Separate test cases into bbs.

1 files changed, 283 insertions, 199 deletions

diff --git a/tests/mir-opt/reference_prop.reference_propagation_mut.ReferencePropagation.diff b/tests/mir-opt/reference_prop.reference_propagation_mut.ReferencePropagation.diff
index f7bbd2a03f9..9ad9dd86d1c 100644
--- a/tests/mir-opt/reference_prop.reference_propagation_mut.ReferencePropagation.diff
+++ b/tests/mir-opt/reference_prop.reference_propagation_mut.ReferencePropagation.diff
@@ -5,29 +5,41 @@
       debug single => _1;                  // in scope 0 at $DIR/reference_prop.rs:+0:43: +0:49
       debug multiple => _2;                // in scope 0 at $DIR/reference_prop.rs:+0:62: +0:74
       let mut _0: ();                      // return place in scope 0 at $DIR/reference_prop.rs:+0:87: +0:87
-      let _3: ();                          // in scope 0 at $DIR/reference_prop.rs:+2:5: +6:6
+      let _3: ();                          // in scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
       let mut _4: usize;                   // in scope 0 at $DIR/reference_prop.rs:+3:13: +3:18
-      let _7: ();                          // in scope 0 at $DIR/reference_prop.rs:+9:5: +16:6
-      let mut _8: usize;                   // in scope 0 at $DIR/reference_prop.rs:+10:13: +10:18
-      let mut _11: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+13:13: +13:20
-      let mut _12: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+13:13: +13:20
-      let _14: ();                         // in scope 0 at $DIR/reference_prop.rs:+19:5: +24:6
-      let mut _15: usize;                  // in scope 0 at $DIR/reference_prop.rs:+20:13: +20:18
-      let _19: ();                         // in scope 0 at $DIR/reference_prop.rs:+27:5: +32:6
-      let mut _20: usize;                  // in scope 0 at $DIR/reference_prop.rs:+28:13: +28:18
-      let _24: ();                         // in scope 0 at $DIR/reference_prop.rs:+35:5: +40:6
-      let mut _25: usize;                  // in scope 0 at $DIR/reference_prop.rs:+36:13: +36:18
-      let _28: ();                         // in scope 0 at $DIR/reference_prop.rs:+39:9: +39:18
-      let mut _29: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+39:16: +39:17
-      let _30: ();                         // in scope 0 at $DIR/reference_prop.rs:+43:5: +53:6
-      let mut _31: usize;                  // in scope 0 at $DIR/reference_prop.rs:+44:13: +44:18
-      let _37: ();                         // in scope 0 at $DIR/reference_prop.rs:+52:9: +52:19
-      let mut _38: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+52:16: +52:18
-      let _39: ();                         // in scope 0 at $DIR/reference_prop.rs:+56:5: +59:6
-      let _40: &mut T;                     // in scope 0 at $DIR/reference_prop.rs:+57:13: +57:14
-      let _42: &mut T;                     // in scope 0 at $DIR/reference_prop.rs:+63:13: +63:14
-      let mut _43: &mut T;                 // in scope 0 at $DIR/reference_prop.rs:+64:20: +64:32
-      let mut _44: &mut T;                 // in scope 0 at $DIR/reference_prop.rs:+64:20: +64:32
+      let _7: ();                          // in scope 0 at $DIR/reference_prop.rs:+6:9: +6:19
+      let mut _8: ();                      // in scope 0 at $DIR/reference_prop.rs:+6:16: +6:18
+      let _9: ();                          // in scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+      let mut _10: usize;                  // in scope 0 at $DIR/reference_prop.rs:+11:13: +11:18
+      let mut _13: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+14:13: +14:20
+      let mut _14: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+14:13: +14:20
+      let _16: ();                         // in scope 0 at $DIR/reference_prop.rs:+17:9: +17:19
+      let mut _17: ();                     // in scope 0 at $DIR/reference_prop.rs:+17:16: +17:18
+      let _18: ();                         // in scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+      let mut _19: usize;                  // in scope 0 at $DIR/reference_prop.rs:+22:13: +22:18
+      let _23: ();                         // in scope 0 at $DIR/reference_prop.rs:+26:9: +26:19
+      let mut _24: ();                     // in scope 0 at $DIR/reference_prop.rs:+26:16: +26:18
+      let _25: ();                         // in scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+      let mut _26: usize;                  // in scope 0 at $DIR/reference_prop.rs:+31:13: +31:18
+      let _30: ();                         // in scope 0 at $DIR/reference_prop.rs:+35:9: +35:19
+      let mut _31: ();                     // in scope 0 at $DIR/reference_prop.rs:+35:16: +35:18
+      let _32: ();                         // in scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+      let mut _33: usize;                  // in scope 0 at $DIR/reference_prop.rs:+40:13: +40:18
+      let _36: ();                         // in scope 0 at $DIR/reference_prop.rs:+43:9: +43:18
+      let mut _37: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+43:16: +43:17
+      let _38: ();                         // in scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+      let mut _39: usize;                  // in scope 0 at $DIR/reference_prop.rs:+48:13: +48:18
+      let _45: ();                         // in scope 0 at $DIR/reference_prop.rs:+56:9: +56:19
+      let mut _46: &mut usize;             // in scope 0 at $DIR/reference_prop.rs:+56:16: +56:18
+      let _47: ();                         // in scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+      let _48: &mut T;                     // in scope 0 at $DIR/reference_prop.rs:+61:13: +61:14
+      let _50: ();                         // in scope 0 at $DIR/reference_prop.rs:+63:9: +63:19
+      let mut _51: ();                     // in scope 0 at $DIR/reference_prop.rs:+63:16: +63:18
