RFR: Remove log message that could access an out of bounds region

Fri Sep 10 17:52:36 UTC 2021

On Fri, 10 Sep 2021 16:19:56 GMT, William Kemper <wkemper at openjdk.org> wrote:

> The message attempts to reference the region containing the top of the plab. When the plab is full and is at the end of the last region in the heap, there will be no containing region. Doesn't seem worth the trouble to special case for a debug message.

Marked as reviewed by kdnilsen (Committer).

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PR: https://git.openjdk.java.net/shenandoah/pull/66