diff --git a/compiler/testData/codegen/box/checkcastOptimization/kt19246.kt b/compiler/testData/codegen/box/checkcastOptimization/kt19246.kt
new file mode 100644
index 00000000000..7fce122da6a
--- /dev/null
+++ b/compiler/testData/codegen/box/checkcastOptimization/kt19246.kt
@@ -0,0 +1,19 @@
+// WITH_RUNTIME
+
+enum class ResultType constructor(val reason: String) {
+    SOMETHING("123"),
+    OK("OK"),
+    UNKNOWN("FAIL");
+
+    companion object {
+        fun getByVal(reason: String): ResultType {
+            return ResultType.values().firstOrDefault({ it.reason == reason }, UNKNOWN)
+        }
+    }
+}
+
+inline fun <T> Array<out T>.firstOrDefault(predicate: (T) -> Boolean, default: T): T {
+    return firstOrNull(predicate) ?: default
+}
+
+fun box(): String = ResultType.getByVal("OK").reason
diff --git a/compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java b/compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
index 90d097e1832..19e28ca14eb 100644
--- a/compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-ir-jvm/tests/org/jetbrains/kotlin/codegen/ir/IrBlackBoxCodegenTestGenerated.java
@@ -2722,6 +2722,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/checkcastOptimization/kt19128.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("kt19246.kt")
+        public void testKt19246() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/checkcastOptimization/kt19246.kt");
+            doTest(fileName);
+        }
     }
 
     @TestMetadata("compiler/testData/codegen/box/classLiteral")
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
index 2380cc8566c..34a6fa678df 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxCodegenTestGenerated.java
@@ -2722,6 +2722,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/checkcastOptimization/kt19128.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("kt19246.kt")
+        public void testKt19246() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/checkcastOptimization/kt19246.kt");
+            doTest(fileName);
+        }
     }
 
     @TestMetadata("compiler/testData/codegen/box/classLiteral")
diff --git a/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java b/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
index e1ed00b2a8f..d91f412f796 100644
--- a/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
+++ b/compiler/tests/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
@@ -2722,6 +2722,12 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/checkcastOptimization/kt19128.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("kt19246.kt")
+        public void testKt19246() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/checkcastOptimization/kt19246.kt");
+            doTest(fileName);
+        }
     }
 
     @TestMetadata("compiler/testData/codegen/box/classLiteral")
diff --git a/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java b/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
index 11b530cae75..ff2df8c9164 100644
--- a/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
+++ b/js/js.tests/test/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
@@ -3274,6 +3274,12 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/checkcastOptimization/kt19128.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("kt19246.kt")
+        public void testKt19246() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/box/checkcastOptimization/kt19246.kt");
+            doTest(fileName);
+        }
     }
 
     @TestMetadata("compiler/testData/codegen/box/classLiteral")