diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp
index 88ee457f4fb..b1dc9019ccc 100644
--- a/lib/CodeGen/LiveRangeEdit.cpp
+++ b/lib/CodeGen/LiveRangeEdit.cpp
@@ -59,6 +59,7 @@ void LiveRangeEdit::scanRemattable(LiveIntervals &lis,
       continue;
     checkRematerializable(VNI, DefMI, tii, aa);
   }
+  scannedRemattable_ = true;
 }
 
 bool LiveRangeEdit::anyRematerializable(LiveIntervals &lis,