ref: b44a95b8fbe1a524074dfcb96ee5efb89c9a1c9a 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; }