Initialize a member variable.

diff --git a/source/fe/fe_values.cc b/source/fe/fe_values.cc
index 67b3513edd486e5bc204539e806d06385e4d2f7d..ace4f054164c9f1595baca4e400844f8c2a8fd0c 100644 (file)
--- a/source/fe/fe_values.cc
+++ b/source/fe/fe_values.cc
@@ -3830,6 +3830,7 @@ FEFaceValuesBase<dim,spacedim>::FEFaceValuesBase (const unsigned int n_q_points,
                               update_default,
                               mapping,
                               fe),
+  present_face_index (numbers::invalid_unsigned_int),
   quadrature(quadrature)
 {}