[K2, JVM, IR] Add tests for clashing inner classes names

#KT-65586 #KT-65439

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/FirLightTreeDiagnosticsTestWithJvmIrBackendGenerated.java

@@ -526,6 +526,12 @@ public class FirLightTreeDiagnosticsTestWithJvmIrBackendGenerated extends Abstra
         KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames"), Pattern.compile("^(.+)\\.kt$"), Pattern.compile("^(.+)\\.(reversed|fir|ll)\\.kts?$"), true);
       }
 
+      @Test
+      @TestMetadata("classInitializer.kt")
+      public void testClassInitializer() {
+        runTest("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/classInitializer.kt");
+      }
+
       @Test
       @TestMetadata("classObject.kt")
       public void testClassObject() {
@@ -568,6 +574,12 @@ public class FirLightTreeDiagnosticsTestWithJvmIrBackendGenerated extends Abstra
         runTest("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/enum.kt");
       }
 
+      @Test
+      @TestMetadata("innerClass.kt")
+      public void testInnerClass() {
+        runTest("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/innerClass.kt");
+      }
+
       @Test
       @TestMetadata("innerClassField.kt")
       public void testInnerClassField() {

compiler/fir/fir2ir/tests-gen/org/jetbrains/kotlin/test/runners/FirPsiDiagnosticsTestWithJvmIrBackendGenerated.java

@@ -526,6 +526,12 @@ public class FirPsiDiagnosticsTestWithJvmIrBackendGenerated extends AbstractFirP
         KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames"), Pattern.compile("^(.+)\\.kt$"), Pattern.compile("^(.+)\\.(reversed|fir|ll)\\.kts?$"), true);
       }
 
+      @Test
+      @TestMetadata("classInitializer.kt")
+      public void testClassInitializer() {
+        runTest("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/classInitializer.kt");
+      }
+
       @Test
       @TestMetadata("classObject.kt")
       public void testClassObject() {
@@ -568,6 +574,12 @@ public class FirPsiDiagnosticsTestWithJvmIrBackendGenerated extends AbstractFirP
         runTest("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/enum.kt");
       }
 
+      @Test
+      @TestMetadata("innerClass.kt")
+      public void testInnerClass() {
+        runTest("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/innerClass.kt");
+      }
+
       @Test
       @TestMetadata("innerClassField.kt")
       public void testInnerClassField() {

compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/classInitializer.kt

@@ -0,0 +1,7 @@
+// FIR_IDENTICAL
+class A {
+    <!DUPLICATE_CLASS_NAMES!>class B<!>
+    init {
+        <!DUPLICATE_CLASS_NAMES!>class B<!>
+    }
+}

compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/innerClass.kt

@@ -0,0 +1,6 @@
+// FIR_IDENTICAL
+class A {
+    <!DUPLICATE_CLASS_NAMES!>class B<!>
+}
+
+<!DUPLICATE_CLASS_NAMES!>class `A$B`<!>

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

@@ -527,6 +527,12 @@ public class DiagnosticsTestWithJvmIrBackendGenerated extends AbstractDiagnostic
         KtTestUtil.assertAllTestsPresentByMetadataWithExcluded(this.getClass(), new File("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames"), Pattern.compile("^(.+)\\.kts?$"), Pattern.compile("^(.+)\\.(reversed|fir|ll)\\.kts?$"), TargetBackend.JVM_IR, true);
       }
 
+      @Test
+      @TestMetadata("classInitializer.kt")
+      public void testClassInitializer() {
+        runTest("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/classInitializer.kt");
+      }
+
       @Test
       @TestMetadata("classObject.kt")
       public void testClassObject() {
@@ -569,6 +575,12 @@ public class DiagnosticsTestWithJvmIrBackendGenerated extends AbstractDiagnostic
         runTest("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/enum.kt");
       }
 
+      @Test
+      @TestMetadata("innerClass.kt")
+      public void testInnerClass() {
+        runTest("compiler/testData/diagnostics/testsWithJvmBackend/duplicateJvmSignature/specialNames/innerClass.kt");
+      }
+
       @Test
       @TestMetadata("innerClassField.kt")
       public void testInnerClassField() {