tree ebc641452a1003080bfb371aa0e975a0070c6c16
parent 5b882c420adc8f0556a0d966a641aef4c812079e
author Garret Rieger <grieger@google.com> 1634161200 -0700
committer Garret Rieger <grieger@google.com> 1634161200 -0700

[repacker] use possibly updated root idx after isolate_subgraph.

isolate_subgraph can change the root indices in some cases. So operations after the isolation need to use the roots from the output of isolate_subgraph.