- // MIR for `main` before ConstProp
+ // MIR for `main` after ConstProp
  
  fn main() -> () {
      let mut _0: ();                      // return place in scope 0 at $DIR/large_array_index.rs:4:11: 4:11
      let _1: u8;                          // in scope 0 at $DIR/large_array_index.rs:6:9: 6:10
      let mut _2: [u8; 5000];              // in scope 0 at $DIR/large_array_index.rs:6:17: 6:29
      let _3: usize;                       // in scope 0 at $DIR/large_array_index.rs:6:30: 6:31
      let mut _4: usize;                   // in scope 0 at $DIR/large_array_index.rs:6:17: 6:32
      let mut _5: bool;                    // in scope 0 at $DIR/large_array_index.rs:6:17: 6:32
      scope 1 {
          debug x => _1;                   // in scope 1 at $DIR/large_array_index.rs:6:9: 6:10
      }
  
      bb0: {
          StorageLive(_1);                 // scope 0 at $DIR/large_array_index.rs:6:9: 6:10
          StorageLive(_2);                 // scope 0 at $DIR/large_array_index.rs:6:17: 6:29
          _2 = [const 0_u8; 5000];         // scope 0 at $DIR/large_array_index.rs:6:17: 6:29
                                           // ty::Const
                                           // + ty: u8
                                           // + val: Value(Scalar(0x00))
                                           // mir::Constant
                                           // + span: $DIR/large_array_index.rs:6:18: 6:22
                                           // + literal: Const { ty: u8, val: Value(Scalar(0x00)) }
          StorageLive(_3);                 // scope 0 at $DIR/large_array_index.rs:6:30: 6:31
          _3 = const 2_usize;              // scope 0 at $DIR/large_array_index.rs:6:30: 6:31
                                           // ty::Const
                                           // + ty: usize
                                           // + val: Value(Scalar(0x00000002))
                                           // mir::Constant
                                           // + span: $DIR/large_array_index.rs:6:30: 6:31
                                           // + literal: Const { ty: usize, val: Value(Scalar(0x00000002)) }
          _4 = const 5000_usize;           // scope 0 at $DIR/large_array_index.rs:6:17: 6:32
                                           // ty::Const
                                           // + ty: usize
                                           // + val: Value(Scalar(0x00001388))
                                           // mir::Constant
                                           // + span: $DIR/large_array_index.rs:6:17: 6:32
                                           // + literal: Const { ty: usize, val: Value(Scalar(0x00001388)) }
-         _5 = Lt(_3, _4);                 // scope 0 at $DIR/large_array_index.rs:6:17: 6:32
-         assert(move _5, "index out of bounds: the len is {} but the index is {}", move _4, _3) -> bb1; // scope 0 at $DIR/large_array_index.rs:6:17: 6:32
+         _5 = const true;                 // scope 0 at $DIR/large_array_index.rs:6:17: 6:32
+                                          // ty::Const
+                                          // + ty: bool
+                                          // + val: Value(Scalar(0x01))
+                                          // mir::Constant
+                                          // + span: $DIR/large_array_index.rs:6:17: 6:32
+                                          // + literal: Const { ty: bool, val: Value(Scalar(0x01)) }
+         assert(const true, "index out of bounds: the len is {} but the index is {}", const 5000_usize, const 2_usize) -> bb1; // scope 0 at $DIR/large_array_index.rs:6:17: 6:32
+                                          // ty::Const
+                                          // + ty: bool
+                                          // + val: Value(Scalar(0x01))
+                                          // mir::Constant
+                                          // + span: $DIR/large_array_index.rs:6:17: 6:32
+                                          // + literal: Const { ty: bool, val: Value(Scalar(0x01)) }
+                                          // ty::Const
+                                          // + ty: usize
+                                          // + val: Value(Scalar(0x00001388))
+                                          // mir::Constant
+                                          // + span: $DIR/large_array_index.rs:6:17: 6:32
+                                          // + literal: Const { ty: usize, val: Value(Scalar(0x00001388)) }
+                                          // ty::Const
+                                          // + ty: usize
+                                          // + val: Value(Scalar(0x00000002))
+                                          // mir::Constant
+                                          // + span: $DIR/large_array_index.rs:6:17: 6:32
+                                          // + literal: Const { ty: usize, val: Value(Scalar(0x00000002)) }
      }
  
      bb1: {
          _1 = _2[_3];                     // scope 0 at $DIR/large_array_index.rs:6:17: 6:32
          StorageDead(_3);                 // scope 0 at $DIR/large_array_index.rs:6:32: 6:33
          StorageDead(_2);                 // scope 0 at $DIR/large_array_index.rs:6:32: 6:33
          _0 = const ();                   // scope 0 at $DIR/large_array_index.rs:4:11: 7:2
                                           // ty::Const
                                           // + ty: ()
                                           // + val: Value(Scalar(<ZST>))
                                           // mir::Constant
                                           // + span: $DIR/large_array_index.rs:4:11: 7:2
                                           // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
          StorageDead(_1);                 // scope 0 at $DIR/large_array_index.rs:7:1: 7:2
          return;                          // scope 0 at $DIR/large_array_index.rs:7:2: 7:2
      }
  }