ref: 7046b7e3901844cf0f94f31b6b3d2415c783eea3 dir: /tests/execute/0018-structptr.c/
int main() { struct S { int x; int y; } s; struct S *p; p = &s; s.x = 1; p->y = 2; return p->y + p->x - 3; }