Disable Mozilla date test that times out on X64 crankshaft.

BUG=1100
TEST=ecma/Date/15.9.5.10-2.js
Review URL: http://codereview.chromium.org/6246104

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6648 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

test/mozilla/mozilla.status

@@ -873,3 +873,8 @@ ecma/Expressions/11.7.3: SKIP
 ecma/Expressions/11.10-3: SKIP
 ecma/Expressions/11.7.1: SKIP
 ecma_3/RegExp/regress-209067: SKIP
+
+[ $arch == x64 ]
+
+# BUG(1100): Times out when running new crankshaft test script.
+ecma/Date/15.9.5.10-2: SKIP