[Bug c++/81239] std::__cxx11::string& visible in gcc warning output

[jg at jguk dot org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81239

--- Comment #3 from Jonny Grant <jg at jguk dot org> ---
(In reply to Jonny Grant from comment #2)
> Created attachment 44492 [details]
> Better test case

wrong ticket. please ignore