Please review JDK-8135251 "Use Unsafe.defineAnonymousClass for loading Nashorn script code" at <http://cr.openjdk.java.net/~attila/8135251/webrev.jdk9> for <https://bugs.openjdk.java.net/browse/JDK-8135251>
Implementation notes are in <https://bugs.openjdk.java.net/browse/JDK-8135251?focusedCommentId=13841379&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13841379 <https://bugs.openjdk.java.net/browse/JDK-8135251?focusedCommentId=13841379&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13841379>> Thanks, Attila.