r244488 - [dllimport] A non-imported class with an imported key can't have a key

[Hans Wennborg via cfe-commits]

On Mon, Aug 10, 2015 at 12:39 PM, Reid Kleckner via cfe-commits
<cfe-commits at lists.llvm.org> wrote:
> Author: rnk
> Date: Mon Aug 10 14:39:01 2015
> New Revision: 244488
>
> URL: http://llvm.org/viewvc/llvm-project?rev=244488&view=rev
> Log:
> [dllimport] A non-imported class with an imported key can't have a key
>
> Summary:
> The vtable takes its DLL storage class from the class, not the key
> function. When they disagree, the vtable won't be exported by the DLL
> that defines the key function. The easiest way to ensure that importers
> of the class emit their own vtable is to say that the class has no key
> function.
>
> Reviewers: hans, majnemer
>
> Subscribers: cfe-commits
>
> Differential Revision: http://reviews.llvm.org/D11913

Should we merge this and r244266 to 3.7?