[Bug c/111319] Wrong code at -O2 on x86_64-linux-gnu

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111319

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---

  int *h = g;
  h--;

is undefined right away ...