[llvm] r217747 - Introduce the DWARFUnitSection abstraction.

[Frédéric Riss]

> On 15 Sep 2014, at 13:07, Chandler Carruth <chandlerc at google.com> wrote:
> 
> 
> On Mon, Sep 15, 2014 at 3:50 AM, Frédéric Riss <friss at apple.com> wrote:
> This is r217756. Hope it fixes your issue. -Wnon-virtual-dtor isn’t part of my default flags, did you add it by yourself, or is that some special CMake build configuration?
> 
> I think all our CMake builds enable it.

I investigated it. It hit this limitation:

    # Check if -Wnon-virtual-dtor warns even though the class is marked final.
    # If it does, don't add it. So it won't be added on clang 3.4 and older.

and that’s why I didn’t see it.

Fred