re PR fortran/46971 ([OOP] ICE on long class names)

re PR fortran/46971 ([OOP] ICE on long class names)

2010-12-31  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/46971
	* gfortran.h (gfc_hash_value): Add prototype.
	* class.c (get_unique_type_string): Check if proc_name is present and
	make sure string contains an underscore.
	(get_unique_hashed_string): New function which creates a hashed string
	if the given unique string is too long.
	(gfc_hash_value): Moved here from decl.c, renamed and simplified.
	(gfc_build_class_symbol, gfc_find_derived_vtab): Use hashed strings.
	* decl.c (hash_value): Moved to class.c.
	(gfc_match_derived_decl): Renamed 'hash_value'.

2010-12-31  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/46971
	* gfortran.dg/class_33.f90: New.

From-SVN: r168363