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-rw-r--r--tests/ui/impl-trait/issues/issue-53457.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/ui/impl-trait/issues/issue-53457.rs b/tests/ui/impl-trait/issues/issue-53457.rs
index bb248ef7177..a47c7655058 100644
--- a/tests/ui/impl-trait/issues/issue-53457.rs
+++ b/tests/ui/impl-trait/issues/issue-53457.rs
@@ -7,6 +7,7 @@ fn bar<F: Fn(&i32) + Clone>(f: F) -> F {
     f
 }
 
+#[define_opaque(X)]
 fn foo() -> X {
     bar(|_| ())
 }