Exit arm scopes #62233
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Exit arm scopes #62233
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☔ The latest upstream changes (presumably #62099) made this pull request unmergeable. Please resolve the merge conflicts. |
When a match evaluates to false we jump to the next arm, when we do so we need to make sure that we exit the scope for that arm.
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@bors r+ rollup |
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Exit arm scopes Due to a bug in the HIR CFG construction, borrows for arm scopes were incorrectly leaking into other arms. This PR also includes some drive-by improvements to `-Zunpretty=hir,identified` that would have been helpful while investigating this. Closes #62107
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☀️ Test successful - checks-azure, checks-travis, status-appveyor |
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☔ The latest upstream changes made this pull request unmergeable. Please resolve the merge conflicts. Edit: Sorry, this was mistakenly posted. |
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Tested on commit rust-lang/rust@b8ec4c4. Direct link to PR: <rust-lang/rust#62233> 🎉 rls on linux: test-fail → test-pass (cc @Xanewok, @rust-lang/infra).
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Due to a bug in the HIR CFG construction, borrows for arm scopes were incorrectly leaking into other arms.
This PR also includes some drive-by improvements to
-Zunpretty=hir,identifiedthat would have been helpful while investigating this.Closes #62107