[lug] g++ question: dynamic casts?

[Tom Tromey]

>>>>> "Scott" == Scott A Herod <herod at interact-tv.com> writes:

Scott> I know there are some g++ experts around.  I've got code that
Scott> uses dynamic casts on objects retrieved from a library.  The
Scott> library was built with gcc 2.95.2.  My code is built with 2.96.
Scott> The dynamic cast dies; not returns null but dies.  A static
Scott> cast works and if I build with 2.95.2 the dynamic cast works.

Scott>   Should I be surprised and upset?

No.  These releases aren't binary compatible.  That is, the C++ ABI
changed.

Tom