gate rustc_on_unimplemented under rustc_attrs

2019-10-25 07:19:07 +02:00
parent e4931eaaa3
commit 1c7595fd0f
17 changed files with 34 additions and 190 deletions
--- a/src/libcore/lib.rs
+++ b/src/libcore/lib.rs
@@ -89,7 +89,7 @@
 #![feature(nll)]
 #![feature(exhaustive_patterns)]
 #![feature(no_core)]
-#![feature(on_unimplemented)]
+#![cfg_attr(bootstrap, feature(on_unimplemented))]
 #![feature(optin_builtin_traits)]
 #![feature(prelude_import)]
 #![feature(repr_simd, platform_intrinsics)]