[IR] Add test about default arguments in expect declaration for HMMP

KT-45542

compiler/testData/codegen/box/multiplatform/multiModule/defaultArgument.kt

@@ -0,0 +1,51 @@
+// !LANGUAGE: +MultiPlatformProjects
+// KJS_WITH_FULL_RUNTIME
+// EXPECT_ACTUAL_LINKER
+// IGNORE_BACKEND: WASM
+// IGNORE_BACKEND: JS
+// DONT_TARGET_EXACT_BACKEND: JVM
+// DONT_TARGET_EXACT_BACKEND: JVM_IR
+// KT-45542
+
+// MODULE: E
+// FILE: e.kt
+@file:Suppress("NO_ACTUAL_FOR_EXPECT")
+
+expect class Test() {
+    fun size(): Int
+    fun lastIndex(start: Int, end: Int = size())
+
+    fun result(): String
+}
+
+// MODULE: A(E)
+// FILE: a.kt
+@file:Suppress("ACTUAL_WITHOUT_EXPECT")
+
+actual class Test {
+
+    var r = ""
+
+    actual fun size(): Int = 3
+    actual fun lastIndex(start: Int, end: Int) {
+        r = "OK"
+    }
+
+    actual fun result(): String = r
+}
+
+// MODULE: U(E)
+// FILE: u.kt
+
+fun foo(): String {
+    val t = Test()
+    t.lastIndex(0)
+    return t.result()
+}
+
+// MODULE: main(U, A)
+// FILE: m.kt
+
+fun box(): String {
+    return foo()
+}