diff --git a/lib/CodeGen/VirtRegMap.cpp b/lib/CodeGen/VirtRegMap.cpp
index 7523d73..fa5a6ac 100644
--- a/lib/CodeGen/VirtRegMap.cpp
+++ b/lib/CodeGen/VirtRegMap.cpp
@@ -712,6 +712,7 @@
               NextMII = &MI;
               --NextMII;  // backtrack to the copy.
             }
+            VRM.RemoveFromFoldedVirtMap(&MI);
             MBB.erase(&MI);
             goto ProcessNextInst;
           }