tree 7909ddf284cb0dbd6d2a97b194d5d5a0e7e7d569
parent 20e1c20790ee917e434739330e6dfa683ca760f6
author Carlos Frias <friasc@google.com> 1488072613 -0500
committer Carlos Frias <friasc@google.com> 1488072613 -0500

better integrated upgrade_edge semantics