From 55cb12e23387239c7314bebb74d185b20ef506bd Mon Sep 17 00:00:00 2001
From: Nikolaj Bjorner <nbjorner@microsoft.com>
Date: Mon, 8 Feb 2021 16:53:30 -0800
Subject: [PATCH] build fix

---
 src/sat/sat_solver/inc_sat_solver.cpp | 2 +-
 src/sat/smt/bv_solver.cpp             | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/sat/sat_solver/inc_sat_solver.cpp b/src/sat/sat_solver/inc_sat_solver.cpp
index 65a096b20..4e17ec4d8 100644
--- a/src/sat/sat_solver/inc_sat_solver.cpp
+++ b/src/sat/sat_solver/inc_sat_solver.cpp
@@ -315,7 +315,7 @@ public:
             m_solver.set_phase(lit);
     }
     void move_to_front(expr* e) override { 
-        bool is_not = m.is_not(e, e);
+        m.is_not(e, e);
         sat::bool_var b = m_map.to_bool_var(e);
         if (b != sat::null_bool_var)
             m_solver.move_to_front(b);
diff --git a/src/sat/smt/bv_solver.cpp b/src/sat/smt/bv_solver.cpp
index 878ecbe66..2905d79d1 100644
--- a/src/sat/smt/bv_solver.cpp
+++ b/src/sat/smt/bv_solver.cpp
@@ -31,7 +31,7 @@ namespace bv {
     public:
         bit_trail(solver& s, var_pos vp) : s(s), vp(vp), lit(s.m_bits[vp.first][vp.second]) {}
 
-        virtual void undo(euf::solver& euf) {
+        void undo() override {
             s.m_bits[vp.first][vp.second] = lit;
         }
     };
@@ -43,7 +43,7 @@ namespace bv {
     public:
         bit_occs_trail(solver& s, atom& a): a(a), m_occs(a.m_occs) {}
         
-        virtual void undo() {
+        void undo() override {
             a.m_occs = m_occs;
         }
     };