CLJ-1408 - make cached string value of Keyword and Symbol transient

Signed-off-by: Stuart Halloway <[email protected]>

Author: nurkiewicz

src/jvm/clojure/lang/Keyword.java

@@ -27,7 +27,7 @@ public class Keyword implements IFn, Comparable, Named, Serializable, IHashEq {
 static final ReferenceQueue rq = new ReferenceQueue();
 public final Symbol sym;
 final int hasheq;
-String _str;
+transient String _str;
 
 public static Keyword intern(Symbol sym){
 	Keyword k = null;

src/jvm/clojure/lang/Symbol.java

@@ -21,7 +21,7 @@ public class Symbol extends AFn implements IObj, Comparable, Named, Serializable
 final String name;
 private int _hasheq;
 final IPersistentMap _meta;
-String _str;
+transient String _str;
 
 public String toString(){
 	if(_str == null){

test/clojure/test_clojure/serialization.clj

@@ -122,6 +122,17 @@
     ::namespaced-keyword
     'symbol))
 
+(deftest tostringed-bytes
+  (let [rt #(-> % serialize seq)
+        s1 (rt 'sym123)
+        k1 (rt :kw123)
+        _ (.toString 'sym123)
+        _ (.toString :kw123)
+        s2 (rt 'sym123)
+        k2 (rt :kw123)]
+    (is (= s1 s2))
+    (is (= k1 k2))))
+
 (deftest interned-serializations
   (are [v] (identical? v (-> v serialize deserialize))
     clojure.lang.RT/DEFAULT_COMPARATOR