"closures" not working on OS X 10.8 (Mountain Lion)?

[Andrew Haley]

On 08/13/2012 07:28 PM, Nathan Rajlich wrote:
> It seems to me that closures are no longer working on OS X v10.8
> (a.k.a. Mountain Lion). I first noticed this when the node-ffi test
> suite started failing with a "Bus Error", so just now I ran a simple
> closure example from the internet and encounter the same error when I
> try to run that. Note that this is using the libffi v3.0.11 tag. My
> test case and shell session are outlined in this gist here:
> https://gist.github.com/3342783.
> 
> I don't personally know what's going on here, but am hoping somebody
> on this list will. I can provide any more additional information
> necessary. Cheers and thanks in advance!

This is probably because of heap execute protection.  Unfortunately I
don't know how it works on OS X: you need an Apple export.

Andrew.