diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java
index 7462f03ba8a..61b0449d660 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirBlackBoxCodegenTestGenerated.java
@@ -19950,6 +19950,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/ifaceChild.kt");
                 }
 
+                @Test
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/nullableResult.kt");
+                }
+
                 @Test
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
@@ -20008,6 +20014,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/ifaceChild.kt");
                 }
 
+                @Test
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt");
+                }
+
                 @Test
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
@@ -20066,6 +20078,12 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/ifaceChild.kt");
                 }
 
+                @Test
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt");
+                }
+
                 @Test
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
diff --git a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ExpressionCodegen.kt b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ExpressionCodegen.kt
index 159ef531a65..578ca432e8c 100644
--- a/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ExpressionCodegen.kt
+++ b/compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/ExpressionCodegen.kt
@@ -654,6 +654,8 @@ class ExpressionCodegen(
     // bridge to unbox it. Instead, we unbox it in the non-mangled function manually.
     private fun unboxResultIfNeeded(arg: IrGetValue) {
         if (arg.type.erasedUpperBound.fqNameWhenAvailable != StandardNames.RESULT_FQ_NAME) return
+        // Unlike inline callable reference arguments, nullable Result arguments are unboxed during coercion to not-null Result
+        if (arg.type.isNullable()) return
         // Do not unbox arguments of lambda, but unbox arguments of callable references
         if (irFunction.origin == IrDeclarationOrigin.LOCAL_FUNCTION_FOR_LAMBDA) return
         if (!onlyResultInlineClassParameters()) return
diff --git a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/any.kt b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/any.kt
index 1e68b5d1782..349099584df 100644
--- a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/any.kt
+++ b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/any.kt
@@ -6,17 +6,23 @@ object Foo {
     }
 
     fun bar(value: Value?) {
-        res = value?.value as String
+        res = value?.value as String?
     }
 }
 
-var res = "FAIL"
+var res: String? = "FAIL"
 
 fun box(): String {
     Value("OK").let(Foo::foo)
     if (res != "OK") return "FAIL 1: $res"
-    res = "FAIL"
+    res = "FAIL 2"
 
     Value("OK").let(Foo::bar)
-    return res
+    if (res != "OK") return "FAIL 3: $res"
+    res = "FAIL 4"
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 5: $res"
+
+    return "OK"
 }
\ No newline at end of file
diff --git a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/anyN.kt b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/anyN.kt
index baba06fb8bb..005f9cc3776 100644
--- a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/anyN.kt
+++ b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/anyN.kt
@@ -6,17 +6,23 @@ object Foo {
     }
 
     fun bar(value: Value?) {
-        res = value?.value as String
+        res = value?.value as String?
     }
 }
 
-var res = "FAIL"
+var res: String? = "FAIL"
 
 fun box(): String {
     Value("OK").let(Foo::foo)
     if (res != "OK") return "FAIL 1: $res"
-    res = "FAIL"
+    res = "FAIL 2"
 
     Value("OK").let(Foo::bar)
-    return res
+    if (res != "OK") return "FAIL 3: $res"
+    res = "FAIL 4"
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 5: $res"
+
+    return "OK"
 }
\ No newline at end of file
diff --git a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/int.kt b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/int.kt
index b1e80d89ed0..a2248b46499 100644
--- a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/int.kt
+++ b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/int.kt
@@ -6,11 +6,11 @@ object Foo {
     }
 
     fun bar(value: Value?) {
-        res = value?.value!!
+        res = value?.value
     }
 }
 
-var res = 0
+var res: Int? = 0
 
 fun box(): String {
     Value(42).let(Foo::foo)
@@ -19,6 +19,10 @@ fun box(): String {
 
     Value(42).let(Foo::bar)
     if (res != 42) return "FAIL 2 $res"
+    res = 0
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 3: $res"
 
     return "OK"
 }
\ No newline at end of file
diff --git a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/intN.kt b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/intN.kt
index cbb86d633f6..8d1411c3761 100644
--- a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/intN.kt
+++ b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/intN.kt
@@ -2,15 +2,15 @@ inline class Value(val value: Int?)
 
 object Foo {
     fun foo(value: Value) {
-        res = value.value!!
+        res = value.value
     }
 
     fun bar(value: Value?) {
-        res = value?.value!!
+        res = value?.value
     }
 }
 
-var res = 0
+var res: Int? = 0
 
 fun box(): String {
     Value(42).let(Foo::foo)
@@ -19,6 +19,10 @@ fun box(): String {
 
