ref: e1bc6c3a19ded30fb1affa8dceaeec7d5c0a0951 dir: /tests/cc/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; }