Add a new expression class, ObjCSuperExpr, to handle the Objective-C 'super'. Remove ObjCThis from PredefinedExpr

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@58698 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/StmtSerialization.cpp b/lib/AST/StmtSerialization.cpp
index aefaee3..09aacef 100644
--- a/lib/AST/StmtSerialization.cpp
+++ b/lib/AST/StmtSerialization.cpp
@@ -191,6 +191,9 @@
     case ObjCStringLiteralClass:
       return ObjCStringLiteral::CreateImpl(D, C);
       
+    case ObjCSuperExprClass:
+      return ObjCSuperExpr::CreateImpl(D, C);
+
     //==--------------------------------------==//
     //    C++
     //==--------------------------------------==//
@@ -1232,6 +1235,17 @@
   return new ObjCStringLiteral(String,T,L);
 }
 
+void ObjCSuperExpr::EmitImpl(llvm::Serializer& S) const {
+  S.Emit(getType());
+  S.Emit(Loc);
+}
+
+ObjCSuperExpr* ObjCSuperExpr::CreateImpl(llvm::Deserializer& D, ASTContext&) {
+  QualType Ty = QualType::ReadVal(D);
+  SourceLocation Loc = SourceLocation::ReadVal(D);
+  return new ObjCSuperExpr(Loc, Ty);
+}
+
 //===----------------------------------------------------------------------===//
 //   Serialization for Clang Extensions.
 //===----------------------------------------------------------------------===//