unqualified super: should be able to invoke methods of Any without extra hassle

when Any is an implicit immediate superclass

compiler/testData/diagnostics/tests/thisAndSuper/unqualifiedSuper/withMethodsOfAny.kt

@@ -0,0 +1,10 @@
+interface IFoo
+
+interface IBar
+
+class A : IFoo, IBar {
+    // Unqualified 'super' should be resolved to 'Any'.
+    override fun equals(other: Any?): Boolean = super.equals(other)
+    override fun hashCode(): Int = super.hashCode()
+    override fun toString(): String = super.toString()
+}