anchor.diff:  wait_dynamic_children(_Child, _Pids, 0, TRef, EStack) ->
   	%% If the timer has expired before its cancellation, we must empty the
   	%% mail-box of the 'timeout'-message.
  -    erlang:cancel_timer(TRef),
  +    _ = erlang:cancel_timer(TRef),
       receive
           {timeout, TRef, kill} ->
               EStack
  
positive.code: 		{offender, extract_child(Child)}],
      error_logger:error_report(supervisor_report, ErrorMsg).
  
  
  extract_child(Child) when is_pid(Child#child.pid) ->
      [{pid, Child#child.pid},
       {name, Child#child.name},
       {mfargs, Child#child.mfargs},
       {restart_type, Child#child.restart_type},
       {shutdown, Child#child.shutdown},
       {child_type, Child#child.child_type}];
  extract_child(Child) ->
      [{nb_children, length(Child#child.pid)},
       {name, Child#child.name},
       {mfargs, Child#child.mfargs},
       {restart_type, Child#child.restart_type},
  
negative.code: %%--------------------------------------------------------------------------
  
  -record(child, {% pid is undefined when child is not running
  	        pid = undefined :: child() | [pid()],
  		name,
  		mfargs          :: mfargs(),
  		restart_type    :: restart(),
  