[runtime] Optimize and unify rest parameters.

src/compiler/bytecode-graph-builder.h

 // Copyright 2015 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.
 
 #ifndef V8_COMPILER_BYTECODE_GRAPH_BUILDER_H_
 #define V8_COMPILER_BYTECODE_GRAPH_BUILDER_H_
 
 #include "src/compiler.h"
 #include "src/compiler/bytecode-branch-analysis.h"
 #include "src/compiler/js-graph.h"
@@ skipping 103 matching lines @@
                                 interpreter::Register callee,
                                 interpreter::Register first_arg, size_t arity);
   Node* ProcessCallRuntimeArguments(const Operator* call_runtime_op,
                                     interpreter::Register first_arg,
                                     size_t arity);
 
   void BuildCreateLiteral(const Operator* op);
   void BuildCreateRegExpLiteral();
   void BuildCreateArrayLiteral();
   void BuildCreateObjectLiteral();
-  void BuildCreateArguments(CreateArgumentsParameters::Type type, int index);
+  void BuildCreateArguments(CreateArgumentsType type);
   void BuildLoadGlobal(TypeofMode typeof_mode);
   void BuildStoreGlobal();
   void BuildNamedLoad();
   void BuildKeyedLoad();
   void BuildNamedStore();
   void BuildKeyedStore();
   void BuildLdaLookupSlot(TypeofMode typeof_mode);
   void BuildStaLookupSlot(LanguageMode language_mode);
   void BuildCall();
   void BuildCallJSRuntime();
@@ skipping 119 matching lines @@
   ZoneVector<Node*> exit_controls_;
 
   DISALLOW_COPY_AND_ASSIGN(BytecodeGraphBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_BYTECODE_GRAPH_BUILDER_H_