hg: jdk/jdk: 8251939: Fix copy-paste issues and address TODOs

[pavel.rappo at oracle.com]

Changeset: a51ce7f4ee54
Author:    prappo
Date:      2020-08-18 17:34 +0100
URL:       https://hg.openjdk.java.net/jdk/jdk/rev/a51ce7f4ee54

8251939: Fix copy-paste issues and address TODOs
Reviewed-by: jjg

! src/jdk.compiler/share/classes/com/sun/source/tree/YieldTree.java
! src/jdk.compiler/share/classes/com/sun/source/util/DocTreeScanner.java
! src/jdk.compiler/share/classes/com/sun/source/util/TreeScanner.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/parser/DocCommentParser.java