From 343603f64341676d059411af62c4145c48f8268f Mon Sep 17 00:00:00 2001
From: Nikolaj Bjorner <nbjorner@microsoft.com>
Date: Sat, 12 Nov 2022 18:34:04 -0800
Subject: [PATCH] fix build

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
---
 src/ast/converters/expr_inverter.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ast/converters/expr_inverter.cpp b/src/ast/converters/expr_inverter.cpp
index 504c04ab0..0c433b10d 100644
--- a/src/ast/converters/expr_inverter.cpp
+++ b/src/ast/converters/expr_inverter.cpp
@@ -270,7 +270,7 @@ class bv_expr_inverter : public iexpr_inverter {
 
     bool process_bv_mul(func_decl* f, unsigned num, expr* const* args, expr_ref& r) {
         if (num == 0)
-            return nullptr;
+            return false;
         if (uncnstr(num, args)) {
             sort* s = args[0]->get_sort();
             mk_fresh_uncnstr_var_for(f, r);