RFR: 8282024: add EscapeAnalysis statistics under PrintOptoStatistics [v7]

Tue May 10 00:52:37 UTC 2022

On Thu, 5 May 2022 19:10:56 GMT, Xin Liu <xliu at openjdk.org> wrote:

>> okay. you're right. This is BFS but no element is pop.
>> I also ran twice jtreg with JTREG="VM_OPTIONS=-XX:+PrintOptoStatistics", it's safe.
>
> nits: 
> This function seems not to be part of 'PhaseMacroExpand', at least it could be a static member function.

You should check `PrintOptoStatistic` flag.

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PR: https://git.openjdk.java.net/jdk/pull/8019