tree-ssa-pre.c (need_eh_cleanup, [...]): Move inside...

tree-ssa-pre.c (need_eh_cleanup, [...]): Move inside...

2017-10-25  Richard Biener  <rguenther@suse.de>

	* tree-ssa-pre.c (need_eh_cleanup, need_ab_cleanup, el_to_remove,
	el_to_fixup, el_todo, el_avail, el_avail_stack, eliminate_avail,
	eliminate_push_avail, eliminate_insert): Move inside...
	(class eliminate_dom_walker): ... this class in preparation
	of move.
	(fini_eliminate): Remove by merging with ...
	(eliminate): ... this function.  Adjust for class changes.
	(pass_pre::execute): Remove fini_eliminate call.
	(pass_fre::execute): Likewise.

From-SVN: r254068