diff --git a/lib/Basic/SourceManager.cpp b/lib/Basic/SourceManager.cpp
index 2b581bb..bb20067 100644
--- a/lib/Basic/SourceManager.cpp
+++ b/lib/Basic/SourceManager.cpp
@@ -129,6 +129,7 @@
   void clear() {
     FilenameIDs.clear();
     FilenamesByID.clear();
+    LineEntries.clear();
   }
   
   ~LineTableInfo() {}