Update webkit status for failing test

test/webkit/webkit.status

 # Copyright 2013 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
 #       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
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@@ skipping 99 matching lines @@
 }],  # variant == ignition and msan
 
 ##############################################################################
 ['variant == ignition_turbofan and msan', {
   # TODO(mythria,4680): Too slow and timeout on ignition.
   'dfg-double-vote-fuzz': [SKIP],
   'dfg-int-overflow-in-loop': [SKIP],
 }],  # variant == ignition_turbofan and msan
 
 ##############################################################################
+['arch == arm64 and msan', {
+  # Stack size too large with masm on Arm64.
+  'excessive-comma-usage': [SKIP],
+}],  # arch == arm64 and msan
+
+##############################################################################
 ['gcov_coverage', {
   # Tests taking too long or getting too large call stacks.
   'fast/js/excessive-comma-usage': [SKIP],
   'run-json-stringify': [SKIP],
 }],  # 'gcov_coverage'
 
 ##############################################################################
 ]