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

compiler/testData/diagnostics/tests/constructorConsistency/derived.fir.kt

@@ -0,0 +1,11 @@
+open class Base(val x: String) {
+    fun foo() = bar()
+
+    open fun bar() = -1
+}
+
+class Derived(x: String): Base(x) {
+    // It's still dangerous: we're not sure that foo() does not call some open function inside
+    val y = foo()
+    val z = x
+}