[Bug libstdc++/96946] libstdc++ std::shared_ptr makes an "unrelated cast" that causes Clang's Control Flow Integrity sanitiser to crash

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96946

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Jonathan Wakely from comment #4)
> Libc++ seems to pass the std::list example in comment 3 because they rely on
> different UB: https://godbolt.org/z/xvdaxh

That seems to be fixed in libc++ 18.1.0