(gdb) frame 1
#1  0x00007f174ca9bcbd in Interp::_execute (this=this@entry=0x1fac340,
    command=<optimized out>) at emc/rs274ngc/rs274ngc_pre.cc:347
347	      CHP(store_named_param(&_setup, _setup.named_parameters[n],
(gdb) list
342	  //          _setup.named_parameter_occurrence);
343	  for (n = 0; n < _setup.named_parameter_occurrence; n++)
344	  {  // copy parameter settings from parameter buffer into parameter table
345
346	      logDebug("storing param:|%s|", _setup.named_parameters[n]);
347	      CHP(store_named_param(&_setup, _setup.named_parameters[n],
348	                          _setup.named_parameter_values[n]));
349	  }
350	  _setup.named_parameter_occurrence = 0;
351
(gdb) p n
$6 = 0
(gdb) p _setup.named_parameter_occurrence
$7 = 42691920
(gdb) p _setup.named_parameters[0]
$8 = 0x0