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Re: Ponie hangs on debugger startup

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From:
Nicholas Clark
Date:
July 25, 2005 09:44
Subject:
Re: Ponie hangs on debugger startup
Message ID:
20050725164415.GN15833@plum.flirble.org
On Mon, Jul 25, 2005 at 03:40:15PM +0100, Nicholas Clark wrote:

> I don't know why this is happening, but somehow it ends up calling
> 
> Perl_sv_undef_flags with this:
> 
> SV = PV(0x86c83f0) at 0xf795a987 [Perl5PV]
>   REFCNT = 1
>   FLAGS = (ROK)
>   RV = 0x0
> 
> which I *think* is illegal. (ROK on, but SvRV being NULL)
> 
> I've not worked out why this is happening yet.

Should be fixed by change 336

It seems to be caused by the debugger exercising sv_replace with particular
types of SVs that no regression test ever managed.

Nicholas Clark

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