template Magic()
{
    int magic;
}

struct Item
{
    mixin Magic A;
}

struct Foo(alias S)
{
}

void main()
{
    Item* i1 = new Item;
    Item* i2 = new Item;

    Foo!(Item.A) bar; // comment-out this line for a successful run

    assert(i2.A.magic == 0);
    i1.A.magic = 42;
    assert(i2.A.magic == 0);
}

core.exception.AssertError@test.d(24): Assertion failure