[IR] Add MFVC generation tests

#KT-1179

compiler/testData/codegen/bytecodeText/valueClasses/MFVCDeclaration.kt

@@ -0,0 +1,68 @@
+// CHECK_BYTECODE_LISTING
+// WITH_STDLIB
+// TARGET_BACKEND: JVM_IR
+// WORKS_WHEN_VALUE_CLASS
+// LANGUAGE: +ValueClasses
+
+@JvmInline
+value class A<T : Any>(val x: List<T>)
+
+@JvmInline
+value class B(val x: UInt)
+
+@JvmInline
+value class C(val x: Int, val y: B, val z: String = "3")
+
+@JvmInline
+value class D(val x: C) {
+    constructor(x: Int, y: UInt, z: Int) : this(C(x, B(y), z.toString()))
+
+    init {
+        println(x.x)
+    }
+}
+
+fun functionWithoutBoxes(x: D, y: D) {
+    var z: D = x
+    val t: D = D(C(1, B(3U), "4"))
+    z = t
+    require(z == y)
+}
+
+// 2 public static toString-impl\(IILjava/lang/String;\)Ljava/lang/String;
+// 2 INVOKESTATIC C.toString-impl \(IILjava/lang/String;\)Ljava/lang/String;
+// 1 INVOKESTATIC D.toString-impl \(IILjava/lang/String;\)Ljava/lang/String;
+// 2 public static hashCode-impl\(IILjava/lang/String;\)I
+// 2 INVOKESTATIC C.hashCode-impl \(IILjava/lang/String;\)I
+// 1 INVOKESTATIC D.hashCode-impl \(IILjava/lang/String;\)I
+// 2 public static equals-impl\(IILjava/lang/String;Ljava/lang/Object;\)Z
+// 2 public final static equals-impl0\(IILjava/lang/String;IILjava/lang/String;\)Z
+// 1 public final static constructor-impl\(III\)LD;
+// 2 public final static constructor-impl\(IILjava/lang/String;\)V
+// 2 INVOKESTATIC D.constructor-impl \(IILjava/lang/String;\)V
+// 2 INVOKESTATIC C.constructor-impl \(IILjava/lang/String;\)V
+// 1 public final getX\(\)LC;
+// 1 public final getX\$x\(\)I
+// 1 public final getX\$y\(\)I
+// 1 public final getX\$z\(\)Ljava/lang/String;
+// 2 private synthetic <init>\(IILjava/lang/String;\)V
+// 1 public final static synthetic box-impl\(IILjava/lang/String;\)LD;
+// 1 public final static synthetic box-impl\(IILjava/lang/String;\)LC;
+// 2 public final synthetic unbox-impl0\(\)I
+// 2 public final synthetic unbox-impl1\(\)I
+// 2 public final synthetic unbox-impl2\(\)Ljava/lang/String;
+// 1 private I x\$x
+// 1 private I x\$y
+// 1 private Ljava/lang/String; x\$z
+// 0 private LC; x
+// 3 private I x
+// 1 private I y
+// 1 private Ljava/lang/String; z
+// 1 INVOKESPECIAL C.<init> \(IILjava/lang/String;\)V
+// 1 INVOKESPECIAL D.<init> \(IILjava/lang/String;\)V
+// 1 INVOKESTATIC D.box-impl \(IILjava/lang/String;\)LD;
+// 1 INVOKESTATIC D.box-impl \(IILjava/lang/String;\)LD;\n    ARETURN
+// 1 INVOKESTATIC C.box-impl \(IILjava/lang/String;\)LC;
+// 1 INVOKESTATIC C.box-impl \(IILjava/lang/String;\)LC;\n    ARETURN
+// 1 public final static functionWithoutBoxes-GPBa7dw-AYZo7_8\(IILjava/lang/String;IILjava/lang/String;\)V
+// 0 functionWithoutBoxes.*(\n {3}.*)*(\n {4}(NEW [ABCD]|.*(box|[ABCD]\.<init>|LA;|LB;|LC;|LD;)))