Add ir interpreter tests

compiler/testData/ir/interpreter/multipleOverridden.kt

@@ -0,0 +1,23 @@
+@CompileTimeCalculation
+open class A {
+    open fun get(): Int { return 1 }
+}
+
+@CompileTimeCalculation
+interface B {
+    fun get(): Int = 2
+}
+
+@CompileTimeCalculation
+interface C {
+    fun get(): Int = 3
+}
+
+@CompileTimeCalculation
+class D : A(), B, C {
+    override fun get(): Int {
+        return super<C>.get() + super<B>.get() + super<A>.get()
+    }
+}
+
+const val a = D().<!EVALUATED: `6`!>get()<!>