Index: lib/CodeGen/LiveDebugVariables.cpp
===================================================================
--- lib/CodeGen/LiveDebugVariables.cpp
+++ lib/CodeGen/LiveDebugVariables.cpp
@@ -347,6 +347,7 @@
            "Dbg values are not emitted in LDV");
     EmitDone = false;
     ModifiedMF = false;
+    LS.reset();
   }
 
   /// mapVirtReg - Map virtual register to an equivalence class.