git: openjdk/jdk21: 8039165: [Doc] MessageFormat null locale generates NullPointerException

[Justin Lu]

Changeset: f34ac12a
Author:    Justin Lu <jlu at openjdk.org>
Date:      2023-08-01 23:00:14 +0000
URL:       https://git.openjdk.org/jdk21/commit/f34ac12aa7c2b932bf2f4c7a58e4dfdf228edfd2

8039165: [Doc] MessageFormat null locale generates NullPointerException

Reviewed-by: naoto, iris
Backport-of: c6396dceb9a64578d5b335af27ad1d968190a1fa

! src/java.base/share/classes/java/text/MessageFormat.java
- test/jdk/java/text/Format/MessageFormat/Bug6481179.java
+ test/jdk/java/text/Format/MessageFormat/MessageFormatExceptions.java