diff options
Diffstat (limited to 'compiler/rustc_data_structures/src')
| -rw-r--r-- | compiler/rustc_data_structures/src/lib.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_data_structures/src/lib.rs b/compiler/rustc_data_structures/src/lib.rs index 01604477c3e..d903a557c7f 100644 --- a/compiler/rustc_data_structures/src/lib.rs +++ b/compiler/rustc_data_structures/src/lib.rs @@ -15,7 +15,8 @@ #![feature(fn_traits)] #![feature(int_bits_const)] #![feature(min_specialization)] -#![feature(optin_builtin_traits)] +#![cfg_attr(bootstrap, feature(optin_builtin_traits))] +#![cfg_attr(not(bootstrap), feature(auto_traits))] #![feature(nll)] #![feature(allow_internal_unstable)] #![feature(hash_raw_entry)] |