[Bug libstdc++/100180] experimental/net/internet/address/v6/members.cc fails on arm-eabi

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100180

--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
I think I need to backport another piece.

This should not have happened on trunk though.