2008-05-03 Jerry DeLisle <jvdelisle@gcc.gnu.org>

2008-05-03  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/33268
	* gfortran.h: Add extra_comma pointer to gfc_dt structure. Add iokind to
	gfc_expr value union. Add io_kind enum to here from io.c.
	* io.c (gfc_free_dt): Free extra_comma.
	(gfc_resolve_dt): If an extra comma was encountered and io_unit is type
	BT_CHARACTER, resolve to format_expr and set default unit.  Error if
	io_kind is M_WRITE. (match_io):  Match the extra comma and set new
	pointer, extra_comma.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@134900 138bc75d-0d04-0410-961f-82ee72b054a4