--- old/src/share/vm/runtime/globals.hpp	Wed Dec 23 09:14:36 2015
+++ new/src/share/vm/runtime/globals.hpp	Wed Dec 23 09:14:34 2015
@@ -2341,6 +2341,14 @@
   diagnostic(bool, VerifyDuringGC, false,                                   \
           "Verify memory system during GC (between phases)")                \
                                                                             \
+  diagnostic(ccstrlist, VerifySubSet, "",                                   \
+          "Memory sub-systems to verify when Verify*GC flag(s)              \
+           are enabled. One or more sub-systems can be specified            \
+           in a comma separated string. Sub-systems are:                    \
+           threads, heap, symbol_table, string_table, codecache,            \
+           dictionary, classloader_data_graph, metaspace, jni_handles,      \
+           c-heap, codecache_oops")                                         \
+                                                                            \
   diagnostic(bool, GCParallelVerificationEnabled, true,                     \
           "Enable parallel memory system verification")                     \
                                                                             \