Mark mozilla/ecma_3/RegExp/regress-85721 as flaky.

This tests is flaky in debug mode (especially on mac)



Review URL: http://codereview.chromium.org/6275012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6429 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mozilla/mozilla.status

@@ -198,6 +198,9 @@ js1_5/Regress/regress-404755: PASS || FAIL
 js1_5/extensions/regress-363258: PASS || FAIL
 
 
+# Test that assumes specific runtime for a regexp, flaky in debug mode.
+ecma_3/RegExp/regress-85721: PASS || FAIL if $mode == debug
+
 
 ##################### INCOMPATIBLE TESTS #####################