PCH (de-)serialization of the protocols in an ObjCInterfaceDecl

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69860 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index 72dda6c..851eebc 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -227,6 +227,11 @@
   ID->setTypeForDecl(Reader.GetType(Record[Idx++]).getTypePtr());
   ID->setSuperClass(cast_or_null<ObjCInterfaceDecl>
                        (Reader.GetDecl(Record[Idx++])));
+  unsigned NumProtocols = Record[Idx++];
+  llvm::SmallVector<ObjCProtocolDecl *, 16> Protocols;
+  Protocols.reserve(NumProtocols);
+  for (unsigned I = 0; I != NumProtocols; ++I)
+    Protocols.push_back(cast<ObjCProtocolDecl>(Reader.GetDecl(Record[Idx++])));
   unsigned NumIvars = Record[Idx++];
   llvm::SmallVector<ObjCIvarDecl *, 16> IVars;
   IVars.reserve(NumIvars);
@@ -239,7 +244,7 @@
   ID->setClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
   ID->setSuperClassLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
   ID->setAtEndLoc(SourceLocation::getFromRawEncoding(Record[Idx++]));
-  // FIXME: add protocols, categories.
+  // FIXME: add categories.
 }
 
 void PCHDeclReader::VisitObjCIvarDecl(ObjCIvarDecl *IVD) {