hg: amber/amber/langtools: adding LDC negative tests

[vicente.romero at oracle.com]

Changeset: fbf319e5efd3
Author:    vromero
Date:      2017-04-25 11:45 -0700
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/fbf319e5efd3

adding LDC negative tests

! src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/Gen.java
! src/jdk.compiler/share/classes/com/sun/tools/javac/resources/compiler.properties
! test/tools/javac/diags/examples.not-yet.txt
+ test/tools/javac/specialConstantFolding/LDCNegativeTest.java
+ test/tools/javac/specialConstantFolding/LDCNegativeTest.out