[analyzer] Refactor: parameter rename.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172595 91177308-0d34-0410-b5e6-96231b3b80d8
[analyzer] Fix warning typo.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172596 91177308-0d34-0410-b5e6-96231b3b80d8
[analyzer] Add an annotation to allow suppression of direct ivar
assignment

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172597 91177308-0d34-0410-b5e6-96231b3b80d8