| // check-pass | |
| #![allow(dead_code)] | |
| #![allow(unreachable_code)] | |
| // Regression test for issue #39984. | |
| // | |
| // The key here is that the error type of the `Ok` call ought to be | |
| // constrained to `String`, even though it is dead-code. | |
| fn main() {} | |
| fn t() -> Result<(), String> { | |
| return Err("".into()); | |
| Ok(()) | |
| } |