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[beta] Update LLVM to resolve a miscompilation found in 114312. #114726

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merged 2 commits into from
Aug 12, 2023
Merged

[beta] Update LLVM to resolve a miscompilation found in 114312. #114726

merged 2 commits into from
Aug 12, 2023

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DianQK
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@DianQK DianQK commented Aug 11, 2023 •
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Related issue: #114312 .

After the master updates the LLVM, we will add the same test cases. In the meantime, close the issue.

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rustbot commented Aug 11, 2023

r? @cuviper

(rustbot has picked a reviewer for you, use r? to override)

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rustbot commented Aug 11, 2023

⚠️ Warning ⚠️

  • Pull requests are usually filed against the master branch for this repo, but this one is against beta. Please double check that you specified the right target!
  • These commits modify submodules.

@rustbot rustbot added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Aug 11, 2023
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DianQK commented Aug 11, 2023

@rustbot label: +beta-nominated

@rustbot rustbot added the beta-nominated Nominated for backporting to the compiler in the beta channel. label Aug 11, 2023
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cuviper commented Aug 11, 2023

Thanks! We're outside normal procedure, but I'm accepting this backport based on #114312 (comment).
@rustbot label +beta-accepted -beta-nominated
@bors r+ rollup=never

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bors commented Aug 11, 2023

📌 Commit 8ca16b2ae5701afccfe51055a0425fb3fa6127de has been approved by cuviper

It is now in the queue for this repository.

@rustbot rustbot added beta-accepted Accepted for backporting to the compiler in the beta channel. and removed beta-nominated Nominated for backporting to the compiler in the beta channel. labels Aug 11, 2023
@bors bors added beta-nominated Nominated for backporting to the compiler in the beta channel. S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Aug 11, 2023
@cuviper cuviper removed the beta-nominated Nominated for backporting to the compiler in the beta channel. label Aug 11, 2023
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@bors p=1 (bumping this above my PR since this is for beta, and mine isn't urgent)

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bors commented Aug 11, 2023

⌛ Testing commit 8ca16b2ae5701afccfe51055a0425fb3fa6127de with merge a93a8865012b5e8ad54c266ecfd1c1472d63e1ba...

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bors commented Aug 11, 2023

💔 Test failed - checks-actions

@bors bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Aug 11, 2023
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DianQK commented Aug 12, 2023

💔 Ooooooops!!
https://rust.godbolt.org/z/sfePo7bTb

I'm not sure why rustc didn't submit byval for aarch64. For this PR I would change it to only check on x86. Also, add a byval and readonly check.

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cuviper commented Aug 12, 2023

I'm not sure why rustc didn't submit byval for aarch64.

I would assume that's just a difference in calling convention for their C ABIs.

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DianQK commented Aug 12, 2023

I'm not sure why rustc didn't submit byval for aarch64.

I would assume that's just a difference in calling convention for their C ABIs.

Done. https://github.com/rust-lang/rust/compare/8ca16b2ae5701afccfe51055a0425fb3fa6127de..3008c3ee85223e69430e1e8712af4b683e33eb86. I hope this goes well.

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cuviper commented Aug 12, 2023

@bors r+

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bors commented Aug 12, 2023

📌 Commit 3008c3ee85223e69430e1e8712af4b683e33eb86 has been approved by cuviper

It is now in the queue for this repository.

@bors bors removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Aug 12, 2023
@bors bors added the S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. label Aug 12, 2023
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bors commented Aug 12, 2023

⌛ Testing commit 3008c3ee85223e69430e1e8712af4b683e33eb86 with merge 2d143ad1542b85a8f00c01c820d5aad0c4fe2e89...

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bors commented Aug 12, 2023

💔 Test failed - checks-actions

@bors bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Aug 12, 2023
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DianQK commented Aug 12, 2023

Change to only-x86_64-unknown-linux-gnu.

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cuviper commented Aug 12, 2023

@bors r+

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bors commented Aug 12, 2023

📌 Commit e241551 has been approved by cuviper

It is now in the queue for this repository.

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Aug 12, 2023
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bors commented Aug 12, 2023

⌛ Testing commit e241551 with merge 598a0a3...

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bors commented Aug 12, 2023

☀️ Test successful - checks-actions
Approved by: cuviper
Pushing 598a0a3 to beta...

@bors bors added the merged-by-bors This PR was explicitly merged by bors. label Aug 12, 2023
@bors bors merged commit 598a0a3 into rust-lang:beta Aug 12, 2023
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@rustbot rustbot added this to the 1.72.0 milestone Aug 12, 2023
@DianQK DianQK deleted the beta branch August 12, 2023 09:34
@cuviper cuviper mentioned this pull request Aug 14, 2023
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@nikic nikic mentioned this pull request Aug 15, 2023
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bors added a commit to rust-lang-ci/rust that referenced this pull request Aug 16, 2023
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Auto merge of rust-lang#114847 - nikic:update-llvm-12, r=cuviper
2bc7929 
Update LLVM submodule

Merge the current release/17.x branch.

Fixes rust-lang#114691.
Fixes rust-lang#114312.

The test for the latter is taken from rust-lang#114726.
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