ref: 0b360327c6f4f4c79d8872c4b2dc486aba378f6d dir: /tests/cc/execute/0045-struct.c/
struct T; struct T { int x; }; int main() { struct T v; { struct T { int z; }; } v.x = 2; if(v.x != 2) return 1; return 0; }