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
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index aab5dd8..b368124 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -1562,6 +1562,12 @@
       Context->setsigjmp_bufDecl(Tag->getDecl());
     }
   }
+  if (unsigned ObjCIdRedef 
+        = SpecialTypes[pch::SPECIAL_TYPE_OBJC_ID_REDEFINITION])
+    Context->ObjCIdRedefinitionType = GetType(ObjCIdRedef);
+  if (unsigned ObjCClassRedef 
+      = SpecialTypes[pch::SPECIAL_TYPE_OBJC_CLASS_REDEFINITION])
+    Context->ObjCClassRedefinitionType = GetType(ObjCClassRedef);
 }
 
 /// \brief Retrieve the name of the original source file name