+      let _52: &mut T;                     // in scope 0 at $DIR/reference_prop.rs:+68:13: +68:14
+      let mut _53: &mut T;                 // in scope 0 at $DIR/reference_prop.rs:+69:20: +69:32
+      let mut _54: &mut T;                 // in scope 0 at $DIR/reference_prop.rs:+69:20: +69:32
+      let _56: ();                         // in scope 0 at $DIR/reference_prop.rs:+71:9: +71:19
+      let mut _57: ();                     // in scope 0 at $DIR/reference_prop.rs:+71:16: +71:18
       scope 1 {
           debug a => _4;                   // in scope 1 at $DIR/reference_prop.rs:+3:13: +3:18
           let _5: &mut usize;              // in scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
@@ -40,78 +52,78 @@
           }
       }
       scope 4 {
-          debug a => _8;                   // in scope 4 at $DIR/reference_prop.rs:+10:13: +10:18
-          let mut _9: usize;               // in scope 4 at $DIR/reference_prop.rs:+11:13: +11:19
+          debug a => _10;                  // in scope 4 at $DIR/reference_prop.rs:+11:13: +11:18
+          let mut _11: usize;              // in scope 4 at $DIR/reference_prop.rs:+12:13: +12:19
           scope 5 {
-              debug a2 => _9;              // in scope 5 at $DIR/reference_prop.rs:+11:13: +11:19
-              let mut _10: &mut usize;     // in scope 5 at $DIR/reference_prop.rs:+12:13: +12:18
+              debug a2 => _11;             // in scope 5 at $DIR/reference_prop.rs:+12:13: +12:19
+              let mut _12: &mut usize;     // in scope 5 at $DIR/reference_prop.rs:+13:13: +13:18
               scope 6 {
-                  debug b => _10;          // in scope 6 at $DIR/reference_prop.rs:+12:13: +12:18
-                  let _13: usize;          // in scope 6 at $DIR/reference_prop.rs:+15:13: +15:14
+                  debug b => _12;          // in scope 6 at $DIR/reference_prop.rs:+13:13: +13:18
+                  let _15: usize;          // in scope 6 at $DIR/reference_prop.rs:+16:13: +16:14
                   scope 7 {
-                      debug c => _13;      // in scope 7 at $DIR/reference_prop.rs:+15:13: +15:14
+                      debug c => _15;      // in scope 7 at $DIR/reference_prop.rs:+16:13: +16:14
                   }
               }
           }
       }
       scope 8 {
-          debug a => _15;                  // in scope 8 at $DIR/reference_prop.rs:+20:13: +20:18
-          let _16: &mut usize;             // in scope 8 at $DIR/reference_prop.rs:+21:13: +21:14
+          debug a => _19;                  // in scope 8 at $DIR/reference_prop.rs:+22:13: +22:18
+          let _20: &mut usize;             // in scope 8 at $DIR/reference_prop.rs:+23:13: +23:14
           scope 9 {
-              debug b => _16;              // in scope 9 at $DIR/reference_prop.rs:+21:13: +21:14
-              let _17: &&mut usize;        // in scope 9 at $DIR/reference_prop.rs:+22:13: +22:14
+              debug b => _20;              // in scope 9 at $DIR/reference_prop.rs:+23:13: +23:14
+              let _21: &&mut usize;        // in scope 9 at $DIR/reference_prop.rs:+24:13: +24:14
               scope 10 {
-                  debug d => _17;          // in scope 10 at $DIR/reference_prop.rs:+22:13: +22:14
-                  let _18: usize;          // in scope 10 at $DIR/reference_prop.rs:+23:13: +23:14
+                  debug d => _21;          // in scope 10 at $DIR/reference_prop.rs:+24:13: +24:14
+                  let _22: usize;          // in scope 10 at $DIR/reference_prop.rs:+25:13: +25:14
                   scope 11 {
-                      debug c => _18;      // in scope 11 at $DIR/reference_prop.rs:+23:13: +23:14
+                      debug c => _22;      // in scope 11 at $DIR/reference_prop.rs:+25:13: +25:14
                   }
               }
           }
       }
       scope 12 {
-          debug a => _20;                  // in scope 12 at $DIR/reference_prop.rs:+28:13: +28:18
-          let mut _21: &mut usize;         // in scope 12 at $DIR/reference_prop.rs:+29:13: +29:18
+          debug a => _26;                  // in scope 12 at $DIR/reference_prop.rs:+31:13: +31:18
+          let mut _27: &mut usize;         // in scope 12 at $DIR/reference_prop.rs:+32:13: +32:18
           scope 13 {
-              debug b => _21;              // in scope 13 at $DIR/reference_prop.rs:+29:13: +29:18
-              let _22: &mut &mut usize;    // in scope 13 at $DIR/reference_prop.rs:+30:13: +30:14
+              debug b => _27;              // in scope 13 at $DIR/reference_prop.rs:+32:13: +32:18
+              let _28: &mut &mut usize;    // in scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
               scope 14 {
-                  debug d => _22;          // in scope 14 at $DIR/reference_prop.rs:+30:13: +30:14
-                  let _23: usize;          // in scope 14 at $DIR/reference_prop.rs:+31:13: +31:14
+                  debug d => _28;          // in scope 14 at $DIR/reference_prop.rs:+33:13: +33:14
+                  let _29: usize;          // in scope 14 at $DIR/reference_prop.rs:+34:13: +34:14
                   scope 15 {
-                      debug c => _23;      // in scope 15 at $DIR/reference_prop.rs:+31:13: +31:14
+                      debug c => _29;      // in scope 15 at $DIR/reference_prop.rs:+34:13: +34:14
                   }
               }
           }
       }
       scope 16 {
-          debug a => _25;                  // in scope 16 at $DIR/reference_prop.rs:+36:13: +36:18
-          let _26: &mut usize;             // in scope 16 at $DIR/reference_prop.rs:+37:13: +37:14
+          debug a => _33;                  // in scope 16 at $DIR/reference_prop.rs:+40:13: +40:18
+          let _34: &mut usize;             // in scope 16 at $DIR/reference_prop.rs:+41:13: +41:14
           scope 17 {
-              debug b => _26;              // in scope 17 at $DIR/reference_prop.rs:+37:13: +37:14
