src/fflib/problem.cpp:897: error: DEAD_STORE The value written to &K (type Fem2D::Tet const &) is never used. Showing all 1 steps of the trace src/fflib/problem.cpp:897:17: Write of unused value 895. { 896. 897. const Mesh3::Element & K(Th[t]); ^ 898. if ( all || setoflab.find(Th[t].lab) != setoflab.end()) 899.