hg: jdk9/sandbox/langtools: Merge

[aleksey.shipilev at oracle.com]

Changeset: 83af3ecefab8
Author:    shade
Date:      2016-04-07 11:19 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/83af3ecefab8

Merge

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symtab.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Infer.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Resolve.java
- test/tools/lib/ToolBox.java