hg: jdk9/sandbox/langtools: 2 new changesets

[aleksey.shipilev at oracle.com]

Changeset: 35ed2d706f4b
Author:    shade
Date:      2015-11-26 17:38 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/35ed2d706f4b

Remove the use of voidClassType.

! src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symtab.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Gen.java

Changeset: 6c8d4b48de52
Author:    shade
Date:      2015-11-27 03:20 +0300
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/6c8d4b48de52

Introduce StringConcat class in javac, to make string concat handling cleaner

! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Gen.java
+ src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/StringConcat.java