Codegen for callable reference expressions

#KT-1183 In Progress

compiler/testData/codegen/box/callableReference/classMemberFromClass.kt

@@ -0,0 +1,11 @@
+class A {
+    fun foo(k: Int) = k
+
+    fun result() = this.(::foo)(111)
+}
+
+fun box(): String {
+    val result = A().result()
+    if (result != 111) return "Fail $result"
+    return "OK"
+}