[Bug libstdc++/85222] [7/8 Regression] ABI breakage of __throw_ios_failure by r244498

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85222

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #1)
> (In reply to Richard Biener from comment #0)
> > A workaround is to use a libstdc++ built with --disable-libstdcxx-dual-abi
> 
> Or to catch std::exception&

That isn't a workaround for existing binaries.