[Sheriff] Mark new regression test flaky on linux 32.

BUG=
TBR=jarin@chromium.org

Review URL: https://codereview.chromium.org/148483004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@19000 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mjsunit/mjsunit.status

@@ -115,8 +115,9 @@
   # BUG(336820). TODO(bmeurer): Investigate.
   'regress/regress-336820': [PASS, FAIL],
 
-  # BUG(v8:2989).
-  'regress/regress-2989': [FAIL, NO_VARIANTS],
+  # BUG(v8:2989). PASS/FAIL on linux32 because crankshaft is turned off for
+  # nosse2.
+  'regress/regress-2989': [FAIL, NO_VARIANTS, ['system == linux and arch == ia32', PASS]],
 }],  # ALWAYS
 
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