gold alignment for 64-bit target in 32-bit binary

[David Miller]

From: Ian Lance Taylor <iant@google.com>
Date: Wed, 23 Apr 2008 18:41:54 -0700

> It would also be nice to run at different optimization levels, as it
> affects the TLS relocations in particular.  I'm thinking about how
> best to do it.

That's great.

I also want to add sparc specific assembler tests, as I've mentioned
before, so please keep that in mind as well in your design.