RFR (M): 8238855: Move G1ConcurrentMark flag sanity checks to g1Arguments

[Thomas Schatzl]

Hi Stefan,

On 24.03.20 15:55, Stefan Johansson wrote:
> Hi Thomas,
> 
> On 2020-03-20 09:32, Thomas Schatzl wrote:
>> Hi all,
>>
>>    can I have reviews for this change that moves (and deletes 
>> duplicate) flag checking from the G1ConcurrentMark class to the other 
>> G1 arguments processing?
>>
>> Adds a test that checks whether the invariants before/after are still 
>> kept.
>>
>> CR:
>> https://bugs.openjdk.java.net/browse/JDK-8238855
>> Webrev:
>> http://cr.openjdk.java.net/~tschatzl/8238855/webrev/
> Looks good,
> Stefan
> 

   thanks for your review.

Thomas