Test for KT-2197 Reference to function is generated with private getter method

#KT-2197 fixed

compiler/testData/readKotlinBinaryClass/visibility/InternalAbstractTraitMembersOverridden.kt

@@ -0,0 +1,13 @@
+package test
+
+trait A {
+    internal fun f() : Int
+    internal val v : Int
+    public var p : Int
+}
+
+class B : A {
+    override fun f(): Int = throw UnsupportedOperationException()
+    public override var p: Int = 0
+    override val v: Int = 0
+}

compiler/testData/readKotlinBinaryClass/visibility/InternalAbstractTraitMembersOverridden.txt

@@ -0,0 +1,13 @@
+namespace test
+
+internal abstract trait test.A : jet.Any {
+    internal abstract fun f(): jet.Int
+    internal abstract val v: jet.Int
+    public abstract var p: jet.Int
+}
+internal final class test.B : test.A {
+    internal open override /*1*/ fun f(): jet.Int
+    internal open override /*1*/ val v: jet.Int
+    public final /*constructor*/ fun <init>(): test.B
+    public open override /*1*/ var p: jet.Int
+}