// MIR for `bar` after built fn bar(_1: Bar) -> usize { debug bar => _1; let mut _0: usize; let _2: Bar; let mut _3: isize; bb0: { StorageLive(_2); _2 = move _1; _3 = discriminant(_2); _0 = move _3 as usize (IntToInt); StorageDead(_2); return; } }