KT-2330 Check visibility of getters and setters correspondingly

#KT-2330 fixed

compiler/testData/diagnostics/tests/controlFlowAnalysis/kt2330.kt

@@ -0,0 +1,53 @@
+//KT-2330 Check visibility of getters and setters correspondingly
+package a
+
+class P {
+    var x : Int = 0
+        private set
+
+    var y : Int = 0
+
+    val other = P();
+
+    {
+        x = 23
+        other.x = 4
+    }
+
+    val testInGetter : Int
+       get() {
+           x = 33
+           return 3
+       }
+}
+
+fun foo() {
+    val p = P()
+    <!INVISIBLE_SETTER!>p.x<!> = 34 //should be an error here
+    p.y = 23
+
+    fun inner() {
+        <!INVISIBLE_SETTER!>p.x<!> = 44
+    }
+}
+
+class R {
+    val p = P();
+    {
+        <!INVISIBLE_SETTER!>p.x<!> = 42
+    }
+
+    val testInGetterInOtherClass : Int
+        get() {
+            <!INVISIBLE_SETTER!>p.x<!> = 33
+            return 3
+        }
+}
+
+fun test() {
+    val <!UNUSED_VARIABLE!>o<!> = object {
+        fun run() {
+            <!UNRESOLVED_REFERENCE!>p<!>.x = 43
+        }
+    }
+}