RFR 8211268: Disable unsupported GCs for Zero

[Severin Gehwolf]

Hi Aleksey,

On Fri, 2018-09-28 at 11:49 +0200, Aleksey Shipilev wrote:
> RFE:
>  https://bugs.openjdk.java.net/browse/JDK-8211268
> 
> Webrev:
>   http://cr.openjdk.java.net/~shade/8211268/webrev.01/
> 
> Not all GCs are supported by Zero, because it requires implementing
> the GC barriers in C++
> interpreter. Now that we have jvm features that can selectively
> disable particular GCs, we can only
> build supported GCs. This avoids surprise build failures like these:
>   https://bugs.openjdk.java.net/browse/JDK-8211228
> 
> Testing: x86_64 Zero build, running GCBasher with the rest of GCs

+1

Thanks for doing this. Not a Reviewer.

Cheers,
Severin