Squashed 'third_party/eigen/' changes from 61d72f6..cf794d3
Change-Id: I9b814151b01f49af6337a8605d0c42a3a1ed4c72
git-subtree-dir: third_party/eigen
git-subtree-split: cf794d3b741a6278df169e58461f8529f43bce5d
diff --git a/failtest/sparse_ref_1.cpp b/failtest/sparse_ref_1.cpp
new file mode 100644
index 0000000..d78d1f9
--- /dev/null
+++ b/failtest/sparse_ref_1.cpp
@@ -0,0 +1,18 @@
+#include "../Eigen/Sparse"
+
+#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
+#define CV_QUALIFIER const
+#else
+#define CV_QUALIFIER
+#endif
+
+using namespace Eigen;
+
+void call_ref(Ref<SparseMatrix<float> > a) { }
+
+int main()
+{
+ SparseMatrix<float> a(10,10);
+ CV_QUALIFIER SparseMatrix<float>& ac(a);
+ call_ref(ac);
+}