RFR: JDK-8328786: [AIX] move some important warnings/errors from trcVerbose to UL

[Lutz Schmidt]

On Wed, 27 Mar 2024 15:37:21 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> trcVerbose is a macro that can be used in the AIX OpenJDK codebase.
> It boils down to `if (Verbose) { <print message> } ;`
> However this means that it can only be used in non product JVM because Verbose is a develop flag.
> So more important warning/error/info messages should better be moved e.g. to UL so that they are usable in product JVMs too,

LGTM.

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Marked as reviewed by lucy (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/18517#pullrequestreview-1963823547