clang-5 and -gz option

[Chris Jones]

This looks like a question you should direct to the clang developers, not MacPorts users..

> On 6 Jan 2018, at 9:35 am, René J.V. Bertin <rjvbertin at gmail.com> wrote:
> 
> Hi
> 
> I was glad to notice that clang 5 has a -gz option to generate compressed debug info, but quickly discovered that in practice this means there is either no debug information or that information isn't found (not even by lldb-5).
> 
> I'm seeing the same thing with port:clang-5 on Mac and the official packages from llvm.org on Linux. I could accept that either one platform lacks a compatible toolchain and thus don't support -gz debug info, but that it happens on both is suspicious.
> 
> Is this a bug in clang, simply an incomplete feature, or am I indeed missing toolchain components on Mac at least?
> 
> Thanks,
> R