set different [on|off|nostack]
Set to make sure
step moves to a new position. If "on", "off", or "nostack" is not given, "on" is assumed.
A line can contain many possible stopping points. Inside a debugger, it is sometimes desirable to continue but stop only when the position next changes.
different to on will cause each
next command to stop at a different position.
Note though that the notion of different does take into account stack nesting.