IORefs and garbage collection

[Simon Marlow]

Jan-Willem Maessen wrote:
> 
> On Apr 18, 2006, at 4:05 PM, Ravi Nanavati wrote:
> 
>> 2. If there is a known fix for this issue, what would it involve  
>> (and, if there are any guesses, how much work might it be)?
> 
> 
> I had thought this was on the list of things fixed in 6.4.  Simon?

Fixed in 6.6, yes.  I've just removed the paragraph that Ravi referred 
to from the documentation.  All mutable objects (except TVars) now use 
write barriers and don't get scanned automatically during GC.

Cheers,
	Simon