/usr/lib32/debug/libstdc++.so.6 is in lib32stdc++6-4.5-dbg 4.5.3-12ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib32/debug/libstdc++.so.6.0.14
/usr/lib32/debug/libstdc++.so.6.0.14