* tree-eh.c (struct leh_state): Remove prev_try.

	* tree-eh.c (struct leh_state): Remove prev_try.
	(lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
	not track prev_try.
	* except.c (gen_eh_region_cleanup, duplicate_eh_regions,
	copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
	remove_eh_handler_and_replace, foreach_reachable_handler,
	verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
	* except.h (struct eh_region): Remove eh_region_u_cleanup.
	(gen_eh_region_cleanup): Update prototype.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@147318 138bc75d-0d04-0410-961f-82ee72b054a4