PPC: Rename original constructor to new target

src/ppc/interface-descriptors-ppc.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.
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/interface-descriptors.h"
 
 namespace v8 {
 namespace internal {
@@ skipping 169 matching lines @@
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void CallConstructDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // r3 : number of arguments
   // r4 : the function to call
   // r5 : feedback vector
   // r6 : slot in feedback vector (Smi, for RecordCallTarget)
-  // r7 : original constructor (for IsSuperConstructorCall)
+  // r7 : new target (for IsSuperConstructorCall)
   // TODO(turbofan): So far we don't gather type feedback and hence skip the
   // slot parameter, but ArrayConstructStub needs the vector to be undefined.
   Register registers[] = {r3, r4, r7, r5};
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void CallTrampolineDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   // r3 : number of arguments
@@ skipping 201 matching lines @@
       r4   // the target callable to be call
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void InterpreterPushArgsAndConstructDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {
       r3,  // argument count (not including receiver)
-      r6,  // original constructor
+      r6,  // new target
       r4,  // constructor to call
       r5   // address of the first argument
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 
 
 void InterpreterCEntryDescriptor::InitializePlatformSpecific(
     CallInterfaceDescriptorData* data) {
   Register registers[] = {
       r3,  // argument count (argc)
       r5,  // address of first argument (argv)
       r4   // the runtime function to call
   };
   data->InitializePlatformSpecific(arraysize(registers), registers);
 }
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC