1 files changed, 2 insertions, 1 deletions
diff --git a/tools/llvm-mc/AsmLexer.cpp b/tools/llvm-mc/AsmLexer.cpp
index 36faeb3fac..0828594a35 100644
--- a/tools/llvm-mc/AsmLexer.cpp
+++ b/tools/llvm-mc/AsmLexer.cpp
@@ -15,6 +15,7 @@
 #include "llvm/Support/SourceMgr.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include <cerrno>
+#include <cstdio>
 #include <cstdlib>
 using namespace llvm;
 
@@ -254,4 +255,4 @@ asmtok::TokKind AsmLexer::LexToken() {
   // Forward/backward labels: [0-9][fb]
   // Integers, fp constants, character constants.
   }
-}
-\ No newline at end of file
+}