1  /* { dg-do compile } */
       2  /* { dg-require-stack-check "specific" } */
       3  /* { dg-options "-O2 -fstack-check=specific -fno-tree-dse -fno-tree-fre -fno-tree-loop-optimize -g" } */
       4  
       5  struct S
       6  {
       7    int w, z;
       8  };
       9  struct T
      10  {
      11    struct S s;
      12  };
      13  
      14  int i;
      15  
      16  static inline struct S
      17  bar (struct S x)
      18  {
      19    i++;
      20    return x;
      21  }
      22  
      23  int
      24  foo (struct T t, struct S s)
      25  {
      26    struct S *c = &s;
      27    if (i)
      28      c = &t.s;
      29    t.s.w = 3;
      30    s = bar (*c);
      31    return t.s.w;
      32  }