Move callable reference diagnostic tests to non-stdlib

compiler/testData/diagnostics/tests/callableReference/property/extensionFromTopLevel.kt

@@ -0,0 +1,29 @@
+// !CHECK_TYPE
+
+import kotlin.reflect.*
+
+val String.countCharacters: Int
+    get() = length()
+
+var Int.meaning: Long
+    get() = 42L
+    set(value) {}
+
+fun test() {
+    val f = String::countCharacters
+    
+    checkSubtype<KTopLevelExtensionProperty<String, Int>>(f)
+    checkSubtype<KExtensionProperty<String, Int>>(f)
+    checkSubtype<KMutableExtensionProperty<String, Int>>(<!TYPE_MISMATCH!>f<!>)
+    checkSubtype<Int>(f.get("abc"))
+    f.<!UNRESOLVED_REFERENCE!>set<!>("abc", 0)
+
+    val g = Int::meaning
+
+    checkSubtype<KTopLevelExtensionProperty<Int, Long>>(g)
+    checkSubtype<KExtensionProperty<Int, Long>>(g)
+    checkSubtype<KMutableTopLevelExtensionProperty<Int, Long>>(g)
+    checkSubtype<KMutableExtensionProperty<Int, Long>>(g)
+    checkSubtype<Long>(g.get(0))
+    g.set(1, 0L)
+}