add darwin:
$ hg diff test/java/lang/ClassLoader/deadlock/TestCrossDelegate.sh
diff -r d4a63859633c test/java/lang/ClassLoader/deadlock/TestCrossDelegate.sh
--- a/test/java/lang/ClassLoader/deadlock/TestCrossDelegate.sh Wed Jun 15 11:49:10 2011 -0700
+++ b/test/java/lang/ClassLoader/deadlock/TestCrossDelegate.sh Mon Jul 04 02:05:54 2011 -0700
@@ -51,6 +51,9 @@
   Linux )
     FS="/"
     ;;
+ Darwin )
+ FS="/"
+ ;;
   Windows*)
     FS="\\"
     ;;