[Bug c++/115245] Fails to demangle some concepts

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115245

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
We can't even demangle what has been added to the testsuite in that commit,
e.g.
_ZN1C1fIiEEvDTtlNS_UlT_TL0__E_EEE