diff --git a/lib/CodeGen/MachineModuleInfo.cpp b/lib/CodeGen/MachineModuleInfo.cpp
index 8360745..9943fa9 100644
--- a/lib/CodeGen/MachineModuleInfo.cpp
+++ b/lib/CodeGen/MachineModuleInfo.cpp
@@ -1364,6 +1364,12 @@
   return GV;
 }
 
+/// addDescriptor - Directly connect DD with existing GV.
+void DISerializer::addDescriptor(DebugInfoDesc *DD,
+                                 GlobalVariable *GV) {
+  DescGlobals[DD] = GV;
+}
+
 //===----------------------------------------------------------------------===//
 
 /// Verify - Return true if the GlobalVariable appears to be a valid