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/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -29,6 +29,7 @@
 #![feature(std_panic)]
 #![feature(test)]
 #![feature(unicode)]
+#![feature(question_mark)]

 extern crate arena;
 extern crate getopts;