1  /* { dg-do compile } */
       2  /* { dg-options "-Wmissing-braces -Wmissing-field-initializers" } */
       3  
       4  struct a {
       5    int x, y, z;
       6  };
       7  
       8  struct b {
       9    struct a w, z;
      10  };
      11  
      12  int main (void)
      13  {
      14    struct a az = { 0 };
      15    struct a anz = { 1 };   /* { dg-warning "missing initializer for" } */
      16    struct a aez = { 0, 0 };   /* { dg-warning "missing initializer for" } */
      17  
      18    struct b bz = { 0 };
      19    struct b bnz = { 0, 0, 0, 0, 0, 0 };  /* { dg-warning "missing braces" }  */
      20  
      21    return 0;
      22  }