Remove empty leaf destructors. (#6211)

src/opt/maxcore.cpp

@@ -100,7 +100,6 @@ private:
     struct lns_maxcore : public lns_context {
         maxcore& i;
         lns_maxcore(maxcore& i) :i(i) {}
-        ~lns_maxcore() override {}
         void update_model(model_ref& mdl) override { i.update_assignment(mdl); }
         void relax_cores(vector<expr_ref_vector> const& cores) override { i.relax_cores(cores); }
         rational cost(model& mdl) override { return i.cost(mdl); }

src/opt/maxsmt.h

@@ -85,7 +85,6 @@ namespace opt {
     public:
         maxsmt_solver_base(maxsat_context& c, vector<soft>& soft, unsigned index);
         
-        ~maxsmt_solver_base() override {}
         rational get_lower() const override { return m_lower; }
         rational get_upper() const override { return m_upper; }
         bool get_assignment(unsigned index) const override { return m_soft[index].is_true(); }

src/opt/opt_cmds.cpp

@@ -56,9 +56,6 @@ public:
         m_opt(opt)
     {}
 
-    ~assert_soft_cmd() override {
-    }
-
     void reset(cmd_context & ctx) override {
         m_idx = 0; 
         m_formula = nullptr;

src/opt/opt_pareto.h

@@ -87,7 +87,6 @@ namespace opt {
                    params_ref & p):
             pareto_base(m, cb, s, p) {            
         }
-        ~gia_pareto() override {}
 
         lbool operator()() override;
     };
@@ -101,7 +100,6 @@ namespace opt {
                    params_ref & p):
             pareto_base(m, cb, s, p) {            
         }
-        ~oia_pareto() override {}
 
         lbool operator()() override;
     };

src/opt/sortmax.cpp

@@ -39,8 +39,6 @@ namespace opt {
         sortmax(maxsat_context& c, vector<soft>& s, unsigned index): 
             maxsmt_solver_base(c, s, index), m_sort(*this), m_trail(m), m_fresh(m) {}
 
-        ~sortmax() override {}
-
         lbool operator()() override {
             if (!init()) 
                 return l_undef;

src/opt/wmax.cpp

@@ -49,8 +49,6 @@ namespace opt {
             m_trail(m),
             m_defs(m) {}
 
-        ~wmax() override {}
-
         lbool operator()() override {
             TRACE("opt", tout << "weighted maxsat\n";);
             scoped_ensure_theory wth(*this);