src/hotspot/share/opto/chaitin.cpp

*** 2227,2236 ****
--- 2227,2239 ----
      for( j = 0; j < argcnt; j++) {
        if( _matcher._parm_regs[j].first() == reg ||
            _matcher._parm_regs[j].second() == reg ) {
          tty->print("parm %d: ",j);
          domain->field_at(j + TypeFunc::Parms)->dump();
+         if (j == C->get_res_entry()._offset) {
+           tty->print(" [RESERVED] ");
+         }
          tty->cr();
          break;
        }
      }
      if( j >= argcnt )