root/usr/src/tools/smatch/src/validation/typeof-noderef.c
#define __noderef       __attribute__((noderef))

static void test_noderef(void)
{
        int __noderef obj, *ptr;
        typeof(ptr) ptr2 = ptr;
        typeof(*ptr) *ptr3 = ptr;
        typeof(obj) *ptr4 = ptr;
        ptr = ptr;
        ptr = &obj;
}

/*
 * check-name: typeof-noderef
 * check-known-to-fail
 *
 * check-error-start
 * check-error-end
 */