Specialize implementations

Implementations in stdlib are now optimized as they were before.
2021-04-02 00:58:45 -04:00
parent a875876027
commit bc2f0fb5a9
17 changed files with 403 additions and 109 deletions
--- a/compiler/rustc_index/src/lib.rs
+++ b/compiler/rustc_index/src/lib.rs
@@ -6,6 +6,7 @@
 #![feature(unboxed_closures)]
 #![feature(test)]
 #![feature(fn_traits)]
+#![feature(trusted_step)]

 pub mod bit_set;
 pub mod vec;