ref: 04f9a41d5d31d47cbdadc71b4637f19e880f94e2 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; }