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fix #4155

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This commit is contained in:
Nikolaj Bjorner 2020-04-28 13:51:25 -07:00
parent 815feddd1a
commit fa1197a78f
2 changed files with 7 additions and 1 deletions
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6
src/ast/recfun_decl_plugin.h
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@ -236,8 +236,12 @@ namespace recfun {
//<! add a function declaration
def * decl_fun(symbol const & s, unsigned n_args, sort *const * args, sort * range, bool is_generated);
bool has_def(func_decl* f) const {
return m_plugin->has_def(f);
}
def& get_def(func_decl* f) {
SASSERT(m_plugin->has_def(f));
SASSERT(has_def(f));
return m_plugin->get_def(f);
}

2
src/ast/rewriter/recfun_rewriter.cpp
View file

@ -26,6 +26,8 @@ br_status recfun_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr *
if (!m.is_value(args[i]))
return BR_FAILED;
}
if (!m_rec.has_def(f))
return BR_FAILED;
recfun::def const& d = m_rec.get_def(f);
if (!d.get_rhs())
return BR_FAILED;