rust/tests/ui/mir/issue-66851.rs
2023-01-11 09:32:08 +00:00

21 lines
449 B
Rust

// This used to mis-compile because the mir-opt `SimplifyArmIdentity`
// did not check that the types matched up in the `Ok(r)` branch.
//
// run-pass
// compile-flags: -Zmir-opt-level=3
#[derive(Debug, PartialEq, Eq)]
enum SpecialsRes { Res(u64) }
fn e103() -> SpecialsRes {
if let Ok(r) = "1".parse() {
SpecialsRes::Res(r)
} else {
SpecialsRes::Res(42)
}
}
fn main() {
assert_eq!(e103(), SpecialsRes::Res(1));
}