From c6fefe5d8e3eda8af05c7dcb278551598dbb5d8e Mon Sep 17 00:00:00 2001
From: Gael Guennebaud <g.gael@free.fr>
Date: Wed, 5 Nov 2014 16:15:17 +0100
Subject: Big 853: replace enable_if in Ref<> ctor by static assertions and add
 failtests for Ref<>

---
 failtest/ref_5.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 failtest/ref_5.cpp

(limited to 'failtest/ref_5.cpp')

diff --git a/failtest/ref_5.cpp b/failtest/ref_5.cpp
new file mode 100644
index 000000000..846d52795
--- /dev/null
+++ b/failtest/ref_5.cpp
@@ -0,0 +1,16 @@
+#include "../Eigen/Core"
+
+using namespace Eigen;
+
+void call_ref(Ref<VectorXf> a) { }
+
+int main()
+{
+  VectorXf a(10);
+  DenseBase<VectorXf> &ac(a);
+#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
+  call_ref(ac);
+#else
+  call_ref(ac.derived());
+#endif
+}
-- 
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