-              let _27: usize;              // in scope 17 at $DIR/reference_prop.rs:+38:13: +38:14
+              debug b => _34;              // in scope 17 at $DIR/reference_prop.rs:+41:13: +41:14
+              let _35: usize;              // in scope 17 at $DIR/reference_prop.rs:+42:13: +42:14
               scope 18 {
-                  debug c => _27;          // in scope 18 at $DIR/reference_prop.rs:+38:13: +38:14
+                  debug c => _35;          // in scope 18 at $DIR/reference_prop.rs:+42:13: +42:14
               }
           }
       }
       scope 19 {
-          debug a => _31;                  // in scope 19 at $DIR/reference_prop.rs:+44:13: +44:18
-          let _32: &mut usize;             // in scope 19 at $DIR/reference_prop.rs:+45:13: +45:15
+          debug a => _39;                  // in scope 19 at $DIR/reference_prop.rs:+48:13: +48:18
+          let _40: &mut usize;             // in scope 19 at $DIR/reference_prop.rs:+49:13: +49:15
           scope 20 {
-              debug b1 => _32;             // in scope 20 at $DIR/reference_prop.rs:+45:13: +45:15
-              let _33: usize;              // in scope 20 at $DIR/reference_prop.rs:+46:13: +46:14
+              debug b1 => _40;             // in scope 20 at $DIR/reference_prop.rs:+49:13: +49:15
+              let _41: usize;              // in scope 20 at $DIR/reference_prop.rs:+50:13: +50:14
               scope 21 {
-                  debug c => _33;          // in scope 21 at $DIR/reference_prop.rs:+46:13: +46:14
-                  let _34: &mut usize;     // in scope 21 at $DIR/reference_prop.rs:+47:13: +47:15
+                  debug c => _41;          // in scope 21 at $DIR/reference_prop.rs:+50:13: +50:14
+                  let _42: &mut usize;     // in scope 21 at $DIR/reference_prop.rs:+51:13: +51:15
                   scope 22 {
-                      debug b2 => _34;     // in scope 22 at $DIR/reference_prop.rs:+47:13: +47:15
-                      let _35: usize;      // in scope 22 at $DIR/reference_prop.rs:+48:13: +48:15
+                      debug b2 => _42;     // in scope 22 at $DIR/reference_prop.rs:+51:13: +51:15
+                      let _43: usize;      // in scope 22 at $DIR/reference_prop.rs:+52:13: +52:15
                       scope 23 {
-                          debug c2 => _35; // in scope 23 at $DIR/reference_prop.rs:+48:13: +48:15
-                          let _36: &mut usize; // in scope 23 at $DIR/reference_prop.rs:+49:13: +49:15
+                          debug c2 => _43; // in scope 23 at $DIR/reference_prop.rs:+52:13: +52:15
+                          let _44: &mut usize; // in scope 23 at $DIR/reference_prop.rs:+53:13: +53:15
                           scope 24 {
-                              debug b3 => _36; // in scope 24 at $DIR/reference_prop.rs:+49:13: +49:15
+                              debug b3 => _44; // in scope 24 at $DIR/reference_prop.rs:+53:13: +53:15
                           }
                       }
                   }
@@ -119,170 +131,242 @@
           }
       }
       scope 25 {
-          debug a => _40;                  // in scope 25 at $DIR/reference_prop.rs:+57:13: +57:14
-          let _41: T;                      // in scope 25 at $DIR/reference_prop.rs:+58:13: +58:14
+          debug a => _48;                  // in scope 25 at $DIR/reference_prop.rs:+61:13: +61:14
+          let _49: T;                      // in scope 25 at $DIR/reference_prop.rs:+62:13: +62:14
           scope 26 {
-              debug b => _41;              // in scope 26 at $DIR/reference_prop.rs:+58:13: +58:14
+              debug b => _49;              // in scope 26 at $DIR/reference_prop.rs:+62:13: +62:14
           }
       }
       scope 27 {
-          debug a => _42;                  // in scope 27 at $DIR/reference_prop.rs:+63:13: +63:14
-          let _45: T;                      // in scope 27 at $DIR/reference_prop.rs:+65:13: +65:14
+          debug a => _52;                  // in scope 27 at $DIR/reference_prop.rs:+68:13: +68:14
+          let _55: T;                      // in scope 27 at $DIR/reference_prop.rs:+70:13: +70:14
           scope 28 {
-              debug b => _45;              // in scope 28 at $DIR/reference_prop.rs:+65:13: +65:14
+              debug b => _55;              // in scope 28 at $DIR/reference_prop.rs:+70:13: +70:14
           }
       }
   
       bb0: {
--         StorageLive(_3);                 // scope 0 at $DIR/reference_prop.rs:+2:5: +6:6
+-         StorageLive(_3);                 // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
           StorageLive(_4);                 // scope 0 at $DIR/reference_prop.rs:+3:13: +3:18
           _4 = const 5_usize;              // scope 0 at $DIR/reference_prop.rs:+3:21: +3:28
           StorageLive(_5);                 // scope 1 at $DIR/reference_prop.rs:+4:13: +4:14
           _5 = &mut _4;                    // scope 1 at $DIR/reference_prop.rs:+4:17: +4:23
           StorageLive(_6);                 // scope 2 at $DIR/reference_prop.rs:+5:13: +5:14
 -         _6 = (*_5);                      // scope 2 at $DIR/reference_prop.rs:+5:17: +5:19
--         _3 = const ();                   // scope 0 at $DIR/reference_prop.rs:+2:5: +6:6
 +         _6 = _4;                         // scope 2 at $DIR/reference_prop.rs:+5:17: +5:19
-          StorageDead(_6);                 // scope 2 at $DIR/reference_prop.rs:+6:5: +6:6
-          StorageDead(_5);                 // scope 1 at $DIR/reference_prop.rs:+6:5: +6:6
-          StorageDead(_4);                 // scope 0 at $DIR/reference_prop.rs:+6:5: +6:6
--         StorageDead(_3);                 // scope 0 at $DIR/reference_prop.rs:+6:5: +6:6
--         StorageLive(_7);                 // scope 0 at $DIR/reference_prop.rs:+9:5: +16:6
-          StorageLive(_8);                 // scope 0 at $DIR/reference_prop.rs:+10:13: +10:18
