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-rw-r--r--tests/ui/did_you_mean/bad-assoc-ty.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/ui/did_you_mean/bad-assoc-ty.rs b/tests/ui/did_you_mean/bad-assoc-ty.rs
index f787c416c2d..5a559b01ea2 100644
--- a/tests/ui/did_you_mean/bad-assoc-ty.rs
+++ b/tests/ui/did_you_mean/bad-assoc-ty.rs
@@ -71,6 +71,7 @@ enum N<F> where F: Fn() -> _ {
 union O<F> where F: Fn() -> _ {
 //~^ ERROR the placeholder `_` is not allowed within types on item signatures for unions
     foo: F,
+    //~^ ERROR must implement `Copy`
 }
 
 trait P<F> where F: Fn() -> _ {