int foo()
{
    enum { fourty2 = 42 }
    version(X86)
    asm
    {
        naked;
        mov EAX, fourty2;
        ret;
    }
    else version(X86_64)
    asm
    {
        naked;
        mov EAX, fourty2;
        ret;
    }
    else static assert(0, "todo");
}

void main()
{
    int i = foo();
    printf("i == %d\n", i);
    assert(i == 42);
}

extern(C) int printf(char*, ...);