KT-3978: Kotlin: [Internal Error] org.jetbrains.jet.codegen.CompilationException: Back-end (JVM) Internal error: null

#KT-3978 Fixed

compiler/testData/codegen/bytecodeText/directInvoke/callableReference.kt

@@ -0,0 +1,10 @@
+class Z{
+
+    fun a(s: Int) {}
+
+    fun b() {
+        Z().(Z::a)(1)
+    }
+}
+
+// 2 invoke \(LZ;I\)V