RFR: 8307523: [vectorapi] Optimize MaskFromLongBenchmark.java

[Chang Peng]

On Sat, 6 May 2023 05:56:08 GMT, Chang Peng <duke at openjdk.org> wrote:

> @changpeng1997 Yes that's right, I think ideally we can make `Blackhole` receive a `VectorNode`, but this patch is good as it is

@merykitty I have updated commit message to explain why we should not use blackhole to fix this benchmark.

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PR Comment: https://git.openjdk.org/jdk/pull/13851#issuecomment-1537062956