[ic] Extract load IC proto array handlers handling to a separate stub.

src/code-stub-assembler.h

 // Copyright 2016 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_CODE_STUB_ASSEMBLER_H_
 #define V8_CODE_STUB_ASSEMBLER_H_
 
 #include <functional>
 
 #include "src/compiler/code-assembler.h"
@@ skipping 979 matching lines @@
                                        compiler::Node* length,
                                        compiler::Node* key, ParameterMode mode,
                                        bool is_js_array, Label* bailout);
 
   compiler::Node* CopyElementsOnWrite(compiler::Node* object,
                                       compiler::Node* elements,
                                       ElementsKind kind, compiler::Node* length,
                                       ParameterMode mode, Label* bailout);
 
   void LoadIC(const LoadICParameters* p);
+  void LoadICProtoArray(const LoadICParameters* p, compiler::Node* handler);
   void LoadGlobalIC(const LoadICParameters* p);
   void KeyedLoadIC(const LoadICParameters* p);
   void KeyedLoadICGeneric(const LoadICParameters* p);
   void StoreIC(const StoreICParameters* p);
   void KeyedStoreIC(const StoreICParameters* p, LanguageMode language_mode);
 
   void TransitionElementsKind(compiler::Node* object, compiler::Node* map,
                               ElementsKind from_kind, ElementsKind to_kind,
                               bool is_jsarray, Label* bailout);
 
@@ skipping 288 matching lines @@
   }
 #else
 #define CSA_SLOW_ASSERT(csa, x) ((void)0)
 #endif
 
 DEFINE_OPERATORS_FOR_FLAGS(CodeStubAssembler::AllocationFlags);
 
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_CODE_STUB_ASSEMBLER_H_