tree b1efb579730e9444d462b8b03beab942ffcc138d
parent f8354abf994b9f224bb1ac54113300ed31ff259b
author Than McIntosh <thanm@google.com> 1495550522 -0400
committer Than McIntosh <thanm@google.com> 1495585131 +0000

gollvm: relax assertion in IntegrityVisitor::unsetParent

Convert an overly narrow assertion in IntegrityVisitor::unsetParent to
a guard (needed to enable tree sharing repair in certain cases).

Change-Id: I198109e6a5733cefbb37158871a2ab1f1f4f87c8
Reviewed-on: https://go-review.googlesource.com/43953
Reviewed-by: Ian Lance Taylor <iant@golang.org>