1 files changed, 2 insertions, 0 deletions
diff --git a/src/MatrixXpr.h b/src/MatrixXpr.h
index a42f84af6..fe890d16c 100644
--- a/src/MatrixXpr.h
+++ b/src/MatrixXpr.h
@@ -70,6 +70,8 @@ template<typename Content> class MatrixXpr
       return *this;
     }
     
+    //special case of the above template operator=. Strangely, g++ 4.1 failed to use
+    //that template when OtherContent == Content
     MatrixXpr& operator=(const MatrixXpr& other)
     {
       assert(rows() == other.rows() && cols() == other.cols());