hg: amber/amber/langtools: 8177505: add test cases for enhanced enums

[vicente.romero at oracle.com]

Changeset: 0c67264d4ea2
Author:    vromero
Date:      2017-03-23 16:13 -0700
URL:       http://hg.openjdk.java.net/amber/amber/langtools/rev/0c67264d4ea2

8177505: add test cases for enhanced enums

+ test/tools/javac/enhanced_enums/NameClashTest.java
+ test/tools/javac/enhanced_enums/NoDiamondAllowedTest.java
+ test/tools/javac/enhanced_enums/NoDiamondAllowedTest.out
+ test/tools/javac/enhanced_enums/SharperTypeTest.java
+ test/tools/javac/enhanced_enums/SharperTypeTest.out