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Re: dynamic_cast and MI
- To: hjl at lucon dot org (H.J. Lu)
- Subject: Re: dynamic_cast and MI
- From: Alexandre Oliva <oliva at dcc dot unicamp dot br>
- Date: 29 May 1998 03:40:26 -0300
- Cc: jason at cygnus dot com, egcs at cygnus dot com
- References: <m0yfADX-000268C@ocean.lucon.org>
H J Lu <hjl@lucon.org> writes:
> There is a dynamic_cast/MI bug in rtti.c. For code like
> S0 *ctxt1 = static_cast<S0*>(ctxt);
> S1* ctxt2 = dynamic_cast<S1*>(ctxt1);
This is not a bug. When ctxt is void*, static_cast will just believe
ctxt points to the beginning of a S0 object, which is not the case in
your example.
--
Alexandre Oliva
mailto:oliva@dcc.unicamp.br mailto:aoliva@acm.org
http://www.dcc.unicamp.br/~oliva
Universidade Estadual de Campinas, SP, Brasil