[LLVMdev] bug in ilist_node::getPrevNode() ?

[Reid Kleckner]

I tripped over that also, it seems like a bug to me.


On Thu, Jul 10, 2014 at 5:59 AM, Erik Eckstein <eeckstein at apple.com> wrote:

> Hi all,
>
> I stumbled over a problem in ilist_node::getPrevNode(). It crashes when
> invoked for the first element in a list.
> It's because the Prev pointer of a first list element does not point to
> the sentinel  but is just null.
>
> First question: Is this really a bug or am I doing something wrong?
> Second question: If it is a bug, what should be the correct behaviour?
> Either change insert() to let Prev of the first element really point to the
> sentinel or just change getPrevNode()?
>
> I don't really need getPrevNode() because I can also use iterators but if
> this is really a bug, I think it should be fixed.
>
> Thanks,
> Erik
>
>
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