Update.

Update.

2004-11-03  Paolo Bonzini  <bonzini@gnu.org>

	* posix/regex_internal.h (struct re_backref_cache_entry): Remove flag
	field.
	(struct re_sift_context_t): Remove cur_bkref, cls_subexp_idx,
	check_subexp fields.  Move limits last.
	* posix/regexec.c (match_ctx_clear_flag): Remove.
	(sift_ctx_init): Remove check_subexp parameter.  Do not set removed
	fields.  Callers adjusted.
	(expand_bkref_cache): Remove last_str parameter.  Callers adjusted.
	(re_search_internal): Remove fast_translate variable.
	(update_cur_sifted_state): Pass candidates as the final parameter
	to sift_states_bkref.
	(sift_states_bkref): Change last unused parameter to be "candidates",
	do not fetch candidates into a local variable.
	Remove dead test for "node == sctx->bkref", and the cur_bkref_idx
	variable.
	Remove loops that set/reset the flag field of backref cache entries.
	(check_arrival_add_next_nodes): Use a signed int to hold the return
	value of re_node_set_insert.
	(group_nodes_into_DFAstates): Likewise.
	(match_ctx_add_entry): Do not set the flag field of the new entry.