git: openjdk/jdk21: 8311264: JavaDoc index comparator is not transitive

[Hannes Wallnöfer]

Changeset: fb7fd581
Author:    Hannes Wallnöfer <hannesw at openjdk.org>
Date:      2023-07-06 12:26:14 +0000
URL:       https://git.openjdk.org/jdk21/commit/fb7fd581266eccac188efd8ce9a73f322ade3c9a

8311264: JavaDoc index comparator is not transitive

Reviewed-by: prappo
Backport-of: 0741cd3289ccc89777449711ab20d6c32711f494

! src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/Comparators.java
! src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/IndexBuilder.java
! test/langtools/jdk/javadoc/doclet/testIndex/TestIndex.java
! test/langtools/jdk/javadoc/doclet/testIndex/pkg/C.java