--- a/src/hotspot/share/classfile/classFileParser.cpp	Thu Dec 13 17:01:15 2018 +0100
+++ b/src/hotspot/share/classfile/classFileParser.cpp	Thu Dec 13 19:06:11 2018 +0100
@@ -119,6 +119,8 @@
 
 #define JAVA_12_VERSION                   56
 
+#define JAVA_13_VERSION                   57
+
 void ClassFileParser::set_class_bad_constant_seen(short bad_constant) {
   assert((bad_constant == 19 || bad_constant == 20) && _major_version >= JAVA_9_VERSION,
          "Unexpected bad constant pool entry");