[analyzer] Address Jordan’s code review of r 179221

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179234 91177308-0d34-0410-b5e6-96231b3b80d8
[analyzer] Address Jordan’s review of r179219

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@179235 91177308-0d34-0410-b5e6-96231b3b80d8