Redundant companion reference: Fix false negative in enum entry #KT-27861 Fixed

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

@@ -41,7 +41,6 @@ class RedundantCompanionReferenceInspection : AbstractKotlinInspection() {
 
             val containingClass = objectDeclaration.containingClass() ?: return
             if (expression.containingClass() != containingClass && expression == parent.receiverExpression) return
-            if (parent.getStrictParentOfType<KtEnumEntry>()?.containingClass() == containingClass) return
             val containingClassDescriptor = containingClass.descriptor as? ClassDescriptor ?: return
             val selectorDescriptor = selectorExpression?.getCallableDescriptor()
             when (selectorDescriptor) {

idea/testData/inspectionsLocal/redundantCompanionReference/inEnumEntry3.kt

@@ -0,0 +1,7 @@
+enum class E(val value: String) {
+    E1(E.<caret>Companion.foo);
+
+    companion object {
+        const val foo = ""
+    }
+}

idea/testData/inspectionsLocal/redundantCompanionReference/inEnumEntry3.kt.after

@@ -0,0 +1,7 @@
+enum class E(val value: String) {
+    E1(E.foo);
+
+    companion object {
+        const val foo = ""
+    }
+}

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

@@ -3994,6 +3994,11 @@ public class LocalInspectionTestGenerated extends AbstractLocalInspectionTest {
             runTest("idea/testData/inspectionsLocal/redundantCompanionReference/inEnumEntry2.kt");
         }
 
+        @TestMetadata("inEnumEntry3.kt")
+        public void testInEnumEntry3() throws Exception {
+            runTest("idea/testData/inspectionsLocal/redundantCompanionReference/inEnumEntry3.kt");
+        }
+
         @TestMetadata("methodArgument.kt")
         public void testMethodArgument() throws Exception {
             runTest("idea/testData/inspectionsLocal/redundantCompanionReference/methodArgument.kt");