Replace store array length builtin with codestub.

src/stub-cache.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 756 matching lines @@
   int entry = cache->FindEntry(isolate_, flags);
   if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry)));
 
   StubCompiler compiler(isolate_);
   Handle<Code> code = compiler.CompileCallNormal(flags);
   FillCache(isolate_, code);
   return code;
 }
 
 
-Handle<Code> StubCache::ComputeCallArguments(int argc, Code::Kind kind) {
-  ASSERT(kind == Code::KEYED_CALL_IC);
+Handle<Code> StubCache::ComputeCallArguments(int argc) {
   Code::Flags flags =
-      Code::ComputeFlags(kind, MEGAMORPHIC, Code::kNoExtraICState,
-                         Code::NORMAL, argc);
+      Code::ComputeFlags(Code::KEYED_CALL_IC, MEGAMORPHIC,
+                         Code::kNoExtraICState, Code::NORMAL, argc);
   Handle<UnseededNumberDictionary> cache =
       isolate_->factory()->non_monomorphic_cache();
   int entry = cache->FindEntry(isolate_, flags);
   if (entry != -1) return Handle<Code>(Code::cast(cache->ValueAt(entry)));
 
   StubCompiler compiler(isolate_);
   Handle<Code> code = compiler.CompileCallArguments(flags);
   FillCache(isolate_, code);
   return code;
 }
@@ skipping 851 matching lines @@
           Handle<FunctionTemplateInfo>(
               FunctionTemplateInfo::cast(signature->receiver()));
     }
   }
 
   is_simple_api_call_ = true;
 }
 
 
 } }  // namespace v8::internal