4 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Lex/HeaderMap.cpp b/clang/lib/Lex/HeaderMap.cpp
index 0b75af54d1b..4c8b70eb782 100644
--- a/clang/lib/Lex/HeaderMap.cpp
+++ b/clang/lib/Lex/HeaderMap.cpp
@@ -18,6 +18,7 @@
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/MemoryBuffer.h"
+#include <cstdio>
 using namespace clang;
 
 //===----------------------------------------------------------------------===//
diff --git a/clang/lib/Lex/HeaderSearch.cpp b/clang/lib/Lex/HeaderSearch.cpp
index 44ae35c8b7e..2cc29ecbed8 100644
--- a/clang/lib/Lex/HeaderSearch.cpp
+++ b/clang/lib/Lex/HeaderSearch.cpp
@@ -17,6 +17,7 @@
 #include "clang/Basic/IdentifierTable.h"
 #include "llvm/System/Path.h"
 #include "llvm/ADT/SmallString.h"
+#include <cstdio>
 using namespace clang;
 
 HeaderSearch::HeaderSearch(FileManager &FM) : FileMgr(FM), FrameworkMap(64) {
diff --git a/clang/lib/Lex/PPMacroExpansion.cpp b/clang/lib/Lex/PPMacroExpansion.cpp
index a8b09e5edee..6cb1908330e 100644
--- a/clang/lib/Lex/PPMacroExpansion.cpp
+++ b/clang/lib/Lex/PPMacroExpansion.cpp
@@ -18,6 +18,7 @@
 #include "clang/Basic/SourceManager.h"
 #include "clang/Basic/FileManager.h"
 #include "clang/Lex/LexDiagnostic.h"
+#include <cstdio>
 #include <ctime>
 using namespace clang;
 
diff --git a/clang/lib/Lex/Preprocessor.cpp b/clang/lib/Lex/Preprocessor.cpp
index 26777d9170b..2a9fa0a85b5 100644
--- a/clang/lib/Lex/Preprocessor.cpp
+++ b/clang/lib/Lex/Preprocessor.cpp
@@ -38,6 +38,7 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Streams.h"
+#include <cstdio>
 using namespace clang;
 
 //===----------------------------------------------------------------------===//