[Bug libstdc++/88338] New: Implement P0898R3, C++20 concepts library.

[emsr at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88338

            Bug ID: 88338
           Summary: Implement P0898R3, C++20 concepts library.
           Product: gcc
           Version: 9.0
            Status: UNCONFIRMED
          Severity: enhancement
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: emsr at gcc dot gnu.org
  Target Milestone: ---