1  /* PR101838 */
       2  /* { dg-do run } */
       3  /* { dg-options "-Wpedantic -O0" } */
       4  /* { dg-require-effective-target alloca } */
       5  
       6  
       7  int bar0(
       8  	int (*a)[*],
       9  	int (*b)[sizeof(*a)]
      10  );
      11  
      12  
      13  int bar(
      14  	struct f { 		/* { dg-warning "will not be visible outside of this definition" } */
      15  		int a[*]; } v,	/* { dg-warning "variably modified type" } */
      16  	int (*b)[sizeof(struct f)]	// should not warn about zero size
      17  );
      18  
      19  int foo(void)
      20  {
      21  	int n = 0;
      22  	return sizeof(typeof(*({ n = 10; struct foo { 	/* { dg-warning "braced-groups" } */
      23  					int x[n]; 	/* { dg-warning "variably modified type" } */
      24  	} x; &x; })));
      25  }
      26  
      27  
      28  int main()
      29  {
      30  	if (sizeof(struct foo { int x[10]; }) != foo())
      31  		__builtin_abort();
      32  
      33  	return 0;
      34  }