[Bug libstdc++/116070] [14/15 Regression] broken headers for compile with flags -std=gnu++14 -fconcepts

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116070

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to work|                            |13.3.1
            Summary|[13/14/15 Regression]       |[14/15 Regression] broken
                   |broken headers for compile  |headers for compile with
                   |with flags -std=gnu++14     |flags -std=gnu++14
                   |-fconcepts                  |-fconcepts

--- Comment #12 from Jonathan Wakely <redi at gcc dot gnu.org> ---
The single problem is fixed for GCC 13.4

Fixing all cases for GCC 14 and trunk will take longer.