RFR: 8260473: [vector] ZGC: VectorReshape test produces incorrect results with ZGC enabled [v3]

[Jie Fu]

On Thu, 28 Jan 2021 12:22:35 GMT, 王超 <github.com+25214855+casparcwang at openjdk.org> wrote:

>> @iwanowww GraphKit::access_load_at is for parse time only. C2OptAccess must be used here.
>
> The test is part of test/jdk/jdk/incubator/vector/VectorReshapeTests.java.
> And run the original big test with zgc didn't reproduce the failure, so just add a new small test.
> 
> The small test is provided by Stuart Monteith in the JBS. Thanks for providing the test.

I suggest adding the test under test/hotspot/jtreg/compiler/vectorapi.
Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/2253