PR debug/41371
	* var-tracking.c (values_to_unmark): New variable.
	(find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
	values_to_unmark vector.  Moved body to...
	(find_loc_in_1pdv_1): ... this.  Don't clear VALUE_RECURSED_INTO,
	instead queue it into values_to_unmark vector.
	(vt_find_locations): Free values_to_unmark vector.

From-SVN: r155858