PSI2IR test for coercion to unit in lambda

compiler/fir/fir2ir/tests/org/jetbrains/kotlin/fir/Fir2IrTextTestGenerated.java

@@ -1827,6 +1827,11 @@ public class Fir2IrTextTestGenerated extends AbstractFir2IrTextTest {
             runTest("compiler/testData/ir/irText/types/asOnPlatformType.kt");
         }
 
+        @TestMetadata("coercionToUnitInLambdaReturnValue.kt")
+        public void testCoercionToUnitInLambdaReturnValue() throws Exception {
+            runTest("compiler/testData/ir/irText/types/coercionToUnitInLambdaReturnValue.kt");
+        }
+
         @TestMetadata("genericPropertyReferenceType.kt")
         public void testGenericPropertyReferenceType() throws Exception {
             runTest("compiler/testData/ir/irText/types/genericPropertyReferenceType.kt");

compiler/testData/ir/irText/types/coercionToUnitInLambdaReturnValue.fir.txt

@@ -0,0 +1,12 @@
+FILE fqName:<root> fileName:/coercionToUnitInLambdaReturnValue.kt
+  FUN name:use visibility:public modality:FINAL <> (fn:kotlin.Function0<kotlin.Unit>) returnType:kotlin.Unit
+    VALUE_PARAMETER name:fn index:0 type:kotlin.Function0<kotlin.Unit>
+    BLOCK_BODY
+  FUN name:test visibility:public modality:FINAL <> () returnType:kotlin.Unit
+    BLOCK_BODY
+      CALL 'public final fun use (fn: kotlin.Function0<kotlin.Unit>): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
+        fn: FUN_EXPR type=kotlin.Function0<kotlin.Unit> origin=LAMBDA
+          FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit
+            BLOCK_BODY
+              RETURN type=kotlin.Nothing from='local final fun <anonymous> (): kotlin.Unit declared in <root>.test'
+                CONST Int type=kotlin.Int value=42

compiler/testData/ir/irText/types/coercionToUnitInLambdaReturnValue.kt

@@ -0,0 +1,7 @@
+// !LANGUAGE: +NewInference
+
+fun use(fn: () -> Unit) {}
+
+fun test() {
+    use { 42 }
+}

compiler/testData/ir/irText/types/coercionToUnitInLambdaReturnValue.txt

@@ -0,0 +1,12 @@
+FILE fqName:<root> fileName:/coercionToUnitInLambdaReturnValue.kt
+  FUN name:use visibility:public modality:FINAL <> (fn:kotlin.Function0<kotlin.Unit>) returnType:kotlin.Unit
+    VALUE_PARAMETER name:fn index:0 type:kotlin.Function0<kotlin.Unit>
+    BLOCK_BODY
+  FUN name:test visibility:public modality:FINAL <> () returnType:kotlin.Unit
+    BLOCK_BODY
+      CALL 'public final fun use (fn: kotlin.Function0<kotlin.Unit>): kotlin.Unit declared in <root>' type=kotlin.Unit origin=null
+        fn: FUN_EXPR type=kotlin.Function0<kotlin.Unit> origin=LAMBDA
+          FUN LOCAL_FUNCTION_FOR_LAMBDA name:<anonymous> visibility:local modality:FINAL <> () returnType:kotlin.Unit
+            BLOCK_BODY
+              TYPE_OP type=kotlin.Unit origin=IMPLICIT_COERCION_TO_UNIT typeOperand=kotlin.Unit
+                CONST Int type=kotlin.Int value=42

compiler/tests/org/jetbrains/kotlin/ir/IrTextTestCaseGenerated.java

@@ -1826,6 +1826,11 @@ public class IrTextTestCaseGenerated extends AbstractIrTextTestCase {
             runTest("compiler/testData/ir/irText/types/asOnPlatformType.kt");
         }
 
+        @TestMetadata("coercionToUnitInLambdaReturnValue.kt")
+        public void testCoercionToUnitInLambdaReturnValue() throws Exception {
+            runTest("compiler/testData/ir/irText/types/coercionToUnitInLambdaReturnValue.kt");
+        }
+
         @TestMetadata("genericPropertyReferenceType.kt")
         public void testGenericPropertyReferenceType() throws Exception {
             runTest("compiler/testData/ir/irText/types/genericPropertyReferenceType.kt");