Please verify if the following is done in nightlies. If not, please file bugs to request updates in the nightly test definition.
[1] When aurora installs a new JDK, it should always run -Xshare:dump
[2] When flag rotation, we should test a fair number of -Xshare:on, -Xshare:off and -Xshare:auto
[1] When aurora installs a new JDK, it should always run -Xshare:dump
[2] When flag rotation, we should test a fair number of -Xshare:on, -Xshare:off and -Xshare:auto