Temporarily skip test-mark-compact/MarkCompactCollector.

test/cctest/cctest.status

 # 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 77 matching lines @@
 
   ##############################################################################
   # TurboFan compiler failures.
 
   # Some tests are just too slow to run for now.
   'test-api/Threading*': [PASS, NO_VARIANTS],
   'test-heap/IncrementalMarkingStepMakesBigProgressWithLargeObjects': [PASS, NO_VARIANTS],
   'test-heap-profiler/ManyLocalsInSharedContext': [PASS, NO_VARIANTS],
   'test-debug/ThreadedDebugging': [PASS, NO_VARIANTS],
   'test-debug/DebugBreakLoop': [PASS, NO_VARIANTS],
+  # BUG(3742).
+  'test-mark-compact/MarkCompactCollector': [PASS, ['arch==arm', NO_VARIANTS]],
 
   # Support for %GetFrameDetails is missing and requires checkpoints.
   'test-api/Regress385349': [PASS, NO_VARIANTS],
   'test-debug/DebuggerStatement': [PASS, NO_VARIANTS],
   'test-debug/DebuggerStatementBreakpoint': [PASS, NO_VARIANTS],
   'test-debug/DebugEvaluateWithCodeGenerationDisallowed': [PASS, NO_VARIANTS],
   'test-debug/DebugStepNatives': [PASS, NO_VARIANTS],
   'test-debug/DebugStepFunctionCall': [PASS, NO_VARIANTS],
   'test-debug/DebugStepFunctionApply': [PASS, NO_VARIANTS],
   'test-debug/ScriptNameAndData': [PASS, NO_VARIANTS],
@@ skipping 315 matching lines @@
   'test-api/Float32Array' : [SKIP],
   'test-api/Float64Array' : [SKIP],
   'test-api/Regress2333' : [SKIP],
   'test-alloc/StressHandles' : [SKIP],
   'test-alloc/StressJS' : [SKIP],
   'test-accessors/HandleScopePop' : [SKIP],
   'test-accessors/Gc' : [SKIP],
 
 }],  # 'arch == nacl_ia32 or arch == nacl_x64'
 ]