diff options
Diffstat (limited to 'compiler/rustc_middle/src/lib.rs')
| -rw-r--r-- | compiler/rustc_middle/src/lib.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index fd2b5f5335f..199b5fa0314 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -30,7 +30,7 @@ #![feature(bool_to_option)] #![feature(box_patterns)] #![feature(core_intrinsics)] -#![feature(derive_default_enum)] +#![cfg_attr(bootstrap, feature(derive_default_enum))] #![feature(discriminant_kind)] #![feature(exhaustive_patterns)] #![feature(get_mut_unchecked)] |