[Bug libstdc++/105730] [12/13 Regression] Issue with commit - Allow std::condition_variable waits to be cancelled

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105730

--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Gleb Mazovetskiy from comment #7)
> Note that the 3.4.11 has a single @.
> All the other symbols have @@.

This is expected and entirely correct.