[Bug tree-optimization/127628] [15/16/17 Regression] wrong code at -O{2,3} with "-fno-tree-ccp -fno-inline -fno-tree-pre -fno-tree-vrp" on x86_64-linux-gnu

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127628

--- Comment #2 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 65698
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65698&action=edit
Second step; remove all of the un-needed calls to ad (checksum)