[turbofan] Make arguments object materialization inlinable.

src/compiler/js-operator.h

 // Copyright 2013 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_JS_OPERATOR_H_
 #define V8_COMPILER_JS_OPERATOR_H_
 
 #include "src/runtime/runtime.h"
 
 namespace v8 {
@@ skipping 414 matching lines @@
 
 bool operator==(CreateArgumentsParameters const&,
                 CreateArgumentsParameters const&);
 bool operator!=(CreateArgumentsParameters const&,
                 CreateArgumentsParameters const&);
 
 size_t hash_value(CreateArgumentsParameters const&);
 
 std::ostream& operator<<(std::ostream&, CreateArgumentsParameters const&);
 
+const CreateArgumentsParameters& CreateArgumentsParametersOf(
+    const Operator* op);
+
 
 // Defines shared information for the closure that should be created. This is
 // used as a parameter by JSCreateClosure operators.
 class CreateClosureParameters final {
  public:
   CreateClosureParameters(Handle<SharedFunctionInfo> shared_info,
                           PretenureFlag pretenure)
       : shared_info_(shared_info), pretenure_(pretenure) {}
 
   Handle<SharedFunctionInfo> shared_info() const { return shared_info_; }
@@ skipping 126 matching lines @@
   Zone* const zone_;
 
   DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_JS_OPERATOR_H_