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-rw-r--r--lib/Target/SubtargetFeature.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/SubtargetFeature.cpp b/lib/Target/SubtargetFeature.cpp
index dc3aef2c1f..1583f4e43b 100644
--- a/lib/Target/SubtargetFeature.cpp
+++ b/lib/Target/SubtargetFeature.cpp
@@ -17,7 +17,7 @@
#include <algorithm>
#include <vector>
#include <cassert>
-
+#include <cctype>
using namespace llvm;