ref: 61d8ab34d1ccd7ffdc3fd0e3fe73bf1a87bf0af6 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; }