treat annotation types and enums as normal classes and not as un-configured entry points (IDEA-157144)

java/java-analysis-impl/src/com/intellij/codeInspection/reference/RefJavaManagerImpl.java

@@ -340,7 +340,7 @@ public class RefJavaManagerImpl extends RefJavaManager {
       getEntryPointsManager().addEntryPoint(refElement, false);
     }
 
-    if (psiElement instanceof PsiClass) {
+    /*if (psiElement instanceof PsiClass) {
       PsiClass psiClass = (PsiClass)psiElement;
 
       EntryPointsManager entryPointsManager = getEntryPointsManager();
@@ -353,7 +353,7 @@ public class RefJavaManagerImpl extends RefJavaManager {
       else if (psiClass.isEnum()) {
         entryPointsManager.addEntryPoint(refElement, false);
       }
-    }
+    }*/
   }
 
   private static void appendPackageElement(final Element element, final String packageName) {

java/java-tests/testData/inspection/deadCode/annotationInterface/expected.xml

@@ -1,4 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<problems>  
+<problems>
+  <problem>
+    <file>Test.java</file>
+    <line>5</line>
+    <description>Method is never used.</description>
+  </problem>
 </problems>
 

java/java-tests/testData/inspection/deadCode/unusedEnum/expected.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<problems>
+  <problem>
+    <file>Test.java</file>
+    <line>2</line>
+    <description>Field has no usages.</description>
+  </problem>
+  <problem>
+    <file>Test.java</file>
+    <line>2</line>
+    <description>Field has no usages.</description>
+  </problem>
+</problems>
+

java/java-tests/testData/inspection/deadCode/unusedEnum/src/Test.java

@@ -0,0 +1,3 @@
+public enum MyEnum {
+  A, B;
+}

java/java-tests/testSrc/com/intellij/codeInspection/UnusedDeclarationTest.java

@@ -143,6 +143,11 @@ public class UnusedDeclarationTest extends InspectionTestCase {
     doTest();
   }
 
+  public void testUnusedEnum() {
+    LanguageLevelProjectExtension.getInstance(getJavaFacade().getProject()).setLanguageLevel(LanguageLevel.JDK_1_5);
+    doTest();
+  }
+
   public void testJunitEntryPoint() {
     doTest();
   }