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@the8472 the8472 commented Jan 18, 2026

Redoing #130998
It was reverted in #151150 due to flakiness. I have traced this due to layout randomization perturbing the test (the failure reproduces locally with layout randomization), which is now excluded.

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rustbot commented Jan 18, 2026

r? @Mark-Simulacrum

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@rustbot rustbot added A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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. T-libs Relevant to the library team, which will review and decide on the PR/issue. labels Jan 18, 2026
@the8472 the8472 changed the title optimize vec.append(slice.to_vec()), take 2 optimize vec.extend(slice.to_vec()), take 2 Jan 18, 2026
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A-LLVM Area: Code generation parts specific to LLVM. Both correctness bugs and optimization-related issues. 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. T-libs Relevant to the library team, which will review and decide on the PR/issue.

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