Hi,

Robert Bradshaw wrote:
> On Jan 17, 2009, at 4:41 AM, Stefan Behnel wrote:
> 
>> Robert Bradshaw wrote:
>>> It seems there's a bug in temp allocation, basically a temp is
>>> allocated but never released (even though it's freed).
>>>
>>> See http://hg.cython.org/cython-devel/file/4f0327bdebc9/tests/run/
>>> call_crash.pyx
>> The problem is that AttributeNode is not a NewTempExprNode and thus  
>> fails
>> to pass on the request for freeing the temp. Changing its baseclass  
>> fixes
>> this problem, but it also breaks tons of other test cases. It might  
>> just be
>> one problem that kills all of them, but in any case, this needs some
>> investigation. I'll try to look into it this weekend if I find the  
>> time.
> 
> Is this going to be a general problem with any inside a  
> NewTempExprNode (plain) ExprNode?

I can't answer that in general, but the good news is that there are very
few ExprNodes left, especially those that can contain subexpressions.
Fixing the AttributeNode will get us pretty far. Sadly, I can't do that
this weekend. So, if someone else could jump in and (at least) analyse the
resulting problems after the switch, that would be great.

Stefan
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