Make the new Objective-C "id" and "Class" redefinition types special
types that are preloaded by the PCH file. Fixes PCH breakage
introduced in r79248.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@79583 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed