src/share/vm/opto/split_if.cpp

rev 10071 : 8147645: get_ctrl_no_update() code is wrong
Summary: Array.fill intrinsification code doesn't mark replaced control as dead
Reviewed-by:

*** 470,480 ****
      if( get_loop(iff)->tail() == ifp )
        get_loop(iff)->_tail = ifpx;
  
      // Replace in the graph with lazy-update mechanism
      new_iff->set_req(0, new_iff); // hook self so it does not go dead
!     lazy_replace_proj( ifp, ifpx );
      new_iff->set_req(0, region);
  
      // Record bits for later xforms
      if( ifp->Opcode() == Op_IfFalse ) {
        old_false = ifp;
--- 470,480 ----
      if( get_loop(iff)->tail() == ifp )
        get_loop(iff)->_tail = ifpx;
  
      // Replace in the graph with lazy-update mechanism
      new_iff->set_req(0, new_iff); // hook self so it does not go dead
!     lazy_replace(ifp, ifpx);
      new_iff->set_req(0, region);
  
      // Record bits for later xforms
      if( ifp->Opcode() == Op_IfFalse ) {
        old_false = ifp;