[Bug libstdc++/123988] Long names are not demangled when printing stack traces.

[d7d1cd at mail dot ru via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123988

--- Comment #1 from d7d1cd <d7d1cd at mail dot ru> ---
The godbolt example has an error. Here's the correct one:
https://godbolt.org/z/7336EGe47