diff --git a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirBlackBoxCodegenBasedTestGenerated.java b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirBlackBoxCodegenBasedTestGenerated.java
index f98c4e5dbeb..e5ae879c91c 100644
--- a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirBlackBoxCodegenBasedTestGenerated.java
+++ b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirBlackBoxCodegenBasedTestGenerated.java
@@ -16214,6 +16214,12 @@ public class LLFirBlackBoxCodegenBasedTestGenerated extends AbstractLLFirBlackBo
             runTest("compiler/testData/codegen/box/delegation/byMiddleInterface.kt");
         }
 
+        @Test
+        @TestMetadata("computeIfAbsent.kt")
+        public void testComputeIfAbsent() throws Exception {
+            runTest("compiler/testData/codegen/box/delegation/computeIfAbsent.kt");
+        }
+
         @Test
         @TestMetadata("defaultOverride.kt")
         public void testDefaultOverride() throws Exception {
diff --git a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirReversedBlackBoxCodegenBasedTestGenerated.java b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirReversedBlackBoxCodegenBasedTestGenerated.java
index 71f1184e8d1..304a4065bc2 100644
--- a/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirReversedBlackBoxCodegenBasedTestGenerated.java
+++ b/analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirReversedBlackBoxCodegenBasedTestGenerated.java
@@ -16214,6 +16214,12 @@ public class LLFirReversedBlackBoxCodegenBasedTestGenerated extends AbstractLLFi
             runTest("compiler/testData/codegen/box/delegation/byMiddleInterface.kt");
         }
 
+        @Test
+        @TestMetadata("computeIfAbsent.kt")
+        public void testComputeIfAbsent() throws Exception {
+            runTest("compiler/testData/codegen/box/delegation/computeIfAbsent.kt");
+        }
+
         @Test
         @TestMetadata("defaultOverride.kt")
         public void testDefaultOverride() throws Exception {
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 d9ca30d4bdb..f570ebce432 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
@@ -16155,6 +16155,12 @@ public class FirLightTreeBlackBoxCodegenTestGenerated extends AbstractFirLightTr
             runTest("compiler/testData/codegen/box/delegation/byMiddleInterface.kt");
         }
 
+        @Test
+        @TestMetadata("computeIfAbsent.kt")
+        public void testComputeIfAbsent() throws Exception {
+            runTest("compiler/testData/codegen/box/delegation/computeIfAbsent.kt");
+        }
+
         @Test
         @TestMetadata("defaultOverride.kt")
         public void testDefaultOverride() throws Exception {
diff --git a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenWithIrFakeOverrideGeneratorTestGenerated.java b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenWithIrFakeOverrideGeneratorTestGenerated.java
index 035872fe736..0c8869694b3 100644
--- a/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenWithIrFakeOverrideGeneratorTestGenerated.java
+++ b/compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/codegen/FirLightTreeBlackBoxCodegenWithIrFakeOverrideGeneratorTestGenerated.java
@@ -16155,6 +16155,12 @@ public class FirLightTreeBlackBoxCodegenWithIrFakeOverrideGeneratorTestGenerated
             runTest("compiler/testData/codegen/box/delegation/byMiddleInterface.kt");
         }
 
+        @Test
+        @TestMetadata("computeIfAbsent.kt")
+        public void testComputeIfAbsent() throws Exception {
+            runTest("compiler/testData/codegen/box/delegation/computeIfAbsent.kt");
+        }
+
         @Test
         @TestMetadata("defaultOverride.kt")
         public void testDefaultOverride() 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 6aca275fbf7..8ee0e974f01 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
@@ -16155,6 +16155,12 @@ public class FirPsiBlackBoxCodegenTestGenerated extends AbstractFirPsiBlackBoxCo
             runTest("compiler/testData/codegen/box/delegation/byMiddleInterface.kt");
         }
 
+        @Test
+        @TestMetadata("computeIfAbsent.kt")
+        public void testComputeIfAbsent() throws Exception {
+            runTest("compiler/testData/codegen/box/delegation/computeIfAbsent.kt");
+        }
+
         @Test
         @TestMetadata("defaultOverride.kt")
         public void testDefaultOverride() throws Exception {
diff --git a/compiler/testData/codegen/box/delegation/computeIfAbsent.kt b/compiler/testData/codegen/box/delegation/computeIfAbsent.kt
new file mode 100644
index 00000000000..18db905fa55
--- /dev/null
+++ b/compiler/testData/codegen/box/delegation/computeIfAbsent.kt
@@ -0,0 +1,10 @@
+// TARGET_BACKEND: JVM
+// WITH_STDLIB
+// FULL_JDK
+
+class MyMap : MutableMap<Int, String> by hashMapOf()
+
+fun box(): String {
+    val map = MyMap()
+    return map.computeIfAbsent(42) { "OK" }
+}
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 b8c135844a0..3fd7642f24f 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
@@ -15783,6 +15783,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             runTest("compiler/testData/codegen/box/delegation/byMiddleInterface.kt");
         }
 
+        @Test
+        @TestMetadata("computeIfAbsent.kt")
+        public void testComputeIfAbsent() throws Exception {
+            runTest("compiler/testData/codegen/box/delegation/computeIfAbsent.kt");
+        }
+
         @Test
         @TestMetadata("defaultOverride.kt")
         public void testDefaultOverride() 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 bd6583f413a..39280d75bf2 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
@@ -16155,6 +16155,12 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
             runTest("compiler/testData/codegen/box/delegation/byMiddleInterface.kt");
         }
 
+        @Test
+        @TestMetadata("computeIfAbsent.kt")
+        public void testComputeIfAbsent() throws Exception {
+            runTest("compiler/testData/codegen/box/delegation/computeIfAbsent.kt");
+        }
+
         @Test
         @TestMetadata("defaultOverride.kt")
         public void testDefaultOverride() 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 870f8d280ca..21e26eb2a4f 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
@@ -16155,6 +16155,12 @@ public class IrBlackBoxCodegenWithIrInlinerTestGenerated extends AbstractIrBlack
             runTest("compiler/testData/codegen/box/delegation/byMiddleInterface.kt");
         }
 
+        @Test
+        @TestMetadata("computeIfAbsent.kt")
+        public void testComputeIfAbsent() throws Exception {
+            runTest("compiler/testData/codegen/box/delegation/computeIfAbsent.kt");
+        }
+
         @Test
         @TestMetadata("defaultOverride.kt")
         public void testDefaultOverride() 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 9feb71498f1..067cb4b667e 100644
--- a/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
+++ b/compiler/tests-gen/org/jetbrains/kotlin/codegen/LightAnalysisModeTestGenerated.java
@@ -13310,6 +13310,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
             runTest("compiler/testData/codegen/box/delegation/byMiddleInterface.kt");
         }
 
+        @TestMetadata("computeIfAbsent.kt")
+        public void testComputeIfAbsent() throws Exception {
+            runTest("compiler/testData/codegen/box/delegation/computeIfAbsent.kt");
+        }
+
         @TestMetadata("defaultOverride.kt")
         public void testDefaultOverride() throws Exception {
             runTest("compiler/testData/codegen/box/delegation/defaultOverride.kt");