1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Serialization/ASTWriterStmt.cpp b/lib/Serialization/ASTWriterStmt.cpp
index 5fa08d256c..9ca8130586 100644
--- a/lib/Serialization/ASTWriterStmt.cpp
+++ b/lib/Serialization/ASTWriterStmt.cpp
@@ -1481,6 +1481,17 @@ void ASTStmtWriter::VisitSubstNonTypeTemplateParmPackExpr(
   Code = serialization::EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK;
 }
 
+void ASTStmtWriter::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
+  VisitExpr(E);
+  Record.push_back(E->getNumExpansions());
+  Writer.AddDeclRef(E->getParameterPack(), Record);
+  Writer.AddSourceLocation(E->getParameterPackLocation(), Record);
+  for (FunctionParmPackExpr::iterator I = E->begin(), End = E->end();
+       I != End; ++I)
+    Writer.AddDeclRef(*I, Record);
+  Code = serialization::EXPR_FUNCTION_PARM_PACK;
+}
+
 void ASTStmtWriter::VisitMaterializeTemporaryExpr(MaterializeTemporaryExpr *E) {
   VisitExpr(E);
   Writer.AddStmt(E->Temporary);