-          _8 = const 5_usize;              // scope 0 at $DIR/reference_prop.rs:+10:21: +10:28
-          StorageLive(_9);                 // scope 4 at $DIR/reference_prop.rs:+11:13: +11:19
-          _9 = const 7_usize;              // scope 4 at $DIR/reference_prop.rs:+11:22: +11:29
-          StorageLive(_10);                // scope 5 at $DIR/reference_prop.rs:+12:13: +12:18
-          _10 = &mut _8;                   // scope 5 at $DIR/reference_prop.rs:+12:21: +12:27
-          StorageLive(_11);                // scope 6 at $DIR/reference_prop.rs:+13:13: +13:20
--         StorageLive(_12);                // scope 6 at $DIR/reference_prop.rs:+13:13: +13:20
--         _12 = &mut _9;                   // scope 6 at $DIR/reference_prop.rs:+13:13: +13:20
--         _11 = &mut (*_12);               // scope 6 at $DIR/reference_prop.rs:+13:13: +13:20
-+         _11 = &mut _9;                   // scope 6 at $DIR/reference_prop.rs:+13:13: +13:20
-          _10 = move _11;                  // scope 6 at $DIR/reference_prop.rs:+13:9: +13:20
-          StorageDead(_11);                // scope 6 at $DIR/reference_prop.rs:+13:19: +13:20
--         StorageDead(_12);                // scope 6 at $DIR/reference_prop.rs:+13:20: +13:21
-          StorageLive(_13);                // scope 6 at $DIR/reference_prop.rs:+15:13: +15:14
-          _13 = (*_10);                    // scope 6 at $DIR/reference_prop.rs:+15:17: +15:19
--         _7 = const ();                   // scope 0 at $DIR/reference_prop.rs:+9:5: +16:6
-          StorageDead(_13);                // scope 6 at $DIR/reference_prop.rs:+16:5: +16:6
-          StorageDead(_10);                // scope 5 at $DIR/reference_prop.rs:+16:5: +16:6
-          StorageDead(_9);                 // scope 4 at $DIR/reference_prop.rs:+16:5: +16:6
-          StorageDead(_8);                 // scope 0 at $DIR/reference_prop.rs:+16:5: +16:6
--         StorageDead(_7);                 // scope 0 at $DIR/reference_prop.rs:+16:5: +16:6
--         StorageLive(_14);                // scope 0 at $DIR/reference_prop.rs:+19:5: +24:6
-          StorageLive(_15);                // scope 0 at $DIR/reference_prop.rs:+20:13: +20:18
-          _15 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+20:21: +20:28
-          StorageLive(_16);                // scope 8 at $DIR/reference_prop.rs:+21:13: +21:14
-          _16 = &mut _15;                  // scope 8 at $DIR/reference_prop.rs:+21:17: +21:23
-          StorageLive(_17);                // scope 9 at $DIR/reference_prop.rs:+22:13: +22:14
-          _17 = &_16;                      // scope 9 at $DIR/reference_prop.rs:+22:17: +22:19
-          StorageLive(_18);                // scope 10 at $DIR/reference_prop.rs:+23:13: +23:14
-          _18 = (*_16);                    // scope 10 at $DIR/reference_prop.rs:+23:17: +23:19
--         _14 = const ();                  // scope 0 at $DIR/reference_prop.rs:+19:5: +24:6
-          StorageDead(_18);                // scope 10 at $DIR/reference_prop.rs:+24:5: +24:6
-          StorageDead(_17);                // scope 9 at $DIR/reference_prop.rs:+24:5: +24:6
-          StorageDead(_16);                // scope 8 at $DIR/reference_prop.rs:+24:5: +24:6
-          StorageDead(_15);                // scope 0 at $DIR/reference_prop.rs:+24:5: +24:6
--         StorageDead(_14);                // scope 0 at $DIR/reference_prop.rs:+24:5: +24:6
--         StorageLive(_19);                // scope 0 at $DIR/reference_prop.rs:+27:5: +32:6
-          StorageLive(_20);                // scope 0 at $DIR/reference_prop.rs:+28:13: +28:18
-          _20 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+28:21: +28:28
-          StorageLive(_21);                // scope 12 at $DIR/reference_prop.rs:+29:13: +29:18
-          _21 = &mut _20;                  // scope 12 at $DIR/reference_prop.rs:+29:21: +29:27
-          StorageLive(_22);                // scope 13 at $DIR/reference_prop.rs:+30:13: +30:14
-          _22 = &mut _21;                  // scope 13 at $DIR/reference_prop.rs:+30:17: +30:23
-          StorageLive(_23);                // scope 14 at $DIR/reference_prop.rs:+31:13: +31:14
-          _23 = (*_21);                    // scope 14 at $DIR/reference_prop.rs:+31:17: +31:19
--         _19 = const ();                  // scope 0 at $DIR/reference_prop.rs:+27:5: +32:6
-          StorageDead(_23);                // scope 14 at $DIR/reference_prop.rs:+32:5: +32:6
-          StorageDead(_22);                // scope 13 at $DIR/reference_prop.rs:+32:5: +32:6
-          StorageDead(_21);                // scope 12 at $DIR/reference_prop.rs:+32:5: +32:6
-          StorageDead(_20);                // scope 0 at $DIR/reference_prop.rs:+32:5: +32:6
--         StorageDead(_19);                // scope 0 at $DIR/reference_prop.rs:+32:5: +32:6
--         StorageLive(_24);                // scope 0 at $DIR/reference_prop.rs:+35:5: +40:6
-          StorageLive(_25);                // scope 0 at $DIR/reference_prop.rs:+36:13: +36:18
-          _25 = const 7_usize;             // scope 0 at $DIR/reference_prop.rs:+36:21: +36:28
-          StorageLive(_26);                // scope 16 at $DIR/reference_prop.rs:+37:13: +37:14
-          _26 = &mut _25;                  // scope 16 at $DIR/reference_prop.rs:+37:17: +37:23
-          StorageLive(_27);                // scope 17 at $DIR/reference_prop.rs:+38:13: +38:14
-          _27 = (*_26);                    // scope 17 at $DIR/reference_prop.rs:+38:17: +38:19
-          StorageLive(_28);                // scope 18 at $DIR/reference_prop.rs:+39:9: +39:18
-          StorageLive(_29);                // scope 18 at $DIR/reference_prop.rs:+39:16: +39:17
-          _29 = move _26;                  // scope 18 at $DIR/reference_prop.rs:+39:16: +39:17
-          _28 = opaque::<&mut usize>(move _29) -> bb1; // scope 18 at $DIR/reference_prop.rs:+39:9: +39:18
