Crash in arenas_cleanup on linux x86-64

[Jason Evans]

On Mar 29, 2012, at 8:34 AM, Mike Hommey wrote:
> I haven't reproduced in a simpler testcase, but I could reproduce the
> failing circumstances in a local Firefox build, with a debugger, and
> here is roughly what happens:
> 
> […]

Thank you very much for figuring this out!  I think this is now fixed by:

	http://www.canonware.com/cgi-bin/gitweb.cgi?p=jemalloc.git;a=commitdiff;h=09a0769ba7a3d139168e606e4295f8002861355f

Can you give it a try, please?

Thanks,
Jason