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

src/full-codegen/x64/full-codegen-x64.cc

 // Copyright 2012 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_X64
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/debug/debug.h"
@@ skipping 232 matching lines @@
     __ movp(rax, Operand(rax, StandardFrameConstants::kCallerFPOffset));
 
     __ bind(&non_adaptor_frame);
     __ Cmp(Operand(rax, StandardFrameConstants::kMarkerOffset),
            Smi::FromInt(StackFrame::CONSTRUCT));
 
     Label non_construct_frame, done;
     __ j(not_equal, &non_construct_frame);
 
     // Construct frame
-    __ movp(rax,
-            Operand(rax, ConstructFrameConstants::kOriginalConstructorOffset));
+    __ movp(rax, Operand(rax, ConstructFrameConstants::kNewTargetOffset));
     __ jmp(&done);
 
     // Non-construct frame
     __ bind(&non_construct_frame);
     __ LoadRoot(rax, Heap::kUndefinedValueRootIndex);
 
     __ bind(&done);
     SetVar(new_target_var, rax, rbx, rdx);
   }
 
@@ skipping 4711 matching lines @@
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64