fix a potentially serious bug in AliasSet::removeCallSite 
where we shrunk the list without updating the end iterator.
By inspection, from PR9639.  


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129190 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed