[vectorIntrinsics] RFR: Fix compilation error in perf reduction tests

[Paul Sandoz]

On Thu, 3 Mar 2022 06:51:19 GMT, Xiaohong Gong <xgong at openjdk.org> wrote:

>> The recent merge, bringing in updates to testing of reduction operations, resulted in a compilation error for the perf tests, which results in build failures.
>
> Looks good to me, thanks!

Thanks @XiaohongGong.

-------------

PR: https://git.openjdk.java.net/panama-vector/pull/177