RFR: 8309697: [TESTBUG] Remove "@requires vm.flagless" from jtreg vectorization tests [v2]

[Vladimir Kozlov]

On Fri, 4 Aug 2023 06:31:46 GMT, Pengfei Li <pli at openjdk.org> wrote:

> A solution to this may be adding one more check of `CICompileOSR` is OFF if we still want to use interpreted execution for the reference result.

I would suggest to use `WB.setBooleanVMFlag("CICompileOSR", false);`. But it is debug flag which can be set only in debug VM.  There are may be other product flags you can temporary set to avoid compilation without locking.

> 
> Now the question is, which verification approach do you think is better? "C2 vs. interpreted" or "C2 vs. C1"?

We usually use Interpreter as gold standard.

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PR Comment: https://git.openjdk.org/jdk/pull/15011#issuecomment-1666121398