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-rw-r--r--src/test/mir-opt/issue-73223/32bit/rustc.main.PreCodegen.diff252
1 files changed, 252 insertions, 0 deletions
diff --git a/src/test/mir-opt/issue-73223/32bit/rustc.main.PreCodegen.diff b/src/test/mir-opt/issue-73223/32bit/rustc.main.PreCodegen.diff
new file mode 100644
index 00000000000..59c00e1b96f
--- /dev/null
+++ b/src/test/mir-opt/issue-73223/32bit/rustc.main.PreCodegen.diff
@@ -0,0 +1,252 @@
+- // MIR for `main` before PreCodegen
++ // MIR for `main` after PreCodegen
+  
+  fn main() -> () {
+      let mut _0: ();                      // return place in scope 0 at $DIR/issue-73223.rs:1:11: 1:11
+      let mut _1: std::option::Option<i32>; // in scope 0 at $DIR/issue-73223.rs:2:23: 2:30
+      let _2: i32;                         // in scope 0 at $DIR/issue-73223.rs:3:14: 3:15
+      let mut _4: i32;                     // in scope 0 at $DIR/issue-73223.rs:7:22: 7:27
+      let mut _5: (&i32, &i32);            // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let mut _6: &i32;                    // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let mut _9: bool;                    // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let mut _10: bool;                   // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let mut _11: i32;                    // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let mut _12: i32;                    // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let _13: &std::fmt::Arguments;       // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
+      let _14: std::fmt::Arguments;        // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
+      let mut _15: &[&str];                // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let mut _16: &[std::fmt::ArgumentV1]; // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
+      let _17: &[std::fmt::ArgumentV1; 2]; // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
+      let _18: [std::fmt::ArgumentV1; 2];  // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
+      let mut _19: (&&i32, &&i32);         // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
+      let mut _20: &&i32;                  // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let _21: &i32;                       // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let mut _22: &&i32;                  // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let _23: &i32;                       // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let mut _26: std::fmt::ArgumentV1;   // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
+      let mut _27: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      let mut _28: std::fmt::ArgumentV1;   // in scope 0 at $SRC_DIR/libstd/macros.rs:LL:COL
+      let mut _29: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 0 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      scope 1 {
+          debug split => _2;               // in scope 1 at $DIR/issue-73223.rs:2:9: 2:14
+          let _3: std::option::Option<i32>; // in scope 1 at $DIR/issue-73223.rs:7:9: 7:14
+          scope 3 {
+              debug _prev => _3;           // in scope 3 at $DIR/issue-73223.rs:7:9: 7:14
+              let _7: &i32;                // in scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+              let _8: &i32;                // in scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+              scope 4 {
+                  debug left_val => _7;    // in scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                  debug right_val => _8;   // in scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                  let _24: &&i32;          // in scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                  let _25: &&i32;          // in scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                  scope 5 {
+                      debug arg0 => _24;   // in scope 5 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                      debug arg1 => _25;   // in scope 5 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                      scope 6 {
+                          debug x => _24;  // in scope 6 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                          debug f => _27;  // in scope 6 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                          let mut _30: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 6 at $SRC_DIR/libstd/macros.rs:LL:COL
+                          let mut _31: &core::fmt::Opaque; // in scope 6 at $SRC_DIR/libstd/macros.rs:LL:COL
+                      }
+                      scope 8 {
+                          debug x => _25;  // in scope 8 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                          debug f => _29;  // in scope 8 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                          let mut _32: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>; // in scope 8 at $SRC_DIR/libstd/macros.rs:LL:COL
+                          let mut _33: &core::fmt::Opaque; // in scope 8 at $SRC_DIR/libstd/macros.rs:LL:COL
+                      }
+                  }
+                  scope 10 {
+                      debug pieces => _15; // in scope 10 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                      debug args => _16;   // in scope 10 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                      let mut _34: std::option::Option<&[std::fmt::rt::v1::Argument]>; // in scope 10 at $SRC_DIR/libstd/macros.rs:LL:COL
+                  }
+              }
+          }
+      }
+      scope 2 {
+          debug v => _2;                   // in scope 2 at $DIR/issue-73223.rs:3:14: 3:15
+      }
+      scope 7 {
+      }
+      scope 9 {
+      }
+  
+      bb0: {
+          StorageLive(_1);                 // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
+          ((_1 as Some).0: i32) = const 1_i32; // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
+                                           // ty::Const
+                                           // + ty: i32
+                                           // + val: Value(Scalar(0x00000001))
+                                           // mir::Constant
+                                           // + span: $DIR/issue-73223.rs:2:28: 2:29
+                                           // + literal: Const { ty: i32, val: Value(Scalar(0x00000001)) }
+          discriminant(_1) = 1;            // scope 0 at $DIR/issue-73223.rs:2:23: 2:30
+          _2 = ((_1 as Some).0: i32);      // scope 0 at $DIR/issue-73223.rs:3:14: 3:15
+          StorageDead(_1);                 // scope 0 at $DIR/issue-73223.rs:5:6: 5:7
+          StorageLive(_3);                 // scope 1 at $DIR/issue-73223.rs:7:9: 7:14
+          StorageLive(_4);                 // scope 1 at $DIR/issue-73223.rs:7:22: 7:27
+          _4 = _2;                         // scope 1 at $DIR/issue-73223.rs:7:22: 7:27
