- // MIR for `main` before ConstProp + // MIR for `main` after ConstProp fn main() -> () { let mut _0: (); let _1: u32; scope 1 { debug x => _1; let _2: u8; scope 2 { debug y => _2; } } bb0: { StorageLive(_1); - _1 = const 42_u8 as u32 (IntToInt); + _1 = const 42_u32; StorageLive(_2); - _2 = const 42_u32 as u8 (IntToInt); + _2 = const 42_u8; _0 = const (); StorageDead(_2); StorageDead(_1); return; } }