- // MIR for `foo` before ConstProp + // MIR for `foo` after ConstProp fn foo() -> () { let mut _0: (); // return place in scope 0 at $DIR/const_prop_miscompile.rs:+0:10: +0:10 let mut _1: (i32,); // in scope 0 at $DIR/const_prop_miscompile.rs:+1:9: +1:14 let mut _2: &mut i32; // in scope 0 at $DIR/const_prop_miscompile.rs:+2:6: +2:14 let mut _4: i32; // in scope 0 at $DIR/const_prop_miscompile.rs:+3:13: +3:20 scope 1 { debug u => _1; // in scope 1 at $DIR/const_prop_miscompile.rs:+1:9: +1:14 let _3: bool; // in scope 1 at $DIR/const_prop_miscompile.rs:+3:9: +3:10 scope 2 { debug y => _3; // in scope 2 at $DIR/const_prop_miscompile.rs:+3:9: +3:10 } } bb0: { StorageLive(_1); // scope 0 at $DIR/const_prop_miscompile.rs:+1:9: +1:14 _1 = (const 1_i32,); // scope 0 at $DIR/const_prop_miscompile.rs:+1:17: +1:21 StorageLive(_2); // scope 1 at $DIR/const_prop_miscompile.rs:+2:6: +2:14 _2 = &mut (_1.0: i32); // scope 1 at $DIR/const_prop_miscompile.rs:+2:6: +2:14 (*_2) = const 5_i32; // scope 1 at $DIR/const_prop_miscompile.rs:+2:5: +2:18 StorageDead(_2); // scope 1 at $DIR/const_prop_miscompile.rs:+2:18: +2:19 StorageLive(_3); // scope 1 at $DIR/const_prop_miscompile.rs:+3:9: +3:10 StorageLive(_4); // scope 1 at $DIR/const_prop_miscompile.rs:+3:13: +3:20 _4 = (_1.0: i32); // scope 1 at $DIR/const_prop_miscompile.rs:+3:15: +3:18 _3 = Eq(move _4, const 5_i32); // scope 1 at $DIR/const_prop_miscompile.rs:+3:13: +3:25 StorageDead(_4); // scope 1 at $DIR/const_prop_miscompile.rs:+3:24: +3:25 _0 = const (); // scope 0 at $DIR/const_prop_miscompile.rs:+0:10: +4:2 StorageDead(_3); // scope 1 at $DIR/const_prop_miscompile.rs:+4:1: +4:2 StorageDead(_1); // scope 0 at $DIR/const_prop_miscompile.rs:+4:1: +4:2 return; // scope 0 at $DIR/const_prop_miscompile.rs:+4:2: +4:2 } }