hg: valhalla/valhalla/langtools: Fix: __ByValue classes should have 53.1 classfiles

[maurizio.cimadamore at oracle.com]

Changeset: 5a8ab36145d9
Author:    mcimadamore
Date:      2017-08-18 16:49 +0100
URL:       http://hg.openjdk.java.net/valhalla/valhalla/langtools/rev/5a8ab36145d9

Fix: __ByValue classes should have 53.1 classfiles

! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassWriter.java
! test/tools/javac/valhalla/values/CheckNoInvokeDirect.java
! test/tools/javac/valhalla/values/VOpcodeTest.java
! test/tools/javac/valhalla/values/ValueCreationTest.java