[Bug tree-optimization/105462] ice in set_range_info_raw, at tree-ssanames.cc:356

[dcb314 at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105462

--- Comment #1 from David Binderman <dcb314 at hotmail dot com> ---
Reduced C code is

int mpfr_atan_aux_r;
void mpfr_atan() {
  2 * mpfr_atan_aux_r > mpfr_atan_aux_r ?: __builtin_unreachable();
  mpfr_atan_aux_r = 2 * mpfr_atan_aux_r;
}