[Bug libstdc++/90239] [C++20] scoped_allocator_adaptor should support nested pair

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90239

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |10.0
   Target Milestone|---                         |9.2

--- Comment #5 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Fixed on trunk. I'll backport this to gcc-9-branch after the 9.1.0 release.