Do not report "property can be private" in annotations #KT-19273 Fixed

idea/src/org/jetbrains/kotlin/idea/inspections/MemberVisibilityCanPrivateInspection.kt

@@ -77,6 +77,8 @@ class MemberVisibilityCanPrivateInspection : AbstractKotlinInspection() {
         }
 
         val classOrObject = declaration.containingClassOrObject ?: return false
+        if (classOrObject.isAnnotation()) return false
+
         val inheritable = classOrObject is KtClass && classOrObject.isInheritable()
         if (!inheritable && declaration.hasModifier(KtTokens.PROTECTED_KEYWORD)) return false //reported by ProtectedInFinalInspection
         if (declaration.isOverridable()) return false

idea/testData/inspectionsLocal/memberVisibilityCanBePrivate/annotation.kt

@@ -0,0 +1,9 @@
+// WITH_RUNTIME
+// ERROR: Body is not allowed for annotation class
+// PROBLEM: none
+
+annotation class Ann(val <caret>x: String) {
+    fun foo() {
+        println(x)
+    }
+}

idea/tests/org/jetbrains/kotlin/idea/inspections/LocalInspectionTestGenerated.java

@@ -1022,6 +1022,12 @@ public class LocalInspectionTestGenerated extends AbstractLocalInspectionTest {
             KotlinTestUtils.assertAllTestsPresentByMetadata(this.getClass(), new File("idea/testData/inspectionsLocal/memberVisibilityCanBePrivate"), Pattern.compile("^([\\w\\-_]+)\\.kt$"), TargetBackend.ANY, true);
         }
 
+        @TestMetadata("annotation.kt")
+        public void testAnnotation() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/inspectionsLocal/memberVisibilityCanBePrivate/annotation.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("JvmFieldOnParameter.kt")
         public void testJvmFieldOnParameter() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("idea/testData/inspectionsLocal/memberVisibilityCanBePrivate/JvmFieldOnParameter.kt");