gas segfault in files with groups and some error

[Alan Modra]

On Thu, Aug 04, 2011 at 01:55:47PM -0700, H.J. Lu wrote:
> We should simply call bfd_cache_close_all on error.
> I checked this in as an obvious fix.

Thanks for fixing this.  The patch is OK, although it does make as -Z
even more useless.

-- 
Alan Modra
Australia Development Lab, IBM