5 struct S {  struct
6     int i1;
7     id o1;
11     } v1;
12     int i3;
13     id o3;
17 void x(id y) {}
18 void y(int a) {}
20 extern id opaque_id();
45 // FIXME: do these really have to be named L_OBJC_CLASS_NAME_xxx?  argument
104   struct S5 {  argument
141 void CFRelease(id);
142 void notifyBlock(id dependentBlock) {
160 void test_empty_block() {