ref: 4f219193c028b5e3b35d7317c2ead65b0f721b5e 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; }