Constify the getClassName routine and variables that come out of it,
and then use it for forward decl names.

Part of rdar://10209967 and rdar://10400981

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@150040 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed