- // MIR for `issue_77355_opt` before ConstGoto + // MIR for `issue_77355_opt` after ConstGoto fn issue_77355_opt(_1: Foo) -> u64 { debug num => _1; let mut _0: u64; - let mut _2: bool; - let mut _3: isize; + let mut _2: isize; bb0: { - StorageLive(_2); - _3 = discriminant(_1); - switchInt(move _3) -> [1: bb2, 2: bb2, otherwise: bb1]; + _2 = discriminant(_1); + switchInt(move _2) -> [1: bb2, 2: bb2, otherwise: bb1]; } bb1: { - _2 = const false; + _0 = const 42_u64; goto -> bb3; } bb2: { - _2 = const true; + _0 = const 23_u64; goto -> bb3; } bb3: { - switchInt(move _2) -> [0: bb5, otherwise: bb4]; - } - - bb4: { - _0 = const 23_u64; - goto -> bb6; - } - - bb5: { - _0 = const 42_u64; - goto -> bb6; - } - - bb6: { - StorageDead(_2); return; } }