1 files changed, 31 insertions, 0 deletions
diff --git a/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-44005.rs b/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-44005.rs
new file mode 100644
index 000000000..f255eac0c
--- /dev/null
+++ b/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-44005.rs
@@ -0,0 +1,31 @@
+// check-pass
+
+pub trait Foo<'a> {
+    type Bar;
+    fn foo(&'a self) -> Self::Bar;
+}
+
+impl<'a, 'b, T: 'a> Foo<'a> for &'b T {
+    type Bar = &'a T;
+    fn foo(&'a self) -> &'a T {
+        self
+    }
+}
+
+pub fn uncallable<T, F>(x: T, f: F)
+where
+    T: for<'a> Foo<'a>,
+    F: for<'a> Fn(<T as Foo<'a>>::Bar),
+{
+    f(x.foo());
+}
+
+pub fn catalyst(x: &i32) {
+    broken(x, |_| {})
+}
+
+pub fn broken<F: Fn(&i32)>(x: &i32, f: F) {
+    uncallable(x, |y| f(y));
+}
+
+fn main() {}