--- old/src/share/vm/runtime/arguments.cpp	2014-03-14 19:53:03.216632506 +0100
+++ new/src/share/vm/runtime/arguments.cpp	2014-03-14 19:53:03.077538512 +0100
@@ -2245,6 +2245,10 @@
                                        "G1ConcRSHotCardLimit");
     status = status && verify_interval(G1ConcRSLogCacheSize, 0, 31,
                                        "G1ConcRSLogCacheSize");
+    if (UseStringDeduplication) {
+      status = status && verify_interval(StringDeduplicationAgeThreshold, 1, markOopDesc::max_age,
+                                         "StringDeduplicationAgeThreshold");
+    }
   }
   if (UseConcMarkSweepGC) {
     status = status && verify_min_value(CMSOldPLABNumRefills, 1, "CMSOldPLABNumRefills");