[Bug middle-end/117841] Miscompile with -O3 and -O0/1/2

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117841

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
  _83 = (sizetype) &k;
  _84 = (sizetype) &MEM <char[11]> [(void *)&b + 2B];
  _85 = _83 + _84;
  _86 = (sizetype) &b;
  _87 = _85 - _86;
  g_88 = (char *) _87;
  *g_88 = 0;
  _90 = g_88 - &k;
  _91 = (unsigned int) _90;
  _92 = _91 + 4294967295;
  _93 = (int) _92;
  k ={v} {CLOBBER(eos)};
  if (_93 <= 4)
    goto <bb 3>; [83.33%]
  else
    goto <bb 8>; [16.67%]

  <bb 3> [local count: 98422396]:
  r[0] = &d;
  *g_88 = 0;
  k ={v} {CLOBBER(eos)};
  _120 = (int) _90;
  if (_120 <= 4)
    goto <bb 4>; [83.33%]
  else
    goto <bb 8>; [16.67%]

  <bb 4> [local count: 82015383]:
  *g_88 = 0;
  k ={v} {CLOBBER(eos)};