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fix #4260

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-05-09 18:13:12 -07:00
parent fdc87f286f
commit f044071f5e
2 changed files with 20 additions and 9 deletions
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2
src/ast/rewriter/recfun_rewriter.cpp
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@ -21,7 +21,7 @@ Author:
#include "ast/rewriter/var_subst.h"
br_status recfun_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr * const * args, expr_ref & result) {
if (m_rec.is_defined(f)) {
if (m_rec.is_defined(f) && num_args > 0) {
for (unsigned i = 0; i < num_args; ++i) {
if (!m.is_value(args[i]))
return BR_FAILED;