git: openjdk/jdk21u-dev: master: 8326606: Test javax/swing/text/BoxView/6494356/bug6494356.java performs a synchronization on a value based class

[Goetz Lindenmaier]

Changeset: 5486e42b
Branch: master
Author:    Goetz Lindenmaier <goetz at openjdk.org>
Date:      2025-07-09 05:14:56 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/5486e42b0aea7df17cc53180769083c83b3f3642

8326606: Test javax/swing/text/BoxView/6494356/bug6494356.java performs a synchronization on a value based class

Backport-of: 013aff87ce7ece5cd4676aa452557ea3f222cede

+ test/jdk/javax/swing/text/BoxView/bug6494356.java