ref: 9f947ff3f1e8e418d43e9f201d2f293d3187a3a0 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; }