RFR: 8305189: C2 failed "assert(_outcnt==1) failed: not unique" [v3]

Tue May 23 15:32:07 UTC 2023

On Tue, 23 May 2023 06:33:37 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

> Would it still be required/useful to keep an `OpaqueZeroTripGuardNode` for such a counted loop inside an infinite loop?

You're right that it's probably safer to be conservative and rather than remove the opaque node anyway, keep it if we can't tell if it's useful or not. I updated the change with a new commit that does that.

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PR Comment: https://git.openjdk.org/jdk/pull/13901#issuecomment-1558893085