[test] Properly disable test that doesn't work in 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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@@ skipping 286 matching lines @@
   # TODO(mstarzinger): Takes too long with TF.
   'array-sort': [PASS, NO_VARIANTS],
   'regress/regress-91008': [PASS, NO_VARIANTS],
   'regress/regress-417709a': [PASS, ['arch == arm64', NO_VARIANTS]],
   'regress/regress-transcendental': [PASS, ['arch == arm64', NO_VARIANTS]],
   'compiler/osr-regress-max-locals': [PASS, NO_VARIANTS],
   'math-floor-of-div': [PASS, NO_VARIANTS],
   'unicodelctest': [PASS, NO_VARIANTS],
   'unicodelctest-no-optimization': [PASS, NO_VARIANTS],
 
+  # TODO(jkummerow): Doesn't work correctly in GC stress.
+  'regress/regress-crbug-500497': [PASS, NO_VARIANTS],
+
   # Too slow for gc stress.
   'asm/embenchen/box2d': [SKIP],
 
   # Issue 3723.
   'regress/regress-3717': [SKIP],
 
   # BUG(v8:4237)
   'regress/regress-3976': [SKIP],
 
   # BUG(v8:4359)
@@ skipping 352 matching lines @@
   'regress/regress-2653': [SKIP],
 }],  # 'deopt_fuzzer == 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'
 ]