+          ((_3 as Some).0: i32) = move _4; // scope 1 at $DIR/issue-73223.rs:7:17: 7:28
+          discriminant(_3) = 1;            // scope 1 at $DIR/issue-73223.rs:7:17: 7:28
+          StorageDead(_4);                 // scope 1 at $DIR/issue-73223.rs:7:27: 7:28
+          StorageLive(_5);                 // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_6);                 // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _6 = &_2;                        // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          (_5.0: &i32) = move _6;          // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          (_5.1: &i32) = const main::promoted[1]; // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                                           // ty::Const
+                                           // + ty: &i32
+                                           // + val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[1]))
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                                           // + literal: Const { ty: &i32, val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[1])) }
+          StorageDead(_6);                 // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_7);                 // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _7 = (_5.0: &i32);               // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_8);                 // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _8 = (_5.1: &i32);               // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_9);                 // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_10);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_11);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _11 = (*_7);                     // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_12);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _12 = (*_8);                     // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _10 = Eq(move _11, move _12);    // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageDead(_12);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageDead(_11);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _9 = Not(move _10);              // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageDead(_10);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          switchInt(_9) -> [false: bb1, otherwise: bb2]; // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+      }
+  
+      bb1: {
+          StorageDead(_9);                 // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageDead(_8);                 // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageDead(_7);                 // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageDead(_5);                 // scope 3 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _0 = const ();                   // scope 0 at $DIR/issue-73223.rs:1:11: 9:2
+                                           // ty::Const
+                                           // + ty: ()
+                                           // + val: Value(Scalar(<ZST>))
+                                           // mir::Constant
+                                           // + span: $DIR/issue-73223.rs:1:11: 9:2
+                                           // + literal: Const { ty: (), val: Value(Scalar(<ZST>)) }
+          StorageDead(_3);                 // scope 1 at $DIR/issue-73223.rs:9:1: 9:2
+          return;                          // scope 0 at $DIR/issue-73223.rs:9:2: 9:2
+      }
+  
+      bb2: {
+          StorageLive(_14);                // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+          _15 = const main::promoted[0] as &[&str] (Pointer(Unsize)); // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                                           // ty::Const
+                                           // + ty: &[&str; 3]
+                                           // + val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[0]))
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                                           // + literal: Const { ty: &[&str; 3], val: Unevaluated(DefId(0:3 ~ issue_73223[317d]::main[0]), [], Some(promoted[0])) }
+          StorageLive(_18);                // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+          StorageLive(_19);                // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+          StorageLive(_20);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_21);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _21 = _7;                        // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _20 = &_21;                      // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_22);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_23);                // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _23 = _8;                        // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _22 = &_23;                      // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          (_19.0: &&i32) = move _20;       // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+          (_19.1: &&i32) = move _22;       // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+          StorageDead(_22);                // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+          StorageDead(_20);                // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+          _24 = (_19.0: &&i32);            // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          _25 = (_19.1: &&i32);            // scope 4 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+          StorageLive(_26);                // scope 5 at $SRC_DIR/libstd/macros.rs:LL:COL
+          _27 = const <&i32 as std::fmt::Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer)); // scope 5 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                                           // ty::Const
+                                           // + ty: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {<&i32 as std::fmt::Debug>::fmt}
+                                           // + val: Value(Scalar(<ZST>))
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                                           // + literal: Const { ty: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {<&i32 as std::fmt::Debug>::fmt}, val: Value(Scalar(<ZST>)) }
+          StorageLive(_30);                // scope 7 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          _30 = const std::intrinsics::transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _27) -> bb3; // scope 7 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                                           // ty::Const
+                                           // + ty: unsafe extern "rust-intrinsic" fn(for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) -> for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {std::intrinsics::transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>}
+                                           // + val: Value(Scalar(<ZST>))
