remove default destructors

src/smt/mam.cpp

@@ -1995,9 +1995,6 @@ namespace {
             m_args.resize(INIT_ARGS_SIZE);
         }
 
-        ~interpreter() {
-        }
-
         void init(code_tree * t) {
             TRACE("mam_bug", tout << "preparing to match tree:\n" << *t << "\n";);
             m_registers.reserve(t->get_num_regs(), nullptr);

src/smt/qi_queue.cpp

@@ -43,9 +43,6 @@ namespace smt {
         m_vals.resize(15, 0.0f);
     }
 
-    qi_queue::~qi_queue() {
-    }
-
     void qi_queue::setup() {
         TRACE("qi_cost", tout << "qi_cost: " << m_params.m_qi_cost << "\n";);
         if (!m_parser.parse_string(m_params.m_qi_cost.c_str(), m_cost_function)) {

src/smt/qi_queue.h

@@ -80,7 +80,6 @@ namespace smt {
 
     public:
         qi_queue(quantifier_manager & qm, context & ctx, qi_params & params);
-        ~qi_queue();
         void setup();
         /**
            \brief Insert a new quantifier in the queue, f contains the quantifier and bindings.

src/smt/smt_conflict_resolution.cpp

@@ -52,9 +52,6 @@ namespace smt {
     {
     }
 
-    conflict_resolution::~conflict_resolution() {
-    }
-
     /**
        \brief Mark all enodes in a 'proof' tree branch starting at n
        n -> ... -> root

src/smt/smt_conflict_resolution.h

@@ -208,7 +208,7 @@ namespace smt {
                             vector<watch_list> & watches
                             );
 
-        virtual ~conflict_resolution();
+        virtual ~conflict_resolution() = default;
 
         virtual bool resolve(b_justification conflict, literal not_l);
 

src/smt/smt_theory.cpp

@@ -177,9 +177,6 @@ namespace smt {
         m_lazy(true) {
     }
 
-    theory::~theory() {
-    }
-
     smt_params const& theory::get_fparams() const { 
         return ctx.get_fparams();
     }

src/smt/smt_theory.h

@@ -388,7 +388,7 @@ namespace smt {
 
     public:
         theory(context& ctx, family_id fid);
-        virtual ~theory();
+        virtual ~theory() = default;
         
         virtual void setup() {}
 

src/smt/theory_arith.h

@@ -1054,7 +1054,6 @@ namespace smt {
         // -----------------------------------
     public:
         theory_arith(context& ctx);
-        ~theory_arith() override;
         
         theory * mk_fresh(context * new_ctx) override;
 

src/smt/theory_arith_core.h

@@ -1737,10 +1737,6 @@ namespace smt {
         m_bound_watch(null_bool_var) {
     }
 
-    template<typename Ext>
-    theory_arith<Ext>::~theory_arith() {
-    }
-
     template<typename Ext>
     theory* theory_arith<Ext>::mk_fresh(context* new_ctx) {
         return alloc(theory_arith<Ext>, *new_ctx);

src/smt/theory_bv.cpp

@@ -1493,9 +1493,6 @@ namespace smt {
         m_bb.set_flat_and_or(false);
     }
 
-    theory_bv::~theory_bv() {
-    }
-
     theory* theory_bv::mk_fresh(context* new_ctx) {
         return alloc(theory_bv, *new_ctx);
     }

src/smt/theory_bv.h

@@ -268,7 +268,6 @@ namespace smt {
         typedef std::pair<enode*, unsigned> var_enode_pos;
         
         theory_bv(context& ctx);
-        ~theory_bv() override;
         
         theory * mk_fresh(context * new_ctx) override;
 

src/smt/theory_datatype.cpp

@@ -762,8 +762,7 @@ namespace smt {
         m_util(m),
         m_autil(m),
         m_sutil(m),
-        m_find(*this),
-        m_trail_stack() {
+        m_find(*this) {
     }
 
     theory_datatype::~theory_datatype() {