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

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/kt3162tryAsInitializer.fir.kt

@@ -0,0 +1,12 @@
+//KT-3162 More precise try-finally error marking
+
+fun foo(x: String) : String {
+    val a = try {
+        x
+    } finally {
+        try {
+        } catch (e: Exception) {
+        }
+        return x
+    }
+}