2018-02-01 Richard Biener <rguenther@suse.de>
* domwalk.h (dom_walker::dom_walker): Add additional constructor
for specifying RPO order and allow NULL for that.
* domwalk.c (dom_walker::dom_walker): Likewise.
(dom_walker::walk): Handle NULL RPO order.
* tree-into-ssa.c (rewrite_dom_walker): Do not walk dom children
in RPO order.
(rewrite_update_dom_walker): Likewise.
(mark_def_dom_walker): Likewise.
* gcc.dg/graphite/pr35356-1.c: Adjust.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@257293 138bc75d-0d04-0410-961f-82ee72b054a4