mirror of
https://github.com/rust-lang/rust.git
synced 2026-05-03 17:35:28 +03:00
9b0268a43b
Tweak fast path trait handling (1.) Make it more sound by considering polarity (lol) (2.) Make it more general, by considering higher-ranked size/copy/clone (2.) Make it less observable, by only doing copy/clone fast path if there are no regions involved r? lcnr