[Bug c/97578] ice during IPA pass: inline

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97578

--- Comment #2 from David Binderman <dcb314 at hotmail dot com> ---
Here is a second simpler test case:

int a;
static void b(int c) {
  if (a)
    while (c)
      b(0);
  d();
}
void e(c) { b(c); }
void f() { e(0); }