rustc.1: -O is -C opt-level=3 - #161112
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…uwer Rollup of 6 pull requests Successful merges: - #159963 (core: implement FusedIterator for StepBy) - #152826 (tests/ui/union: add annotations for reference rules) - #160556 (cargotest: replace Servo with standalone Stylo) - #161011 (tests/ui/rust-2018: add annotations for reference rules) - #161083 (Revert "Add regression test for const fn returning Vec of boxed dyn Any") - #161112 (rustc.1: `-O` is `-C opt-level=3`)
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rustc.1: `-O` is `-C opt-level=3` This was changed back in 1.86, rust-lang#135439.
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This was changed back in 1.86, #135439.