1  /* PR debug/46799 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O -ftree-parallelize-loops=2 -fno-tree-dce -ftree-pre -fcompare-debug" } */
       4  /* { dg-xfail-if "compare-debug failure" { powerpc-ibm-aix* } } */
       5  
       6  int
       7  foo (int i, int *a)
       8  {
       9    int e;
      10    for (; i; i++)
      11      e = *a;
      12    return e;
      13  }