Latest GCC fails to build glibc

[Steve Ellcey]

On Mon, 2015-05-18 at 14:01 +0200, Florian Weimer wrote:

> Steve, could you try the attached patch, please?
> 
> An alternative fix for some of these issues would be to use the
> cast-free member access where the type of the outer object is known from
> context, getting rid of _IO_JUMPS.

That patch fixed the libio strict aliasing problems for me.  There are
still problems with the resolv/res_hconf.c and inet/rcmd.c files, but
this patch took care of all of the libio build problems.

Steve Ellcey