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

compiler/testData/diagnostics/tests/controlFlowAnalysis/kt2845.fir.kt

@@ -0,0 +1,18 @@
+//KT-2845 Wrong cf-analysys for variable initialization in try..finally
+package h
+
+import java.util.ArrayList
+
+private fun doTest() : Int {
+    var list : MutableList<Int>? ;
+    try {
+        list = ArrayList()
+        // Not-null was just assigned to the list
+        list.add(3)
+        return 0 ;
+    }
+    finally {
+        if(list != null) { // Must be an ERROR
+        }
+    }
+}