diff options
Diffstat (limited to 'compiler/rustc_middle/src/lib.rs')
| -rw-r--r-- | compiler/rustc_middle/src/lib.rs | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_middle/src/lib.rs b/compiler/rustc_middle/src/lib.rs index 76a8367b2c4..e9172e767e0 100644 --- a/compiler/rustc_middle/src/lib.rs +++ b/compiler/rustc_middle/src/lib.rs @@ -60,6 +60,7 @@ #![feature(const_option)] #![feature(trait_alias)] #![feature(ptr_alignment_type)] +#![feature(macro_metavar_expr)] #![recursion_limit = "512"] #![allow(rustc::potential_query_instability)] |