Merged LoadCompiledKotlin test int LoadJavaTest.

compiler/testData/loadJava/compiledKotlin/classObject/Delegation.kt

@@ -0,0 +1,11 @@
+package test
+
+trait T {
+    fun foo(): Int
+}
+
+class A : T {
+    override fun foo() = 42
+
+    class object : T by A()
+}