RFR: 8255298: Remove SurvivorAlignmentInBytes functionality [v2]

[Kim Barrett]

On Fri, 23 Oct 2020 17:26:50 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Hi all,
>> 
>>   can I have reviews to remove the SurvivorAlignmentInBytes functionality? It has not been in use for a long time if ever, and can be removed. Searching the web also indicates that apart from the usual lists of all options and CRs it is never mentioned.
>> 
>> SurvivorAlignmentInBytes is an experimental option so no further process is required.
>> 
>> Testing: tier1-5
>> 
>> Thanks,
>>   Thomas
>
> Thomas Schatzl has updated the pull request incrementally with one additional commit since the last revision:
> 
>   shade review

src/hotspot/share/gc/parallel/psPromotionLAB.inline.hpp line 43:

> 41:     return obj;
> 42:   } else {
> 43:     set_top(obj);

I think we don't need this set_top anymore.

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PR: https://git.openjdk.java.net/jdk/pull/838