Hi:
I write code like this
```D
class Base
{
int base;
}
class CC :Base
{
int cc;
}
auto cc = new CC;
//I want check cc object type is CC
if (typeid(cc) == typeid(CC)) // ok ==
if (cc.classinfo == AstAssignNode) //error
if (cc.classinfo == AstAssignNode.classinfo) // ok ==
```
