Support inline functions inside inline classes

compiler/testData/codegen/boxInline/inlineClasses/inlineFunctionInsideInlineClassesBox.kt

@@ -0,0 +1,23 @@
+// !LANGUAGE: +InlineClasses
+
+// FILE: 1.kt
+
+package test
+
+inline class A(val x: Int) {
+    inline fun inc(): A = A(this.x + 1)
+
+    inline fun result(other: A): String = if (other.x == x) "OK" else "fail"
+}
+
+// FILE: 2.kt
+
+import test.*
+
+fun box() : String {
+    val a = A(0)
+    val b = a.inc().inc()
+    val result = b.result(A(2))
+
+    return result
+}