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

compiler/testData/diagnostics/tests/nullabilityAndSmartCasts/funcLiteralArgsInsideAmbiguity.fir.kt

@@ -0,0 +1,14 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
+package d
+
+fun bar() {
+    val i: Int? = 42
+    if (i != null) {
+        <!AMBIGUITY!>doSmth1<!> {
+        val x = i + 1
+    }
+}
+}
+
+fun doSmth1(f: ()->Unit) {}
+fun doSmth1(g: (Int)->Unit) {}