RFR: 8289943: Simplify some object allocation merges [v11]

Wed Oct 5 23:00:26 UTC 2022

On Wed, 5 Oct 2022 22:40:13 GMT, Cesar Soares Lucas <cslucas at openjdk.org> wrote:

>> Cesar Soares Lucas has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Address PR feedback. Fix test & one bug. Set RAM parameter to true by default.
>
> My idea was to have it as `false` by default. TBH, I thought that was kind of the "policy" for adding new optimizations.

@JohnTortugo I just noticed that both new tests missing `{}` in a lot of conditional cases. Please, fix it. Code style.

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PR: https://git.openjdk.org/jdk/pull/9073