Add test for KT-25114

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() {}
+    }
+}