[Bug fortran/86945] [8/9 Regression] BUG with optimisation of select case statement in gfortran

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86945

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
C testcase:

void __attribute__((noinline,noipa))
foo(int id)
{
  switch (id)
    {
    case (-__INT_MAX__ - 1)...-1:
      __builtin_abort ();
    default:;
    }
}

int main()
{
  foo(1);
  return 0;
}