Wadler space leak

Simon Marlow marlowsd at gmail.com
Tue Nov 2 05:20:21 EDT 2010

On 01/11/2010 16:52, Jan Christiansen wrote:
> On 01.11.2010, at 10:38, Simon Marlow wrote:
>> On 28/10/2010 14:21, Bertram Felgenhauer wrote:
>>> Right. The optimization works by producing special thunks for tuple
>>> selectors which the garbage collector can recognize and evaluate
>>> during GC.
>>> However the implementation in GHC is quite brittle. See
>>> http://hackage.haskell.org/trac/ghc/ticket/2607
>>> I suspect your program is another instance of this behaviour.
>> Yes, that's exactly what happens.
> Thanks very much for the explanation.
> It seems to me that this bug is not considered as high priority. Is this
> correct? So it is not likely that this will be fixed in one of the next
> ghc releases, is it?

It's not really a question of priority, rather that we don't know of a 
good way to fix it!


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