Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!agate!helios.ee.lbl.gov!nosc!cod!mball
From: mball@cod.NOSC.MIL (Michael S. Ball)
Newsgroups: comp.lang.c++
Subject: Re: Virtual functions and missing constructors
Message-ID: <1525@cod.NOSC.MIL>
Date: 11 May 89 01:59:05 GMT
References: <583@hrc63.co.uk>
Reply-To: mball@cod.nosc.mil.UUCP (Michael S. Ball)
Organization: Naval Ocean Systems Center, San Diego
Lines: 21

In article <583@hrc63.co.uk> andrew@hrc63.co.uk (Andrew Haylett "Baddow") writes:
>A mysterious problem with C++: your help would be appreciated.
>
>The problem seems to be that when an instance of a derived class is
>created and the only matching constructor is in the base class, this
>constructor is used. Fair enough, but this leaves the virtual function
>pointer referring to the base class virtual function. Is this:

It's a bug, you need an update to the compiler.  I suggest you call and
get the latest version from Oregon Software.

Actually, it was an attempt to imitate a similar bug in cfront so some
existing code would work.  We eventually decided it was just a bug and the
user should fix his code.  Sorry you got caught.

Mike Ball
Taumetric Corporation
1094 Cudahy Pl. Ste 302
San Diego, CA 92110
(619)275-6381
mball@cod.nosc.mil