sprinkle feature gates here and there

2016-03-21 02:23:03 -05:00
parent 0f02309e4b
commit aa7fe93d4a
25 changed files with 28 additions and 0 deletions
--- a/src/libstd/lib.rs
+++ b/src/libstd/lib.rs
@@ -270,6 +270,7 @@
 #![feature(unwind_attributes)]
 #![feature(vec_push_all)]
 #![feature(zero_one)]
+#![feature(question_mark)]

 // Issue# 30592: Systematically use alloc_system during stage0 since jemalloc
 // might be unavailable or disabled