[Patch] Fix glibc testing with GCC 4.9 compiler

[Steve Ellcey]

On Thu, 2016-02-25 at 17:49 +0100, Florian Weimer wrote:
> * Steve Ellcey:
> 
> > I was testing glibc on a machine with GCC 4.9.2 and the tests died due
> > to a warning in string/tester.c.  This routine has a DIAG_IGNORE for
> > -Wmemset-transposed-args at GCC 5.0 and above but this warning is also
> > given by my GCC 4.9.2 compiler.  This patch fixed the problem for me,
> > is it OK to check it in?
> 
> I think this breaks the build for everyone with a 4.9 compiler which
> does not support -Wmemset-transposed-args.  Wasn't this a
> Debian-specific backport?

That is possible, I wasn't aware this was a backport.  The compiler I
was using is on debian:

% gcc --version
gcc (Debian 4.9.2-10) 4.9.2
Copyright (C) 2014 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

Steve Ellcey
sellcey@imgtec.com