ref: 50d3a85c81eabcd5dcc9cb7f6da8380b07acf65a 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; }