scc

 1struct T;
 2
 3struct T {
 4	int x;
 5};
 6
 7int
 8main()
 9{
10	struct T v;
11	{ struct T { int z; }; }
12	v.x = 2;
13	if(v.x != 2)
14		return 1;
15	return 0;
16}