Status: vtable thunks for base classes bug.

[Jason Merrill]

>>>>> Martin v Loewis <martin@mira.isdn.cs.tu-berlin.de> writes:

 > In the next step, I will try to modify the constructors to pass these
 > tables around, and iterate through them. There will be a limited form
 > of backwards-compatibility: the old constructor will wrap around the
 > new one, so calls to the old constructor will succeed (at the cost of
 > additionl parameter copies).

You can use current_function_is_thunk to avoid the additional copies.

Other nits:

Please use NULL_TREE instead of 0 where appropriate.

Please describe in the function comments what the parameters mean.

More later.

Jason