agent/src/share/classes/sun/jvm/hotspot/code/CodeCache.java

*** 165,175 ****
  
      visitor.prologue(ptr, end);
      CodeBlob lastBlob = null;
      while (ptr != null && ptr.lessThan(end)) {
        try {
!         CodeBlob blob = findBlobUnsafe(ptr);
          if (blob != null) {
            visitor.visit(blob);
            if (blob == lastBlob) {
              throw new InternalError("saw same blob twice");
            }
--- 165,175 ----
  
      visitor.prologue(ptr, end);
      CodeBlob lastBlob = null;
      while (ptr != null && ptr.lessThan(end)) {
        try {
!         CodeBlob blob = findBlobUnsafe(heap.findStart(ptr));
          if (blob != null) {
            visitor.visit(blob);
            if (blob == lastBlob) {
              throw new InternalError("saw same blob twice");
            }