JVM_IR serializable indy method references

compiler/testData/codegen/box/invokedynamic/serializable/serializableFakeOverrideFunRef.kt

@@ -0,0 +1,39 @@
+// TARGET_BACKEND: JVM
+// JVM_TARGET: 1.8
+// SAM_CONVERSIONS: INDY
+// FULL_JDK
+
+// CHECK_BYTECODE_TEXT
+// JVM_IR_TEMPLATES
+// 2 java/lang/invoke/LambdaMetafactory
+// 2 A\.plus\(Ljava/lang/String;\)Ljava/lang/String;\,
+//  ^ check that we generate a reference to A::plus (same as javac)
+
+// FILE: serializableFakeOverrideFunRef.kt
+import java.io.*
+
+abstract class A(val s: String) {
+    fun plus(ss: String) = ss + s
+}
+
+abstract class B(s: String) : A(s)
+
+class C(s: String) : B(s)
+
+fun box(): String {
+    return roundtrip(Sam(C::plus))
+        .get(C("K"), "O")
+}
+
+fun <T> roundtrip(x: T): T {
+    val out1 = ByteArrayOutputStream()
+    ObjectOutputStream(out1).writeObject(x)
+    return ObjectInputStream(ByteArrayInputStream(out1.toByteArray())).readObject() as T
+}
+
+// FILE: Sam.java
+import java.io.*;
+
+public interface Sam extends Serializable {
+    String get(C x, String s);
+}