[vectorIntrinsics] RFR: 8274631: assert(false) failed: bad AD file with -XX:UseKNLSetting

[Paul Sandoz]

On Fri, 1 Oct 2021 18:21:03 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

>> Intrinsification is prevented due to an internal implementation constraint of compiler, I think it will not provide any useful information to user in this case.
>
> So IIUC it's because the flags create an artificial scenario that does not ordinarily arise. If so can we add a comment regarding the configuration that might result in this code path being taken?

Also can we double check if this only arises for debug builds?

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PR: https://git.openjdk.java.net/panama-vector/pull/141