Correct large packed array length limitation

src/runtime.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 14614 matching lines @@
 
 static MaybeObject* ArrayConstructorCommon(Isolate* isolate,
                                            Handle<JSFunction> constructor,
                                            Handle<Object> type_info,
                                            Arguments* caller_args) {
   bool holey = false;
   bool can_use_type_feedback = true;
   if (caller_args->length() == 1) {
     Object* argument_one = (*caller_args)[0];
     if (argument_one->IsSmi()) {
-      int value = Smi::cast(argument_one)->value();
-      if (value < 0 || value >= JSObject::kInitialMaxFastElementArray) {
+      int len = Smi::cast(argument_one)->value();
+      if (len < 0 || len > JSObject::kInitialMaxFastElementArray) {
         // the array is a dictionary in this case.
         can_use_type_feedback = false;
-      } else if (value != 0) {
+      } else if (len != 0) {
         holey = true;
       }
     } else {
       // Non-smi length argument produces a dictionary
       can_use_type_feedback = false;
     }
   }
 
   JSArray* array;
   MaybeObject* maybe_array;
@@ skipping 153 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal