[Bug tree-optimization/79007] [7 regression] gcc.dg/tree-ssa/dse-points-to.c fails starting with r244067

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79007

--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
The pt_null thing for sure.