Implement KeyedStoreICs to grow arrays on out-of-bound stores.

src/ic-inl.h

 // 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 67 matching lines @@
 
 
 void IC::SetTargetAtAddress(Address address, Code* target) {
   ASSERT(target->is_inline_cache_stub() || target->is_compare_ic_stub());
 #ifdef DEBUG
   // STORE_IC and KEYED_STORE_IC use Code::extra_ic_state() to mark
   // ICs as strict mode. The strict-ness of the IC must be preserved.
   Code* old_target = GetTargetAtAddress(address);
   if (old_target->kind() == Code::STORE_IC ||
       old_target->kind() == Code::KEYED_STORE_IC) {
-    ASSERT(old_target->extra_ic_state() == target->extra_ic_state());
+    ASSERT(Code::GetStrictMode(old_target->extra_ic_state()) ==
+           Code::GetStrictMode(target->extra_ic_state()));
   }
 #endif
   Assembler::set_target_address_at(address, target->instruction_start());
   target->GetHeap()->incremental_marking()->RecordCodeTargetPatch(address,
                                                                   target);
   PostPatching();
 }
 
 
 InlineCacheHolderFlag IC::GetCodeCacheForObject(Object* object,
@@ skipping 27 matching lines @@
 JSObject* IC::GetCodeCacheHolder(Object* object, InlineCacheHolderFlag holder) {
   Object* map_owner = (holder == OWN_MAP ? object : object->GetPrototype());
   ASSERT(map_owner->IsJSObject());
   return JSObject::cast(map_owner);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IC_INL_H_