RFR: 8258074: Move some flags related to compiler to compiler_globals.hpp [v2]

[Ioi Lam]

On Fri, 11 Dec 2020 18:30:34 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Ioi Lam has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fixed gtest
>
> Good.

Thanks @vnkozlov and @coleenp for the review.

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PR: https://git.openjdk.java.net/jdk/pull/1746