Support for contextual conversion tweaks (N3323) was added, as Revision 183637

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183639 91177308-0d34-0410-b5e6-96231b3b80d8
Fixes the comment for hasDeclaration.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@183640 91177308-0d34-0410-b5e6-96231b3b80d8