SOLR-6457

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1622818 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6457

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1622821 13f79535-47bb-0310-9956-ffa450edef68