[Bug libstdc++/87822] [6/7/8/9 Regression] Binary incompatibility in std::pair introduced by PR 86751

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87822

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
The fix isn't in any other releases yet, only 6.5