+          StorageLive(_7);                 // scope 3 at $DIR/reference_prop.rs:+6:9: +6:19
+          StorageLive(_8);                 // scope 3 at $DIR/reference_prop.rs:+6:16: +6:18
+          _8 = ();                         // scope 3 at $DIR/reference_prop.rs:+6:16: +6:18
+          _7 = opaque::<()>(move _8) -> bb1; // scope 3 at $DIR/reference_prop.rs:+6:9: +6:19
                                            // mir::Constant
-                                           // + span: $DIR/reference_prop.rs:117:9: 117:15
-                                           // + literal: Const { ty: fn(&mut usize) {opaque::<&mut usize>}, val: Value(<ZST>) }
+                                           // + span: $DIR/reference_prop.rs:90:9: 90:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
       }
   
       bb1: {
-          StorageDead(_29);                // scope 18 at $DIR/reference_prop.rs:+39:17: +39:18
-          StorageDead(_28);                // scope 18 at $DIR/reference_prop.rs:+39:18: +39:19
--         _24 = const ();                  // scope 0 at $DIR/reference_prop.rs:+35:5: +40:6
-          StorageDead(_27);                // scope 17 at $DIR/reference_prop.rs:+40:5: +40:6
-          StorageDead(_26);                // scope 16 at $DIR/reference_prop.rs:+40:5: +40:6
-          StorageDead(_25);                // scope 0 at $DIR/reference_prop.rs:+40:5: +40:6
--         StorageDead(_24);                // scope 0 at $DIR/reference_prop.rs:+40:5: +40:6
--         StorageLive(_30);                // scope 0 at $DIR/reference_prop.rs:+43:5: +53:6
-          StorageLive(_31);                // scope 0 at $DIR/reference_prop.rs:+44:13: +44:18
-          _31 = const 7_usize;             // scope 0 at $DIR/reference_prop.rs:+44:21: +44:28
-          StorageLive(_32);                // scope 19 at $DIR/reference_prop.rs:+45:13: +45:15
-          _32 = &mut _31;                  // scope 19 at $DIR/reference_prop.rs:+45:18: +45:24
-          StorageLive(_33);                // scope 20 at $DIR/reference_prop.rs:+46:13: +46:14
-          _33 = (*_32);                    // scope 20 at $DIR/reference_prop.rs:+46:17: +46:20
-          StorageLive(_34);                // scope 21 at $DIR/reference_prop.rs:+47:13: +47:15
-          _34 = move _32;                  // scope 21 at $DIR/reference_prop.rs:+47:18: +47:20
-          StorageLive(_35);                // scope 22 at $DIR/reference_prop.rs:+48:13: +48:15
-          _35 = (*_34);                    // scope 22 at $DIR/reference_prop.rs:+48:18: +48:21
-          StorageLive(_36);                // scope 23 at $DIR/reference_prop.rs:+49:13: +49:15
-          _36 = move _34;                  // scope 23 at $DIR/reference_prop.rs:+49:18: +49:20
-          StorageLive(_37);                // scope 24 at $DIR/reference_prop.rs:+52:9: +52:19
-          StorageLive(_38);                // scope 24 at $DIR/reference_prop.rs:+52:16: +52:18
-          _38 = move _36;                  // scope 24 at $DIR/reference_prop.rs:+52:16: +52:18
-          _37 = opaque::<&mut usize>(move _38) -> bb2; // scope 24 at $DIR/reference_prop.rs:+52:9: +52:19
+          StorageDead(_8);                 // scope 3 at $DIR/reference_prop.rs:+6:18: +6:19
+          StorageDead(_7);                 // scope 3 at $DIR/reference_prop.rs:+6:19: +6:20
+-         _3 = const ();                   // scope 0 at $DIR/reference_prop.rs:+2:5: +7:6
+          StorageDead(_6);                 // scope 2 at $DIR/reference_prop.rs:+7:5: +7:6
+          StorageDead(_5);                 // scope 1 at $DIR/reference_prop.rs:+7:5: +7:6
+          StorageDead(_4);                 // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageDead(_3);                 // scope 0 at $DIR/reference_prop.rs:+7:5: +7:6
+-         StorageLive(_9);                 // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+          StorageLive(_10);                // scope 0 at $DIR/reference_prop.rs:+11:13: +11:18
+          _10 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+11:21: +11:28
+          StorageLive(_11);                // scope 4 at $DIR/reference_prop.rs:+12:13: +12:19
+          _11 = const 7_usize;             // scope 4 at $DIR/reference_prop.rs:+12:22: +12:29
+          StorageLive(_12);                // scope 5 at $DIR/reference_prop.rs:+13:13: +13:18
+          _12 = &mut _10;                  // scope 5 at $DIR/reference_prop.rs:+13:21: +13:27
+          StorageLive(_13);                // scope 6 at $DIR/reference_prop.rs:+14:13: +14:20
+-         StorageLive(_14);                // scope 6 at $DIR/reference_prop.rs:+14:13: +14:20
+-         _14 = &mut _11;                  // scope 6 at $DIR/reference_prop.rs:+14:13: +14:20
+-         _13 = &mut (*_14);               // scope 6 at $DIR/reference_prop.rs:+14:13: +14:20
++         _13 = &mut _11;                  // scope 6 at $DIR/reference_prop.rs:+14:13: +14:20
+          _12 = move _13;                  // scope 6 at $DIR/reference_prop.rs:+14:9: +14:20
+          StorageDead(_13);                // scope 6 at $DIR/reference_prop.rs:+14:19: +14:20
+-         StorageDead(_14);                // scope 6 at $DIR/reference_prop.rs:+14:20: +14:21
+          StorageLive(_15);                // scope 6 at $DIR/reference_prop.rs:+16:13: +16:14
+          _15 = (*_12);                    // scope 6 at $DIR/reference_prop.rs:+16:17: +16:19
+          StorageLive(_16);                // scope 7 at $DIR/reference_prop.rs:+17:9: +17:19
+          StorageLive(_17);                // scope 7 at $DIR/reference_prop.rs:+17:16: +17:18
+          _17 = ();                        // scope 7 at $DIR/reference_prop.rs:+17:16: +17:18
+          _16 = opaque::<()>(move _17) -> bb2; // scope 7 at $DIR/reference_prop.rs:+17:9: +17:19
                                            // mir::Constant
