fixes a buildbot failure.

llvm-svn: 167934

diff --git a/clang/lib/CodeGen/CGBlocks.cpp b/clang/lib/CodeGen/CGBlocks.cpp
index 33f6eeb..69449b1 100644 (file)
--- a/clang/lib/CodeGen/CGBlocks.cpp
+++ b/clang/lib/CodeGen/CGBlocks.cpp
@@ -21,6 +21,7 @@
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/DataLayout.h"
 #include <algorithm>
+#include <cstdio>
 
 using namespace clang;
 using namespace CodeGen;