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

compiler/testData/diagnostics/tests/smartCasts/thisWithLabelAsReceiverPart.fir.kt

@@ -0,0 +1,39 @@
+package foo
+
+class C(val i: Int?) {}
+
+class A(val c: C) {
+    fun test1() {
+        if (this@A.c.i != null) {
+            useInt(this.c.i)
+            useInt(c.i)
+        }
+    }
+
+    inner class B {
+        fun test2() {
+            if (c.i != null) {
+                useInt(this@A.c.i)
+            }
+        }
+    }
+}
+
+fun A.foo() {
+    if (this@foo.c.i != null) {
+        useInt(this.c.i)
+        useInt(c.i)
+    }
+}
+
+fun test3() {
+    useFunction {
+        if(c.i != null) {
+            useInt(this.c.i)
+        }
+    }
+}
+
+fun useInt(i: Int) = i
+fun useFunction(f: A.() -> Unit) = f
+