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perf: Hint -Zdisable-fast-paths as false#157441

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perf: Hint -Zdisable-fast-paths as false#157441
ShoyuVanilla wants to merge 1 commit into
rust-lang:mainfrom
ShoyuVanilla:hint-disable-fast-paths

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@ShoyuVanilla
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This might mitigate the perf regressions in #156172 (comment) 🤔

@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 Jun 4, 2026
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@bors try @rust-timer queue

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Awaiting bors try build completion.

@rustbot label: +S-waiting-on-perf

@rustbot rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Jun 4, 2026
rust-bors Bot pushed a commit that referenced this pull request Jun 4, 2026
perf: Hint `-Zdisable-fast-paths` as `false`
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rust-bors Bot commented Jun 4, 2026

⌛ Trying commit d6ff69a with merge d752daa

To cancel the try build, run the command @bors try cancel.

Workflow: https://github.com/rust-lang/rust/actions/runs/26965528426

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

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