Please review a trivial change to generate an error instead of a warning when
no label is provided with a reference to a user-provided anchor.
-------------
Commit messages:
- JDK-8306578: Report error if no label given in @see and {@link} when no
default is available
Changes: https://git.openjdk.org/jdk/pull/13720/files
Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13720&range=00
Issue: https://bugs.openjdk.org/browse/JDK-8306578
Stats: 6 lines in 2 files changed: 0 ins; 0 del; 6 mod
Patch: https://git.openjdk.org/jdk/pull/13720.diff
Fetch: git fetch https://git.openjdk.org/jdk.git pull/13720/head:pull/13720
PR: https://git.openjdk.org/jdk/pull/13720
