[Bug libstdc++/118260] Automatically add some 'skip's from gdb helper code

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118260

--- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Not all of those containers actually have a back() or data() member function,
but it doesn't matter.