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

compiler/testData/diagnostics/tests/constructorConsistency/inspection.fir.kt

@@ -0,0 +1,56 @@
+class First {
+    val x: String
+
+    init {
+        use(this) // NPE! Leaking this
+        x = foo() // NPE! Own function
+    }
+
+    fun foo() = x
+}
+
+fun use(first: First) = first.x.hashCode()
+
+abstract class Second {
+    val x: String
+
+    init {
+        use(this) // Leaking this in non-final
+        x = bar() // Own function in non-final
+        foo()     // Non-final function call
+    }
+
+    private fun bar() = foo()
+
+    abstract fun foo(): String
+}
+
+fun use(second: Second) = second.x
+
+class SecondDerived : Second() {
+    val y = x // null!
+
+    override fun foo() = y
+}
+
+open class Third {
+    open var x: String
+
+    constructor() {
+        x = "X" // Non-final property access
+    }
+}
+
+class ThirdDerived : Third() {
+    override var x: String = "Y"
+        set(arg) { field = "$arg$y" }
+
+    val y = ""
+}
+
+class Fourth {
+    val x: String
+        get() = y
+
+    val y = x // null!
+}