1  /* PR tree-optimization/69172 - ICE in make_ssa_name_fn,
       2     at tree-ssanames.c:266 */
       3  /* { dg-do compile } */
       4  /* { dg-options "-O2" } */
       5  
       6  int a;
       7  
       8  void *
       9  f1 (void)
      10  {
      11    int *b = &a, *c = &a;
      12    return __builtin___mempcpy_chk (b, c, sizeof (int), 0);
      13  }
      14  
      15  void *
      16  f2 (void)
      17  {
      18    int *b = &a;
      19    return __builtin___mempcpy_chk (b, b, sizeof (int), 0);
      20  }
      21  
      22  void *
      23  f3 (void)
      24  {
      25    return __builtin___mempcpy_chk (&a, &a, sizeof (int), 0);
      26  }
      27  
      28  void *
      29  f4 (int x)
      30  {
      31    int *b = &a, *c = &a;
      32    return __builtin___mempcpy_chk (b, c, x, 0);
      33  }
      34  
      35  void *
      36  f5 (int x)
      37  {
      38    int *b = &a;
      39    return __builtin___mempcpy_chk (b, b, x, 0);
      40  }
      41  
      42  void *
      43  f6 (int x)
      44  {
      45    return __builtin___mempcpy_chk (&a, &a, x, 0);
      46  }
      47  
      48  /* The calls above violate strict aliasing.  Eliminate the -Wrestrict
      49     warnings they trigger.
      50    { dg-prune-output "\\\[-Wrestrict]" } */