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

compiler/testData/diagnostics/tests/controlFlowAnalysis/deadCode/kt5200DeadCodeInLambdas.fir.kt

@@ -0,0 +1,25 @@
+//KT-5200 Mark unreachable code in lambdas
+
+fun test1(): String {
+    doCall local@ {
+        throw NullPointerException()
+        "b3" //unmarked
+    }
+
+    return "OK"
+}
+
+fun test2(nonLocal: String, b: Boolean): String {
+    doCall local@ {
+        if (b) {
+            return@local "b1"
+        } else {
+            return@local "b2"
+        }
+        "b3" //unmarked
+    }
+
+    return nonLocal
+}
+
+inline fun doCall(block: ()-> String) = block()