RTTI bug

[Alexandre Oliva]

Philipp Tomsich writes:

> class A {};
> class B: public A {};

> B* bp = dynamic_cast<B*>(ap);

Note that A is not a polymorphic type, so the error message is correct
([expr.dynamic.cast]/6 in Nov'97 WP).  A polymorphic type is one that
contains at least one virtual member function.

-- 
Alexandre Oliva
mailto:oliva@dcc.unicamp.br mailto:aoliva@acm.org
http://www.dcc.unicamp.br/~oliva
Universidade Estadual de Campinas, SP, Brasil