RFR: 8264285: Clean the modification of ccstr JVM flags [v2]

[Ioi Lam]

On Thu, 1 Apr 2021 00:25:59 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Ioi Lam has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   relax flag attributions (ala JDK-7123237)
>
> Marked as reviewed by coleenp (Reviewer).

Thanks @coleenp and @dholmes-ora for reviewing.

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PR: https://git.openjdk.java.net/jdk/pull/3254