diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenTestGenerated.java
index 39be017b90d..856c3878a18 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenTestGenerated.java
@@ -13745,6 +13745,12 @@ public class FirLightTreeBlackBoxCodegenTestGenerated extends AbstractFirLightTr
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @Test
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirPsiBlackBoxCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirPsiBlackBoxCodegenTestGenerated.java
index dba248ea920..dcb6031c3d3 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirPsiBlackBoxCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirPsiBlackBoxCodegenTestGenerated.java
@@ -13745,6 +13745,12 @@ public class FirPsiBlackBoxCodegenTestGenerated extends AbstractFirPsiBlackBoxCo
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @Test
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
diff --git a/compiler/testData/codegen/box/dataClasses/fromOtherModule.kt b/compiler/testData/codegen/box/dataClasses/fromOtherModule.kt
new file mode 100644
index 00000000000..9c28f320bf1
--- /dev/null
+++ b/compiler/testData/codegen/box/dataClasses/fromOtherModule.kt
@@ -0,0 +1,19 @@
+// MODULE: lib
+// FILE: lib.kt
+
+data class D(val x: Int)
+
+// MODULE: main(lib)
+// FILE: main.kt
+
+fun box() : String {
+    val a = D(1)
+    val b = D(2)
+    val c = D(1)
+
+    if (a == b) return "FAIL 1"
+    if (a != c) return "FAIL 2"
+    if (!a.equals(c)) return "FAIL 3"
+    if (a.hashCode() != c.hashCode()) return "FAIL 4"
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
index 01b2397918b..89021da1632 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxCodegenTestGenerated.java
@@ -13421,6 +13421,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @Test
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
index 303d9f448c0..24b84b67583 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenTestGenerated.java
@@ -13745,6 +13745,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @Test
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenWithIrInlinerTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenWithIrInlinerTestGenerated.java
index 04c3bd9d080..262abc66bf3 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenWithIrInlinerTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxCodegenWithIrInlinerTestGenerated.java
@@ -13745,6 +13745,12 @@ public class IrBlackBoxCodegenWithIrInlinerTestGenerated extends AbstractIrBlack
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @Test
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
index 9b9adafbb24..bb510d4f6c9 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
@@ -10901,6 +10901,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
             runTest("compiler/testData/codegen/box/dataClasses/genericParam.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/JsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/JsCodegenBoxTestGenerated.java
index 38aad63366e..8470ac77652 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/JsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/JsCodegenBoxTestGenerated.java
@@ -9989,6 +9989,12 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @Test
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsCodegenBoxTestGenerated.java
index 0c00ba451d8..f2d03f8c8f7 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/fir/FirJsCodegenBoxTestGenerated.java
@@ -10085,6 +10085,12 @@ public class FirJsCodegenBoxTestGenerated extends AbstractFirJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @Test
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenBoxTestGenerated.java
index b31de644495..54ec7ae4703 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenBoxTestGenerated.java
@@ -10085,6 +10085,12 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @Test
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsES6CodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsES6CodegenBoxTestGenerated.java
index 3184511d877..df52dcecbec 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsES6CodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsES6CodegenBoxTestGenerated.java
@@ -10085,6 +10085,12 @@ public class IrJsES6CodegenBoxTestGenerated extends AbstractIrJsES6CodegenBoxTes
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @Test
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @Test
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
diff --git a/native/native.tests/testData/klibContents/data_class.kt b/native/native.tests/testData/klibContents/data_class.kt
new file mode 100644
index 00000000000..b133fc16524
--- /dev/null
+++ b/native/native.tests/testData/klibContents/data_class.kt
@@ -0,0 +1,11 @@
+// MUTED_WHEN: K1
+package test
+
+data class DataClass(
+    val intProp: Int,
+    val stringProp: String
+) {
+    val nonConstructorProp: Int = 0
+}
+
+data object DataObject
\ No newline at end of file
diff --git a/native/native.tests/testData/klibContents/data_class.txt b/native/native.tests/testData/klibContents/data_class.txt
new file mode 100644
index 00000000000..ec55d50b826
--- /dev/null
+++ b/native/native.tests/testData/klibContents/data_class.txt
@@ -0,0 +1,16 @@
+    data class DataClass constructor(intProp: Int, stringProp: String) {
+        val intProp: Int
+        val nonConstructorProp: Int = 0
+        val stringProp: String
+        operator fun component1(): Int
+        operator fun component2(): String
+        fun copy(intProp: Int = ..., stringProp: String = ...): DataClass
+        override fun equals(other: Any?): Boolean
+        override fun hashCode(): Int
+        override fun toString(): String
+    }
+    data object DataObject {
+        override fun equals(other: Any?): Boolean
+        override fun hashCode(): Int
+        override fun toString(): String
+    }
\ No newline at end of file
diff --git a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeCodegenBoxTestGenerated.java b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeCodegenBoxTestGenerated.java
index 078f58ab9c1..6058b6b3e93 100644
--- a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeCodegenBoxTestGenerated.java
+++ b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeCodegenBoxTestGenerated.java
@@ -11119,6 +11119,12 @@ public class FirNativeCodegenBoxTestGenerated extends AbstractNativeCodegenBoxTe
                 runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
             }
 
