void abort(void);
void exit(int);

struct rtx_def {
    int code;
};

int main(void) {
    int tmp[2];
    struct rtx_def *r, s;
    int *p, *q;

    /* The alias analyzer was creating the same memory tag for r, p and q
     because 'struct rtx_def *' is type-compatible with 'int *'.  However,
     the alias set of 'int[2]' is not the same as 'int *', so variable
     'tmp' was deemed not aliased with anything.  */
    r = &s;
    r->code = 39;

    /* If 'r' wasn't declared, then q and tmp would have had the same memory
     tag.  */
    p = tmp;
    q = p + 1;
    *q = 0;
    tmp[1] = 39;
    if (*q != 39)
        abort();
    exit(0);
}
