C++11: don't warn about the deprecated 'register' keyword if it's combined with
an asm label.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@184069 91177308-0d34-0410-b5e6-96231b3b80d8
Remove unused file.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@184070 91177308-0d34-0410-b5e6-96231b3b80d8