1  /* PR tree-optimization/36504 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O3 -fprefetch-loop-arrays -w" } */
       4  /* { dg-additional-options "-march=i686 -msse" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
       5  
       6  struct A { struct { int a; } b[8]; };
       7  struct B { int c; int d; };
       8  struct C { struct B d; };
       9  
      10  void bar (struct C *, int);
      11  
      12  struct B
      13  foo (struct C *p, struct A *e, int b)
      14  {
      15    struct B q;
      16    bar (p, e->b[b].a);
      17    return q;
      18  }
      19  
      20  void
      21  baz (int b, struct A *e)
      22  {
      23    struct C p;
      24    for (; b; ++b)
      25      p.d = foo (&p, e, b);
      26  }