/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/ is in libwx-perl 1:0.9932-4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/chkconfig.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/compat.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/constants.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/e_cback.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/event.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/helpers.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/overload.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/setup.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/streams.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/v_cback.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/v_cback_def.h
/usr/lib/x86_64-linux-gnu/perl5/5.26/Wx/cpp/wxapi.h