RFR: JDK-8154011: Make TraceDeoptimization a diagnostic flag

[David Holmes]

On Fri, 3 Dec 2021 16:14:50 GMT, Tobias Holenstein <duke at openjdk.java.net> wrote:

> Make TraceDeoptimization available in a product build.
> 
> I checked that performance is not affected on Aurora.

Change looks fine, though as I mention in JBS maybe this could be converted to unified logging?

Cheers,
David

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Marked as reviewed by dholmes (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6703