Add issue-80956

rust-lang/rust#80956

Author: JohnTitor

ices/80956.rs

@@ -0,0 +1,19 @@
+pub trait Bar {
+    type Type;
+}
+pub struct Foo<'a>(&'a ());
+impl<'a> Bar for Foo<'a> {
+    type Type = ();
+}
+
+pub fn func<'a>(_: <Foo<'a> as Bar>::Type) {}
+pub fn assert_is_func<A>(_: fn(A)) {}
+
+pub fn test()
+where
+    for<'a> <Foo<'a> as Bar>::Type: Sized,
+{
+    assert_is_func(func);
+}
+
+fn main() {}