- // MIR for `concrete` before ConstProp
+ // MIR for `concrete` after ConstProp
  
  fn concrete() -> () {
      let mut _0: ();                      // return place in scope 0 at $DIR/offset_of.rs:+0:15: +0:15
      let _1: usize;                       // in scope 0 at $DIR/offset_of.rs:+1:9: +1:10
      scope 1 {
          debug x => _1;                   // in scope 1 at $DIR/offset_of.rs:+1:9: +1:10
          let _2: usize;                   // in scope 1 at $DIR/offset_of.rs:+2:9: +2:10
          scope 2 {
              debug y => _2;               // in scope 2 at $DIR/offset_of.rs:+2:9: +2:10
              let _3: usize;               // in scope 2 at $DIR/offset_of.rs:+3:9: +3:11
              scope 3 {
                  debug z0 => _3;          // in scope 3 at $DIR/offset_of.rs:+3:9: +3:11
                  let _4: usize;           // in scope 3 at $DIR/offset_of.rs:+4:9: +4:11
                  scope 4 {
                      debug z1 => _4;      // in scope 4 at $DIR/offset_of.rs:+4:9: +4:11
                  }
              }
          }
      }
  
      bb0: {
          StorageLive(_1);                 // scope 0 at $DIR/offset_of.rs:+1:9: +1:10
-         _1 = OffsetOf(Alpha, [0]);       // scope 0 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+         _1 = const 4_usize;              // scope 0 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
          StorageLive(_2);                 // scope 1 at $DIR/offset_of.rs:+2:9: +2:10
-         _2 = OffsetOf(Alpha, [1]);       // scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+         _2 = const 0_usize;              // scope 1 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
          StorageLive(_3);                 // scope 2 at $DIR/offset_of.rs:+3:9: +3:11
-         _3 = OffsetOf(Alpha, [2, 0]);    // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+         _3 = const 2_usize;              // scope 2 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
          StorageLive(_4);                 // scope 3 at $DIR/offset_of.rs:+4:9: +4:11
-         _4 = OffsetOf(Alpha, [2, 1]);    // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
+         _4 = const 3_usize;              // scope 3 at $SRC_DIR/core/src/mem/mod.rs:LL:COL
          _0 = const ();                   // scope 0 at $DIR/offset_of.rs:+0:15: +5:2
          StorageDead(_4);                 // scope 3 at $DIR/offset_of.rs:+5:1: +5:2
          StorageDead(_3);                 // scope 2 at $DIR/offset_of.rs:+5:1: +5:2
          StorageDead(_2);                 // scope 1 at $DIR/offset_of.rs:+5:1: +5:2
          StorageDead(_1);                 // scope 0 at $DIR/offset_of.rs:+5:1: +5:2
          return;                          // scope 0 at $DIR/offset_of.rs:+5:2: +5:2
      }
  }