[Bug demangler/81682] Timeout in demangler

[amodra at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81682

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |amodra at gmail dot com

--- Comment #2 from Alan Modra <amodra at gmail dot com> ---
Another similar case from https://sourceware.org/bugzilla/show_bug.cgi?id=22886
c++filt Z__dn999999871_en