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authorbors <bors@rust-lang.org>2020-07-23 07:11:01 +0000
committerbors <bors@rust-lang.org>2020-07-23 07:11:01 +0000
commitfcac11993ca055bbdc7683a2f6ed7b88a838fb0f (patch)
tree3afcc7ae7281b8c2fa90f30355819595a8d42f10 /library/std/src/sys/unix/stack_overflow.rs
parente8b55a4ad230ebec762fdfc4f241ba98a98560af (diff)
parent1d6860082fb3f7e15a64f551e50863021ef122c1 (diff)
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Auto merge of #74611 - Mark-Simulacrum:revert-74069-bad-niche, r=eddyb
Revert "Compare tagged/niche-filling layout and pick the best one"

Reverts rust-lang/rust#74069. It caused a performance regression, see https://github.com/rust-lang/rust/pull/74069#issuecomment-662166827. perf: https://perf.rust-lang.org/compare.html?start=d3df8512d2c2afc6d2e7d8b5b951dd7f2ad77b02&end=cfade73820883adf654fe34fd6b0b03a99458a51

r? @eddyb

cc @nnethercote
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