https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88854
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> --- Causes FAIL: gcc.dg/tree-ssa/ssa-pre-30.c scan-tree-dump-times pre "Replaced MEM" 2 the extra entry somehow confuses PRE (AVAIL compute I guess).
