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

static void test_safe(void)
{
        int __safe obj, *ptr;
        typeof(obj) var = obj;
        typeof(ptr) ptr2 = ptr;
        typeof(*ptr) var2 = obj;
        typeof(*ptr) *ptr3 = ptr;
        typeof(obj) *ptr4 = ptr;
        obj = obj;
        ptr = ptr;
        ptr = &obj;
        obj = *ptr;
}

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