--- old/src/share/vm/runtime/globals.hpp	2016-06-23 12:29:41.627519625 -0700
+++ new/src/share/vm/runtime/globals.hpp	2016-06-23 12:29:41.499519629 -0700
@@ -1539,6 +1539,10 @@
           "Dynamically choose the number of parallel threads "              \
           "parallel gc will use")                                           \
                                                                             \
+  diagnostic(bool, InjectGCWorkerCreationFailure, false,                    \
+             "Inject thread creation failures for "                         \
+             "UseDynamicNumberOfGCThreads")                                 \
+                                                                            \
   diagnostic(bool, ForceDynamicNumberOfGCThreads, false,                    \
           "Force dynamic selection of the number of "                       \
           "parallel threads parallel gc will use to aid debugging")         \