[Bug tree-optimization/107493] [13 Regression] Wrong code at -Os on x86_64-linux-gnu

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107493

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |needs-bisection

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
self contained testcase:
int a;
int b(int c) { 
    return c; 
}
int main() {
  a = -21;
  for (; a <= 0; a = (unsigned short)(b(a + 2) + 8))
    ;
  if (a != 65525)
    __builtin_abort();
 // __builtin_printf("%d\n", a);
}