[Bug libstdc++/69945] Provide an equivalent of __libc_freeres to release emergency EH pool memory

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69945

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
libsupc++ is linked into libstdc++.so.6.