1 files changed, 14 insertions, 0 deletions
diff --git a/tests/ui/polymorphization/promoted-function-3.rs b/tests/ui/polymorphization/promoted-function-3.rs
new file mode 100644
index 00000000000..bbd991e36cc
--- /dev/null
+++ b/tests/ui/polymorphization/promoted-function-3.rs
@@ -0,0 +1,14 @@
+// run-pass
+// compile-flags: -Zpolymorphize=on -Zmir-opt-level=4
+
+fn caller<T, U>() -> &'static usize {
+    callee::<U>()
+}
+
+fn callee<T>() -> &'static usize {
+    &std::mem::size_of::<T>()
+}
+
+fn main() {
+    assert_eq!(caller::<(), ()>(), &0);
+}