[Test] Add test for KT-54209

analysis/low-level-api-fir/tests/org/jetbrains/kotlin/analysis/low/level/api/fir/diagnostic/compiler/based/DiagnosisCompilerTestFE10TestdataTestGenerated.java

@@ -8968,6 +8968,12 @@ public class DiagnosisCompilerTestFE10TestdataTestGenerated extends AbstractDiag
                 runTest("compiler/testData/diagnostics/tests/deprecated/componentUsage.kt");
             }
 
+            @Test
+            @TestMetadata("deprecatedCompanionAndClassReference.kt")
+            public void testDeprecatedCompanionAndClassReference() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/deprecated/deprecatedCompanionAndClassReference.kt");
+            }
+
             @Test
             @TestMetadata("deprecatedConstructor.kt")
             public void testDeprecatedConstructor() throws Exception {

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

@@ -8968,6 +8968,12 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirDiagnosti
                 runTest("compiler/testData/diagnostics/tests/deprecated/componentUsage.kt");
             }
 
+            @Test
+            @TestMetadata("deprecatedCompanionAndClassReference.kt")
+            public void testDeprecatedCompanionAndClassReference() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/deprecated/deprecatedCompanionAndClassReference.kt");
+            }
+
             @Test
             @TestMetadata("deprecatedConstructor.kt")
             public void testDeprecatedConstructor() throws Exception {

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

@@ -8968,6 +8968,12 @@ public class FirOldFrontendDiagnosticsWithLightTreeTestGenerated extends Abstrac
                 runTest("compiler/testData/diagnostics/tests/deprecated/componentUsage.kt");
             }
 
+            @Test
+            @TestMetadata("deprecatedCompanionAndClassReference.kt")
+            public void testDeprecatedCompanionAndClassReference() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/deprecated/deprecatedCompanionAndClassReference.kt");
+            }
+
             @Test
             @TestMetadata("deprecatedConstructor.kt")
             public void testDeprecatedConstructor() throws Exception {

compiler/testData/diagnostics/tests/deprecated/deprecatedCompanionAndClassReference.fir.kt

@@ -0,0 +1,12 @@
+// ISSUE: KT-54209
+
+class A {
+    @Deprecated("Deprecated companion")
+    companion object
+}
+
+
+fun test() {
+    <!DEPRECATION!>A<!>::class
+    A.<!DEPRECATION!>Companion<!>::class
+}

compiler/testData/diagnostics/tests/deprecated/deprecatedCompanionAndClassReference.kt

@@ -0,0 +1,12 @@
+// ISSUE: KT-54209
+
+class A {
+    @Deprecated("Deprecated companion")
+    companion object
+}
+
+
+fun test() {
+    A::class
+    A.<!DEPRECATION!>Companion<!>::class
+}

compiler/testData/diagnostics/tests/deprecated/deprecatedCompanionAndClassReference.txt

@@ -0,0 +1,17 @@
+package
+
+public fun test(): kotlin.Unit
+
+public final class A {
+    public constructor A()
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+
+    @kotlin.Deprecated(message = "Deprecated companion") public companion object Companion {
+        private constructor Companion()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

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

@@ -8974,6 +8974,12 @@ public class DiagnosticTestGenerated extends AbstractDiagnosticTest {
                 runTest("compiler/testData/diagnostics/tests/deprecated/componentUsage.kt");
             }
 
+            @Test
+            @TestMetadata("deprecatedCompanionAndClassReference.kt")
+            public void testDeprecatedCompanionAndClassReference() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/deprecated/deprecatedCompanionAndClassReference.kt");
+            }
+
             @Test
             @TestMetadata("deprecatedConstructor.kt")
             public void testDeprecatedConstructor() throws Exception {