Josh Stone d85df44e8d Specialize Rc/Arc::make_mut clones to try to avoid locals ...

As we did with `Box`, we can allocate an uninitialized `Rc` or `Arc`
beforehand, giving the optimizer a chance to skip the local value for
regular clones, or avoid any local altogether for `T: Copy`.

2021-01-11 17:43:10 -08:00

..

benches

…

src

Specialize Rc/Arc::make_mut clones to try to avoid locals

2021-01-11 17:43:10 -08:00

tests

Auto merge of #79895 - Kerollmops:slice-group-by, r=m-ou-se

2020-12-31 12:00:43 +00:00

Cargo.toml

Update compiler_builtins to 0.1.39

2021-01-07 16:16:36 +09:00