RFR (S) 8190891: Clean up G1 barrier code in compiler interface (ci)

[coleen.phillimore at oracle.com]

Thank you Erik!
Coleen

On 11/8/17 11:26 AM, Erik Österlund wrote:
> Hi Coleen,
>
> Looks fantastic.
>
> Thanks,
> /Erik
>
> On 2017-11-08 01:38, coleen.phillimore at oracle.com wrote:
>> Summary: consolidate gc barrier code in ci
>>
>> See bug and comments for more details.
>>
>> Tested with mach5 tier1-5 on linux x64 and iwndows x64.  Also tested 
>> StressRedefineWithoutBytecodeModification in 
>> test/jdk/java/lang/instrument which fails without the g1 barriers.
>>
>> open webrev at http://cr.openjdk.java.net/~coleenp/8190891.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8190891
>>
>> Thanks,
>> Coleen
>