Suppress test failures on GC-stress for A64.

R=ulan@chromium.org
BUG=v8:3219
LOG=N

Review URL: https://codereview.chromium.org/197873021

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19960 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mjsunit/mjsunit.status

@@ -221,6 +221,8 @@
   'regexp-global': [SKIP],
   'compiler/alloc-numbers': [SKIP],
   'harmony/symbols': [SKIP],
+  # Issue 3219:
+  'getters-on-elements': [PASS, ['gc_stress == True', FAIL]],
 }],  # 'arch == a64 and mode == debug and simulator_run == True'
 
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