Fix invalid usage of StoreIC_ArrayLength optimization.

src/objects.h

 // Copyright 2011 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 1453 matching lines @@
   inline bool HasExternalByteElements();
   inline bool HasExternalUnsignedByteElements();
   inline bool HasExternalShortElements();
   inline bool HasExternalUnsignedShortElements();
   inline bool HasExternalIntElements();
   inline bool HasExternalUnsignedIntElements();
   inline bool HasExternalFloatElements();
   inline bool HasExternalDoubleElements();
   bool HasFastArgumentsElements();
   bool HasDictionaryArgumentsElements();
-  inline bool AllowsSetElementsLength();
   inline NumberDictionary* element_dictionary();  // Gets slow elements.
 
   // Requires: HasFastElements().
   MUST_USE_RESULT inline MaybeObject* EnsureWritableFastElements();
 
   // Collects elements starting at index 0.
   // Undefined values are placed after non-undefined values.
   // Returns the number of non-undefined values.
   MUST_USE_RESULT MaybeObject* PrepareElementsForSort(uint32_t limit);
   // As PrepareElementsForSort, but only on objects where elements is
@@ skipping 241 matching lines @@
   // Lookup interceptors are used for handling properties controlled by host
   // objects.
   inline bool HasNamedInterceptor();
   inline bool HasIndexedInterceptor();
 
   // Support functions for v8 api (needed for correct interceptor behavior).
   bool HasRealNamedProperty(String* key);
   bool HasRealElementProperty(uint32_t index);
   bool HasRealNamedCallbackProperty(String* key);
 
-  // Initializes the array to a certain length
-  MUST_USE_RESULT MaybeObject* SetElementsLength(Object* length);
-
   // Get the header size for a JSObject.  Used to compute the index of
   // internal fields as well as the number of internal fields.
   inline int GetHeaderSize();
 
   inline int GetInternalFieldCount();
   inline int GetInternalFieldOffset(int index);
   inline Object* GetInternalField(int index);
   inline void SetInternalField(int index, Object* value);
   inline void SetInternalField(int index, Smi* value);
 
@@ skipping 5642 matching lines @@
   inline void set_length(Smi* length);
 
   MUST_USE_RESULT MaybeObject* JSArrayUpdateLengthFromIndex(uint32_t index,
                                                             Object* value);
 
   // Initialize the array with the given capacity. The function may
   // fail due to out-of-memory situations, but only if the requested
   // capacity is non-zero.
   MUST_USE_RESULT MaybeObject* Initialize(int capacity);
 
+  // Initializes the array to a certain length.
+  inline bool AllowsSetElementsLength();
+  MUST_USE_RESULT MaybeObject* SetElementsLength(Object* length);
+
   // Set the content of the array to the content of storage.
   inline MaybeObject* SetContent(FixedArrayBase* storage);
 
   // Casting.
   static inline JSArray* cast(Object* obj);
 
   // Uses handles.  Ensures that the fixed array backing the JSArray has at
   // least the stated size.
   inline void EnsureSize(int minimum_size_of_backing_fixed_array);
 
@@ skipping 590 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_