Reduce the memory used by frame elements from two words to one by...

tools/gyp/v8.gyp

 # Copyright 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 117 matching lines @@
       '../../src/execution.cc',
       '../../src/execution.h',
       '../../src/factory.cc',
       '../../src/factory.h',
       '../../src/flag-definitions.h',
       '../../src/flags.cc',
       '../../src/flags.h',
       '../../src/frames-inl.h',
       '../../src/frames.cc',
       '../../src/frames.h',
+      '../../src/frame-element.h',
       '../../src/func-name-inferrer.cc',
       '../../src/func-name-inferrer.h',
       '../../src/global-handles.cc',
       '../../src/global-handles.h',
       '../../src/globals.h',
       '../../src/handles-inl.h',
       '../../src/handles.cc',
       '../../src/handles.h',
       '../../src/hashmap.cc',
       '../../src/hashmap.h',
       '../../src/heap-inl.h',
       '../../src/heap.cc',
       '../../src/heap.h',
       '../../src/ic-inl.h',
       '../../src/ic.cc',
       '../../src/ic.h',
       '../../src/interpreter-irregexp.cc',
       '../../src/interpreter-irregexp.h',
       '../../src/jump-target.cc',
       '../../src/jump-target.h',
+      '../../src/jump-target-inl.h',
       '../../src/jsregexp-inl.h',
       '../../src/jsregexp.cc',
       '../../src/jsregexp.h',
       '../../src/list-inl.h',
       '../../src/list.h',
       '../../src/log.cc',
       '../../src/log.h',
       '../../src/macro-assembler.h',
       '../../src/mark-compact.cc',
       '../../src/mark-compact.h',
@@ skipping 549 matching lines @@
         ],
         'msvs_settings': {
           'VCLinkerTool': {
             'AdditionalOptions': '/IGNORE:4221 /NXCOMPAT',
           },
         },
       },
     }],
   ],
 }