[Sheriff] Mark profviz flaky on GC stress.

test/mjsunit/mjsunit.status

 # Copyright 2012 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
 #       copyright notice, this list of conditions and the following
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@@ skipping 109 matching lines @@
   'array-constructor-feedback': [SKIP],
   'array-feedback': [SKIP],
   'array-literal-feedback': [SKIP],
   'd8-performance-now': [SKIP],
   'elements-kind': [SKIP],
   'fast-prototype': [SKIP],
   'opt-elements-kind': [SKIP],
   'osr-elements-kind': [SKIP],
   'regress/regress-165637': [SKIP],
   'regress/regress-2249': [SKIP],
+
+  # TODO(hpayer): Investigate.
+  'tools/profviz': [PASS, FLAKY],
 }],  # 'gc_stress == True'
 
 ##############################################################################
 ['arch == arm or arch == android_arm', {
 
   # Slow tests which times out in debug mode.
   'try': [PASS, ['mode == debug', SKIP]],
   'debug-scripts-request': [PASS, ['mode == debug', SKIP]],
   'array-constructor': [PASS, ['mode == debug', SKIP]],
   'regress/regress-1122': [PASS, ['mode == debug and arch == android_arm', SKIP]],
@@ skipping 131 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'
 ]