diff options
Diffstat (limited to 'src/libstd/lib.rs')
| -rw-r--r-- | src/libstd/lib.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/lib.rs b/src/libstd/lib.rs index eee85798841..5a2eb1c1dc4 100644 --- a/src/libstd/lib.rs +++ b/src/libstd/lib.rs @@ -255,7 +255,7 @@ #![feature(panic_unwind)] #![feature(placement_in_syntax)] #![feature(prelude_import)] -#![feature(question_mark)] +#![cfg_attr(stage0, feature(question_mark))] #![feature(rand)] #![feature(raw)] #![feature(reflect_marker)] |