src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/utilities/HeapHprofBinWriter.java

rev 54717 : imported patch 8223306

*** 706,717 ****
          out.writeInt(0);                    // frame count
  
          int frameSerialNum = 0;
          int numThreads = 0;
          Threads threads = VM.getVM().getThreads();
! 
!         for (JavaThread thread = threads.first(); thread != null; thread = thread.next()) {
              Oop threadObj = thread.getThreadObj();
              if (threadObj != null && !thread.isExiting() && !thread.isHiddenFromExternalView()) {
  
                  // dump thread stack trace
                  ThreadStackTrace st = new ThreadStackTrace(thread);
--- 706,717 ----
          out.writeInt(0);                    // frame count
  
          int frameSerialNum = 0;
          int numThreads = 0;
          Threads threads = VM.getVM().getThreads();
!         for (int i = 0; i < threads.getNumberOfThreads(); i++) {
!             JavaThread thread = threads.getJavaThreadAt(i);
              Oop threadObj = thread.getThreadObj();
              if (threadObj != null && !thread.isExiting() && !thread.isHiddenFromExternalView()) {
  
                  // dump thread stack trace
                  ThreadStackTrace st = new ThreadStackTrace(thread);