Disabling flakes.

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 386 matching lines @@
   'regress/regress-1132': [SKIP],
 
   # Currently always deopt on minus zero
   'math-floor-of-div-minus-zero': [SKIP],
 }],  # 'arch == mips64el'
 
 ['arch == mips64el and simulator_run == False', {
   # Random failures on HW, need investigation.
   'debug-*': [SKIP],
 }],
+##############################################################################
+['system == windows', {
+  # BUG(v8:3435)
+  'debug-script-breakpoints': [PASS, FAIL],
+}],  # '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
   'd8-os': [SKIP],
@@ skipping 39 matching lines @@
   'never-optimize': [SKIP],
   'regress/regress-2185-2': [SKIP],
   'harmony/object-observe': [SKIP],
   'readonly': [SKIP],
   'array-feedback': [SKIP],
 
   # Deopt every n garbage collections collides with deopt every n times.
   'regress/regress-2653': [SKIP],
 }],  # 'deopt_fuzzer == True'
 ]