mesa-17.1.8/src/mesa/state_tracker/st_cb_readpixels.c:178]: (warning) Redundant assignment of 'templ.u.tex.last_layer' to itself.

Source code is

      if (view_target != PIPE_TEXTURE_3D) {
         templ.u.tex.first_layer = surface->u.tex.first_layer;
         templ.u.tex.last_layer = templ.u.tex.last_layer;
      } else {
         addr.constants.layer_offset = surface->u.tex.first_layer;
      }