src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/runtime/DeadlockDetector.java

rev 54717 : imported patch 8223306

*** 144,157 ****
      private static ObjectHeap heap;
      private static HashMap threadTable;
  
      private static void createThreadTable() {
          threadTable = new HashMap();
!         for (JavaThread cur = threads.first(); cur != null; cur = cur.next()) {
!             // initialize dfn for each thread to -1
!             threadTable.put(cur, new Integer(-1));
!         }
      }
  
      private static int dfn(JavaThread thread) {
          Object obj = threadTable.get(thread);
          if (obj != null) {
--- 144,154 ----
      private static ObjectHeap heap;
      private static HashMap threadTable;
  
      private static void createThreadTable() {
          threadTable = new HashMap();
!         VM.getVM().getThreads().doJavaThreads((thread) -> threadTable.put(thread, new Integer(-1)));
      }
  
      private static int dfn(JavaThread thread) {
          Object obj = threadTable.get(thread);
          if (obj != null) {