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-rw-r--r--unsupported/test/autodiff_scalar.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/unsupported/test/autodiff_scalar.cpp b/unsupported/test/autodiff_scalar.cpp
index 9cf11280c..a917ec344 100644
--- a/unsupported/test/autodiff_scalar.cpp
+++ b/unsupported/test/autodiff_scalar.cpp
@@ -81,6 +81,9 @@ void check_limits_specialization()
typedef std::numeric_limits<AD> A;
typedef std::numeric_limits<Scalar> B;
+ // workaround "unsed typedef" warning:
+ VERIFY(!bool(internal::is_same<B, A>::value));
+
#if EIGEN_HAS_CXX11
VERIFY(bool(std::is_base_of<B, A>::value));
#endif