- // MIR for `ref_copies` before ScalarReplacementOfAggregates
+ // MIR for `ref_copies` after ScalarReplacementOfAggregates
  
  fn ref_copies(_1: &Foo) -> () {
      debug x => _1;                       // in scope 0 at $DIR/sroa.rs:+0:15: +0:16
      let mut _0: ();                      // return place in scope 0 at $DIR/sroa.rs:+0:24: +0:24
      let _2: Foo;                         // in scope 0 at $DIR/sroa.rs:+1:9: +1:10
+     let _5: u8;                          // in scope 0 at $DIR/sroa.rs:+1:9: +1:10
+     let _6: ();                          // in scope 0 at $DIR/sroa.rs:+1:9: +1:10
+     let _7: &str;                        // in scope 0 at $DIR/sroa.rs:+1:9: +1:10
+     let _8: std::option::Option<isize>;  // in scope 0 at $DIR/sroa.rs:+1:9: +1:10
      scope 1 {
-         debug y => _2;                   // in scope 1 at $DIR/sroa.rs:+1:9: +1:10
+         debug y => Foo{ .0 => _5, .1 => _6, .2 => _7, .3 => _8, }; // in scope 1 at $DIR/sroa.rs:+1:9: +1:10
          let _3: u8;                      // in scope 1 at $DIR/sroa.rs:+2:9: +2:10
          scope 2 {
              debug t => _3;               // in scope 2 at $DIR/sroa.rs:+2:9: +2:10
              let _4: &str;                // in scope 2 at $DIR/sroa.rs:+3:9: +3:10
              scope 3 {
                  debug u => _4;           // in scope 3 at $DIR/sroa.rs:+3:9: +3:10
              }
          }
      }
  
      bb0: {
-         StorageLive(_2);                 // scope 0 at $DIR/sroa.rs:+1:9: +1:10
-         _2 = (*_1);                      // scope 0 at $DIR/sroa.rs:+1:13: +1:15
+         StorageLive(_5);                 // scope 0 at $DIR/sroa.rs:+1:9: +1:10
+         StorageLive(_6);                 // scope 0 at $DIR/sroa.rs:+1:9: +1:10
+         StorageLive(_7);                 // scope 0 at $DIR/sroa.rs:+1:9: +1:10
+         StorageLive(_8);                 // scope 0 at $DIR/sroa.rs:+1:9: +1:10
+         nop;                             // scope 0 at $DIR/sroa.rs:+1:9: +1:10
+         _5 = ((*_1).0: u8);              // scope 0 at $DIR/sroa.rs:+1:13: +1:15
+         _6 = ((*_1).1: ());              // scope 0 at $DIR/sroa.rs:+1:13: +1:15
+         _7 = ((*_1).2: &str);            // scope 0 at $DIR/sroa.rs:+1:13: +1:15
+         _8 = ((*_1).3: std::option::Option<isize>); // scope 0 at $DIR/sroa.rs:+1:13: +1:15
+         nop;                             // scope 0 at $DIR/sroa.rs:+1:13: +1:15
          StorageLive(_3);                 // scope 1 at $DIR/sroa.rs:+2:9: +2:10
-         _3 = (_2.0: u8);                 // scope 1 at $DIR/sroa.rs:+2:13: +2:16
+         _3 = _5;                         // scope 1 at $DIR/sroa.rs:+2:13: +2:16
          StorageLive(_4);                 // scope 2 at $DIR/sroa.rs:+3:9: +3:10
-         _4 = (_2.2: &str);               // scope 2 at $DIR/sroa.rs:+3:13: +3:16
+         _4 = _7;                         // scope 2 at $DIR/sroa.rs:+3:13: +3:16
          _0 = const ();                   // scope 0 at $DIR/sroa.rs:+0:24: +4:2
          StorageDead(_4);                 // scope 2 at $DIR/sroa.rs:+4:1: +4:2
          StorageDead(_3);                 // scope 1 at $DIR/sroa.rs:+4:1: +4:2
-         StorageDead(_2);                 // scope 0 at $DIR/sroa.rs:+4:1: +4:2
+         StorageDead(_5);                 // scope 0 at $DIR/sroa.rs:+4:1: +4:2
+         StorageDead(_6);                 // scope 0 at $DIR/sroa.rs:+4:1: +4:2
+         StorageDead(_7);                 // scope 0 at $DIR/sroa.rs:+4:1: +4:2
+         StorageDead(_8);                 // scope 0 at $DIR/sroa.rs:+4:1: +4:2
+         nop;                             // scope 0 at $DIR/sroa.rs:+4:1: +4:2
          return;                          // scope 0 at $DIR/sroa.rs:+4:2: +4:2
      }
  }