diff --git a/test/product_large.cpp b/test/product_large.cpp
--- a/test/product_large.cpp
+++ b/test/product_large.cpp
@@ -56,9 +56,18 @@ void test_product_large()
     MatrixXf mat2(32,32); mat2.setRandom();
     MatrixXf r1 = mat1.row(2)*mat2.transpose();
     VERIFY_IS_APPROX(r1, (mat1.row(2)*mat2.transpose()).eval());
 
     MatrixXf r2 = mat1.row(2)*mat2;
     VERIFY_IS_APPROX(r2, (mat1.row(2)*mat2).eval());
   }
 #endif
+
+  // Regression test for bug 714:
+#ifdef EIGEN_HAS_OPENMP
+  std::cout << "Testing OpenMP\n";
+  omp_set_dynamic(1);
+  for(int i = 0; i < g_repeat; i++) {
+    CALL_SUBTEST_6( product(Matrix<float,Dynamic,Dynamic>(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
+  }
+#endif
 }