[Bug libstdc++/57691] freestanding libstdc++ has compile error

[redi at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57691

--- Comment #11 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Yes, that will fix it right now.

In the longer term it would be nice to get a FE change.