| - // MIR for `as_match` before UnreachablePropagation |
| + // MIR for `as_match` after UnreachablePropagation |
| |
| fn as_match() -> () { |
| let mut _0: (); |
| let mut _1: std::option::Option<Empty>; |
| let mut _2: isize; |
| let _3: Empty; |
| let mut _4: !; |
| + let mut _5: bool; |
| scope 1 { |
| debug _x => _3; |
| } |
| |
| bb0: { |
| StorageLive(_1); |
| _1 = empty() -> [return: bb1, unwind unreachable]; |
| } |
| |
| bb1: { |
| _2 = discriminant(_1); |
| - switchInt(move _2) -> [1: bb3, otherwise: bb2]; |
| + _5 = Ne(copy _2, const 1_isize); |
| + assume(move _5); |
| + goto -> bb2; |
| } |
| |
| bb2: { |
| _0 = const (); |
| StorageDead(_1); |
| return; |
| } |
| |
| bb3: { |
| - StorageLive(_3); |
| - _3 = move ((_1 as Some).0: Empty); |
| - StorageLive(_4); |
| unreachable; |
| } |
| } |
| |