[beta] Backport https://github.com/rust-lang/rust/pull/50748 to beta#50749

Closed

steveklabnik wants to merge 1 commit intorust-lang:betafrom

steveklabnik:remove-simd-note-beta

Commits on May 14, 2018

Update stdsimd module to include https://github.com/rust-lang-nursery/stdsimd/commit/a19ca1cd91cf97777af8268a6136bd2e4648e189
steveklabnik
committed