--- old/src/hotspot/share/runtime/threadSMR.cpp	Tue Nov 21 14:45:02 2017
+++ new/src/hotspot/share/runtime/threadSMR.cpp	Tue Nov 21 14:45:01 2017
@@ -29,7 +29,7 @@
 #include "services/threadService.hpp"
 
 // 'entries + 1' so we always have at least one entry.
-ThreadsList::ThreadsList(int entries) : _length(entries), _threads(NEW_C_HEAP_ARRAY(JavaThread*, entries + 1, mtGC)), _next_list(NULL) {
+ThreadsList::ThreadsList(int entries) : _length(entries), _threads(NEW_C_HEAP_ARRAY(JavaThread*, entries + 1, mtThread)), _next_list(NULL) {
   *(JavaThread**)(_threads + entries) = NULL;  // Make sure the extra entry is NULL.
 }