[Issue 14956] C++ Mangling incompatible with C++11

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=14956

--- Comment #4 from Iain Buclaw <ibuclaw at gdcproject.org> ---
(In reply to Marco Leise from comment #2)
> I assume the only way out of this is providing a -cxx11 flag for dmd? >.<

As we already support C++ namespaces, we can funnel what needs to be changed in
the testsuite case itself.

---
extern (C++, std)
{
    version (C++-98)
    {
        struct basic_string(T, C = char_traits!T, A = allocator!T)
        {
        }
    }
    else version (C++-11)
    {
        extern (C++, __cxx11)
        {
            struct basic_string(T, C = char_traits!T, A = allocator!T)
            {
            }
        }
    }
}
---

Which leaves us with the question, how do figure out whether to use version
condition branch A or B?

--