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

src/compiler/js-generic-lowering.cc

 // Copyright 2014 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.
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/compiler/common-operator.h"
 #include "src/compiler/js-generic-lowering.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/machine-operator.h"
@@ skipping 512 matching lines @@
 
 void JSGenericLowering::LowerJSCallConstruct(Node* node) {
   // TODO(bmeurer): Use the Construct builtin here.
   int arity = OpParameter<int>(node);
   CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL);
   CallInterfaceDescriptor d = stub.GetCallInterfaceDescriptor();
   CallDescriptor::Flags flags = AdjustFrameStatesForCall(node);
   CallDescriptor* desc =
       Linkage::GetStubCallDescriptor(isolate(), zone(), d, arity - 1, flags);
   Node* stub_code = jsgraph()->HeapConstant(stub.GetCode());
-  Node* actual_construct = NodeProperties::GetValueInput(node, 0);
-  Node* original_construct = NodeProperties::GetValueInput(node, arity - 1);
-  node->RemoveInput(arity - 1);  // Drop original constructor.
+  Node* target = NodeProperties::GetValueInput(node, 0);
+  Node* new_target = NodeProperties::GetValueInput(node, arity - 1);
+  node->RemoveInput(arity - 1);  // Drop new target.
   node->InsertInput(zone(), 0, stub_code);
   node->InsertInput(zone(), 1, jsgraph()->Int32Constant(arity - 2));
-  node->InsertInput(zone(), 2, actual_construct);
-  node->InsertInput(zone(), 3, original_construct);
+  node->InsertInput(zone(), 2, target);
+  node->InsertInput(zone(), 3, new_target);
   node->InsertInput(zone(), 4, jsgraph()->UndefinedConstant());
   NodeProperties::ChangeOp(node, common()->Call(desc));
 }
 
 
 void JSGenericLowering::LowerJSCallFunction(Node* node) {
   CallFunctionParameters const& p = CallFunctionParametersOf(node->op());
   int const arg_count = static_cast<int>(p.arity() - 2);
   ConvertReceiverMode const mode = p.convert_mode();
   Callable callable = CodeFactory::Call(isolate(), mode);
@@ skipping 305 matching lines @@
 }
 
 
 MachineOperatorBuilder* JSGenericLowering::machine() const {
   return jsgraph()->machine();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8