[Bug libstdc++/104508] New: _GLIBCXX_ASSERTIONS gets ignored with clang with -std=c++2b

[unlvsur at live dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104508

            Bug ID: 104508
           Summary: _GLIBCXX_ASSERTIONS gets ignored with clang with
                    -std=c++2b
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: libstdc++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: unlvsur at live dot com
  Target Milestone: ---

C++20:
https://godbolt.org/z/dr3rEx7zP
C++2b:
https://godbolt.org/z/4KKc9x4x5