- // MIR for `t4` before SimplifyLocals-before-const-prop
+ // MIR for `t4` after SimplifyLocals-before-const-prop
  
  fn t4() -> u32 {
      let mut _0: u32;                     // return place in scope 0 at $DIR/simplify_locals.rs:+0:12: +0:15
      let mut _1: u32;                     // in scope 0 at $DIR/simplify_locals.rs:+2:14: +2:15
      let mut _2: *mut u32;                // in scope 0 at $DIR/simplify_locals.rs:+2:14: +2:15
      scope 1 {
      }
  
      bb0: {
          StorageLive(_1);                 // scope 1 at $DIR/simplify_locals.rs:+2:14: +2:15
          StorageLive(_2);                 // scope 1 at $DIR/simplify_locals.rs:+2:14: +2:15
          _2 = &/*tls*/ mut X;             // scope 1 at $DIR/simplify_locals.rs:+2:14: +2:15
          _1 = (*_2);                      // scope 1 at $DIR/simplify_locals.rs:+2:14: +2:15
          _0 = Add(move _1, const 1_u32);  // scope 1 at $DIR/simplify_locals.rs:+2:14: +2:19
          StorageDead(_1);                 // scope 1 at $DIR/simplify_locals.rs:+2:18: +2:19
          StorageDead(_2);                 // scope 0 at $DIR/simplify_locals.rs:+3:1: +3:2
          return;                          // scope 0 at $DIR/simplify_locals.rs:+3:2: +3:2
      }
  }