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Fix compound assignments in liveness check#157066

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Fix compound assignments in liveness check#157066
chenyukang wants to merge 1 commit into
rust-lang:mainfrom
chenyukang:yukang-fix-154457-compound-assignment-read

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@chenyukang chenyukang commented May 28, 2026

Fixes #154457

r? @ghost

Let's do a perf run, I assume there will be some trivial regression on perf:

@bors try @rust-timer queue

@rustbot rustbot added S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels May 28, 2026
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rust-bors Bot pushed a commit that referenced this pull request May 28, 2026
…ent-read, r=<try>

Fix compound assignments in liveness check
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rust-bors Bot commented May 28, 2026

☀️ Try build successful (CI)
Build commit: 6d9873d (6d9873daccf14745d652a8e0c93dbaba6bbc066e, parent: b5e038d7158c1af55a646027fdacf5ecd7c783c7)

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S-waiting-on-author Status: This is awaiting some action (such as code changes or more information) from the author. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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unused_assignments on MIR warns on earlier compound assignment in a read-modify-write chain

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