private method is not available from anonymous class via this (IDEA-78916)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/IDEA78916.java

@@ -0,0 +1,38 @@
+enum EnumPrivateMethodTest {
+    FIRST {
+        @Override
+        public void execute() {
+            this.<error descr="'firstMethod()' has private access in 'EnumPrivateMethodTest'">firstMethod</error>();
+        }
+    };
+
+    public abstract void execute();
+
+    private void firstMethod() {}
+}
+
+abstract class EnumPrivateMethodTest1 {
+    EnumPrivateMethodTest1 FIRST = new EnumPrivateMethodTest1() {
+        @Override
+        public void execute() {
+            this.<error descr="'firstMethod()' has private access in 'EnumPrivateMethodTest1'">firstMethod</error>();
+        }
+    };
+
+    public abstract void execute();
+
+    private void firstMethod() {}
+}
+
+abstract class EnumPrivateMethodTest2 {
+    EnumPrivateMethodTest2 FIRST = new EnumPrivateMethodTest2() {
+        @Override
+        public void execute() {
+            firstMethod();
+        }
+    };
+
+    public abstract void execute();
+
+    private void firstMethod() {}
+}