[Bug libstdc++/83077] sso-string @ gnu-versioned-namespace.

[fdumont at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83077

--- Comment #17 from François Dumont <fdumont at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #15)
> 
> many of the c++ fails are of this form:
> 
> contracts-tmpl-spec1.C:(.text+0x6f): undefined reference to
> `handle_contract_violation(std::experimental::contract_violation const&)'

I'm surprised that my patch can have an impact on the C++ front end but I'll
give it a try. Did you first run those without my patches ?

I've never run the C++ tests. They can be run without a proper libstdc++ build,
no ?