[Bug tree-optimization/81184] [8 regression] gcc.dg/pr21643.c and gcc.dg/tree-ssa/phi-opt-11.c fail starting with r249450

[seurer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81184

--- Comment #11 from seurer at gcc dot gnu.org ---
I dug through my logs and the last failures I saw for phi-opt-11.c and
pr21643.c on powerpc64 were in mid January immediately before Eric's patch.