git: openjdk/jdk21u-dev: master: 8342582: user.region for formatting number no longer works for 21.0.5

[Aleksey Shipilev]

Changeset: 74acd388
Branch: master
Author:    Daniel Hu <costmuch at amazon.com>
Committer: Aleksey Shipilev <shade at openjdk.org>
Date:      2025-10-16 15:19:05 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/74acd38886c59060c0263380bfa48eb60772f594

8342582: user.region for formatting number no longer works for 21.0.5

Backport-of: e64f0798be64d334b3ec2a918687aafc2031a8b7

! src/java.base/share/classes/java/util/Locale.java
! src/java.base/share/classes/jdk/internal/util/StaticProperty.java
+ test/jdk/java/util/Locale/UserRegionTest.java