2 files changed, 10 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/Mangle.cpp b/clang/lib/CodeGen/Mangle.cpp
index 026f6ba3ff4..4659831a66d 100644
--- a/clang/lib/CodeGen/Mangle.cpp
+++ b/clang/lib/CodeGen/Mangle.cpp
@@ -1474,6 +1474,12 @@ void CXXNameMangler::mangleType(const DependentSizedExtVectorType *T) {
   mangleType(T->getElementType());
 }
 
+void CXXNameMangler::mangleType(const PackExpansionType *T) {
+  // FIXME: We may need to push this mangling into the callers
+  Out << "sp";
+  mangleType(T->getPattern());
+}
+
 void CXXNameMangler::mangleType(const ObjCInterfaceType *T) {
   mangleSourceName(T->getDecl()->getIdentifier());
 }
diff --git a/clang/lib/CodeGen/MicrosoftCXXABI.cpp b/clang/lib/CodeGen/MicrosoftCXXABI.cpp
index dd2f1cb1345..aa9046f981b 100644
--- a/clang/lib/CodeGen/MicrosoftCXXABI.cpp
+++ b/clang/lib/CodeGen/MicrosoftCXXABI.cpp
@@ -1140,6 +1140,10 @@ void MicrosoftCXXNameMangler::mangleType(
          "Don't know how to mangle DependentTemplateSpecializationTypes yet!");
 }
 
+void MicrosoftCXXNameMangler::mangleType(const PackExpansionType *T) {
+  assert(false && "Don't know how to mangle PackExpansionTypes yet!");
+}
+
 void MicrosoftCXXNameMangler::mangleType(const TypeOfType *T) {
   assert(false && "Don't know how to mangle TypeOfTypes yet!");
 }