Fix static overrun.

src/spaces.h

 // Copyright 2006-2008 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 1463 matching lines @@
 
   // Virtual function in the superclass.  Allocate linearly at the start of
   // the page after current_page (there is assumed to be one).
   HeapObject* AllocateInNextPage(Page* current_page, int size_in_bytes);
 
  private:
   // The space's free list.
   MapSpaceFreeList free_list_;
 
   // An array of page start address in a map space.
-  Address page_addresses_[kMaxMapPageIndex];
+  Address page_addresses_[kMaxMapPageIndex + 1];
 
  public:
   TRACK_MEMORY("MapSpace")
 };
 
 
 // -----------------------------------------------------------------------------
 // Large objects ( > Page::kMaxHeapObjectSize ) are allocated and managed by
 // the large object space. A large object is allocated from OS heap with
 // extra padding bytes (Page::kPageSize + Page::kObjectStartOffset).
@@ skipping 159 matching lines @@
 
  private:
   LargeObjectChunk* current_;
   HeapObjectCallback size_func_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_SPACES_H_