Invalidate property cells for non-existent properties properly.

test/cctest/cctest.status

 # Copyright 2011 the V8 project authors. All rights reserved.
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 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
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 #     * Redistributions in binary form must reproduce the above
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@@ skipping 80 matching lines @@
   'test-mark-compact/MarkCompactCollector': [PASS, ['arch==arm', NO_VARIANTS]],
 
   # TODO(jarin/mstarzinger): Investigate debugger issues with TurboFan.
   'test-debug/DebugStepNatives': [PASS, NO_VARIANTS],
   'test-debug/DebugStepFunctionApply': [PASS, NO_VARIANTS],
   'test-debug/DebugStepFunctionCall': [PASS, NO_VARIANTS],
 
   # TODO(jochen): Reenable after we removed the CHECK() from the marking queue.
   'test-mark-compact/MarkingDeque': [SKIP],
 
-  # BUG(3914).
-  'test-decls/CrossScriptStaticLookupUndeclared': [SKIP],
-  'test-decls/CrossScriptReferencesHarmony': [SKIP],
-  'test-decls/CrossScriptReferencesHarmonyRegress': [SKIP],
-
   ############################################################################
   # Slow tests.
   'test-api/Threading1': [PASS, ['mode == debug', SLOW]],
   'test-api/Threading2': [PASS, ['mode == debug', SLOW]],
   'test-api/Threading3': [PASS, ['mode == debug', SLOW]],
   'test-api/Threading4': [PASS, ['mode == debug', SLOW]],
   'test-strings/StringOOM*': [PASS, ['mode == debug', SKIP]],
 }],  # ALWAYS
 
 ##############################################################################
@@ skipping 285 matching lines @@
   'test-accessors/HandleScopePop' : [SKIP],
   'test-accessors/Gc' : [SKIP],
 
 }],  # 'arch == nacl_ia32 or arch == nacl_x64'
 
 ['arch == ppc64', {
   #issue 2857
   'test-log/EquivalenceOfLoggingAndTraversal' : [SKIP],
 }],  # 'arch == ppc64'
 ]