KT-27706: Dispatch receiver type for constructor accessor is Object

compiler/testData/codegen/box/inlineClasses/kt27706.kt

@@ -0,0 +1,17 @@
+// !LANGUAGE: +InlineClasses
+// WITH_RUNTIME
+// IGNORE_BACKEND: JVM_IR
+
+inline class Z(val x: Int) {
+    inner class Inner(val z: Z) {
+        val xx = x
+    }
+}
+
+fun box(): String {
+    val zi = Z(42).Inner(Z(100))
+    if (zi.xx != 42) throw AssertionError()
+    if (zi.z.x != 100) throw AssertionError()
+
+    return "OK"
+}