RFR: 8319664: IGV always output on PhaseRemoveUseless

[Tobias Hartmann]

On Tue, 7 Nov 2023 22:16:28 GMT, Joshua Cao <duke at openjdk.org> wrote:

> Can see more instances of `Before RemoveUseless` in IGV. Passes tier1 on my Linux machine.

Looks good to me too.

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Marked as reviewed by thartmann (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/16549#pullrequestreview-1719804600