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Re: Goops & Valgrind

From: Neil Jerram
Subject: Re: Goops & Valgrind
Date: Tue, 16 Sep 2008 10:29:17 +0100

2008/9/16 Mikael Djurfeldt <address@hidden>:
> 2008/9/11 Neil Jerram <address@hidden>:
>> Also, is Mikael right with his error #1?  I'm thinking not, because I
>> believe that instances are structs too, so surely it's OK to call
>> SCM_STRUCT_DATA (x)[...] on them?
> It is good that you are sceptical about what I say because it was a
> long time ago that I was well oriented in this code.  However, the
> problem here is not whether SCM_STRUCT_DATA is operating on the right
> type of object.  The real problem is that it is looking after
> information which is not stored in an instance.  Furthermore, it is
> stored in the class object at a location with a negative offset.
> Instances don't have any slots with negative offset.

Agreed, I understand that now, and I think my latest code suggestion
already takes it into account.


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