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

compiler/testData/diagnostics/tests/callableReference/function/innerConstructorFromExtension.fir.kt

@@ -0,0 +1,23 @@
+// !CHECK_TYPE
+// !DIAGNOSTICS: -UNUSED_EXPRESSION
+// !LANGUAGE: +CallableReferencesToClassMembersWithEmptyLHS
+
+import kotlin.reflect.KFunction1
+
+class A {
+    inner class Inner
+}
+    
+fun A.main() {
+    ::Inner
+    val y = A::Inner
+
+    checkSubtype<KFunction1<A, A.Inner>>(y)
+}
+
+fun Int.main() {
+    ::Inner
+    val y = A::Inner
+
+    checkSubtype<KFunction1<A, A.Inner>>(y)
+}