simplify a using statement
diff --git a/Eigen/src/Core/TriangularMatrix.h b/Eigen/src/Core/TriangularMatrix.h
index 47c11ce..d4799fb 100644
--- a/Eigen/src/Core/TriangularMatrix.h
+++ b/Eigen/src/Core/TriangularMatrix.h
@@ -156,7 +156,7 @@
     typedef typename MatrixType::PlainObject DenseMatrixType;
     typedef typename MatrixType::Nested MatrixTypeNested;
     typedef typename ei_cleantype<MatrixTypeNested>::type _MatrixTypeNested;
-    using TriangularBase<TriangularView<_MatrixType, _Mode> >::evalToLazy;
+    using Base::evalToLazy;
 
     typedef typename ei_traits<TriangularView>::StorageKind StorageKind;
     typedef typename ei_index<StorageKind>::type Index;