1 files changed, 37 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr49628.C b/gcc/testsuite/g++.dg/torture/pr49628.C
new file mode 100644
index 000000000..4bc6543a3
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/pr49628.C
@@ -0,0 +1,37 @@
+/* { dg-do compile } */
+
+#include <vector>
+
+template <int rank, int dim> class Tensor;
+template <int dim> class Tensor<1,dim> {
+public:
+    explicit Tensor (const bool initialize = true);
+    Tensor (const Tensor<1,dim> &);
+    Tensor<1,dim> & operator = (const Tensor<1,dim> &);
+    double values[(dim!=0) ? (dim) : 1];
+};
+template <int dim>
+inline Tensor<1,dim> & Tensor<1,dim>::operator = (const Tensor<1,dim> &p)
+{
+  for (unsigned int i=0; i<dim; ++i)
+    values[i] = p.values[i];
+};
+template <int dim> class Quadrature {
+public:
+    const unsigned int n_quadrature_points;
+};
+class MappingQ1
+{
+  class InternalData  {
+  public:
+      std::vector<Tensor<1,3> > shape_derivatives;
+      unsigned int n_shape_functions;
+  };
+  void compute_data (const Quadrature<3> &quadrature, InternalData &data)
+      const;
+};
+void MappingQ1::compute_data (const Quadrature<3> &q, InternalData &data) const
+{
+  const unsigned int n_q_points = q.n_quadrature_points;
+  data.shape_derivatives.resize(data.n_shape_functions * n_q_points);
+}