-                                           // + span: $DIR/reference_prop.rs:130:9: 130:15
-                                           // + literal: Const { ty: fn(&mut usize) {opaque::<&mut usize>}, val: Value(<ZST>) }
+                                           // + span: $DIR/reference_prop.rs:101:9: 101:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
       }
   
       bb2: {
-          StorageDead(_38);                // scope 24 at $DIR/reference_prop.rs:+52:18: +52:19
-          StorageDead(_37);                // scope 24 at $DIR/reference_prop.rs:+52:19: +52:20
--         _30 = const ();                  // scope 0 at $DIR/reference_prop.rs:+43:5: +53:6
-          StorageDead(_36);                // scope 23 at $DIR/reference_prop.rs:+53:5: +53:6
-          StorageDead(_35);                // scope 22 at $DIR/reference_prop.rs:+53:5: +53:6
-          StorageDead(_34);                // scope 21 at $DIR/reference_prop.rs:+53:5: +53:6
-          StorageDead(_33);                // scope 20 at $DIR/reference_prop.rs:+53:5: +53:6
-          StorageDead(_32);                // scope 19 at $DIR/reference_prop.rs:+53:5: +53:6
-          StorageDead(_31);                // scope 0 at $DIR/reference_prop.rs:+53:5: +53:6
--         StorageDead(_30);                // scope 0 at $DIR/reference_prop.rs:+53:5: +53:6
--         StorageLive(_39);                // scope 0 at $DIR/reference_prop.rs:+56:5: +59:6
-          StorageLive(_40);                // scope 0 at $DIR/reference_prop.rs:+57:13: +57:14
-          _40 = &mut (*_1);                // scope 0 at $DIR/reference_prop.rs:+57:17: +57:29
-          StorageLive(_41);                // scope 25 at $DIR/reference_prop.rs:+58:13: +58:14
--         _41 = (*_40);                    // scope 25 at $DIR/reference_prop.rs:+58:17: +58:19
--         _39 = const ();                  // scope 0 at $DIR/reference_prop.rs:+56:5: +59:6
-+         _41 = (*_1);                     // scope 25 at $DIR/reference_prop.rs:+58:17: +58:19
-          StorageDead(_41);                // scope 25 at $DIR/reference_prop.rs:+59:5: +59:6
-          StorageDead(_40);                // scope 0 at $DIR/reference_prop.rs:+59:5: +59:6
--         StorageDead(_39);                // scope 0 at $DIR/reference_prop.rs:+59:5: +59:6
-          StorageLive(_42);                // scope 0 at $DIR/reference_prop.rs:+63:13: +63:14
-          _42 = &mut (*_2);                // scope 0 at $DIR/reference_prop.rs:+63:17: +63:31
-          StorageLive(_43);                // scope 27 at $DIR/reference_prop.rs:+64:20: +64:32
--         StorageLive(_44);                // scope 27 at $DIR/reference_prop.rs:+64:20: +64:32
--         _44 = &mut (*_1);                // scope 27 at $DIR/reference_prop.rs:+64:20: +64:32
--         _43 = &mut (*_44);               // scope 27 at $DIR/reference_prop.rs:+64:20: +64:32
-+         _43 = &mut (*_1);                // scope 27 at $DIR/reference_prop.rs:+64:20: +64:32
-          _2 = move _43;                   // scope 27 at $DIR/reference_prop.rs:+64:9: +64:32
-          StorageDead(_43);                // scope 27 at $DIR/reference_prop.rs:+64:31: +64:32
--         StorageDead(_44);                // scope 27 at $DIR/reference_prop.rs:+64:32: +64:33
-          StorageLive(_45);                // scope 27 at $DIR/reference_prop.rs:+65:13: +65:14
-          _45 = (*_42);                    // scope 27 at $DIR/reference_prop.rs:+65:17: +65:19
-          _0 = const ();                   // scope 0 at $DIR/reference_prop.rs:+62:5: +66:6
-          StorageDead(_45);                // scope 27 at $DIR/reference_prop.rs:+66:5: +66:6
-          StorageDead(_42);                // scope 0 at $DIR/reference_prop.rs:+66:5: +66:6
-          return;                          // scope 0 at $DIR/reference_prop.rs:+67:2: +67:2
+          StorageDead(_17);                // scope 7 at $DIR/reference_prop.rs:+17:18: +17:19
+          StorageDead(_16);                // scope 7 at $DIR/reference_prop.rs:+17:19: +17:20
+-         _9 = const ();                   // scope 0 at $DIR/reference_prop.rs:+10:5: +18:6
+          StorageDead(_15);                // scope 6 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_12);                // scope 5 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_11);                // scope 4 at $DIR/reference_prop.rs:+18:5: +18:6
+          StorageDead(_10);                // scope 0 at $DIR/reference_prop.rs:+18:5: +18:6
+-         StorageDead(_9);                 // scope 0 at $DIR/reference_prop.rs:+18:5: +18:6
+-         StorageLive(_18);                // scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+          StorageLive(_19);                // scope 0 at $DIR/reference_prop.rs:+22:13: +22:18
+          _19 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+22:21: +22:28
+          StorageLive(_20);                // scope 8 at $DIR/reference_prop.rs:+23:13: +23:14
+          _20 = &mut _19;                  // scope 8 at $DIR/reference_prop.rs:+23:17: +23:23
+          StorageLive(_21);                // scope 9 at $DIR/reference_prop.rs:+24:13: +24:14
+          _21 = &_20;                      // scope 9 at $DIR/reference_prop.rs:+24:17: +24:19
+          StorageLive(_22);                // scope 10 at $DIR/reference_prop.rs:+25:13: +25:14
+          _22 = (*_20);                    // scope 10 at $DIR/reference_prop.rs:+25:17: +25:19
+          StorageLive(_23);                // scope 11 at $DIR/reference_prop.rs:+26:9: +26:19
+          StorageLive(_24);                // scope 11 at $DIR/reference_prop.rs:+26:16: +26:18
+          _24 = ();                        // scope 11 at $DIR/reference_prop.rs:+26:16: +26:18
+          _23 = opaque::<()>(move _24) -> bb3; // scope 11 at $DIR/reference_prop.rs:+26:9: +26:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:110:9: 110:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb3: {