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                                           // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) -> for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {std::intrinsics::transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>}, val: Value(Scalar(<ZST>)) }
+      }
+  
+      bb3: {
+          StorageLive(_31);                // scope 7 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          _31 = const std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>(move _24) -> bb4; // scope 7 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                                           // ty::Const
+                                           // + ty: unsafe extern "rust-intrinsic" fn(&&i32) -> &core::fmt::Opaque {std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>}
+                                           // + val: Value(Scalar(<ZST>))
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                                           // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(&&i32) -> &core::fmt::Opaque {std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>}, val: Value(Scalar(<ZST>)) }
+      }
+  
+      bb4: {
+          (_26.0: &core::fmt::Opaque) = move _31; // scope 7 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          (_26.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _30; // scope 7 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          StorageDead(_31);                // scope 7 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          StorageDead(_30);                // scope 7 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          StorageLive(_28);                // scope 5 at $SRC_DIR/libstd/macros.rs:LL:COL
+          _29 = const <&i32 as std::fmt::Debug>::fmt as for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> (Pointer(ReifyFnPointer)); // scope 5 at $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                                           // ty::Const
+                                           // + ty: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {<&i32 as std::fmt::Debug>::fmt}
+                                           // + val: Value(Scalar(<ZST>))
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/libcore/macros/mod.rs:LL:COL
+                                           // + literal: Const { ty: for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {<&i32 as std::fmt::Debug>::fmt}, val: Value(Scalar(<ZST>)) }
+          StorageLive(_32);                // scope 9 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          _32 = const std::intrinsics::transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>(move _29) -> bb5; // scope 9 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                                           // ty::Const
+                                           // + ty: unsafe extern "rust-intrinsic" fn(for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) -> for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {std::intrinsics::transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>}
+                                           // + val: Value(Scalar(<ZST>))
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                                           // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) -> for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error> {std::intrinsics::transmute::<for<'r, 's, 't0> fn(&'r &i32, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>, for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>>}, val: Value(Scalar(<ZST>)) }
+      }
+  
+      bb5: {
+          StorageLive(_33);                // scope 9 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          _33 = const std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>(move _25) -> bb6; // scope 9 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                                           // ty::Const
+                                           // + ty: unsafe extern "rust-intrinsic" fn(&&i32) -> &core::fmt::Opaque {std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>}
+                                           // + val: Value(Scalar(<ZST>))
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+                                           // + literal: Const { ty: unsafe extern "rust-intrinsic" fn(&&i32) -> &core::fmt::Opaque {std::intrinsics::transmute::<&&i32, &core::fmt::Opaque>}, val: Value(Scalar(<ZST>)) }
+      }
+  
+      bb6: {
+          (_28.0: &core::fmt::Opaque) = move _33; // scope 9 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          (_28.1: for<'r, 's, 't0> fn(&'r core::fmt::Opaque, &'s mut std::fmt::Formatter<'t0>) -> std::result::Result<(), std::fmt::Error>) = move _32; // scope 9 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          StorageDead(_33);                // scope 9 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          StorageDead(_32);                // scope 9 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          _18 = [move _26, move _28];      // scope 5 at $SRC_DIR/libstd/macros.rs:LL:COL
+          StorageDead(_28);                // scope 5 at $SRC_DIR/libstd/macros.rs:LL:COL
+          StorageDead(_26);                // scope 5 at $SRC_DIR/libstd/macros.rs:LL:COL
+          _17 = &_18;                      // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+          _16 = move _17 as &[std::fmt::ArgumentV1] (Pointer(Unsize)); // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+          StorageLive(_34);                // scope 10 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          discriminant(_34) = 0;           // scope 10 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          (_14.0: &[&str]) = move _15;     // scope 10 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          (_14.1: std::option::Option<&[std::fmt::rt::v1::Argument]>) = move _34; // scope 10 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          (_14.2: &[std::fmt::ArgumentV1]) = move _16; // scope 10 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          StorageDead(_34);                // scope 10 at $SRC_DIR/libcore/fmt/mod.rs:LL:COL
+          _13 = &_14;                      // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+          const std::rt::begin_panic_fmt(move _13); // scope 4 at $SRC_DIR/libstd/macros.rs:LL:COL
+                                           // ty::Const
+                                           // + ty: for<'r, 's> fn(&'r std::fmt::Arguments<'s>) -> ! {std::rt::begin_panic_fmt}
+                                           // + val: Value(Scalar(<ZST>))
+                                           // mir::Constant
+                                           // + span: $SRC_DIR/libstd/macros.rs:LL:COL
+                                           // + literal: Const { ty: for<'r, 's> fn(&'r std::fmt::Arguments<'s>) -> ! {std::rt::begin_panic_fmt}, val: Value(Scalar(<ZST>)) }
+      }
+  }
+