Add dependency to HLoadKeyed* instructions to prevent invalid hoisting

src/hydrogen.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 1081 matching lines @@
                                        Handle<Map> type,
                                        LookupResult* result,
                                        bool smi_and_map_check);
   HInstruction* BuildLoadNamedGeneric(HValue* object, Property* expr);
   HInstruction* BuildLoadKeyedGeneric(HValue* object,
                                       HValue* key);
   HInstruction* BuildExternalArrayElementAccess(
       HValue* external_elements,
       HValue* checked_key,
       HValue* val,
+      HValue* dependency,
       ElementsKind elements_kind,
       bool is_store);
   HInstruction* BuildFastElementAccess(HValue* elements,
                                        HValue* checked_key,
                                        HValue* val,
+                                       HValue* dependency,
                                        ElementsKind elements_kind,
                                        bool is_store);
 
   HInstruction* TryBuildConsolidatedElementLoad(HValue* object,
                                                 HValue* key,
                                                 HValue* val,
                                                 SmallMapList* maps);
 
   HInstruction* BuildUncheckedMonomorphicElementAccess(HValue* object,
                                                        HValue* key,
@@ skipping 338 matching lines @@
   const char* filename_;
   HeapStringAllocator string_allocator_;
   StringStream trace_;
   int indent_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_H_