Use CallbackVH in AliasSetTracker to avoid getting stuck with
authorDan Gohman <gohman@apple.com>
Thu, 30 Jul 2009 20:21:41 +0000 (20:21 +0000)
committerDan Gohman <gohman@apple.com>
Thu, 30 Jul 2009 20:21:41 +0000 (20:21 +0000)
commitb5b56ba9d4df47e618d4e0f9e1e09bf216733ee8
tree51b88036976afa291af99dbf4ea8e5a0fc68fd05
parentd8c95b5ac2ae0619c22434dbdd993196ea82489b
Use CallbackVH in AliasSetTracker to avoid getting stuck with
dangling Value*s.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77623 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/Analysis/AliasSetTracker.h
lib/Analysis/AliasSetTracker.cpp