git: openjdk/jdk15u-dev: 8273894: ConcurrentModificationException raised every time ReferralsCache drops referral

[Yuri Nesterenko]

Changeset: 78648cbd
Author:    Yuri Nesterenko <yan at openjdk.org>
Date:      2022-12-12 11:46:40 +0000
URL:       https://git.openjdk.org/jdk15u-dev/commit/78648cbdc3051168ac2e2334716db3df209b260e

8273894: ConcurrentModificationException raised every time ReferralsCache drops referral

Backport-of: 2166ed136917bb68f8155a25e4f4a6c5c7115566

! src/java.security.jgss/share/classes/sun/security/krb5/internal/ReferralsCache.java