Forwarding -foffload=[...] from the driver (compile-time) to libgomp (run-time)

[Joseph Myers]

On Mon, 24 Aug 2015, Joseph Myers wrote:

> I'm testing this patch to default the offload targets after the
> original command line is processed (and before extra options from
> these specs are processed, so before the assertion is executed), and
> will commit it if tests are OK.

Now committed to gomp-4_0-branch.

-- 
Joseph S. Myers
joseph@codesourcery.com