[Bug debug/69785] c++filt can't demangle string or compiler produce wrong mangled string

[nikolay.piskun at roguewave dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69785

--- Comment #1 from Nikolay Piskun <nikolay.piskun at roguewave dot com> ---
I can send a test program, but its rather long.