* stabs.c (struct stab_handle): Add bincl_list field.

	* stabs.c (struct stab_handle): Add bincl_list field.
	(parse_stab): Pass value to push_bincl.  Call find_excl for
	N_EXCL.
	(struct bincl_file): Add hash, file and file_types fields.
	(push_bincl): Add hash parameter.  Save it in the new hash field.
	Save the file number in the new file field.
	(pop_bincl): Put the bincl_file on bincl_list, rather than freeing
	it.  Save the file types in the new file_types field.
	(find_excl): New static function.
PR 10980.