re PR fortran/41579 ([OOP] Nesting of SELECT TYPE)

2009-10-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41579
	* gfortran.h (gfc_select_type_stack): New struct, to be used as a stack
	for SELECT TYPE statements.
	(select_type_stack): New global variable.
	(type_selector,select_type_tmp): Removed.
	* match.c (type_selector,type_selector): Removed.
	(select_type_stack): New variable, serving as a stack for
	SELECT TYPE statements.
	(select_type_push,select_type_set_tmp): New functions.
	(gfc_match_select_type): Call select_type_push.
	(gfc_match_type_is): Call select_type_set_tmp.
	* parse.c (select_type_pop): New function.
	(parse_select_type_block): Call select_type_pop.
	* symbol.c (select_type_insert_tmp): New function.
	(gfc_find_sym_tree): Call select_type_insert_tmp.


2009-10-09  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41579
	* gfortran.dg/select_type_6.f03: New test.

From-SVN: r152600