ref: eba17d80d42e07d4eb9176c66d1bbb3ee39e8d81 dir: /tests/execute/0076-ptrsubasn.c/
int main() { int arr[2]; int *p; p = &arr[1]; p -= 1; *p = 123; if(arr[0] != 123) return 1; return 0; }