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

[Jie Fu]

On Thu, 28 Jan 2021 12:38:11 GMT, Jie Fu <jiefu at openjdk.org> wrote:

>> 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.

Since 32-bit VM doesn't support ZGC, the test should only for 64-bit.

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