--- old/src/java.xml/share/classes/com/sun/xml/internal/stream/writers/UTF8OutputStreamWriter.java	2016-12-15 10:06:45.209831257 -0800
+++ new/src/java.xml/share/classes/com/sun/xml/internal/stream/writers/UTF8OutputStreamWriter.java	2016-12-15 10:06:45.057823659 -0800
@@ -89,7 +89,7 @@
         // Otherwise, encode char as defined in UTF-8
         if (c < 0x80) {
             // 1 byte, 7 bits
-            out.write((int) c);
+            out.write(c);
         }
         else if (c < 0x800) {
             // 2 bytes, 11 bits