Add `#![feature(matches_macro)]`

diff --git a/src/librustc_mir/lib.rs b/src/librustc_mir/lib.rs
index cca76700ed101fa812e52e0bd7f8e1488b982b41..f4fb9a5e4f2a2ad20a2438ca5d9835fcd272f0ad 100644 (file)
--- a/src/librustc_mir/lib.rs
+++ b/src/librustc_mir/lib.rs
@@ -29,6 +29,7 @@
 #![feature(stmt_expr_attributes)]
 #![feature(bool_to_option)]
 #![feature(trait_alias)]
+#![feature(matches_macro)]
 
 #![recursion_limit="256"]