hg: jdk9/sandbox/langtools: 8143366: Control characters in constant pool strings are not escaped properly

[chris.hegarty at oracle.com]

Changeset: 653c218a6e57
Author:    sdrach
Date:      2016-07-29 12:27 -0700
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/653c218a6e57

8143366: Control characters in constant pool strings are not escaped properly
Reviewed-by: jjg

! src/jdk.jdeps/share/classes/com/sun/tools/javap/ClassWriter.java
! src/jdk.jdeps/share/classes/com/sun/tools/javap/ConstantWriter.java
+ test/tools/javap/ControlCharTest.java