tree da3255d3dbc1a30ef64d67fc8a93a4f405502a11
parent b6f699c030fe9565bf82d3df28961a7db3b06e69
author Carlos Frias <friasc@google.com> 1488066552 -0500
committer Carlos Frias <friasc@google.com> 1488066552 -0500

better integrated upgrade_edge semantics