// 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)); }