--- old/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java	2016-04-13 17:39:54.000000000 -0700
+++ new/src/jdk.compiler/share/classes/com/sun/tools/javac/parser/JavacParser.java	2016-04-13 17:39:53.000000000 -0700
@@ -686,7 +686,7 @@
             try {
                 t = F.at(pos).Literal(
                     TypeTag.LONG,
-                    new Long(Convert.string2long(strval(prefix), token.radix())));
+                    Long.valueOf(Convert.string2long(strval(prefix), token.radix())));
             } catch (NumberFormatException ex) {
                 error(token.pos, "int.number.too.large", strval(prefix));
             }