1 files changed, 18 insertions, 0 deletions
diff --git a/tests/ui/generic-associated-types/issue-68645-codegen-fulfillment.rs b/tests/ui/generic-associated-types/issue-68645-codegen-fulfillment.rs
new file mode 100644
index 000000000..60b065bfc
--- /dev/null
+++ b/tests/ui/generic-associated-types/issue-68645-codegen-fulfillment.rs
@@ -0,0 +1,18 @@
+// Regression test for #68645
+
+trait Fun {
+    type F<'a>: Fn() -> u32;
+
+    fn callme<'a>(f: Self::F<'a>) -> u32 {
+        f()
+    }
+}
+
+impl<T> Fun for T {
+    type F<'a> = Self;
+    //~^ ERROR expected a `Fn<()>` closure, found `T`
+}
+
+fn main() {
+    <&dyn Iterator<Item = u8>>::callme(&std::iter::once(1));
+}