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

compiler/testData/diagnostics/tests/smartCasts/varnotnull/setSameInTry.fir.kt

@@ -0,0 +1,11 @@
+// !LANGUAGE: +SoundSmartCastsAfterTry
+
+fun foo() {
+    var s: String?
+    s = "Test"
+    try {
+        s = "Other"
+    } catch (ex: Exception) {}
+    // Problem: here we do not see that 's' is always not-null
+    s.hashCode()
+}