RFR (S): 8234000: Make HeapRegion::bottom/end/hrm_index const

[Stefan Johansson]

Nice cleanup Thomas,

> 12 nov. 2019 kl. 21:27 skrev Kim Barrett <kim.barrett at oracle.com>:
> 
>> On Nov 12, 2019, at 9:42 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
>> 
>> Hi all,
>> 
>> can I have reviews for this very small change that removes the possibility to change the bottom/end/hrm_index members in HeapRegion?
>> 
>> This is not required functionality, so I thought it would be good to clean up.
>> 
>> CR:
>> https://bugs.openjdk.java.net/browse/JDK-8234000
>> Webrev:
>> http://cr.openjdk.java.net/~tschatzl/8234000/webrev/
>> Testing:
>> local compilation, hs-tier1
>> 
>> Thanks,
>> Thomas
> 
> Looks good.
> 

Looks good,
Stefan