
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That's correct. |
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Great, thank you! 🙂 |
matthiaskrgr
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Oct 8, 2022
Fix MIR inlining of asm_unwind
The MIR inlining currently doesn't handle inline asm's unwind edge correctly.
This code will cause ICE:
```rust
struct D;
impl Drop for D {
fn drop(&mut self) {}
}
#[inline(always)]
fn foo() {
let _d = D;
unsafe { std::arch::asm!("", options(may_unwind)) };
}
pub fn main() {
foo();
}
```
This PR fixes this issue. I also take the opportunity to extract common code into a method.
bors
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Oct 8, 2022
…iaskrgr Rollup of 8 pull requests Successful merges: - rust-lang#101520 (Allow transmutes between the same types after erasing lifetimes) - rust-lang#102675 (Remove `mir::CastKind::Misc`) - rust-lang#102778 (Fix MIR inlining of asm_unwind) - rust-lang#102785 (Remove `DefId` from some `SelectionCandidate` variants) - rust-lang#102788 (Update rustc-dev-guide) - rust-lang#102789 (Update browser UI test version) - rust-lang#102797 (rustdoc: remove no-op CSS `.rightside { position: initial }`) - rust-lang#102798 (rustdoc: add main-heading and example-wrap link CSS to big selector) Failed merges: r? `@ghost` `@rustbot` modify labels: rollup
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The MIR inlining currently doesn't handle inline asm's unwind edge correctly.
This code will cause ICE:
This PR fixes this issue. I also take the opportunity to extract common code into a method.