[patch, fortran] Fix PR 87689, wrong decls / ABI violation on POWER

[Alan Modra]

On Sun, Feb 17, 2019 at 07:18:52PM +0100, Thomas Koenig wrote:
> I'd still like confirmation from one of the POWER people that
> this also fixes the bug on that architecture.

I bootstrapped and regression tested on powerpc64le-linux, and confirm
that the patch fixes the bug.  Thanks!

-- 
Alan Modra
Australia Development Lab, IBM