Integrated: Also register filler object for retired gclabs

[William Kemper]

On Tue, 28 Sep 2021 22:50:55 GMT, William Kemper <wkemper at openjdk.org> wrote:

> Shenandoah verify will complain that the objects created when gclabs are retired are not properly registered. We already have code to register objects when the promotion labs are retired, this change extends it to also cover other gclabs.

This pull request has now been integrated.

Changeset: ea8469a1
Author:    William Kemper <wkemper at openjdk.org>
URL:       https://git.openjdk.java.net/shenandoah/commit/ea8469a118d21e41ecbaca17478bd2e7617dbeed
Stats:     15 lines in 1 file changed: 4 ins; 0 del; 11 mod

Also register filler object for retired gclabs

Reviewed-by: kdnilsen, rkennke

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PR: https://git.openjdk.java.net/shenandoah/pull/74