[Bug tree-optimization/70604] switch statement optimization creates dead code

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70604

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
  target_get_sess_cmd (_43, 1);
  _534 = _2 + 255;
  if (_534 <= 6)
    goto <bb 191>; [100.00%]
  else
    goto <bb 208>; [0.00%]

...

  <bb 208> [count: 0]:
  _44 = (int) _2;
  printk ("\x013Unknown iSCSI TMR Function: 0x%02x\n", _44);
  iscsit_add_reject_from_cmd.isra (cmd_208(D), 10, 1, buf_194(D));
  goto <bb 163>; [0.00%]


is what we get on the trunk now ...