- // MIR for `main` before RemoveZsts
+ // MIR for `main` after RemoveZsts
  
  fn main() -> () {
      let mut _0: ();                      // return place in scope 0 at $DIR/invalid_constant.rs:+0:11: +0:11
      let _1: char;                        // in scope 0 at $DIR/invalid_constant.rs:+6:9: +6:22
      let mut _2: main::InvalidChar;       // in scope 0 at $DIR/invalid_constant.rs:+6:34: +6:63
      let mut _4: E;                       // in scope 0 at $DIR/invalid_constant.rs:+13:25: +13:59
      let mut _5: main::InvalidTag;        // in scope 0 at $DIR/invalid_constant.rs:+13:34: +13:55
      let mut _7: Empty;                   // in scope 0 at $DIR/invalid_constant.rs:+20:35: +20:73
      let mut _8: main::NoVariants;        // in scope 0 at $DIR/invalid_constant.rs:+20:44: +20:65
      scope 1 {
          debug _invalid_char => _1;       // in scope 1 at $DIR/invalid_constant.rs:+6:9: +6:22
          let _3: [E; 1];                  // in scope 1 at $DIR/invalid_constant.rs:+13:9: +13:21
          scope 3 {
              debug _invalid_tag => _3;    // in scope 3 at $DIR/invalid_constant.rs:+13:9: +13:21
              let _6: [Empty; 1];          // in scope 3 at $DIR/invalid_constant.rs:+20:9: +20:31
              scope 5 {
-                 debug _enum_without_variants => _6; // in scope 5 at $DIR/invalid_constant.rs:+20:9: +20:31
+                 debug _enum_without_variants => const [ZeroSized: Empty]; // in scope 5 at $DIR/invalid_constant.rs:+20:9: +20:31
                  let _9: main::Str<"���">; // in scope 5 at $DIR/invalid_constant.rs:+24:9: +24:22
                  scope 7 {
-                     debug _non_utf8_str => _9; // in scope 7 at $DIR/invalid_constant.rs:+24:9: +24:22
+                     debug _non_utf8_str => const Str::<"���">; // in scope 7 at $DIR/invalid_constant.rs:+24:9: +24:22
                  }
              }
              scope 6 {
              }
          }
          scope 4 {
          }
      }
      scope 2 {
      }
  
      bb0: {
          StorageLive(_1);                 // scope 0 at $DIR/invalid_constant.rs:+6:9: +6:22
          StorageLive(_2);                 // scope 2 at $DIR/invalid_constant.rs:+6:34: +6:63
          _2 = InvalidChar { int: const 1114113_u32 }; // scope 2 at $DIR/invalid_constant.rs:+6:34: +6:63
          _1 = (_2.1: char);               // scope 2 at $DIR/invalid_constant.rs:+6:34: +6:67
          StorageDead(_2);                 // scope 0 at $DIR/invalid_constant.rs:+6:69: +6:70
          StorageLive(_3);                 // scope 1 at $DIR/invalid_constant.rs:+13:9: +13:21
          StorageLive(_4);                 // scope 1 at $DIR/invalid_constant.rs:+13:25: +13:59
          StorageLive(_5);                 // scope 4 at $DIR/invalid_constant.rs:+13:34: +13:55
          _5 = InvalidTag { int: const 4_u32 }; // scope 4 at $DIR/invalid_constant.rs:+13:34: +13:55
          _4 = (_5.1: E);                  // scope 4 at $DIR/invalid_constant.rs:+13:34: +13:57
          _3 = [move _4];                  // scope 1 at $DIR/invalid_constant.rs:+13:24: +13:60
          StorageDead(_4);                 // scope 1 at $DIR/invalid_constant.rs:+13:59: +13:60
          StorageDead(_5);                 // scope 1 at $DIR/invalid_constant.rs:+13:60: +13:61
-         StorageLive(_6);                 // scope 3 at $DIR/invalid_constant.rs:+20:9: +20:31
-         StorageLive(_7);                 // scope 3 at $DIR/invalid_constant.rs:+20:35: +20:73
+         nop;                             // scope 3 at $DIR/invalid_constant.rs:+20:9: +20:31
+         nop;                             // scope 3 at $DIR/invalid_constant.rs:+20:35: +20:73
          StorageLive(_8);                 // scope 6 at $DIR/invalid_constant.rs:+20:44: +20:65
          _8 = NoVariants { int: const 0_u32 }; // scope 6 at $DIR/invalid_constant.rs:+20:44: +20:65
-         _7 = (_8.1: Empty);              // scope 6 at $DIR/invalid_constant.rs:+20:44: +20:71
-         _6 = [move _7];                  // scope 3 at $DIR/invalid_constant.rs:+20:34: +20:74
-         StorageDead(_7);                 // scope 3 at $DIR/invalid_constant.rs:+20:73: +20:74
+         nop;                             // scope 6 at $DIR/invalid_constant.rs:+20:44: +20:71
+         nop;                             // scope 3 at $DIR/invalid_constant.rs:+20:34: +20:74
+         nop;                             // scope 3 at $DIR/invalid_constant.rs:+20:73: +20:74
          StorageDead(_8);                 // scope 3 at $DIR/invalid_constant.rs:+20:74: +20:75
-         StorageLive(_9);                 // scope 5 at $DIR/invalid_constant.rs:+24:9: +24:22
-         _0 = const ();                   // scope 0 at $DIR/invalid_constant.rs:+0:11: +27:2
-         StorageDead(_9);                 // scope 5 at $DIR/invalid_constant.rs:+27:1: +27:2
-         StorageDead(_6);                 // scope 3 at $DIR/invalid_constant.rs:+27:1: +27:2
+         nop;                             // scope 5 at $DIR/invalid_constant.rs:+24:9: +24:22
+         nop;                             // scope 0 at $DIR/invalid_constant.rs:+0:11: +27:2
+         nop;                             // scope 5 at $DIR/invalid_constant.rs:+27:1: +27:2
+         nop;                             // scope 3 at $DIR/invalid_constant.rs:+27:1: +27:2
          StorageDead(_3);                 // scope 1 at $DIR/invalid_constant.rs:+27:1: +27:2
          StorageDead(_1);                 // scope 0 at $DIR/invalid_constant.rs:+27:1: +27:2
          return;                          // scope 0 at $DIR/invalid_constant.rs:+27:2: +27:2
      }
  }