Update release notes wrt #2541

Author: cowtowncoder

release-notes/CREDITS-2.x

@@ -1461,3 +1461,11 @@ Jan Judas (kostislav@github)
 Deniz Husaj (denizhusaj@github)
   * Reported #3447: Deeply nested JsonNode throws StackOverflowError for toString()
   (2.14.0)
+
+Matthew Altman (matthew-altman@github)
+  * Reported #2541: Cannot merge polymorphic objects
+  (2.14.0)
+
+James Wang (jameswangz@github)
+  * Contributed fix for #2541: Cannot merge polymorphic objects
+  (2.14.0)

release-notes/VERSION-2.x

@@ -6,6 +6,9 @@ Project: jackson-databind
 
 2.14.0 (not yet released)
 
+#2541: Cannot merge polymorphic objects
+ (reported by Matthew A)
+ (fix contributed by James W)
 #3357: `@JsonIgnore` does not if together with `@JsonProperty` or `@JsonFormat`
  (reported by lizongbo@github)
 #3373: Change `TypeSerializerBase` to skip `generator.writeTypePrefix()`

src/main/java/com/fasterxml/jackson/databind/util/ClassUtil.java

@@ -489,9 +489,8 @@ public static void unwrapAndThrowAsIAE(Throwable t, String msg)
     public static void closeOnFailAndThrowAsIOE(JsonGenerator g, Exception fail)
         throws IOException
     {
-        /* 04-Mar-2014, tatu: Let's try to prevent auto-closing of
-         *    structures, which typically causes more damage.
-         */
+        // 04-Mar-2014, tatu: Let's try to prevent auto-closing of
+        //    structures, which typically causes more damage.
         g.disable(JsonGenerator.Feature.AUTO_CLOSE_JSON_CONTENT);
         try {
             g.close();