Make proper check for defaults on delegation to DefaultImpls

compiler/testData/compileKotlinAgainstKotlin/jvm8/defaults/interop/newAndOldSchemes2.kt

@@ -0,0 +1,27 @@
+// FILE: 1.kt
+// !JVM_DEFAULT_MODE: disable
+
+interface Foo<T> {
+    fun test(p: T) = "fail"
+    val T.prop: String
+        get() = "fail"
+}
+
+// FILE: main.kt
+// !JVM_DEFAULT_MODE: all
+// JVM_TARGET: 1.8
+interface Foo2: Foo<String> {
+    override fun test(p: String) = p
+
+    override val String.prop: String
+        get() = this
+}
+
+interface Foo3: Foo<String>, Foo2
+
+class Base : Foo3
+
+fun box(): String {
+    val base = Base()
+    return base.test("O") + with(base) { "K".prop }
+}