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