RFR (M) Close alignment gaps in InstanceKlass

[coleen.phillimore at oracle.com]

Thanks, Ioi!
Coleen

On 4/23/20 12:43 PM, Ioi Lam wrote:
> Hi Coleen,
>
> The changes look good to me.
>
> Thanks
> - Ioi
>
> On 4/21/20 1:12 PM, coleen.phillimore at oracle.com wrote:
>> Summary: moved fields around and some constant fields into ConstantPool
>>
>> This is a simple change except that I moved some constant fields from 
>> InstanceKlass into the constant pool so they can be shared read-only 
>> in the CDS archive.  There are associated repercussions in SA and 
>> JVMCI, so please look at these changes. Also moved similarly sized 
>> fields together in the class so there's less likelihood of 
>> introducing gaps in future InstanceKlass changes.
>>
>> InstanceKlass is reduced from 544 to 520 bytes in a simple Hello 
>> World class.
>>
>> open webrev at 
>> http://cr.openjdk.java.net/~coleenp/2020/8238048.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8238048
>>
>> Tested with tier1-6.
>>
>> Thanks,
>> Coleen
>>
>>
>