     Value(42).let(Foo::bar)
     if (res != 42) return "FAIL 2 $res"
+    res = 0
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 3: $res"
 
     return "OK"
 }
\ No newline at end of file
diff --git a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/result.kt b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/result.kt
index 9fc9f2473f9..08f7cea580d 100644
--- a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/result.kt
+++ b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/result.kt
@@ -4,21 +4,26 @@
 
 object Foo {
     fun foo(result: Result<String>) {
-        res = result.getOrNull()!!
+        res = result.getOrNull()
     }
 
     fun bar(result: Result<String>?) {
-        res = result?.getOrNull()!!
+        res = result?.getOrNull()
     }
 }
 
-var res = "FAIL"
+var res: String? = "FAIL"
 
 fun box(): String {
     Result.success("OK").let(Foo::foo)
     if (res != "OK") return "FAIL 1 $res"
-    res = "FAIL"
+    res = "FAIL 2"
 
     Result.success("OK").let(Foo::bar)
-    return res
+    if (res != "OK") return "FAIL 3 $res"
+    res = "FAIL 4"
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 5: $res"
+    return "OK"
 }
\ No newline at end of file
diff --git a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/string.kt b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/string.kt
index f28dba61fd6..51f0e68b9a8 100644
--- a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/string.kt
+++ b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/string.kt
@@ -6,17 +6,22 @@ object Foo {
     }
 
     fun bar(value: Value?) {
-        res = value?.value!!
+        res = value?.value
     }
 }
 
-var res = "FAIL"
+var res: String? = "FAIL"
 
 fun box(): String {
     Value("OK").let(Foo::foo)
     if (res != "OK") return "FAIL 1: $res"
-    res = "FAIL"
+    res = "FAIL 2"
 
     Value("OK").let(Foo::bar)
-    return res
+    if (res != "OK") return "FAIL 3: $res"
+    res = "FAIL 4"
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 3: $res"
+    return "OK"
 }
\ No newline at end of file
diff --git a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/stringN.kt b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/stringN.kt
index 5a66c2a727a..170f6d3cdab 100644
--- a/compiler/testData/codegen/box/inlineClasses/callableReferences/let/stringN.kt
+++ b/compiler/testData/codegen/box/inlineClasses/callableReferences/let/stringN.kt
@@ -2,21 +2,26 @@ inline class Value(val value: String?)
 
 object Foo {
     fun foo(value: Value) {
-        res = value.value!!
+        res = value.value
     }
 
     fun bar(value: Value?) {
-        res = value?.value!!
+        res = value?.value
     }
 }
 
-var res = "FAIL"
+var res: String? = "FAIL"
 
 fun box(): String {
     Value("OK").let(Foo::foo)
     if (res != "OK") return "FAIL 1: $res"
-    res = "FAIL"
+    res = "FAIL 2"
 
