5 struct bar { struct foo a; struct foo b; };  struct
18   struct bar i = { 0 }; // no-warning  in main()
19 …struct bar j = { 0, 0 }; // expected-warning {{suggest braces around initialization of subobject}}…  in main()
20   struct bar k = { { 9, 9 }, { 9, 9 } }; // no-warning  in main()
21   struct bar l = { { 9, 9 }, { 0 } }; // no-warning  in main()
22   struct bar m = { { 0 }, { 0 } }; // no-warning  in main()
23   struct bar n = { { 0 }, { 9, 9 } }; // no-warning  in main()
24   struct bar o = { { 9 }, { 9, 9 } }; // expected-warning {{missing field 'y' initializer}}  in main()
34   i = (struct bar) { 0 }; // no-warning  in main()
35 …j = (struct bar) { 0, 0 }; // expected-warning {{suggest braces around initialization of subobject…  in main()
36   k = (struct bar) { { 9, 9 }, { 9, 9 } }; // no-warning  in main()
37   l = (struct bar) { { 9, 9 }, { 0 } }; // no-warning  in main()
38   m = (struct bar) { { 0 }, { 0 } }; // no-warning  in main()
39   n = (struct bar) { { 0 }, { 9, 9 } }; // no-warning  in main()
40   o = (struct bar) { { 9 }, { 9, 9 } }; // expected-warning {{missing field 'y' initializer}}  in main()