Report warning on @JvmStatic in private companion objects

Deprecation cycle to prohibit in 1.5.
^KT-25114 In Progress

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

@@ -0,0 +1,29 @@
+// Issue: KT-25114
+// !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.kt

@@ -1,30 +1,29 @@
 // Issue: KT-25114
-// FIR_IDENTICAL
 // !DIAGNOSTICS: -UNUSED_PARAMETER
 
 class WithPrivateCompanion {
     private companion object {
-        @JvmStatic
+        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!>
         val staticVal1: Int = 42
 
         val staticVal2: Int
-            @JvmStatic get() = 42
+            <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!> get() = 42
 
-        @get:JvmStatic
+        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@get:JvmStatic<!>
         val staticVal3: Int = 42
 
-        @JvmStatic
+        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!>
         var staticVar1: Int = 42
 
         var staticVar2: Int
-            @JvmStatic get() = 42
-            @JvmStatic set(value) {}
+            <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!> get() = 42
+            <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!> set(value) {}
 
-        @get: JvmStatic
-        @set: JvmStatic
+        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@get: JvmStatic<!>
+        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@set: JvmStatic<!>
         var staticVar3: Int = 42
 
-        @JvmStatic
+        <!JVM_STATIC_IN_PRIVATE_COMPANION!>@JvmStatic<!>
         fun staticFunction() {}
     }
 }