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/swap_2.cpp b/failtest/swap_2.cpp
new file mode 100644
index 0000000..c130ba6
--- /dev/null
+++ b/failtest/swap_2.cpp
@@ -0,0 +1,14 @@
+#include "../Eigen/Core"
+
+using namespace Eigen;
+
+int main()
+{
+ VectorXf a(10), b(10);
+ VectorXf const &ac(a);
+#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
+ b.swap(ac);
+#else
+ b.swap(ac.const_cast_derived());
+#endif
+}
\ No newline at end of file