diff --git a/lib/CodeGen/MachineModuleInfo.cpp b/lib/CodeGen/MachineModuleInfo.cpp
index ed5bb5e..dc26d91 100644
--- a/lib/CodeGen/MachineModuleInfo.cpp
+++ b/lib/CodeGen/MachineModuleInfo.cpp
@@ -71,6 +71,7 @@
 
   // Clean up exception info.
   LandingPads.clear();
+  CallSiteMap.clear();
   TypeInfos.clear();
   FilterIds.clear();
   FilterEnds.clear();