ref: 6d3d7af1e88c1e466579c95b6538d0f2c9bebd8a 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; }