[PATCH] have ifunc resolver's return type match target

[Joseph Myers]

On Sun, 20 Aug 2017, Martin Sebor wrote:

> To let Glibc take advantage of this type checking and avoid
> warnings when using the patched GCC when the change above is
> committed, the patch below adjusts the Glibc __ifunc_resolver
> macro to declare the ifunc resolver so that its return type
> matches that of the target.  (I was going to wait to submit it
> until after the GCC patch has been accepted but per Joseph's
> suggestion I'm posting it here ahead of time.)
> 
> The patch has been tested on its own with the system GCC 6.3
> and with the patched GCC on x86_64-linux with no regressions.

OK (with a ChangeLog entry, of course).

-- 
Joseph S. Myers
joseph@codesourcery.com