Template instantiation of pure virtual method

[Martin v. Loewis]

> Clearly the above testcase is not valid c++ code, but I'm guessing
> that an internal compiler error is overkill.

Thanks for your bug report. The mainline compiler (2.96 20000302
(experimental)) compiles this without problems, so the bug appears to
be fixed. Please note that it is not an error to implement a pure
virtual function.

Regards,
Martin