[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/controlFlowAnalysis/enumInterdependence.fir.kt

@@ -0,0 +1,35 @@
+enum class A(val v: A) {
+    A1(A2),
+    A2(A1)
+}
+
+enum class D(val x: Int) {
+    D1(D2.x),
+    D2(D1.x)
+}
+
+enum class E(val v: Int) {
+    // KT-11769 related: there is no predictable initialization order for enum entry with non-companion object
+    E1(Nested.COPY);
+
+    object Nested {
+        val COPY = E1.v
+    }
+}
+// From KT-13322: cross reference should not be reported here
+object Object1 {
+    val y: Any = Object2.z
+    object Object2 {
+        val z: Any = Object1.y
+    }
+}
+
+// From KT-6054
+enum class MyEnum {
+    A, B;
+    val x = when(this) {
+        A -> 1
+        B -> 2
+        else -> 3
+    }
+}