diff --git a/lib/AST/ASTImporter.cpp b/lib/AST/ASTImporter.cpp
index 08c1ea4..c62225e 100644
--- a/lib/AST/ASTImporter.cpp
+++ b/lib/AST/ASTImporter.cpp
@@ -1709,6 +1709,10 @@
       QualType T = Importer.Import(Base1->getType());
       if (T.isNull())
         return true;
+
+      SourceLocation EllipsisLoc;
+      if (Base1->isPackExpansion())
+        EllipsisLoc = Importer.Import(Base1->getEllipsisLoc());
       
       Bases.push_back(
                     new (Importer.getToContext()) 
@@ -1716,7 +1720,8 @@
                                        Base1->isVirtual(),
                                        Base1->isBaseOfClass(),
                                        Base1->getAccessSpecifierAsWritten(),
-                                       Importer.Import(Base1->getTypeSourceInfo())));
+                                   Importer.Import(Base1->getTypeSourceInfo()),
+                                       EllipsisLoc));
     }
     if (!Bases.empty())
       ToCXX->setBases(Bases.data(), Bases.size());
diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index 35c8997..3304ad9 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -196,7 +196,8 @@
     data().getVBases()[I] =
       CXXBaseSpecifier(VBaseClassDecl->getSourceRange(), true,
                        VBaseClassDecl->getTagKind() == TTK_Class,
-                       VBases[I]->getAccessSpecifier(), VBaseTypeInfo);
+                       VBases[I]->getAccessSpecifier(), VBaseTypeInfo,
+                       SourceLocation());
   }
 }