diff --git a/compiler/testData/diagnostics/tests/regressions/kt13685.kt b/compiler/testData/diagnostics/tests/regressions/kt13685.kt
new file mode 100644
index 00000000000..d578e24185a
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/regressions/kt13685.kt
@@ -0,0 +1,6 @@
+// !DIAGNOSTICS: -UNREACHABLE_CODE
+
+fun foo() {
+    val <!UNUSED_VARIABLE!>text<!>: List<Any> = null!!
+    text.<!UNRESOLVED_REFERENCE!>map<!> <!DEBUG_INFO_ELEMENT_WITH_ERROR_TYPE!>Any<!><!SYNTAX!>?<!>::<!UNRESOLVED_REFERENCE!>toString<!>
+}
diff --git a/compiler/testData/diagnostics/tests/regressions/kt13685.txt b/compiler/testData/diagnostics/tests/regressions/kt13685.txt
new file mode 100644
index 00000000000..65a6ac47e1f
--- /dev/null
+++ b/compiler/testData/diagnostics/tests/regressions/kt13685.txt
@@ -0,0 +1,3 @@
+package
+
+public fun foo(): kotlin.Unit
diff --git a/compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java
index 5601666aae2..d1a1e79a121 100644
--- a/compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java
@@ -14652,6 +14652,12 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTest {
                 doTest(fileName);
             }
 
+            @TestMetadata("kt13685.kt")
+            public void testKt13685() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/regressions/kt13685.kt");
+                doTest(fileName);
+            }
+
             @TestMetadata("kt1489_1728.kt")
             public void testKt1489_1728() throws Exception {
                 String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/diagnostics/tests/regressions/kt1489_1728.kt");