diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/lightClasses/IDELightClassContexts.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/lightClasses/IDELightClassContexts.kt
index ee119fe75c1..684993bf0d0 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/lightClasses/IDELightClassContexts.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/lightClasses/IDELightClassContexts.kt
@@ -187,6 +187,8 @@ internal object IDELightClassContexts {
 
         if (isDataClassWithGeneratedMembersOverridden(classOrObject)) return false
 
+        if (isDataClassWhichExtendsOtherClass(classOrObject)) return false
+
         if (hasMembersOverridingInternalMembers(classOrObject)) return false
 
         if (hasSerializationLikeAnnotations(classOrObject)) return false
@@ -232,6 +234,11 @@ internal object IDELightClassContexts {
                 DataClassDescriptorResolver.isComponentLike(name)
     }
 
+    private fun isDataClassWhichExtendsOtherClass(classOrObject: KtClassOrObject): Boolean {
+        return classOrObject.hasModifier(KtTokens.DATA_KEYWORD) &&
+                classOrObject.superTypeListEntries.isNotEmpty()
+    }
+
     private fun hasMembersOverridingInternalMembers(classOrObject: KtClassOrObject): Boolean {
         return classOrObject.declarations.filterIsInstance<KtCallableDeclaration>().any {
             possiblyOverridesInternalMember(it)
diff --git a/idea/tests/org/jetbrains/kotlin/asJava/LightClassFromTextTest.kt b/idea/tests/org/jetbrains/kotlin/asJava/LightClassFromTextTest.kt
index e8e86183a14..15b65ac27b5 100644
--- a/idea/tests/org/jetbrains/kotlin/asJava/LightClassFromTextTest.kt
+++ b/idea/tests/org/jetbrains/kotlin/asJava/LightClassFromTextTest.kt
@@ -10,6 +10,7 @@ import com.intellij.psi.PsiClass
 import com.intellij.psi.PsiClassType
 import com.intellij.psi.PsiType
 import com.intellij.testFramework.LightProjectDescriptor
+import org.jetbrains.kotlin.asJava.elements.KtLightMethod
 import org.jetbrains.kotlin.idea.test.KotlinLightCodeInsightFixtureTestCase
 import org.jetbrains.kotlin.idea.test.KotlinWithJdkAndRuntimeLightProjectDescriptor
 import org.jetbrains.kotlin.idea.test.PluginTestCaseBase
@@ -104,6 +105,27 @@ class LightClassFromTextTest : KotlinLightCodeInsightFixtureTestCase() {
         assertEquals(exampleClass, (f.returnType as PsiClassType).resolve())
     }
 
+    // KT-32969
+    fun testDataClassWhichExtendsAbstractWithFinalToString() {
+        myFixture.configureByText(
+            "A.kt",
+            """
+            abstract class A {
+                final override fun toString() = "nya"
+            }
+            """.trimIndent()
+        ) as KtFile
+        val dataClass = classesFromText("data class D(val x: Int): A()").single()
+
+        for (method in dataClass.methods) {
+            if (method is KtLightMethod) {
+                // LazyLightClassMemberMatchingError$WrongMatch will be thrown
+                // if memberIndex conflict will be found
+                method.clsDelegate
+            }
+        }
+    }
+
     fun testHeaderDeclarations() {
         val contextFile = myFixture.configureByText("Header.kt", "header class Foo\n\nheader fun foo()\n") as KtFile
         val headerClass = contextFile.declarations.single { it is KtClassOrObject }