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-rw-r--r--llvm/unittests/Support/SignalsTest.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/llvm/unittests/Support/SignalsTest.cpp b/llvm/unittests/Support/SignalsTest.cpp
index 6dfa4bf996d..8c595c203ae 100644
--- a/llvm/unittests/Support/SignalsTest.cpp
+++ b/llvm/unittests/Support/SignalsTest.cpp
@@ -9,6 +9,7 @@
#if !defined(_WIN32)
#include <unistd.h>
#include <sysexits.h>
+#include <signal.h>
#endif // !defined(_WIN32)
#include "llvm/Support/Signals.h"
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