Make Array::kHeaderSize protected, and only use kHeaderSize of its subclasses...

src/arm/macro-assembler-arm.cc

 // Copyright 2006-2009 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 208 matching lines @@
   // remembered set.
   sub(offset, offset, Operand(Page::kPageSize / kPointerSize));
   // Load the array length into 'scratch' and multiply by four to get the
   // size in bytes of the elements.
   ldr(scratch, MemOperand(object, Page::kObjectStartOffset
                                   + FixedArray::kLengthOffset));
   mov(scratch, Operand(scratch, LSL, kObjectAlignmentBits));
   // Add the page header (including remembered set), array header, and array
   // body size to the page address.
   add(object, object, Operand(Page::kObjectStartOffset
-                              + Array::kHeaderSize));
+                              + FixedArray::kHeaderSize));
   add(object, object, Operand(scratch));
 
   bind(&fast);
   // Get address of the rset word.
   // object: start of the remembered set (page start for the fast case)
   // offset: bit offset of store position in the remembered set
   bic(scratch, offset, Operand(kBitsPerInt - 1));  // clear the bit offset
   add(object, object, Operand(scratch, LSR, kRSetWordShift));
   // Get bit offset in the rset word.
   // object: address of remembered set word
@@ skipping 765 matching lines @@
 #endif
   mov(r0, Operand(p0));
   push(r0);
   mov(r0, Operand(Smi::FromInt(p1 - p0)));
   push(r0);
   CallRuntime(Runtime::kAbort, 2);
   // will not return here
 }
 
 } }  // namespace v8::internal