1  /* { dg-do compile } */
       2  /* { dg-options "-O -fdump-tree-fre1" } */
       3  
       4  struct S { char a[3]; char b[5]; } s = { "abc", "defg" };
       5  
       6  __SIZE_TYPE__
       7  foo (struct S s, int a, int b)
       8  {
       9    char *p = (char *) &s.a[0];
      10    if (a)
      11      p = (char *) &s.a;
      12    else if (b)
      13      p = (char *) &s;
      14    return __builtin_strlen (p);
      15  }
      16  
      17  __SIZE_TYPE__
      18  bar (int a, int b)
      19  {
      20    char *p = (char *) &s.a[0];
      21    if (a)
      22      p = (char *) &s.a;
      23    else if (b)
      24      p = (char *) &s;
      25    return __builtin_strlen (p);
      26  }
      27  
      28  /* { dg-final { scan-tree-dump-times "strlen \\\(&s" 2 "fre1" } } */