diff options
Diffstat (limited to 'src/librustc_const_eval/lib.rs')
| -rw-r--r-- | src/librustc_const_eval/lib.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/librustc_const_eval/lib.rs b/src/librustc_const_eval/lib.rs index f926fef065e..7b40269ba56 100644 --- a/src/librustc_const_eval/lib.rs +++ b/src/librustc_const_eval/lib.rs @@ -27,7 +27,7 @@ #![feature(staged_api)] #![feature(rustc_diagnostic_macros)] #![feature(slice_patterns)] -#![feature(question_mark)] +#![cfg_attr(stage0, feature(question_mark))] #![feature(box_patterns)] #![feature(box_syntax)] |