+            @Test
+            @TestMetadata("fromOtherModule.kt")
+            public void testFromOtherModule() throws Exception {
+                runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+            }
+
             @Test
             @TestMetadata("genericParam.kt")
             public void testGenericParam() throws Exception {
diff --git a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeCodegenBoxTestNoPLGenerated.java b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeCodegenBoxTestNoPLGenerated.java
index 7fdf662ad4a..4b9958c64fc 100644
--- a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeCodegenBoxTestNoPLGenerated.java
+++ b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeCodegenBoxTestNoPLGenerated.java
@@ -11371,6 +11371,12 @@ public class FirNativeCodegenBoxTestNoPLGenerated extends AbstractNativeCodegenB
                 runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
             }
 
+            @Test
+            @TestMetadata("fromOtherModule.kt")
+            public void testFromOtherModule() throws Exception {
+                runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+            }
+
             @Test
             @TestMetadata("genericParam.kt")
             public void testGenericParam() throws Exception {
diff --git a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeKLibContentsTestGenerated.java b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeKLibContentsTestGenerated.java
index 798306ec858..77be6d7f87c 100644
--- a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeKLibContentsTestGenerated.java
+++ b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/FirNativeKLibContentsTestGenerated.java
@@ -40,6 +40,12 @@ public class FirNativeKLibContentsTestGenerated extends AbstractNativeKlibConten
         runTest("native/native.tests/testData/klibContents/annotations_source_retention.kt");
     }
 
+    @Test
+    @TestMetadata("data_class.kt")
+    public void testData_class() throws Exception {
+        runTest("native/native.tests/testData/klibContents/data_class.kt");
+    }
+
     @Test
     @TestMetadata("kt55464_serializeTypeAnnotation.kt")
     public void testKt55464_serializeTypeAnnotation() throws Exception {
diff --git a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestGenerated.java b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestGenerated.java
index 42db7ebfce5..cbad4e622c6 100644
--- a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestGenerated.java
+++ b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestGenerated.java
@@ -10994,6 +10994,12 @@ public class NativeCodegenBoxTestGenerated extends AbstractNativeCodegenBoxTest
                 runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
             }
 
+            @Test
+            @TestMetadata("fromOtherModule.kt")
+            public void testFromOtherModule() throws Exception {
+                runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+            }
+
             @Test
             @TestMetadata("genericParam.kt")
             public void testGenericParam() throws Exception {
diff --git a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestNoPLGenerated.java b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestNoPLGenerated.java
index 677f25065b7..573946adabe 100644
--- a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestNoPLGenerated.java
+++ b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeCodegenBoxTestNoPLGenerated.java
@@ -11120,6 +11120,12 @@ public class NativeCodegenBoxTestNoPLGenerated extends AbstractNativeCodegenBoxT
                 runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
             }
 
+            @Test
+            @TestMetadata("fromOtherModule.kt")
+            public void testFromOtherModule() throws Exception {
+                runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+            }
+
             @Test
             @TestMetadata("genericParam.kt")
             public void testGenericParam() throws Exception {
diff --git a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeKLibContentsTestGenerated.java b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeKLibContentsTestGenerated.java
index 1c7dc35cd46..862d765142f 100644
--- a/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeKLibContentsTestGenerated.java
+++ b/native/native.tests/tests-gen/org/jetbrains/kotlin/konan/blackboxtest/NativeKLibContentsTestGenerated.java
@@ -36,6 +36,12 @@ public class NativeKLibContentsTestGenerated extends AbstractNativeKlibContentsT
         runTest("native/native.tests/testData/klibContents/annotations_source_retention.kt");
     }
 
+    @Test
+    @TestMetadata("data_class.kt")
+    public void testData_class() throws Exception {
+        runTest("native/native.tests/testData/klibContents/data_class.kt");
+    }
+
     @Test
     @TestMetadata("kt55464_serializeTypeAnnotation.kt")
     public void testKt55464_serializeTypeAnnotation() throws Exception {
diff --git a/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/IrCodegenBoxWasmTestGenerated.java b/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/IrCodegenBoxWasmTestGenerated.java
index 01c210b8095..1ec2f6788c6 100644
--- a/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/IrCodegenBoxWasmTestGenerated.java
+++ b/wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/IrCodegenBoxWasmTestGenerated.java
@@ -8916,6 +8916,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             runTest("compiler/testData/codegen/box/dataClasses/floatParam.kt");
         }
 
+        @TestMetadata("fromOtherModule.kt")
+        public void testFromOtherModule() throws Exception {
+            runTest("compiler/testData/codegen/box/dataClasses/fromOtherModule.kt");
+        }
+
         @TestMetadata("genericParam.kt")
         public void testGenericParam() throws Exception {
             runTest("compiler/testData/codegen/box/dataClasses/genericParam.kt");