Make mk_attr_id thread safe

2017-12-03 14:03:28 +01:00
parent d81cd38e30
commit 70fd306f3c
2 changed files with 9 additions and 10 deletions
--- a/src/libsyntax/lib.rs
+++ b/src/libsyntax/lib.rs
@@ -24,6 +24,7 @@
 #![feature(rustc_diagnostic_macros)]
 #![feature(match_default_bindings)]
 #![feature(i128_type)]
+#![feature(const_atomic_usize_new)]

 // See librustc_cratesio_shim/Cargo.toml for a comment explaining this.
 #[allow(unused_extern_crates)]