[Bug tree-optimization/67955] tree-dse does not use pointer info

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67955

--- Comment #8 from vries at gcc dot gnu.org ---
Created attachment 36515
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36515&action=edit
Reporting follow-up patch