8274686: java.util.UUID#hashCode() should use Long.hashCode()

JarvisCraft · Roger Riggs · commit cc2cac130cc2 · 2021-11-08T13:22:37.000Z
Reviewed-by: rriggs
diff --git a/src/java.base/share/classes/java/util/UUID.java b/src/java.base/share/classes/java/util/UUID.java
@@ -468,8 +468,7 @@ public String toString() {
      */
     @Override
     public int hashCode() {
-        long hilo = mostSigBits ^ leastSigBits;
-        return ((int)(hilo >> 32)) ^ (int) hilo;
+        return Long.hashCode(mostSigBits ^ leastSigBits);
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -468,8 +468,7 @@ public String toString() {`
`468`	`468`	`*/`
`469`	`469`	`@Override`
`470`	`470`	`public int hashCode() {`
`471`		`- long hilo = mostSigBits ^ leastSigBits;`
`472`		`- return ((int)(hilo >> 32)) ^ (int) hilo;`
	`471`	`+ return Long.hashCode(mostSigBits ^ leastSigBits);`
`473`	`472`	`}`
`474`	`473`
`475`	`474`	`/**`