void f() {
  unsigned iadd_eq = 0U;
  iadd_eq += 1U;
  unsigned isub_eq = 0U;
  isub_eq -= 1U;
  unsigned imul_eq = 0U;
  imul_eq *= 1U;
  unsigned idiv_eq = 0U;
  idiv_eq /= 1U;
  unsigned iand_eq = 0U;
  iand_eq &= 1U;
  unsigned ixor_eq = 0U;
  ixor_eq ^= 1U;
  unsigned ilsh_eq = 0U;
  ilsh_eq <<= 1U;
  unsigned irsh_eq = 0U;
  irsh_eq >>= 1U;
}