[Bug c++/95428] ABI breakage for "base object constructor" for final classes

[P at draigBrady dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95428

--- Comment #3 from Pádraig Brady <P at draigBrady dot com> ---
I've not got a reduced example where clang is generating the call, but it could
be a linker issue as the two constructors are aliased to the same address.
The linker used here was lld.