RFR: 8252505: C1/C2 compiler support for blackholes [v24]

Mon Dec 7 15:45:20 UTC 2020

On Mon, 7 Dec 2020 12:25:16 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

> If it turns out it's not an appropriate addition, a separate diagnostic/experimental flag can be added instead.

Or, as an alternative, `-XX:CompileCommand=blackhole` could require `-XX:+UnlockDiagnosticVMOptions`/`-XX:+UnlockExperimentalVMOptions` to have any effect (as if it was a non-product flag).

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PR: https://git.openjdk.java.net/jdk/pull/1203