re PR tree-optimization/89595 (DOM miscompiles code)
2019-03-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/89595
* tree-ssa-dom.c (dom_opt_dom_walker::optimize_stmt): Take
stmt iterator as reference, take boolean output parameter to
indicate whether the stmt was removed and thus the iterator
already advanced.
(dom_opt_dom_walker::before_dom_children): Re-iterate over
stmts created by folding.