[turbofan] Rename "original constructor" to "new target".

src/full-codegen/arm64/full-codegen-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
@@ skipping 245 matching lines @@
     __ B(ne, &check_frame_marker);
     __ Ldr(x2, MemOperand(x2, StandardFrameConstants::kCallerFPOffset));
     __ Bind(&check_frame_marker);
     __ Ldr(x1, MemOperand(x2, StandardFrameConstants::kMarkerOffset));
     __ Cmp(x1, Smi::FromInt(StackFrame::CONSTRUCT));
     function_in_register_x1 = false;
 
     Label non_construct_frame, done;
 
     __ B(ne, &non_construct_frame);
-    __ Ldr(x0,
-           MemOperand(x2, ConstructFrameConstants::kOriginalConstructorOffset));
+    __ Ldr(x0, MemOperand(x2, ConstructFrameConstants::kNewTargetOffset));
     __ B(&done);
 
     __ Bind(&non_construct_frame);
     __ LoadRoot(x0, Heap::kUndefinedValueRootIndex);
 
     __ Bind(&done);
 
     SetVar(new_target_var, x0, x2, x3);
   }
 
@@ skipping 4800 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64