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

compiler/testData/diagnostics/tests/controlFlowAnalysis/kt4405.fir.kt

@@ -0,0 +1,30 @@
+//KT-4405 Control-flow analysis is not performed for some local declarations
+
+package d
+
+val closure = {
+    val x4 = "" // error: should be UNUSED_VARIABLE
+
+    fun g() {
+        val x6 = "" // error: should be UNUSED_VARIABLE
+    }
+
+    fun h(): Int { // error: should be NO_RETURN_IN_FUNCTION_WITH_BLOCK_BODY
+    }
+}
+
+class A {
+    init {
+        fun foo(): Int {
+        }
+
+        val closure = {
+            val x = ""
+
+            fun local(): Int {
+            }
+        }
+
+        val y = ""
+    }
+}