1  _Noreturn void fn1 (int) __attribute__((__visibility__("hidden")));
       2  
       3  void
       4  fn2 (void *p1)
       5  {
       6    int a[7];
       7    float *b;
       8    int c, n;
       9  
      10    if (c != p1) /* { dg-warning "comparison between pointer and integer" } */
      11      fn1 (1);
      12  
      13    n = 0;
      14    for (; c; n++)
      15      {
      16        int d;
      17        if (a[n] != d)
      18  	fn1(n);
      19      }
      20  
      21    b = p1;
      22  
      23    while (1)
      24      {
      25        *b = 3.40282347e38f;
      26        if (a[0])
      27  	return;
      28      }
      29  }