1 files changed, 12 insertions, 0 deletions
diff --git a/src/test/ui/type-alias-impl-trait/issue-74280.rs b/src/test/ui/type-alias-impl-trait/issue-74280.rs
new file mode 100644
index 000000000..ad641eaa0
--- /dev/null
+++ b/src/test/ui/type-alias-impl-trait/issue-74280.rs
@@ -0,0 +1,12 @@
+// Regression test for #74280.
+
+#![feature(type_alias_impl_trait)]
+
+type Test = impl Copy;
+
+fn test() -> Test {
+    let y = || -> Test { () };
+    7 //~ ERROR mismatched types
+}
+
+fn main() {}