2 // Regression test for #49685: drop elaboration was not revealing the
3 // value of `impl Trait` returns, leading to an ICE.
8 .flat_map(|_| Some(()).into_iter().flat_map(func));
11 fn func(_: ()) -> impl Iterator<Item = ()> {
12 Some(()).into_iter().flat_map(|_| vec![])