-- _1 = _2; // scope 1 at $DIR/simplify_match.rs:+1:28: +1:29
-+ _1 = const false; // scope 1 at $DIR/simplify_match.rs:+1:28: +1:29
- StorageDead(_2); // scope 0 at $DIR/simplify_match.rs:+1:30: +1:31
-- switchInt(_1) -> [0: bb1, otherwise: bb2]; // scope 0 at $DIR/simplify_match.rs:+1:5: +1:31