GHC HEAD broken on OS X

[Daniel Fischer]

On Monday 27 June 2011, 05:52:42, austin seipp wrote:
> After doing a 'git pull origin master && ./sync-all pull origin
> master', I get the following build failure when stage1 attempts to
> compile the RTS code:
> 
> http://paste.debian.net/121097/
> 
> A quick glance at the errors seem to indicate this work is related to
> the new events stuff for GHC. Duncan was working on this last I think
> - is anybody else experiencing this failure?

Works on linux x86_64 (the build fails elsewhere, cf. 
http://hackage.haskell.org/trac/ghc/ticket/5276, unless I specify 
THREADS=1).