- // MIR for `main` before ConstProp
+ // MIR for `main` after ConstProp
  
  fn main() -> () {
      let mut _0: ();                      // return place in scope 0 at $DIR/mutable_variable_no_prop.rs:+0:11: +0:11
      let mut _1: u32;                     // in scope 0 at $DIR/mutable_variable_no_prop.rs:+1:9: +1:14
      let mut _2: u32;                     // in scope 0 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
      let mut _3: *mut u32;                // in scope 0 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
      scope 1 {
          debug x => _1;                   // in scope 1 at $DIR/mutable_variable_no_prop.rs:+1:9: +1:14
          let _4: u32;                     // in scope 1 at $DIR/mutable_variable_no_prop.rs:+5:9: +5:10
          scope 2 {
          }
          scope 3 {
              debug y => _4;               // in scope 3 at $DIR/mutable_variable_no_prop.rs:+5:9: +5:10
          }
      }
  
      bb0: {
          StorageLive(_1);                 // scope 0 at $DIR/mutable_variable_no_prop.rs:+1:9: +1:14
          _1 = const 42_u32;               // scope 0 at $DIR/mutable_variable_no_prop.rs:+1:17: +1:19
          StorageLive(_2);                 // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
          StorageLive(_3);                 // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
          _3 = const {alloc1: *mut u32};   // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
                                           // mir::Constant
                                           // + span: $DIR/mutable_variable_no_prop.rs:10:13: 10:19
                                           // + literal: Const { ty: *mut u32, val: Value(Scalar(alloc1)) }
          _2 = (*_3);                      // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:13: +3:19
          _1 = move _2;                    // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:9: +3:19
          StorageDead(_2);                 // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:18: +3:19
          StorageDead(_3);                 // scope 2 at $DIR/mutable_variable_no_prop.rs:+3:19: +3:20
          StorageLive(_4);                 // scope 1 at $DIR/mutable_variable_no_prop.rs:+5:9: +5:10
          _4 = _1;                         // scope 1 at $DIR/mutable_variable_no_prop.rs:+5:13: +5:14
          StorageDead(_4);                 // scope 1 at $DIR/mutable_variable_no_prop.rs:+6:1: +6:2
          StorageDead(_1);                 // scope 0 at $DIR/mutable_variable_no_prop.rs:+6:1: +6:2
          return;                          // scope 0 at $DIR/mutable_variable_no_prop.rs:+6:2: +6:2
      }
  }
  
  alloc1 (static: STATIC, size: 4, align: 4) {
      42 42 42 42                                     │ BBBB
  }