enum constants should be checked to implement enum interfaces

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting6/EnumConstantWithoutInterfaceImplementation.java

@@ -0,0 +1,8 @@
+
+interface A {
+  void m();
+}
+
+enum E implements A {
+  <error descr="Class 'Anonymous class derived from E' must implement abstract method 'm()' in 'A'">F</error>() {};
+}