[PATCH] D14658: rename gnu to old-gnu

[Rafael Espíndola via llvm-commits]

> I've been running the current test/elf suite with elf2 on occasion and
> there are a number of tests that pass. Perhaps at the end of this
> process we can cherry-pick a set of useful and non-duplicate tests and
> move them from old-elf to ELF.

I really dislike the old testsuite. I would suggest looking at it see
if there features it tests and the new one doesn't. If so, *port* the
test, don't copy it.

Cheers,
Rafael