[Test] Ensure FIR doesn't fail on recursive private-to-this case

^KT-55446

compiler/testData/diagnostics/tests/visibility/privateToThisK1Crash.fail

@@ -0,0 +1 @@
+org.jetbrains.kotlin.util.ReenteringLazyValueComputationException

compiler/testData/diagnostics/tests/visibility/privateToThisK1Crash.kt

@@ -0,0 +1,14 @@
+// FIR_IDENTICAL
+// ISSUE: KT-55446
+val Any?.tt: String
+    get() = ""
+
+open class Base<in T>(t: T) {
+    private val tt = t.also { foo(null!!) }
+
+    fun foo(a: Derived<String>) = run {
+        val x: String = a.tt
+    }
+}
+
+class Derived<in T>(t: T) : Base<T>(t)