diff -r 3308660aa3f2 -r afa6934dd8e8 jdk/src/share/classes/java/beans/Introspector.java
--- a/jdk/src/share/classes/java/beans/Introspector.java	Mon Jun 16 08:09:30 2014 -0700
+++ b/jdk/src/share/classes/java/beans/Introspector.java	Mon Jun 16 17:45:26 2014 +0100
@@ -1282,7 +1282,7 @@
      * Creates a key for a method in a method cache.
      */
     private static String makeQualifiedMethodName(String name, String[] params) {
-        StringBuffer sb = new StringBuffer(name);
+        StringBuilder sb = new StringBuilder(name);
         sb.append('=');
         for (int i = 0; i < params.length; i++) {
             sb.append(':');