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

compiler/testData/diagnostics/tests/subtyping/nestedIntoLocalClasses.fir.kt

@@ -0,0 +1,23 @@
+// !WITH_NEW_INFERENCE
+// !DIAGNOSTICS: -ASSIGNED_BUT_NEVER_ACCESSED_VARIABLE -UNUSED_VALUE -UNUSED_PARAMETER
+
+package p
+
+private fun foo(a: Int) = run {
+    object {
+        inner class A
+        fun foo() = A()
+    }.foo()
+}
+
+private fun foo() = run {
+    object {
+        inner class A
+        fun foo() = A()
+    }.foo()
+}
+
+fun test() {
+    var x = foo(1)
+    x = foo()
+}