- // MIR for `main` before ConstProp
+ // MIR for `main` after ConstProp
  
  fn main() -> () {
      let mut _0: ();                      // return place in scope 0 at $DIR/tuple_literal_propagation.rs:2:11: 2:11
      let _1: (u32, u32);                  // in scope 0 at $DIR/tuple_literal_propagation.rs:3:9: 3:10
      let _2: ();                          // in scope 0 at $DIR/tuple_literal_propagation.rs:5:5: 5:15
      let mut _3: (u32, u32);              // in scope 0 at $DIR/tuple_literal_propagation.rs:5:13: 5:14
      scope 1 {
          debug x => _1;                   // in scope 1 at $DIR/tuple_literal_propagation.rs:3:9: 3:10
      }
  
      bb0: {
          StorageLive(_1);                 // scope 0 at $DIR/tuple_literal_propagation.rs:3:9: 3:10
          _1 = (const 1_u32, const 2_u32); // scope 0 at $DIR/tuple_literal_propagation.rs:3:13: 3:19
                                           // ty::Const
                                           // + ty: u32
                                           // + val: Value(Scalar(0x00000001))
                                           // mir::Constant
-                                          // + span: $DIR/tuple_literal_propagation.rs:3:14: 3:15
+                                          // + span: $DIR/tuple_literal_propagation.rs:3:13: 3:19
                                           // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) }
                                           // ty::Const
                                           // + ty: u32
                                           // + val: Value(Scalar(0x00000002))
                                           // mir::Constant
-                                          // + span: $DIR/tuple_literal_propagation.rs:3:17: 3:18
+                                          // + span: $DIR/tuple_literal_propagation.rs:3:13: 3:19
                                           // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) }
          StorageLive(_2);                 // scope 1 at $DIR/tuple_literal_propagation.rs:5:5: 5:15
          StorageLive(_3);                 // scope 1 at $DIR/tuple_literal_propagation.rs:5:13: 5:14
-         _3 = _1;                         // scope 1 at $DIR/tuple_literal_propagation.rs:5:13: 5:14
+         _3 = (const 1_u32, const 2_u32); // scope 1 at $DIR/tuple_literal_propagation.rs:5:13: 5:14
+                                          // ty::Const
+                                          // + ty: u32
+                                          // + val: Value(Scalar(0x00000001))
+                                          // mir::Constant
+                                          // + span: $DIR/tuple_literal_propagation.rs:5:13: 5:14
+                                          // + literal: Const { ty: u32, val: Value(Scalar(0x00000001)) }
+                                          // ty::Const
+                                          // + ty: u32
+                                          // + val: Value(Scalar(0x00000002))
+                                          // mir::Constant
+                                          // + span: $DIR/tuple_literal_propagation.rs:5:13: 5:14
+                                          // + literal: Const { ty: u32, val: Value(Scalar(0x00000002)) }
          _2 = const consume(move _3) -> bb1; // scope 1 at $DIR/tuple_literal_propagation.rs:5:5: 5:15
                                           // ty::Const
                                           // + ty: fn((u32, u32)) {consume}
                                           // + val: Value(Scalar(<ZST>))
                                           // mir::Constant
                                           // + span: $DIR/tuple_literal_propagation.rs:5:5: 5:12
                                           // + literal: Const { ty: fn((u32, u32)) {consume}, val: Value(Scalar(<ZST>)) }
      }
  
      bb1: {
          StorageDead(_3);                 // scope 1 at $DIR/tuple_literal_propagation.rs:5:14: 5:15
          StorageDead(_2);                 // scope 1 at $DIR/tuple_literal_propagation.rs:5:15: 5:16
          _0 = const ();                   // scope 0 at $DIR/tuple_literal_propagation.rs:2:11: 6:2
                                           // ty::Const
                                           // + ty: ()
                                           // + val: Value(Scalar(<ZST>))
                                           // mir::Constant
                                           // + span: $DIR/tuple_literal_propagation.rs:2:11: 6:2
                                           // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
          StorageDead(_1);                 // scope 0 at $DIR/tuple_literal_propagation.rs:6:1: 6:2
          return;                          // scope 0 at $DIR/tuple_literal_propagation.rs:6:2: 6:2
      }
  }