+          StorageDead(_24);                // scope 11 at $DIR/reference_prop.rs:+26:18: +26:19
+          StorageDead(_23);                // scope 11 at $DIR/reference_prop.rs:+26:19: +26:20
+-         _18 = const ();                  // scope 0 at $DIR/reference_prop.rs:+21:5: +27:6
+          StorageDead(_22);                // scope 10 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_21);                // scope 9 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_20);                // scope 8 at $DIR/reference_prop.rs:+27:5: +27:6
+          StorageDead(_19);                // scope 0 at $DIR/reference_prop.rs:+27:5: +27:6
+-         StorageDead(_18);                // scope 0 at $DIR/reference_prop.rs:+27:5: +27:6
+-         StorageLive(_25);                // scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+          StorageLive(_26);                // scope 0 at $DIR/reference_prop.rs:+31:13: +31:18
+          _26 = const 5_usize;             // scope 0 at $DIR/reference_prop.rs:+31:21: +31:28
+          StorageLive(_27);                // scope 12 at $DIR/reference_prop.rs:+32:13: +32:18
+          _27 = &mut _26;                  // scope 12 at $DIR/reference_prop.rs:+32:21: +32:27
+          StorageLive(_28);                // scope 13 at $DIR/reference_prop.rs:+33:13: +33:14
+          _28 = &mut _27;                  // scope 13 at $DIR/reference_prop.rs:+33:17: +33:23
+          StorageLive(_29);                // scope 14 at $DIR/reference_prop.rs:+34:13: +34:14
+          _29 = (*_27);                    // scope 14 at $DIR/reference_prop.rs:+34:17: +34:19
+          StorageLive(_30);                // scope 15 at $DIR/reference_prop.rs:+35:9: +35:19
+          StorageLive(_31);                // scope 15 at $DIR/reference_prop.rs:+35:16: +35:18
+          _31 = ();                        // scope 15 at $DIR/reference_prop.rs:+35:16: +35:18
+          _30 = opaque::<()>(move _31) -> bb4; // scope 15 at $DIR/reference_prop.rs:+35:9: +35:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:119:9: 119:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb4: {
+          StorageDead(_31);                // scope 15 at $DIR/reference_prop.rs:+35:18: +35:19
+          StorageDead(_30);                // scope 15 at $DIR/reference_prop.rs:+35:19: +35:20
+-         _25 = const ();                  // scope 0 at $DIR/reference_prop.rs:+30:5: +36:6
+          StorageDead(_29);                // scope 14 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_28);                // scope 13 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_27);                // scope 12 at $DIR/reference_prop.rs:+36:5: +36:6
+          StorageDead(_26);                // scope 0 at $DIR/reference_prop.rs:+36:5: +36:6
+-         StorageDead(_25);                // scope 0 at $DIR/reference_prop.rs:+36:5: +36:6
+-         StorageLive(_32);                // scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+          StorageLive(_33);                // scope 0 at $DIR/reference_prop.rs:+40:13: +40:18
+          _33 = const 7_usize;             // scope 0 at $DIR/reference_prop.rs:+40:21: +40:28
+          StorageLive(_34);                // scope 16 at $DIR/reference_prop.rs:+41:13: +41:14
+          _34 = &mut _33;                  // scope 16 at $DIR/reference_prop.rs:+41:17: +41:23
+          StorageLive(_35);                // scope 17 at $DIR/reference_prop.rs:+42:13: +42:14
+          _35 = (*_34);                    // scope 17 at $DIR/reference_prop.rs:+42:17: +42:19
+          StorageLive(_36);                // scope 18 at $DIR/reference_prop.rs:+43:9: +43:18
+          StorageLive(_37);                // scope 18 at $DIR/reference_prop.rs:+43:16: +43:17
+          _37 = move _34;                  // scope 18 at $DIR/reference_prop.rs:+43:16: +43:17
+          _36 = opaque::<&mut usize>(move _37) -> bb5; // scope 18 at $DIR/reference_prop.rs:+43:9: +43:18
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:127:9: 127:15
+                                           // + literal: Const { ty: fn(&mut usize) {opaque::<&mut usize>}, val: Value(<ZST>) }
+      }
+  
+      bb5: {
+          StorageDead(_37);                // scope 18 at $DIR/reference_prop.rs:+43:17: +43:18
+          StorageDead(_36);                // scope 18 at $DIR/reference_prop.rs:+43:18: +43:19
+-         _32 = const ();                  // scope 0 at $DIR/reference_prop.rs:+39:5: +44:6
+          StorageDead(_35);                // scope 17 at $DIR/reference_prop.rs:+44:5: +44:6
+          StorageDead(_34);                // scope 16 at $DIR/reference_prop.rs:+44:5: +44:6
+          StorageDead(_33);                // scope 0 at $DIR/reference_prop.rs:+44:5: +44:6
+-         StorageDead(_32);                // scope 0 at $DIR/reference_prop.rs:+44:5: +44:6
+-         StorageLive(_38);                // scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+          StorageLive(_39);                // scope 0 at $DIR/reference_prop.rs:+48:13: +48:18
+          _39 = const 7_usize;             // scope 0 at $DIR/reference_prop.rs:+48:21: +48:28
+          StorageLive(_40);                // scope 19 at $DIR/reference_prop.rs:+49:13: +49:15
+          _40 = &mut _39;                  // scope 19 at $DIR/reference_prop.rs:+49:18: +49:24
+          StorageLive(_41);                // scope 20 at $DIR/reference_prop.rs:+50:13: +50:14
+          _41 = (*_40);                    // scope 20 at $DIR/reference_prop.rs:+50:17: +50:20
+          StorageLive(_42);                // scope 21 at $DIR/reference_prop.rs:+51:13: +51:15
+          _42 = move _40;                  // scope 21 at $DIR/reference_prop.rs:+51:18: +51:20
+          StorageLive(_43);                // scope 22 at $DIR/reference_prop.rs:+52:13: +52:15
