[Bug libstdc++/66030] [5.1.0] std::codecvt_byname missing from libstdc++ DLL

[jroivas at iki dot fi]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66030

--- Comment #7 from Jouni Roivas <jroivas at iki dot fi> ---
(In reply to Jouni Roivas from comment #6)
> (In reply to Jonathan Wakely from comment #5)
> > Does this work?
> 
> Yes, it works.


Now I found some more missing symbols:

undefined reference to `std::codecvt<char16_t, char, int>::id'
undefined reference to `std::codecvt<char32_t, char, int>::id'