diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/FirCompileKotlinAgainstKotlinTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/FirCompileKotlinAgainstKotlinTestGenerated.java
index 84630348abd..78cb73d344c 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/FirCompileKotlinAgainstKotlinTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/codegen/FirCompileKotlinAgainstKotlinTestGenerated.java
@@ -245,6 +245,11 @@ public class FirCompileKotlinAgainstKotlinTestGenerated extends AbstractFirCompi
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithDefaultArgs.kt");
     }
 
+    @TestMetadata("internalWithInlineClass.kt")
+    public void testInternalWithInlineClass() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithInlineClass.kt");
+    }
+
     @TestMetadata("internalWithOtherModuleName.kt")
     public void testInternalWithOtherModuleName() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithOtherModuleName.kt");
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/MethodSignatureMapper.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/MethodSignatureMapper.kt
index 30b0ad3cb90..ab1e9090d9a 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/MethodSignatureMapper.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/MethodSignatureMapper.kt
@@ -134,7 +134,10 @@ class MethodSignatureMapper(private val context: JvmBackendContext) {
             origin != JvmLoweredDeclarationOrigin.SYNTHETIC_METHOD_FOR_PROPERTY_OR_TYPEALIAS_ANNOTATIONS &&
             !isPublishedApi()
         ) {
-            return this
+            return originalFunction.takeIf { it != this }
+                ?.safeAs<IrSimpleFunction>()
+                ?.getInternalFunctionForManglingIfNeeded()
+                ?: this
         }
         originalForDefaultAdapter?.getInternalFunctionForManglingIfNeeded()?.let { return it }
         return null
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/irCodegenUtils.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/irCodegenUtils.kt
index 1dcae594b3d..a9d18685a60 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/irCodegenUtils.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/irCodegenUtils.kt
@@ -383,12 +383,13 @@ fun IrSimpleType.isRawType(): Boolean =
     hasAnnotation(JvmGeneratorExtensions.RAW_TYPE_ANNOTATION_FQ_NAME)
 
 internal fun classFileContainsMethod(classId: ClassId, function: IrFunction, context: JvmBackendContext): Boolean? {
-    val originalDescriptor = context.methodSignatureMapper.mapSignatureWithGeneric(function).asmMethod.descriptor
+    val originalSignature = context.methodSignatureMapper.mapSignatureWithGeneric(function).asmMethod
+    val originalDescriptor = originalSignature.descriptor
     val descriptor = if (function.isSuspend)
         listOf(*Type.getArgumentTypes(originalDescriptor), Type.getObjectType("kotlin/coroutines/Continuation"))
             .joinToString(prefix = "(", postfix = ")", separator = "") + AsmTypes.OBJECT_TYPE
     else originalDescriptor
-    return classFileContainsMethod(classId, context.state, Method(function.name.asString(), descriptor))
+    return classFileContainsMethod(classId, context.state, Method(originalSignature.name, descriptor))
 }
 
 val IrMemberWithContainerSource.parentClassId: ClassId?
diff --git a/compiler/testData/compileKotlinAgainstKotlin/internalWithInlineClass.kt b/compiler/testData/compileKotlinAgainstKotlin/internalWithInlineClass.kt
new file mode 100644
index 00000000000..939d2ee11fe
--- /dev/null
+++ b/compiler/testData/compileKotlinAgainstKotlin/internalWithInlineClass.kt
@@ -0,0 +1,16 @@
+// IGNORE_BACKEND_FIR: JVM_IR
+// FILE: A.kt
+
+package a
+
+inline class Message(val value: String)
+
+class Box {
+    internal fun result(msg: Message): String = msg.value
+}
+
+// FILE: B.kt
+
+fun box(): String {
+    return a.Box().result(a.Message("OK"))
+}
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/CompileKotlinAgainstKotlinTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/CompileKotlinAgainstKotlinTestGenerated.java
index fcc51dc8196..db674468db1 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/CompileKotlinAgainstKotlinTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/CompileKotlinAgainstKotlinTestGenerated.java
@@ -244,6 +244,11 @@ public class CompileKotlinAgainstKotlinTestGenerated extends AbstractCompileKotl
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithDefaultArgs.kt");
     }
 
+    @TestMetadata("internalWithInlineClass.kt")
+    public void testInternalWithInlineClass() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithInlineClass.kt");
+    }
+
     @TestMetadata("internalWithOtherModuleName.kt")
     public void testInternalWithOtherModuleName() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithOtherModuleName.kt");
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/IrCompileKotlinAgainstKotlinTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/IrCompileKotlinAgainstKotlinTestGenerated.java
index 0cb25e9e39d..5d113d872e1 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/IrCompileKotlinAgainstKotlinTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/IrCompileKotlinAgainstKotlinTestGenerated.java
@@ -245,6 +245,11 @@ public class IrCompileKotlinAgainstKotlinTestGenerated extends AbstractIrCompile
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithDefaultArgs.kt");
     }
 
+    @TestMetadata("internalWithInlineClass.kt")
+    public void testInternalWithInlineClass() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithInlineClass.kt");
+    }
+
     @TestMetadata("internalWithOtherModuleName.kt")
     public void testInternalWithOtherModuleName() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithOtherModuleName.kt");
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/JvmIrAgainstOldBoxTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/JvmIrAgainstOldBoxTestGenerated.java
index 8e232cfc58f..7a938973a5b 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/JvmIrAgainstOldBoxTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/JvmIrAgainstOldBoxTestGenerated.java
@@ -245,6 +245,11 @@ public class JvmIrAgainstOldBoxTestGenerated extends AbstractJvmIrAgainstOldBoxT
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithDefaultArgs.kt");
     }
 
+    @TestMetadata("internalWithInlineClass.kt")
+    public void testInternalWithInlineClass() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithInlineClass.kt");
+    }
+
     @TestMetadata("internalWithOtherModuleName.kt")
     public void testInternalWithOtherModuleName() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithOtherModuleName.kt");
diff --git a/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/JvmOldAgainstIrBoxTestGenerated.java b/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/JvmOldAgainstIrBoxTestGenerated.java
index 842f7dc7c68..05848569b43 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/JvmOldAgainstIrBoxTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/ir/JvmOldAgainstIrBoxTestGenerated.java
@@ -245,6 +245,11 @@ public class JvmOldAgainstIrBoxTestGenerated extends AbstractJvmOldAgainstIrBoxT
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithDefaultArgs.kt");
     }
 
+    @TestMetadata("internalWithInlineClass.kt")
+    public void testInternalWithInlineClass() throws Exception {
+        runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithInlineClass.kt");
+    }
+
     @TestMetadata("internalWithOtherModuleName.kt")
     public void testInternalWithOtherModuleName() throws Exception {
         runTest("compiler/testData/compileKotlinAgainstKotlin/internalWithOtherModuleName.kt");