RFR: 8262096: Vector API fails to work due to VectorShape initialization exception [v5]

[Jie Fu]

On Sat, 27 Feb 2021 10:58:16 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

>> Jie Fu has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains seven additional commits since the last revision:
>> 
>>  - Fix in jdk/incubator/vector/VectorShape.java
>>  - Merge branch 'master' into JDK-8262096
>>  - Revert changes
>>  - Remove -XX:TieredStopAtLevel=3
>>  - Update the jtreg test
>>  - The numerator should be 8 (byte)
>>  - 8262096: Vector API fails to work due to VectorShape initialization exception
>
> test/jdk/jdk/incubator/vector/PreferredSpeciesTest.java line 42:
> 
>> 40:  * @modules jdk.incubator.vector java.base/jdk.internal.vm.vector
>> 41:  * @run testng/othervm -XX:MaxVectorSize=8 PreferredSpeciesTest
>> 42:  * @run testng/othervm -XX:MaxVectorSize=4 PreferredSpeciesTest
> 
> `-XX:MaxVectorSize` is C2-specific. It's better to specify either `-XX:-IgnoreUnrecognizedVMOptions` or `@requires vm.compiler2.enabled`.

`@requires vm.compiler2.enabled` had been added.
Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/2722