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Never patterns constitute a read for unsafety #130533

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merged 1 commit into from
Sep 19, 2024

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This code is otherwise unsound if we don't emit an unsafety error here. Noticed when fixing #130528, but it's totally unrelated.

r? @Nadrieril

@rustbot rustbot added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Sep 18, 2024
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Oh wow yep, good catch

@bors r+

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bors commented Sep 19, 2024

📌 Commit e138e87 has been approved by Nadrieril

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 Sep 19, 2024
bors added a commit to rust-lang-ci/rust that referenced this pull request Sep 19, 2024
…kingjubilee

Rollup of 3 pull requests

Successful merges:

 - rust-lang#130531 (Check params for unsafety in THIR)
 - rust-lang#130533 (Never patterns constitute a read for unsafety)
 - rust-lang#130542 (Stabilize const `MaybeUninit::as_mut_ptr`)

r? `@ghost`
`@rustbot` modify labels: rollup
@bors bors merged commit f9b8ef0 into rust-lang:master Sep 19, 2024
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@rustbot rustbot added this to the 1.83.0 milestone Sep 19, 2024
rust-timer added a commit to rust-lang-ci/rust that referenced this pull request Sep 19, 2024
Rollup merge of rust-lang#130533 - compiler-errors:never-pat-unsafeck, r=Nadrieril

Never patterns constitute a read for unsafety

This code is otherwise unsound if we don't emit an unsafety error here. Noticed when fixing rust-lang#130528, but it's totally unrelated.

r? `@Nadrieril`
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5 participants