IFUNCs used by libc.so.6 internally on x86-64

[Joseph Myers]

On Wed, 31 May 2017, Stefan Liebler wrote:

> At least for s390x, using internal IFUNCs leads to a segfault while linking
> libc.so if older binutils (before 2.26) are used.
> Are internal IFUNCs supported on all architectures?

Very few architectures have any sort of IFUNC support in binutils or their 
ABIs at all.

-- 
Joseph S. Myers
joseph@codesourcery.com