Setter visibility must be worse or the same as property visibility

compiler/testData/diagnostics/tests/OverridenSetterVisibility.kt

@@ -17,7 +17,7 @@ class Test: ATest(), ITest {
 
     override var prop2 : Int
         get() = 14
-        <!CANNOT_CHANGE_ACCESS_PRIVILEGE!>internal<!> set(value) {}
+        <!CANNOT_CHANGE_ACCESS_PRIVILEGE, SETTER_VISIBILITY_INCONSISTENT_WITH_PROPERTY_VISIBILITY!>internal<!> set(value) {}
 }
 
 fun main(args: Array<String>) {

compiler/testData/diagnostics/tests/SetterVisibility.kt

@@ -0,0 +1,25 @@
+class My {
+    var x: Int = 0
+        // Ok
+        private set
+    
+    private var y: Int = 1
+        // Error: better
+        <!SETTER_VISIBILITY_INCONSISTENT_WITH_PROPERTY_VISIBILITY!>public<!> set
+
+    protected var z: Int = 2
+        // Ok
+        private set
+
+    protected var w: Int = 3
+        // Error: incompatible
+        <!SETTER_VISIBILITY_INCONSISTENT_WITH_PROPERTY_VISIBILITY!>internal<!> set
+
+    internal var v: Int = 4
+        // Error: incompatible
+        <!SETTER_VISIBILITY_INCONSISTENT_WITH_PROPERTY_VISIBILITY!>protected<!> set
+
+    internal var t: Int = 5
+        // Error: better
+        <!SETTER_VISIBILITY_INCONSISTENT_WITH_PROPERTY_VISIBILITY!>public<!> set
+}

compiler/testData/diagnostics/tests/SetterVisibility.txt

@@ -0,0 +1,14 @@
+package
+
+public final class My {
+    public constructor My()
+    internal final var t: kotlin.Int
+    internal final var v: kotlin.Int
+    protected final var w: kotlin.Int
+    public final var x: kotlin.Int
+    private final var y: kotlin.Int
+    protected final var z: kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}