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-rw-r--r--lib/Transforms/Scalar/SampleProfile.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/SampleProfile.cpp b/lib/Transforms/Scalar/SampleProfile.cpp
index 2158978156..129e66dcc6 100644
--- a/lib/Transforms/Scalar/SampleProfile.cpp
+++ b/lib/Transforms/Scalar/SampleProfile.cpp
@@ -50,6 +50,7 @@
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/Regex.h"
#include "llvm/Support/raw_ostream.h"
+#include <cctype>
using namespace llvm;