[Bug c++/69953] [5/6 Regression] Using lto causes gtkmm/gparted and gtkmm/inkscape compile to fail

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69953

--- Comment #36 from Martin Liška <marxin at gcc dot gnu.org> ---
Please provide one more test-case that still fails and I will take a look. Feel
free to reopen it.