void setn(int* pn)
{
    *pn = 20;
}
void test()
{
    int n = 0;
    auto pn = &n;
    *pn = 10;
    assert(n == 10);
    setn(&n);
}
static assert({ test(); return true; }());

----
Output:

test.d(3): Error: cannot dereference invalid pointer *pn
test.d(11):        called from here: setn(& n)
test.d(13):        called from here: test()
test.d(13):        called from here: delegate @system bool()
{
test();
return true;
}
()
test.d(13): Error: static assert  (delegate @system bool()
{
test();
return true;
}
()) is not evaluatable at compile time