Support property delegation to inline class values (KT-27070)

compiler/testData/codegen/box/inlineClasses/propertyDelegation/kt27070.kt

@@ -0,0 +1,24 @@
+// !LANGUAGE: +InlineClasses
+// IGNORE_BACKEND: JVM_IR
+// WITH_RUNTIME
+
+import kotlin.properties.ReadOnlyProperty
+import kotlin.reflect.KProperty
+
+class Foo {
+    val a: Int = 42
+    val b by Delegate(0)
+}
+
+inline class Delegate(val ignored: Int): ReadOnlyProperty<Foo, Int> {
+    override fun getValue(thisRef: Foo, property: KProperty<*>): Int {
+        return thisRef.a
+    }
+}
+
+fun box(): String {
+    val x = Foo()
+    if (x.b != 42) throw AssertionError()
+
+    return "OK"
+}