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-rw-r--r--test/sparse_product.cpp6
1 files changed, 6 insertions, 0 deletions
diff --git a/test/sparse_product.cpp b/test/sparse_product.cpp
index d6b7638b1..a44d39d1d 100644
--- a/test/sparse_product.cpp
+++ b/test/sparse_product.cpp
@@ -7,6 +7,12 @@
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#if EIGEN_COMP_MSVC==1800
+// This unit test takes forever to compile in Release mode with MSVC 2013,
+// multiple hours. So let's switch off optimization for this one.
+#pragma optimize("",off)
+#endif
+
static long int nb_temporaries;
inline void on_temporary_creation() {