Add _d_newarrayvT and _d_newarraymvT to create arrays without initialization. Adjust DtoNewDynArray to use DtoArrayInit for initialization of new arrays. Make Type::tvoid->defaultInit() not error.

module bug74;

char[] sformat(char[] s, ...)
{
    TypeInfo[] ti = _arguments;
    void* args = _argptr;
    return "";
}

void main()
{
}