src/hotspot/share/opto/callnode.cpp

*** 847,856 ****
--- 847,857 ----
    }
    return false;
  }
  
  bool CallNode::has_debug_use(Node *n) {
+   assert(jvms() != NULL, "jvms should not be null");
    for (uint i = jvms()->debug_start(); i < jvms()->debug_end(); i++) {
      Node *arg = in(i);
      if (arg == n) {
        return true;
      }