References to enum entries should be always generated as GET_ENUM

compiler/testData/ir/irText/expressions/enumEntryAsReceiver.kt

@@ -0,0 +1,13 @@
+enum class X {
+
+    B {
+        val value2 = "OK"
+        override val value = { value2 }
+    };
+
+    abstract val value: () -> String
+}
+
+fun box(): String {
+    return X.B.value()
+}