Remove unused debug_str_hash_forced from dwarf2out.
* dwarf2out.c (debug_str_hash_forced): Removed.
(gen_label_for_indirect_string): Removed.
(get_debug_string_label): Removed.
(AT_string_form): Generate label directly.
(output_indirect_string): Test indirect_string_node for
DW_FORM_strp instead of checking label and refcount.
(prune_indirect_string): Removed.
(prune_unused_types): Don't check debug_str_hash_forced or
call prune_indirect_string.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@173355
138bc75d-0d04-0410-961f-
82ee72b054a4