Request for review (s) - 8155948: Add message for CMS deprecation for some internal builds

[David Holmes]

Hi Jon,

So this simply allows for extending the definitions of "special flags" 
to custom extensions - ok. Other than Kim's suggestion to use a named 
struct, this looks fine to me too.

Thanks,
David

On 1/09/2016 4:06 AM, Jon Masamitsu wrote:
> Adds the support to emit a deprecation message in some builds.
>
> https://bugs.openjdk.java.net/browse/JDK-8155948
>
> A data structure is moved to a header file to allow
> sharing and a stub function is added which can be
> specialized for different builds.
>
> http://cr.openjdk.java.net/~jmasa/8155948/webrev.00/
>
> Thanks.
>
> Jon
>
>