From e0791f4e54ea7845b634a2f0c96f2a08f8f712de Mon Sep 17 00:00:00 2001
From: acxz <17132214+acxz@users.noreply.github.com>
Date: Mon, 27 Jul 2020 23:43:35 -0400
Subject: [PATCH] workaround to dereferencing a nullptr

---
 gtsam/nonlinear/tests/testCallRecord.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/gtsam/nonlinear/tests/testCallRecord.cpp b/gtsam/nonlinear/tests/testCallRecord.cpp
index c5ccc0f52..66c56e696 100644
--- a/gtsam/nonlinear/tests/testCallRecord.cpp
+++ b/gtsam/nonlinear/tests/testCallRecord.cpp
@@ -98,7 +98,8 @@ struct Record: public internal::CallRecordImplementor<Record, Cols> {
   friend struct internal::CallRecordImplementor;
 };
 
-internal::JacobianMap & NJM= *static_cast<internal::JacobianMap *>(nullptr);
+internal::JacobianMap* NJM_ptr = static_cast<internal::JacobianMap *>(nullptr);
+internal::JacobianMap & NJM = *NJM_ptr;
 
 /* ************************************************************************* */
 typedef Eigen::Matrix<double, Eigen::Dynamic, Cols> DynRowMat;