1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Serialization/ASTWriter.cpp b/lib/Serialization/ASTWriter.cpp
index 26a54b1d55..345cc8e74c 100644
--- a/lib/Serialization/ASTWriter.cpp
+++ b/lib/Serialization/ASTWriter.cpp
@@ -298,6 +298,11 @@ ASTTypeWriter::VisitDependentTemplateSpecializationType(
   Code = TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION;
 }
 
+void ASTTypeWriter::VisitPackExpansionType(const PackExpansionType *T) {
+  Writer.AddTypeRef(T->getPattern(), Record);
+  Code = TYPE_PACK_EXPANSION;
+}
+
 void ASTTypeWriter::VisitParenType(const ParenType *T) {
   Writer.AddTypeRef(T->getInnerType(), Record);
   Code = TYPE_PAREN;
@@ -499,6 +504,9 @@ void TypeLocWriter::VisitDependentTemplateSpecializationTypeLoc(
     Writer.AddTemplateArgumentLocInfo(TL.getArgLoc(I).getArgument().getKind(),
                                       TL.getArgLoc(I).getLocInfo(), Record);
 }
+void TypeLocWriter::VisitPackExpansionTypeLoc(PackExpansionTypeLoc TL) {
+  Writer.AddSourceLocation(TL.getEllipsisLoc(), Record);
+}
 void TypeLocWriter::VisitObjCInterfaceTypeLoc(ObjCInterfaceTypeLoc TL) {
   Writer.AddSourceLocation(TL.getNameLoc(), Record);
 }