Re: Miscompiled vtbl

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Article #797

#797

From: A.R.Runnalls
Date: Fri, 14 Aug 1992 08:06

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In article <5@larch.ukc.ac.uk> arr@ukc.ac.UK I (A.R.Runnalls) wrote
>The following program gives the output `I'm an LR' instead of the
>correct output `I'm an LR2'.  The problem, which appears to be due to
>the virtual table for LR2 being wrongly set up, disappears if either the
>virtual destructor for class L is removed, or if a virtual destructor is
>added to class R.

Whilst these observations about virtual destructors were true for the
example program posted, inserting a virtual destructor for (the analogue
of) class R failed to cure the problem in the original program from
which the example was distilled.

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Message-ID: <6@larch.ukc.ac.uk>

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arc1-ca.pugleaf.net!sparky!uunet!munnari.oz.au!mips!mips!swrinde!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!ukc.ac.UK!arr

References: <5@larch.ukc.ac.uk>

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Path: arc1-ca.pugleaf.net!sparky!uunet!munnari.oz.au!mips!mips!swrinde!zaphod.mps.ohio-state.edu!cis.ohio-state.edu!ukc.ac.UK!arr
From: arr@ukc.ac.UK (A.R.Runnalls)
Newsgroups: gnu.g++.bug
Subject: Re: Miscompiled vtbl
Message-ID: <6@larch.ukc.ac.uk>
Date: 14 Aug 92 08:06:18 GMT
References: <5@larch.ukc.ac.uk>
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