ref: 7422cf29d5bf6b0b5b8c4089e7dd0607299c4d2f dir: /tests/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; }