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-rw-r--r--unsupported/Eigen/CXX11/src/Tensor/TensorForcedEval.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorForcedEval.h b/unsupported/Eigen/CXX11/src/Tensor/TensorForcedEval.h
index 701eb7128..f490bedd8 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorForcedEval.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorForcedEval.h
@@ -126,6 +126,12 @@ struct TensorEvaluator<const TensorForcedEvalOp<ArgType_>, Device>
EIGEN_STRONG_INLINE bool evalSubExprsIfNeeded(EvaluatorPointerType) {
const Index numValues = internal::array_prod(m_impl.dimensions());
m_buffer = m_device.get((CoeffReturnType*)m_device.allocate_temp(numValues * sizeof(CoeffReturnType)));
+
+ // Initialize non-trivially constructible types.
+ if (!internal::is_arithmetic<CoeffReturnType>::value) {
+ for (Index i = 0; i < numValues; ++i) new (m_buffer + i) CoeffReturnType();
+ }
+
typedef TensorEvalToOp< const typename internal::remove_const<ArgType>::type > EvalTo;
EvalTo evalToTmp(m_device.get(m_buffer), m_op);