ICE building on darwin

[Jonathan Wilson]

 > I'm seeing this too.  It seems to be darwin specific, i686-pc-linux-gnu
 > still builds fine.  Unfortunately, I don't regularly build on darwin
 > so I can't say when the tree last built, to help narrow down the patch
 > that broke things.

I dont know much about GCC development but has someone tested to see if the 
ICE happens on ppc-linux? Doing so might help narrow down where the bug is 
(ppc code or darwin specific code)