diff --git a/clang/lib/Frontend/HTMLDiagnostics.cpp b/clang/lib/Frontend/HTMLDiagnostics.cpp
index 145d53f..3ba7abf 100644
--- a/clang/lib/Frontend/HTMLDiagnostics.cpp
+++ b/clang/lib/Frontend/HTMLDiagnostics.cpp
@@ -109,6 +109,8 @@
     ReportDiag(*D, FilesMade);
     delete D;
   }
+  
+  BatchedDiags.clear();
 }
 
 void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D,