Confirming a bug in clang++ (freeBSD

[Eitan Adler]

>>> I have clang++ (devel/llvm-devel) built by g++45 and linked against
>>> gcc45/libstdc++.so.6. It compiles your test case fine. But I'm running
>>> 9-current on amd64 so it may not be that useful.
>>>
>>> IMO, gcc46 being a development branch is prone to miscompile and have bugs.
>>
>> I'm not that familiar with with mapping.
>
>> Since g++46/* is built with g++46
>
> It's more interesting which gcc version you used for compiling clang.

I forgot. Most likely it was base gcc as I have an exemption in my
/etc/make.conf for it.

>> and my program is compiled by clang++ is it expected that they be
>> compatible? If yes does that mean this is a bug in g++46 or clang++?
>
> Either -lstdc++ from gcc46 is buggy or just clang++ doesn't like it.
> It's better to use -lstdc++ from same version of gcc by which the
> program using it was compiled.

Is it possible to determine which one?
Is this something that is my fault for playing around too much or did
I expose a bug ?



-- 
Eitan Adler