diff --git a/lib/AST/DeclSerialization.cpp b/lib/AST/DeclSerialization.cpp
index d2dde67..bbc28ab 100644
--- a/lib/AST/DeclSerialization.cpp
+++ b/lib/AST/DeclSerialization.cpp
@@ -362,6 +362,7 @@
   S.EmitBool(IsInline);        // From FunctionDecl.
   ValueDecl::EmitInRec(S);
   S.EmitPtr(DeclChain);
+  S.EmitPtr(PreviousDeclaration);
   
   // NOTE: We do not need to serialize out the number of parameters, because
   //  that is encoded in the type (accessed via getNumParams()).
@@ -387,6 +388,7 @@
   
   decl->ValueDecl::ReadInRec(D, C);
   D.ReadPtr(decl->DeclChain);
+  D.ReadPtr(decl->PreviousDeclaration);
 
   Decl* next_declarator;