     Value("OK").let(Foo::bar)
-    return res
+    if (res != "OK") return "FAIL 3: $res"
+    res = "FAIL 4"
+
+    null.let(Foo::bar)
+    if (res != null) return "FAIL 3: $res"
+    return "OK"
 }
\ No newline at end of file
diff --git a/compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/nullableResult.kt b/compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/nullableResult.kt
new file mode 100644
index 00000000000..f1165262d07
--- /dev/null
+++ b/compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/nullableResult.kt
@@ -0,0 +1,24 @@
+// DONT_TARGET_EXACT_BACKEND: WASM
+// WASM_MUTE_REASON: SAM_CONVERSIONS
+// !LANGUAGE: +InlineClasses
+// WITH_RUNTIME
+
+fun <T> foo(a: Result<T>?): T? = bar(a) {
+    it?.getOrThrow()
+}
+
+fun interface FunIFace<T, R> {
+    fun call(ic: T): R
+}
+
+fun <T, R> bar(value: T, f: FunIFace<T, R>): R {
+    return f.call(value)
+}
+
+fun box(): String {
+    var res = foo<Int>(Result.success(40))?.plus(2)
+    if (res != 42) return "FAIL $res"
+    res = foo<Int>(null)
+    if (res != null) return "FAIL $res"
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt b/compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt
new file mode 100644
index 00000000000..b0f1684ee3c
--- /dev/null
+++ b/compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt
@@ -0,0 +1,18 @@
+// !LANGUAGE: +InlineClasses
+// WITH_RUNTIME
+
+fun <T> foo(a: Result<T>?): T? = bar(a) {
+    it?.getOrThrow()
+}
+
+fun <T, R> bar(value: T, f: (T) -> R): R {
+    return f(value)
+}
+
+fun box(): String {
+    var res = foo<Int>(Result.success(40))?.plus(2)
+    if (res != 42) return "FAIL $res"
+    res = foo<Int>(null)
+    if (res != null) return "FAIL $res"
+    return "OK"
+}
\ No newline at end of file
diff --git a/compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt b/compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt
new file mode 100644
index 00000000000..2a9acadd96e
--- /dev/null
+++ b/compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt
@@ -0,0 +1,24 @@
+// !LANGUAGE: +InlineClasses
+// WITH_RUNTIME
+// IGNORE_BACKEND: JVM
+// IGNORE_LIGHT_ANALYSIS
+
+fun <T> foo(a: Result<T>?): T? = bar(a, object : IFace<Result<T>, T> {
+    override fun call(ic: Result<T>?): T? = ic?.getOrThrow()
+})
+
+interface IFace<T, R> {
+    fun call(ic: T?): R?
+}
+
+fun <T, R> bar(value: T?, f: IFace<T, R>): R? {
+    return f.call(value)
+}
+
+fun box(): String {
+    var res = foo<Int>(Result.success(40))?.plus(2)
+    if (res != 42) return "FAIL $res"
+    res = foo<Int>(null)
+    if (res != null) return "FAIL $res"
+    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 1f1651d000d..eb8801eb8c1 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
@@ -19926,6 +19926,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/ifaceChild.kt");
                 }
 
+                @Test
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/nullableResult.kt");
+                }
+
                 @Test
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
@@ -19984,6 +19990,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/ifaceChild.kt");
                 }
 
+                @Test
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt");
+                }
+
                 @Test
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
@@ -20042,6 +20054,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/ifaceChild.kt");
                 }
 
+                @Test
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt");
+                }
+
                 @Test
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() 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 cb8dfdd1df4..096a105681c 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
@@ -19950,6 +19950,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/ifaceChild.kt");
                 }
 
+                @Test
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/nullableResult.kt");
+                }
+
                 @Test
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
@@ -20008,6 +20014,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/ifaceChild.kt");
                 }
 
+                @Test
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt");
+                }
+
                 @Test
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
@@ -20066,6 +20078,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/ifaceChild.kt");
                 }
 
+                @Test
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt");
+                }
+
                 @Test
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() 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 5c0dd436abb..2452067e7d3 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
@@ -16604,6 +16604,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/primitive.kt");
@@ -16657,6 +16662,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/primitive.kt");
@@ -16682,6 +16692,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             @TestDataPath("$PROJECT_ROOT")
             @RunWith(JUnit3RunnerWithInners.class)
             public static class ObjectLiteral extends AbstractLightAnalysisModeTest {
+                @TestMetadata("nullableResult.kt")
+                public void ignoreNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt");
+                }
+
                 private void runTest(String testDataFilePath) throws Exception {
                     KotlinTestUtils.runTest(this::doTest, TargetBackend.JVM, testDataFilePath);
                 }
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
index ba604aa904e..04c5f94f467 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java
@@ -14613,6 +14613,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/primitive.kt");
@@ -14666,6 +14671,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/primitive.kt");
@@ -14719,6 +14729,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/primitive.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
index e81b15e1241..034dedea3bb 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java
@@ -14024,6 +14024,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/primitive.kt");
@@ -14077,6 +14082,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/primitive.kt");
@@ -14130,6 +14140,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/primitive.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
index a7d4b1101b5..063be31b933 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java
@@ -14089,6 +14089,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/funInterface/primitive.kt");
@@ -14142,6 +14147,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/primitive.kt");
@@ -14195,6 +14205,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/primitive.kt");
diff --git a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java
index ed0648cf9e5..f8c4feb0d11 100644
--- a/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java
+++ b/js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java
@@ -8017,6 +8017,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/lambda/primitive.kt");
@@ -8070,6 +8075,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/ifaceChild.kt");
                 }
 
+                @TestMetadata("nullableResult.kt")
+                public void testNullableResult() throws Exception {
+                    runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/nullableResult.kt");
+                }
+
                 @TestMetadata("primitive.kt")
                 public void testPrimitive() throws Exception {
                     runTest("compiler/testData/codegen/box/inlineClasses/unboxGenericParameter/objectLiteral/primitive.kt");