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

compiler/testData/diagnostics/tests/dataFlow/local/LocalClassDelegation.fir.kt

@@ -0,0 +1,11 @@
+interface D {
+  fun foo() {}
+}
+
+fun test(d: Any?) {
+  if (d !is D) return
+
+  class Local : D by d {
+  }
+}
+