Unify and simplify the FastCloneShallowArrayStub

src/code-stubs.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 27 matching lines @@
 namespace v8 {
 namespace internal {
 
 
 CodeStubInterfaceDescriptor::CodeStubInterfaceDescriptor()
     : register_param_count_(-1),
       stack_parameter_count_(no_reg),
       hint_stack_parameter_count_(-1),
       function_mode_(NOT_JS_FUNCTION_STUB_MODE),
       register_params_(NULL),
+      register_param_representations_(NULL),
       deoptimization_handler_(NULL),
       handler_arguments_mode_(DONT_PASS_ARGUMENTS),
       miss_handler_(),
       has_miss_handler_(false) { }
 
 
 bool CodeStub::FindCodeInCache(Code** code_out) {
   UnseededNumberDictionary* stubs = isolate()->heap()->code_stubs();
   int index = stubs->FindEntry(GetKey());
   if (index != UnseededNumberDictionary::kNotFound) {
@@ skipping 687 matching lines @@
 
 
 void FastNewContextStub::InstallDescriptors(Isolate* isolate) {
   FastNewContextStub stub(isolate, FastNewContextStub::kMaximumSlots);
   InstallDescriptor(isolate, &stub);
 }
 
 
 // static
 void FastCloneShallowArrayStub::InstallDescriptors(Isolate* isolate) {
-  FastCloneShallowArrayStub stub(isolate,
-                                 FastCloneShallowArrayStub::CLONE_ELEMENTS,
-                                 DONT_TRACK_ALLOCATION_SITE, 0);
+  FastCloneShallowArrayStub stub(isolate, DONT_TRACK_ALLOCATION_SITE);
   InstallDescriptor(isolate, &stub);
 }
 
 
 // static
 void BinaryOpICStub::InstallDescriptors(Isolate* isolate) {
   BinaryOpICStub stub(isolate, Token::ADD, NO_OVERWRITE);
   InstallDescriptor(isolate, &stub);
 }
 
@@ skipping 50 matching lines @@
   InstallDescriptor(isolate, &stub3);
 }
 
 InternalArrayConstructorStub::InternalArrayConstructorStub(
     Isolate* isolate) : PlatformCodeStub(isolate) {
   InternalArrayConstructorStubBase::GenerateStubsAheadOfTime(isolate);
 }
 
 
 } }  // namespace v8::internal