+          _43 = (*_42);                    // scope 22 at $DIR/reference_prop.rs:+52:18: +52:21
+          StorageLive(_44);                // scope 23 at $DIR/reference_prop.rs:+53:13: +53:15
+          _44 = move _42;                  // scope 23 at $DIR/reference_prop.rs:+53:18: +53:20
+          StorageLive(_45);                // scope 24 at $DIR/reference_prop.rs:+56:9: +56:19
+          StorageLive(_46);                // scope 24 at $DIR/reference_prop.rs:+56:16: +56:18
+          _46 = move _44;                  // scope 24 at $DIR/reference_prop.rs:+56:16: +56:18
+          _45 = opaque::<&mut usize>(move _46) -> bb6; // scope 24 at $DIR/reference_prop.rs:+56:9: +56:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:140:9: 140:15
+                                           // + literal: Const { ty: fn(&mut usize) {opaque::<&mut usize>}, val: Value(<ZST>) }
+      }
+  
+      bb6: {
+          StorageDead(_46);                // scope 24 at $DIR/reference_prop.rs:+56:18: +56:19
+          StorageDead(_45);                // scope 24 at $DIR/reference_prop.rs:+56:19: +56:20
+-         _38 = const ();                  // scope 0 at $DIR/reference_prop.rs:+47:5: +57:6
+          StorageDead(_44);                // scope 23 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_43);                // scope 22 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_42);                // scope 21 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_41);                // scope 20 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_40);                // scope 19 at $DIR/reference_prop.rs:+57:5: +57:6
+          StorageDead(_39);                // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
+-         StorageDead(_38);                // scope 0 at $DIR/reference_prop.rs:+57:5: +57:6
+-         StorageLive(_47);                // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+          StorageLive(_48);                // scope 0 at $DIR/reference_prop.rs:+61:13: +61:14
+          _48 = &mut (*_1);                // scope 0 at $DIR/reference_prop.rs:+61:17: +61:29
+          StorageLive(_49);                // scope 25 at $DIR/reference_prop.rs:+62:13: +62:14
+-         _49 = (*_48);                    // scope 25 at $DIR/reference_prop.rs:+62:17: +62:19
++         _49 = (*_1);                     // scope 25 at $DIR/reference_prop.rs:+62:17: +62:19
+          StorageLive(_50);                // scope 26 at $DIR/reference_prop.rs:+63:9: +63:19
+          StorageLive(_51);                // scope 26 at $DIR/reference_prop.rs:+63:16: +63:18
+          _51 = ();                        // scope 26 at $DIR/reference_prop.rs:+63:16: +63:18
+          _50 = opaque::<()>(move _51) -> bb7; // scope 26 at $DIR/reference_prop.rs:+63:9: +63:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:147:9: 147:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb7: {
+          StorageDead(_51);                // scope 26 at $DIR/reference_prop.rs:+63:18: +63:19
+          StorageDead(_50);                // scope 26 at $DIR/reference_prop.rs:+63:19: +63:20
+-         _47 = const ();                  // scope 0 at $DIR/reference_prop.rs:+60:5: +64:6
+          StorageDead(_49);                // scope 25 at $DIR/reference_prop.rs:+64:5: +64:6
+          StorageDead(_48);                // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
+-         StorageDead(_47);                // scope 0 at $DIR/reference_prop.rs:+64:5: +64:6
+          StorageLive(_52);                // scope 0 at $DIR/reference_prop.rs:+68:13: +68:14
+          _52 = &mut (*_2);                // scope 0 at $DIR/reference_prop.rs:+68:17: +68:31
+          StorageLive(_53);                // scope 27 at $DIR/reference_prop.rs:+69:20: +69:32
+-         StorageLive(_54);                // scope 27 at $DIR/reference_prop.rs:+69:20: +69:32
+-         _54 = &mut (*_1);                // scope 27 at $DIR/reference_prop.rs:+69:20: +69:32
+-         _53 = &mut (*_54);               // scope 27 at $DIR/reference_prop.rs:+69:20: +69:32
++         _53 = &mut (*_1);                // scope 27 at $DIR/reference_prop.rs:+69:20: +69:32
+          _2 = move _53;                   // scope 27 at $DIR/reference_prop.rs:+69:9: +69:32
+          StorageDead(_53);                // scope 27 at $DIR/reference_prop.rs:+69:31: +69:32
+-         StorageDead(_54);                // scope 27 at $DIR/reference_prop.rs:+69:32: +69:33
+          StorageLive(_55);                // scope 27 at $DIR/reference_prop.rs:+70:13: +70:14
+          _55 = (*_52);                    // scope 27 at $DIR/reference_prop.rs:+70:17: +70:19
+          StorageLive(_56);                // scope 28 at $DIR/reference_prop.rs:+71:9: +71:19
+          StorageLive(_57);                // scope 28 at $DIR/reference_prop.rs:+71:16: +71:18
+          _57 = ();                        // scope 28 at $DIR/reference_prop.rs:+71:16: +71:18
+          _56 = opaque::<()>(move _57) -> bb8; // scope 28 at $DIR/reference_prop.rs:+71:9: +71:19
+                                           // mir::Constant
+                                           // + span: $DIR/reference_prop.rs:155:9: 155:15
+                                           // + literal: Const { ty: fn(()) {opaque::<()>}, val: Value(<ZST>) }
+      }
+  
+      bb8: {
+          StorageDead(_57);                // scope 28 at $DIR/reference_prop.rs:+71:18: +71:19
+          StorageDead(_56);                // scope 28 at $DIR/reference_prop.rs:+71:19: +71:20
+          _0 = const ();                   // scope 0 at $DIR/reference_prop.rs:+67:5: +72:6
+          StorageDead(_55);                // scope 27 at $DIR/reference_prop.rs:+72:5: +72:6
+          StorageDead(_52);                // scope 0 at $DIR/reference_prop.rs:+72:5: +72:6
+          return;                          // scope 0 at $DIR/reference_prop.rs:+73:2: +73:2
       }
   }