Add rustc_attrs feature to test.

nikomatsakis · nikomatsakis · commit 9bb3b3772d4b · 2015-02-18T15:24:20.000-05:00
diff --git a/src/test/compile-fail/regions-assoc-type-outlives-container-hrtb.rs b/src/test/compile-fail/regions-assoc-type-outlives-container-hrtb.rs
@@ -12,6 +12,7 @@
 // "outlives" requirements. Issue #22246.
 
 #![allow(dead_code)]
+#![feature(rustc_attrs)]
 
 ///////////////////////////////////////////////////////////////////////////
 
