gcc/testsuite/gcc.dg/ipa/pr98222.c

/* { dg-do compile } */
/* { dg-options "-O3"  } */

int a, b, *c;

int f (int j, int k) {
  b = k / j;
  if (a)
    f(0, 0);
  *c = f(b & a, 0);
  return 0;
}

int main() {
  if (a)
    while (1)
      f(0, 0);
  return 0;
}