Integrated: 8332913: GenShen: Restore shared update refs iterator

[William Kemper]

On Mon, 17 Jun 2024 22:17:52 GMT, William Kemper <wkemper at openjdk.org> wrote:

> Clean backport.

This pull request has now been integrated.

Changeset: 51783094
Author:    William Kemper <wkemper at openjdk.org>
URL:       https://git.openjdk.org/shenandoah-jdk21u/commit/51783094c6c2b809dd8a33f66c13fc7bd25418b7
Stats:     21 lines in 4 files changed: 11 ins; 3 del; 7 mod

8332913: GenShen: Restore shared update refs iterator

Backport-of: 31bca3076634a3119a049283587dedd1c3de9f16

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PR: https://git.openjdk.org/shenandoah-jdk21u/pull/53