[test] Skip flaky test on windows.

test/mjsunit/mjsunit.status

 # Copyright 2012 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 612 matching lines @@
 ['system == windows', {
   # TODO(mstarzinger): Too slow with turbo fan.
   'big-object-literal': [PASS, ['mode == debug', SKIP]],
   'math-floor-of-div': [PASS, ['mode == debug', SKIP]],
   'math-floor-of-div-nosudiv': [PASS, ['mode == debug', SKIP]],
   'osr-regress-max-locals': [PASS, ['mode == debug', SKIP]],
   'unicodelctest': [PASS, ['mode == debug', SKIP]],
 
   # BUG(v8:3435)
   'debug-script-breakpoints': [PASS, FAIL],
+
+  # BUG(v8:4495).
+  'es6/collections': [PASS, ['arch == ia32', FAST_VARIANTS]],
 }],  # 'system == windows'
 
 ##############################################################################
 # Native Client uses the ARM simulator so will behave similarly to arm
 # on mjsunit tests.
 # TODO(bradchen): enable more tests for NaCl V8 when it stops using
 # the ARM simulator.
 ##############################################################################
 ['arch == nacl_ia32 or arch == nacl_x64', {
   # There is no /tmp directory for NaCl runs
@@ skipping 71 matching lines @@
   'd8-worker-sharedarraybuffer': [SKIP],
 }],  # 'predictable == True'
 
 ##############################################################################
 ['arch == ppc and simulator_run == True or arch == ppc64 and simulator_run == True', {
 
   # take too long with the simulator.
   'regress/regress-1132': [SKIP],
 }],  # 'arch == ppc and simulator_run == True'
 ]