Dan Gohman e60dcb5e97 Make ScalarEvolution::forgetLoop forget all contained loops too, because
they may have ValuesAtScopes map entries referencing their outer loops.
This fixes a user-after-free reported in PR8471.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117698 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-29 20:16:10 +00:00
..
2010-10-29 18:21:18 +00:00
2010-10-28 21:33:33 +00:00