Synthetic accessors for class object private members

#KT-3338 Fixed

compiler/testData/writeFlags/function/constructors/classObject.kt

@@ -0,0 +1,8 @@
+class Foo {
+  class object {
+  }
+}
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: Foo$object, <init>
+// FLAGS: ACC_PRIVATE

compiler/testData/writeFlags/function/constructors/objectInClass.kt

@@ -0,0 +1,8 @@
+class Foo {
+  object Test {
+  }
+}
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: Foo$Test, <init>
+// FLAGS:

compiler/testData/writeFlags/function/constructors/objectLiteral.kt

@@ -0,0 +1,9 @@
+class Foo {
+  fun a() {
+    val s = object { }
+  }
+}
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: Foo$a$s$1, <init>
+// FLAGS:

compiler/testData/writeFlags/function/constructors/topLevelObject.kt

@@ -0,0 +1,7 @@
+object Foo {
+
+}
+
+// TESTED_OBJECT_KIND: function
+// TESTED_OBJECTS: Foo, <init>
+// FLAGS: