hg: jdk9/sandbox/langtools: Merge

[paul.sandoz at oracle.com]

Changeset: 372bb942c63a
Author:    psandoz
Date:      2016-02-09 13:32 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/372bb942c63a

Merge

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symtab.java
- src/jdk.javadoc/share/classes/com/sun/tools/javadoc/api/JavadocTaskImpl.java
- src/jdk.javadoc/share/classes/com/sun/tools/javadoc/api/JavadocTool.java
- test/tools/javadoc/api/basic/JavadocTaskImplTest.java
- test/tools/javadoc/api/basic/RunTest.java
- test/tools/javadoc/doclint/DocLintTest.java
- test/tools/javadoc/doclint/ImplicitHeadersTest.java