ref: c1b4b8354a76cc8c9aa13757e8b3db8d1b5a7c39 dir: /tests/cc/execute/0024-typedefstruct.c/
typedef struct { int x; int y; } s; s v; int main() { v.x = 1; v.y = 2; return 3 - v.x - v.y; }