Synthetic accessors for class object private members

#KT-3338 Fixed

compiler/testData/writeFlags/function/classObjectPrivate/privateFun.kt

@@ -0,0 +1,14 @@
+class Foo {
+
+  {Foo.test()}
+
+  class object {
+    private fun test() {
+
+    }
+  }
+}
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: Foo$object, test
+// FLAGS: ACC_PRIVATE, ACC_FINAL

compiler/testData/writeFlags/function/classObjectPrivate/privateVal.kt

@@ -0,0 +1,12 @@
+class Foo {
+
+  {Foo.test}
+
+  class object {
+    private val test = "String"
+  }
+}
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: Foo$object, getTest
+// FLAGS: ACC_PRIVATE, ACC_FINAL

compiler/testData/writeFlags/function/classObjectPrivate/privateVar.kt

@@ -0,0 +1,12 @@
+class Foo {
+
+  {Foo.test}
+
+  class object {
+    private var test = "String"
+  }
+}
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: Foo$object, setTest
+// FLAGS: ACC_PRIVATE, ACC_FINAL