[Bug other/99763] c++filt crashes when demangling

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99763

--- Comment #5 from Martin Liška <marxin at gcc dot gnu.org> ---
(In reply to Ba Jinsheng from comment #3)
> Created attachment 50471 [details]
> the payload to trigger the crash

Is it a valid symbol name? How did you come up with the name?