src/hotspot/share/opto/loopopts.cpp

*** 1034,1044 ****
      : u_loop->_head->as_Loop()->skip_strip_mined()->in(LoopNode::EntryControl);
  }
  
  
  bool PhaseIdealLoop::identical_backtoback_ifs(Node *n) {
!   if (!n->is_If()) {
      return false;
    }
    if (!n->in(0)->is_Region()) {
      return false;
    }
--- 1034,1044 ----
      : u_loop->_head->as_Loop()->skip_strip_mined()->in(LoopNode::EntryControl);
  }
  
  
  bool PhaseIdealLoop::identical_backtoback_ifs(Node *n) {
!   if (!n->is_If() || n->is_CountedLoopEnd()) {
      return false;
    }
    if (!n->in(0)->is_Region()) {
      return false;
    }