1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  /* { dg-final { scan-assembler " = \\\[\[PI\].\\+\\+\\\];" } } */
       4  extern int x[];
       5  extern void bar();
       6  int foo ()
       7  {
       8    int i;
       9    int sum = 0;
      10    for (i = 0; i < 100; i++) {
      11      sum += x[i];
      12      if (sum & 1)
      13        sum *= sum;
      14    }
      15    return sum;
      16  }