scc

 1struct S {int a; int b;};
 2struct S arr[2] = {[1] = {3, 4}, [0] = {1, 2}};
 3
 4int
 5main()
 6{
 7	if(arr[0].a != 1)
 8		return 1;
 9	if(arr[0].b != 2)
10		return 2;
11	if(arr[1].a != 3)
12		return 3;
13	if(arr[1].b != 4)
14		return 4;
15	return 0;
16}