RFR: 8254670: SVE test uses linux-specific api

[Ningsheng Jian]

On Wed, 21 Oct 2020 08:35:49 GMT, Ningsheng Jian <njian at openjdk.org> wrote:

>> The SVE JNI test uses linux-specific api in native code, which is invalid with Windows/AArch64 and macOS/AArch64 ports in. Fixed by simply reducing the test to Linux only.
>
> Checked the failed test task log and it seems to fail at aot test. I don't know how my trivial patch could be related. And the newly created PR https://github.com/openjdk/jdk/pull/779 failed as well with the same log...

Hi @adinn @VladimirKempik , could you please help to take a look at this trivial fix?

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PR: https://git.openjdk.java.net/jdk/pull/778