[Bug demangler/92797] cplus_demangle() produces huge amount of output (on trunk)

[tim.ruehsen at gmx dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92797

--- Comment #5 from Tim Ruehsen <tim.ruehsen at gmx dot de> ---
(In reply to ibuclaw from comment #4)
> At what point does the D demangler kick in?  It should only attempt to parse
> symbols that begin with '_D'.

There is a reproducer attached. See my initial comment on how to use it.