Resolve callable reference expressions

#KT-1183 In Progress

compiler/testData/diagnostics/tests/callableReference/localConstructorFromExtensionInLocalClass.kt

@@ -0,0 +1,14 @@
+fun main() {
+    class A
+    
+    class B {
+        fun Int.foo() {
+            val x = ::A
+            x : KFunction0<A>
+        }
+        fun A.foo() {
+            val x = ::A
+            x : KFunction0<A>
+        }
+    }
+}