RFR: 8295407: C2 crash: Error: ShouldNotReachHere() in multiple vector tests with -XX:-MonomorphicArrayCheck -XX:-UncommonNullCast [v2]

Wed Nov 16 06:06:34 UTC 2022

On Wed, 16 Nov 2022 02:08:33 GMT, Fei Gao <fgao at openjdk.org> wrote:

>> Right, I missed that. Does the test reproduce the issue without these flags? In any case, I think a more descriptive summary would be good.
>
> Yes, the added testcase here can reproduce the issue even without these flags and I suppose those flags help C2 vectorize more hot loops in the reported testcases. I updated the summary part in the new commit. Thanks for your suggestion @TobiHartmann!

Great, thanks for confirming and updating the summary!

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

PR: https://git.openjdk.org/jdk/pull/11034