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-rw-r--r--Eigen/src/Core/ProductEvaluators.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/Eigen/src/Core/ProductEvaluators.h b/Eigen/src/Core/ProductEvaluators.h
index bd63b87ff..2cdcf1c02 100644
--- a/Eigen/src/Core/ProductEvaluators.h
+++ b/Eigen/src/Core/ProductEvaluators.h
@@ -1007,7 +1007,7 @@ struct transposition_matrix_product
StorageIndex j = 0;
const typename Dest::Scalar *dst_data = internal::extract_data(dst);
- if(!(is_same<MatrixTypeCleaned,Dest>::value && dst_data == extract_data(mat)))
+ if(!(is_same<MatrixTypeCleaned,Dest>::value && dst_data!=0 && dst_data == extract_data(mat)))
dst = mat;
for(Index k=(Transposed?size-1:0) ; Transposed?k>=0:k<size ; Transposed?--k:++k)