ref: 81b6d6367c1c9c957ca910e5f8b5fb70adfa9c21 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; }