Bug#188943: g++-3.2: code using dynamic_cast causes segfaults when -fno-rtti is used

[Matthias Klose <doko@cs.tu-berlin.de>]

Please can you check, if the behaviour is the same with g++-3.3?

Sean Perry writes:
> Package: g++-3.2
> Version: 1:3.2.3-0pre7
> Severity: normal
> 

> Now obviously, dynamic_cast requires rtti so using -fno-rtti is
> silly.  I ran into this on a C++ project where we had been using
> -fno-rtti because rtti was not used.  A recent commit added
> dynamic_cast code and started segfaulting.  It was believed that the
> dynamic_cast was at fault and this caused some finger pointing.
> Then the no-rtti was noticed.
> 
> The compiler should give a warning (or perhaps even an error) if
> code requiring rtti is used while the -fno-rtti option is in effect.