RFR: 8290432: C2 compilation fails with assert(node->_last_del == _last) failed: must have deleted the edge just produced [v6]

[Yi Yang]

On Tue, 22 Nov 2022 17:05:04 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

> I may ask to do our internal performance testing for this change too before approval.

Do you mean... oracle internal performance testing or opensource microbenchmark inside openjdk? For the former one, may I ask your help to do that? Thanks. (For the later one, I tested JDK-8273585 attached test, and it works well. After this patch, it takes 8s.)

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PR: https://git.openjdk.org/jdk/pull/9695