Add test for KT-25114

compiler/fir/analysis-tests/tests/org/jetbrains/kotlin/fir/FirOldFrontendDiagnosticsTestWithStdlibGenerated.java

@@ -804,6 +804,11 @@ public class FirOldFrontendDiagnosticsTestWithStdlibGenerated extends AbstractFi
                 runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/mainInObject.kt");
             }
 
+            @TestMetadata("privateCompanionObject.kt")
+            public void testPrivateCompanionObject() throws Exception {
+                runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/privateCompanionObject.kt");
+            }
+
             @TestMetadata("property.kt")
             public void testProperty() throws Exception {
                 runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/property.kt");

compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/privateCompanionObject.kt

@@ -0,0 +1,30 @@
+// Issue: KT-25114
+// FIR_IDENTICAL
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+class WithPrivateCompanion {
+    private companion object {
+        @JvmStatic
+        val staticVal1: Int = 42
+
+        val staticVal2: Int
+            @JvmStatic get() = 42
+
+        @get:JvmStatic
+        val staticVal3: Int = 42
+
+        @JvmStatic
+        var staticVar1: Int = 42
+
+        var staticVar2: Int
+            @JvmStatic get() = 42
+            @JvmStatic set(value) {}
+
+        @get: JvmStatic
+        @set: JvmStatic
+        var staticVar3: Int = 42
+
+        @JvmStatic
+        fun staticFunction() {}
+    }
+}

compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/privateCompanionObject.txt

@@ -0,0 +1,22 @@
+package
+
+public final class WithPrivateCompanion {
+    public constructor WithPrivateCompanion()
+    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
+
+    private companion object Companion {
+        private constructor Companion()
+        @kotlin.jvm.JvmStatic public final val staticVal1: kotlin.Int = 42
+        @get:kotlin.jvm.JvmStatic public final val staticVal2: kotlin.Int
+        @get:kotlin.jvm.JvmStatic public final val staticVal3: kotlin.Int = 42
+        @kotlin.jvm.JvmStatic public final var staticVar1: kotlin.Int
+        @get:kotlin.jvm.JvmStatic @set:kotlin.jvm.JvmStatic public final var staticVar2: kotlin.Int
+        @get:kotlin.jvm.JvmStatic @set:kotlin.jvm.JvmStatic public final var staticVar3: kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        @kotlin.jvm.JvmStatic public final fun staticFunction(): kotlin.Unit
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestWithStdLibGenerated.java

@@ -804,6 +804,11 @@ public class DiagnosticsTestWithStdLibGenerated extends AbstractDiagnosticsTestW
                 runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/mainInObject.kt");
             }
 
+            @TestMetadata("privateCompanionObject.kt")
+            public void testPrivateCompanionObject() throws Exception {
+                runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/privateCompanionObject.kt");
+            }
+
             @TestMetadata("property.kt")
             public void testProperty() throws Exception {
                 runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/property.kt");

compiler/tests/org/jetbrains/kotlin/checkers/javac/DiagnosticsTestWithStdLibUsingJavacGenerated.java

@@ -804,6 +804,11 @@ public class DiagnosticsTestWithStdLibUsingJavacGenerated extends AbstractDiagno
                 runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/mainInObject.kt");
             }
 
+            @TestMetadata("privateCompanionObject.kt")
+            public void testPrivateCompanionObject() throws Exception {
+                runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/privateCompanionObject.kt");
+            }
+
             @TestMetadata("property.kt")
             public void testProperty() throws Exception {
                 runTest("compiler/testData/diagnostics/testsWithStdLib/annotations/jvmStatic/property.kt");