comment the typeck-negative-impls-builtin test

nikomatsakis · nikomatsakis · commit 7107f6e606ae · 2020-03-26T06:52:58.000-04:00
diff --git a/src/test/ui/traits/negative-impls/typeck-negative-impls-builtin.rs b/src/test/ui/traits/negative-impls/typeck-negative-impls-builtin.rs
@@ -1,3 +1,6 @@
+// A simple test that we are able to create negative impls, when the
+// feature gate is given.
+//
 // run-pass
 
 #![feature(negative_impls)]
