Update for #68718

rust-lang · Feb 9, 2020 · 3e57a0a · 3e57a0a
1 parent 5827d78
commit 3e57a0a
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/librustc_span/lib.rs b/src/librustc_span/lib.rs
@@ -8,6 +8,7 @@
 #![feature(crate_visibility_modifier)]
 #![feature(nll)]
 #![feature(optin_builtin_traits)]
+#![feature(specialization)]
 
 use rustc_data_structures::AtomicRef;
 use rustc_macros::HashStable_Generic;