ref: 9df23af867a4a59f14bc0d2903bf4dfc686bfa9a dir: /tests/0038-ptradd.c/
int main() { int x[2]; int *p; x[1] = 7; p = &x[0]; p = p + 1; if(*p != 7) return 1; if(&x[1] - &x[0] != 1) return 1; return 0; }