RFR 8211268: Disable unsupported GCs for Zero

[Aleksey Shipilev]

On 09/28/2018 12:00 PM, Severin Gehwolf wrote:
> 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.

Thanks. I think I need a blessing from build system maintainers too :)

-Aleksey