[PATCH] Add comdat_group effective target (PR bootstrap/64612)

[Mike Stump]

On Jan 27, 2015, at 7:10 AM, Jakub Jelinek <jakub@redhat.com> wrote:
> 
> This patch introduces a new effective target check and adds it to the pr64612.C
> - if comdat groups aren't used, there is no guarantee that the D2 dtor will
> be emitted always alongside of D1 dtor.
> 
> Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?

Ok.