Properly stage new feature gates

oli-obk · oli-obk · commit 5457b19fe9ec · 2018-12-11T10:43:40.000+01:00
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs
@@ -271,7 +271,7 @@
 #![feature(libc)]
 #![feature(link_args)]
 #![feature(linkage)]
-#![feature(min_const_unsafe_fn)]
+#![cfg_attr(not(stage0), feature(min_const_unsafe_fn))]
 #![feature(needs_panic_runtime)]
 #![feature(never_type)]
 #![feature(nll)]
