Merge experimental/gc branch to the bleeding_edge.

src/SConscript

 # 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 66 matching lines @@
     global-handles.cc
     fast-dtoa.cc
     fixed-dtoa.cc
     handles.cc
     hashmap.cc
     heap-profiler.cc
     heap.cc
     hydrogen.cc
     hydrogen-instructions.cc
     ic.cc
+    incremental-marking.cc
     inspector.cc
     interpreter-irregexp.cc
     isolate.cc
     jsregexp.cc
     lithium-allocator.cc
     lithium.cc
     liveedit.cc
     liveobjectlist.cc
     log-utils.cc
     log.cc
@@ skipping 29 matching lines @@
     type-info.cc
     unicode.cc
     utils.cc
     v8-counters.cc
     v8.cc
     v8conversions.cc
     v8threads.cc
     v8utils.cc
     variables.cc
     version.cc
+    store-buffer.cc
     zone.cc
     extensions/gc-extension.cc
     extensions/externalize-string-extension.cc
     """),
   'arch:arm': Split("""
     arm/builtins-arm.cc
     arm/code-stubs-arm.cc
     arm/codegen-arm.cc
     arm/constants-arm.cc
     arm/cpu-arm.cc
@@ skipping 248 matching lines @@
       snapshot_cc = 'snapshot.cc'
     snapshot_obj = context.ConfigureObject(env, snapshot_cc, CPPPATH=['.'])
   else:
     snapshot_obj = empty_snapshot_obj
   library_objs = [non_snapshot_files, libraries_obj, experimental_libraries_obj, snapshot_obj]
   return (library_objs, d8_objs, [mksnapshot], preparser_objs)
 
 
 (library_objs, d8_objs, mksnapshot, preparser_objs) = ConfigureObjectFiles()
 Return('library_objs d8_objs mksnapshot preparser_objs')