diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxInlineCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxInlineCodegenTestGenerated.java
index 3cb5aa9d838..6a2144c42a5 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxInlineCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxInlineCodegenTestGenerated.java
@@ -158,6 +158,18 @@ public class FirBlackBoxInlineCodegenTestGenerated extends AbstractFirBlackBoxIn
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxInlineCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxInlineCodegenTestGenerated.java
index 7d5ef78bca6..b4e4109f916 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxInlineCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxInlineCodegenTestGenerated.java
@@ -158,6 +158,18 @@ public class FirLightTreeBlackBoxInlineCodegenTestGenerated extends AbstractFirL
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java
index ca17cef90e7..b91e529a477 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java
@@ -158,6 +158,18 @@ public class FirSerializeCompileKotlinAgainstInlineKotlinTestGenerated extends A
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt b/compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt
new file mode 100644
index 00000000000..8ced37ed554
--- /dev/null
+++ b/compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt
@@ -0,0 +1,17 @@
+// NO_CHECK_LAMBDA_INLINING
+// MODULE: lib
+// FILE: lib.kt
+package lib
+
+open class C {
+    fun o() = "O"
+    val k = "K"
+}
+
+inline fun inlineFun(f: () -> String = { val cc = object : C() {}; cc.o() + cc.k; }): String {
+    return f()
+}
+
+// MODULE: main(lib)
+// FILE: box.kt
+fun box() = lib.inlineFun()
\ No newline at end of file
diff --git a/compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt b/compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt
new file mode 100644
index 00000000000..094c21fbcdb
--- /dev/null
+++ b/compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt
@@ -0,0 +1,18 @@
+// NO_CHECK_LAMBDA_INLINING
+// MODULE: lib
+// FILE: lib.kt
+package lib
+
+open class C {
+    fun o() = "O"
+    val k = "K"
+}
+
+inline fun inlineFun(): String {
+    val cc = object : C() {}
+    return cc.o() + cc.k
+}
+
+// MODULE: main(lib)
+// FILE: box.kt
+fun box() = lib.inlineFun()
\ No newline at end of file
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxInlineCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxInlineCodegenTestGenerated.java
index 1bd2c44a3e8..7645f145f17 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxInlineCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/BlackBoxInlineCodegenTestGenerated.java
@@ -158,6 +158,18 @@ public class BlackBoxInlineCodegenTestGenerated extends AbstractBlackBoxInlineCo
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/CompileKotlinAgainstInlineKotlinTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/CompileKotlinAgainstInlineKotlinTestGenerated.java
index 299c6ac049f..2a80ee5086c 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/CompileKotlinAgainstInlineKotlinTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/CompileKotlinAgainstInlineKotlinTestGenerated.java
@@ -158,6 +158,18 @@ public class CompileKotlinAgainstInlineKotlinTestGenerated extends AbstractCompi
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxInlineCodegenTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxInlineCodegenTestGenerated.java
index 521680e97d9..e001762caec 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxInlineCodegenTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrBlackBoxInlineCodegenTestGenerated.java
@@ -158,6 +158,18 @@ public class IrBlackBoxInlineCodegenTestGenerated extends AbstractIrBlackBoxInli
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrCompileKotlinAgainstInlineKotlinTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrCompileKotlinAgainstInlineKotlinTestGenerated.java
index f3926275054..6222c097971 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrCompileKotlinAgainstInlineKotlinTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrCompileKotlinAgainstInlineKotlinTestGenerated.java
@@ -158,6 +158,18 @@ public class IrCompileKotlinAgainstInlineKotlinTestGenerated extends AbstractIrC
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java
index bc4250a6257..621796ce945 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated.java
@@ -158,6 +158,18 @@ public class IrSerializeCompileKotlinAgainstInlineKotlinTestGenerated extends Ab
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmIrAgainstOldBoxInlineTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmIrAgainstOldBoxInlineTestGenerated.java
index fa890ed8ede..23f4ff55fc6 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmIrAgainstOldBoxInlineTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmIrAgainstOldBoxInlineTestGenerated.java
@@ -158,6 +158,18 @@ public class JvmIrAgainstOldBoxInlineTestGenerated extends AbstractJvmIrAgainstO
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmOldAgainstIrBoxInlineTestGenerated.java b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmOldAgainstIrBoxInlineTestGenerated.java
index 48a54397bcb..65b450e28a8 100644
--- a/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmOldAgainstIrBoxInlineTestGenerated.java
+++ b/compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/codegen/JvmOldAgainstIrBoxInlineTestGenerated.java
@@ -158,6 +158,18 @@ public class JvmOldAgainstIrBoxInlineTestGenerated extends AbstractJvmOldAgainst
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/JsCodegenInlineTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/JsCodegenInlineTestGenerated.java
index 1bbfda93cca..5753206610a 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/JsCodegenInlineTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/JsCodegenInlineTestGenerated.java
@@ -158,6 +158,18 @@ public class JsCodegenInlineTestGenerated extends AbstractJsCodegenInlineTest {
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenInlineTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenInlineTestGenerated.java
index 5ddf65e0eee..f2af89e5a1e 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenInlineTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/IrJsCodegenInlineTestGenerated.java
@@ -158,6 +158,18 @@ public class IrJsCodegenInlineTestGenerated extends AbstractIrJsCodegenInlineTes
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @Test
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @Test
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @Test
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/testOld/wasm/semantics/IrCodegenBoxInlineWasmTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/testOld/wasm/semantics/IrCodegenBoxInlineWasmTestGenerated.java
index 9b2242ca047..7dcccabf3f6 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/testOld/wasm/semantics/IrCodegenBoxInlineWasmTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/testOld/wasm/semantics/IrCodegenBoxInlineWasmTestGenerated.java
@@ -150,6 +150,16 @@ public class IrCodegenBoxInlineWasmTestGenerated extends AbstractIrCodegenBoxInl
             runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
         }
 
+        @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+        public void testFakeOverrideInDefaultMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+        }
+
+        @TestMetadata("fakeOverrideMultiModule.kt")
+        public void testFakeOverrideMultiModule() throws Exception {
+            runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+        }
+
         @TestMetadata("functionExpression.kt")
         public void testFunctionExpression() throws Exception {
             runTest("compiler/testData/codegen/boxInline/anonymousObject/functionExpression.kt");
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 0eabd570925..3c86f9fbabe 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
@@ -39230,6 +39230,18 @@ public class NativeCodegenBoxTestGenerated extends AbstractNativeCodegenBoxTest
                 runTest("compiler/testData/codegen/boxInline/anonymousObject/defineClass.kt");
             }
 
+            @Test
+            @TestMetadata("fakeOverrideInDefaultMultiModule.kt")
+            public void testFakeOverrideInDefaultMultiModule() throws Exception {
+                runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideInDefaultMultiModule.kt");
+            }
+
+            @Test
+            @TestMetadata("fakeOverrideMultiModule.kt")
+            public void testFakeOverrideMultiModule() throws Exception {
+                runTest("compiler/testData/codegen/boxInline/anonymousObject/fakeOverrideMultiModule.kt");
+            }
+
             @Test
             @TestMetadata("functionExpression.kt")
             public void testFunctionExpression() throws Exception {