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-rw-r--r--llvm/utils/FileCheck/FileCheck.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/utils/FileCheck/FileCheck.cpp b/llvm/utils/FileCheck/FileCheck.cpp
index 43e8c79..77721f9 100644
--- a/llvm/utils/FileCheck/FileCheck.cpp
+++ b/llvm/utils/FileCheck/FileCheck.cpp
@@ -29,6 +29,7 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/system_error.h"
#include <algorithm>
+#include <cctype>
#include <map>
#include <string>
#include <vector>