1  /* PR tree-optimization/83581 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O3 -fno-tree-copy-prop -fno-tree-loop-im" } */
       4  
       5  int a, b, c;
       6  
       7  int
       8  foo (int x)
       9  {
      10    int *d = &x;
      11    while (a < 1)
      12      {
      13        for (b = 0; b < 2; ++b)
      14          {
      15            *d += !!x + 1;
      16            d = &c;
      17          }
      18        ++a;
      19      }
      20    return *d;
      21  }