[Bug libstdc++/86603] `__cpp_lib_list_remove_return_type` misplaced in the header

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86603

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Author: redi
Date: Fri Jul 20 11:24:38 2018
New Revision: 262902

URL: https://gcc.gnu.org/viewcvs?rev=262902&root=gcc&view=rev
Log:
PR libstdc++/86603 Move __cpp_lib_list_remove_return_type macro

This should only be defined for C++2a not C++17.

        PR libstdc++/86603
        * include/std/version: Move __cpp_lib_list_remove_return_type macro.

Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/version