Don't report when inner class is in anonymous object

GitOrigin-RevId: 8b966d428717fa1e0f6ef0b317b28d44ae9c7811

plugins/kotlin/idea/src/org/jetbrains/kotlin/idea/inspections/RedundantInnerClassModifierInspection.kt

@@ -28,10 +28,12 @@ import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.descriptorUtil.isSubclassOf
 import org.jetbrains.kotlin.resolve.lazy.BodyResolveMode
 import org.jetbrains.kotlin.synthetic.SyntheticJavaPropertyDescriptor
+import org.jetbrains.kotlin.utils.addToStdlib.safeAs
 
 class RedundantInnerClassModifierInspection : AbstractKotlinInspection() {
     override fun buildVisitor(holder: ProblemsHolder, isOnTheFly: Boolean) = classVisitor(fun(targetClass) {
         val innerModifier = targetClass.modifierList?.getModifier(KtTokens.INNER_KEYWORD) ?: return
+        if (targetClass.containingClassOrObject.safeAs<KtObjectDeclaration>()?.isObjectLiteral() == true) return
         val outerClasses = targetClass.parentsOfType<KtClass>().dropWhile { it == targetClass }.toSet()
         if (outerClasses.isEmpty() || outerClasses.any { it.isLocal || it.isInner() }) return
         if (targetClass.hasOuterClassMemberReference(outerClasses)) return

plugins/kotlin/idea/tests/testData/inspectionsLocal/redundantInnerClassModifier/inAnonymousObject.kt

@@ -0,0 +1,14 @@
+// PROBLEM: none
+class Foo {
+    fun foo() {
+        object {
+            private val x = "foo"
+
+            <caret>inner class Foo {
+                fun foo() {
+                    x
+                }
+            }
+        }
+    }
+}