[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 #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Romain Geissler from comment #0)
> (introduce a new
> tagged std::pair type and provide dual abi ?).

No, no, no! Anything but that.