make/tools/crules/MutableFieldsAnalyzer.java

*** 105,114 ****
--- 105,116 ----
                  "configurationClass", "resolveRequiresAndUsesMethod");
          ignoreFields("com.sun.tools.javac.util.JDK9Wrappers$Layer",
                  "layerClass", "bootMethod", "defineModulesWithOneLoaderMethod", "configurationMethod");
          ignoreFields("com.sun.tools.javac.util.JDK9Wrappers$Module",
                  "addExportsMethod", "addUsesMethod", "getModuleMethod", "getUnnamedModuleMethod");
+         ignoreFields("com.sun.tools.javac.util.JDK9Wrappers$ModuleDescriptor$Version",
+                 "versionClass", "parseMethod");
          ignoreFields("com.sun.tools.javac.util.JDK9Wrappers$ServiceLoaderHelper",
                  "loadMethod");
          ignoreFields("com.sun.tools.javac.util.JDK9Wrappers$VMHelper",
                  "vmClass", "getRuntimeArgumentsMethod");
          ignoreFields("com.sun.tools.javac.util.JDK9Wrappers$JmodFile",