[Bug libstdc++/125228] Avoid using assert in libstdc++

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125228

--- Comment #2 from Drea Pinski <pinskia at gcc dot gnu.org> ---
libstdc++.so includes library functions which uses these and the sources are
never built with _GLIBCXX_ASSERTIONS turned off.

Well src/c++11/debug.cc but that is similar really.