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authorbors <bors@rust-lang.org>2023-09-30 02:15:19 +0000
committerbors <bors@rust-lang.org>2023-09-30 02:15:19 +0000
commit4efd65571e7ad62ca2cfb86271e7c6af192032ce (patch)
tree7972c728e8a1e01f54f57dad22bcce4d99b1350c /compiler/rustc_mir_transform/src
parentb8b376a2877f6d3d9529a3dee9c0e2fe29147468 (diff)
parent4c2f1c615b976fcd21f6cc2078b09d10c9d72507 (diff)
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Auto merge of #115546 - SUPERCILEX:patch-2, r=Amanieu
Weaken needlessly restrictive orderings on Arc::*_count

Follow up to https://github.com/rust-lang/rust/pull/95183 from this zulip: https://rust-lang.zulipchat.com/#narrow/stream/219381-t-libs/topic/Why.20does.20Arc.3A.3Astrong_count.20use.20Acquire.20instead.20of.20Relaxed.3F/near/386213850

I'd like to use the strong_count for a lockless algorithm I'm writing, but I don't need acquire semantics so that's pointlessly restrictive on arm/risc-v.
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