[Bug other/67186] Libiberty fails to demangle C++ function name if clone suffix contains digit

[warieth at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67186

--- Comment #1 from David Kovacs <warieth at gmail dot com> ---
Created attachment 36173
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=36173&action=edit
test case