Fix regression caused by supporting inlining accesses to non-JSObjects

src/hydrogen.cc

 // Copyright 2013 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 6696 matching lines @@
       if (current_map->DictionaryElementsInPrototypeChainOnly()) {
         force_generic = true;
         monomorphic = false;
         break;
       }
     }
   }
 
   if (monomorphic) {
     Handle<Map> map = types->first();
-    if (map->has_slow_elements_kind()) {
+    if (map->has_slow_elements_kind() || !map->IsJSObjectMap()) {
       instr = is_store ? BuildStoreKeyedGeneric(obj, key, val)
                        : BuildLoadKeyedGeneric(obj, key);
       AddInstruction(instr);
     } else {
       BuildCheckHeapObject(obj);
       instr = BuildMonomorphicElementAccess(
           obj, key, val, NULL, map, is_store, expr->GetStoreMode());
     }
   } else if (!force_generic && (types != NULL && !types->is_empty())) {
     return HandlePolymorphicElementAccess(
@@ skipping 4732 matching lines @@
   if (ShouldProduceTraceOutput()) {
     isolate()->GetHTracer()->TraceHydrogen(name(), graph_);
   }
 
 #ifdef DEBUG
   graph_->Verify(false);  // No full verify.
 #endif
 }
 
 } }  // namespace v8::internal