hg: valhalla/valhalla/langtools: 8187567: [Nestmates] Enable nestmate changes in javac by default

[david.holmes at oracle.com]

Changeset: 814d50024bd7
Author:    dholmes
Date:      2017-09-21 01:21 -0400
URL:       http://hg.openjdk.java.net/valhalla/valhalla/langtools/rev/814d50024bd7

8187567: [Nestmates] Enable nestmate changes in javac by default
Summary: disable private accessors and use virtual invocations for private methods when supported by the target (currently jdk10)
Reviewed-by: mcimadamore

! src/jdk.compiler/share/classes/com/sun/tools/javac/comp/Lower.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassWriter.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Gen.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Target.java