git: openjdk/jdk: 8306578: Report error if no label given in @see and {@link} when no default is available

[Hannes Wallnöfer]

Changeset: db0857dd
Author:    Hannes Wallnöfer <hannesw at openjdk.org>
Date:      2023-06-05 09:39:19 +0000
URL:       https://git.openjdk.org/jdk/commit/db0857ddd8653cb3244d63064da16537126dab4c

8306578: Report error if no label given in @see and {@link} when no default is available

Reviewed-by: jjg

! src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/TagletWriterImpl.java
! test/langtools/jdk/javadoc/doclet/testSeeLinkAnchor/TestSeeLinkAnchor.java