[FIR] KT-55552: Ensure type mismatch is missing

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosticCompilerTestFE10TestdataTestGenerated.java

@@ -225,6 +225,12 @@ public class DiagnosticCompilerTestFE10TestdataTestGenerated extends AbstractDia
             runTest("compiler/testData/diagnostics/tests/DeferredTypes.kt");
         }
 
+        @Test
+        @TestMetadata("delegationTypeMismatch.kt")
+        public void testDelegationTypeMismatch() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/delegationTypeMismatch.kt");
+        }
+
         @Test
         @TestMetadata("DeprecatedGetSetPropertyDelegateConvention.kt")
         public void testDeprecatedGetSetPropertyDelegateConvention() throws Exception {

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated.java

@@ -225,6 +225,12 @@ public class LLFirPreresolvedReversedDiagnosticCompilerFE10TestDataTestGenerated
             runTest("compiler/testData/diagnostics/tests/DeferredTypes.kt");
         }
 
+        @Test
+        @TestMetadata("delegationTypeMismatch.kt")
+        public void testDelegationTypeMismatch() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/delegationTypeMismatch.kt");
+        }
+
         @Test
         @TestMetadata("DeprecatedGetSetPropertyDelegateConvention.kt")
         public void testDeprecatedGetSetPropertyDelegateConvention() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirLightTreeOldFrontendDiagnosticsTestGenerated.java

@@ -225,6 +225,12 @@ public class FirLightTreeOldFrontendDiagnosticsTestGenerated extends AbstractFir
             runTest("compiler/testData/diagnostics/tests/DeferredTypes.kt");
         }
 
+        @Test
+        @TestMetadata("delegationTypeMismatch.kt")
+        public void testDelegationTypeMismatch() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/delegationTypeMismatch.kt");
+        }
+
         @Test
         @TestMetadata("DeprecatedGetSetPropertyDelegateConvention.kt")
         public void testDeprecatedGetSetPropertyDelegateConvention() throws Exception {

compiler/fir/analysis-tests/tests-gen/org/jetbrains/kotlin/test/runners/FirPsiOldFrontendDiagnosticsTestGenerated.java

@@ -225,6 +225,12 @@ public class FirPsiOldFrontendDiagnosticsTestGenerated extends AbstractFirPsiDia
             runTest("compiler/testData/diagnostics/tests/DeferredTypes.kt");
         }
 
+        @Test
+        @TestMetadata("delegationTypeMismatch.kt")
+        public void testDelegationTypeMismatch() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/delegationTypeMismatch.kt");
+        }
+
         @Test
         @TestMetadata("DeprecatedGetSetPropertyDelegateConvention.kt")
         public void testDeprecatedGetSetPropertyDelegateConvention() throws Exception {

compiler/testData/diagnostics/tests/delegationTypeMismatch.fir.kt

@@ -0,0 +1,13 @@
+// ISSUE: KT-55552
+
+interface B2 {
+  fun d()
+}
+
+class B
+
+open class C(b: B) : B2 by b {} //no error in K2, K1 - [TYPE_MISMATCH] Type mismatch: inferred type is B but B2 was expected
+
+fun main() {
+  val c = C(B()).d() //runtime AbstractMethodError
+}

compiler/testData/diagnostics/tests/delegationTypeMismatch.kt

@@ -0,0 +1,13 @@
+// ISSUE: KT-55552
+
+interface B2 {
+  fun d()
+}
+
+class B
+
+open class C(b: B) : B2 by <!TYPE_MISMATCH!>b<!> {} //no error in K2, K1 - [TYPE_MISMATCH] Type mismatch: inferred type is B but B2 was expected
+
+fun main() {
+  val c = C(B()).d() //runtime AbstractMethodError
+}

compiler/tests-common-new/tests-gen/org/jetbrains/kotlin/test/runners/DiagnosticTestGenerated.java

@@ -225,6 +225,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
             runTest("compiler/testData/diagnostics/tests/DeferredTypes.kt");
         }
 
+        @Test
+        @TestMetadata("delegationTypeMismatch.kt")
+        public void testDelegationTypeMismatch() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/delegationTypeMismatch.kt");
+        }
+
         @Test
         @TestMetadata("DeprecatedGetSetPropertyDelegateConvention.kt")
         public void testDeprecatedGetSetPropertyDelegateConvention() throws Exception {