1  /* PR debug/42662 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-g -O2" } */
       4  
       5  struct S { unsigned long s[17]; };
       6  
       7  static inline void
       8  foo (struct S *r, struct S *a, unsigned n)
       9  {
      10    unsigned b = n / 8;
      11    r->s[0] = (b >= 1 ? : a->s[1 - b]);
      12  }
      13  
      14  static inline void
      15  bar (struct S *r, struct S *a)
      16  {
      17    r->s[0] = a->s[0] << 1;
      18  }
      19  
      20  static inline void
      21  baz (struct S *r, struct S *a, struct S *b)
      22  {
      23    unsigned c = 0;
      24    int i;
      25    for (i = 0; i < 3; ++i)
      26      {
      27        unsigned long d = a->s[i];
      28        long e = d + b->s[i];
      29        if (c)
      30  	++e == 0;
      31        c = e < d;
      32        r->s[i] = e;
      33      }
      34  }
      35  
      36  void
      37  test (struct S *r, int s, int d)
      38  {
      39    struct S u;
      40    if (s)
      41      {
      42        bar (&u, r);
      43        foo (r, r, 3);
      44        baz (r, r, &u);
      45      }
      46    u.s[0] = d;
      47    baz (r, r, &u);
      48  }