RFR: 8280761: UseCompressedOops should be set after limit_heap_by_allocatable_memory [v4]

[KIRIYAMA Takuya]

On Tue, 12 Apr 2022 06:50:32 GMT, KIRIYAMA Takuya <duke at openjdk.java.net> wrote:

>> I fixed to set UseCompressedOops flag after limit_heap_by_allocatable_memory(). 
>> So when ulimit -v is called and -XX:MaxRAM is set, UseCompressedOops does not become false. 
>> And all hotspot tier1 test are passed.
>> Would you please review this fix?
>
> KIRIYAMA Takuya has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8280761 UseCompressedOops should be set after limit_heap_by_allocatable_memory

> Slight rewording, // Setting MaxRAMPercentage explicitly to make the test more resilient.

Thank you, I fixed this comment.

> Embedding ulimit -v inside checkFlag still hinders readability, IMO.

Sounds good.  I fixed this tests as you advised.

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PR: https://git.openjdk.java.net/jdk/pull/7938