RFR: 8252219: C2: Randomize IGVN worklist for stress testing [v6]

Fri Sep 25 07:54:06 UTC 2020

On Thu, 24 Sep 2020 13:33:36 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> Roberto Castaneda Lozano has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Empty commit to trigger jcheck after updating GitHub user name
>
> Looks good to me! Thanks for adding the additional test.

> > Nice!
> > Did you try to run mach5 testing with IGV stress enabled by using --jvm-args "" mach5 option?
> 
> Thanks Vladimir! I tried something similar (but hackier) on tier1 and all tests passed, will try a more systematic run
> with multiple seeds, etc.

I ran `tier1_compiler` with `-XX:+StressIGVN` for 100 repetitions and did not trigger any failure.

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PR: https://git.openjdk.java.net/jdk/pull/242