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          --- old/src/share/vm/runtime/globals.hpp
          +++ new/src/share/vm/runtime/globals.hpp
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2252 2252                                                                              \
2253 2253    diagnostic(bool, VerifyBeforeGC, false,                                   \
2254 2254            "Verify memory system before GC")                                 \
2255 2255                                                                              \
2256 2256    diagnostic(bool, VerifyAfterGC, false,                                    \
2257 2257            "Verify memory system after GC")                                  \
2258 2258                                                                              \
2259 2259    diagnostic(bool, VerifyDuringGC, false,                                   \
2260 2260            "Verify memory system during GC (between phases)")                \
2261 2261                                                                              \
     2262 +  diagnostic(ccstrlist, VerifySubSet, "",                                   \
     2263 +          "Memory sub-systems to verify when Verify*GC flag(s) "            \
     2264 +          "are enabled. One or more sub-systems can be specified "          \
     2265 +          "in a comma separated string. Sub-systems are: "                  \
     2266 +          "threads, heap, symbol_table, string_table, codecache, "          \
     2267 +          "dictionary, classloader_data_graph, metaspace, jni_handles, "    \
     2268 +          "c-heap, codecache_oops")                                         \
     2269 +                                                                            \
2262 2270    diagnostic(bool, GCParallelVerificationEnabled, true,                     \
2263 2271            "Enable parallel memory system verification")                     \
2264 2272                                                                              \
2265 2273    diagnostic(bool, DeferInitialCardMark, false,                             \
2266 2274            "When +ReduceInitialCardMarks, explicitly defer any that "        \
2267 2275            "may arise from new_pre_store_barrier")                           \
2268 2276                                                                              \
2269 2277    diagnostic(bool, VerifyRememberedSets, false,                             \
2270 2278            "Verify GC remembered sets")                                      \
2271 2279                                                                              \
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