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fix #2276

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-05-14 19:20:55 +02:00
parent c42d590db3
commit f989e4eb38
3 changed files with 12 additions and 5 deletions
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11
src/ast/rewriter/datatype_rewriter.cpp
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@ -70,17 +70,18 @@ br_status datatype_rewriter::mk_app_core(func_decl * f, unsigned num_args, expr
return BR_FAILED;
app * a = to_app(args[0]);
func_decl * c_decl = a->get_decl();
if (c_decl != m_util.get_accessor_constructor(f)) {
func_decl * acc = m_util.get_update_accessor(f);
if (c_decl != m_util.get_accessor_constructor(acc)) {
result = a;
return BR_DONE;
}
ptr_vector<func_decl> const & acc = *m_util.get_constructor_accessors(c_decl);
SASSERT(acc.size() == a->get_num_args());
unsigned num = acc.size();
ptr_vector<func_decl> const & accs = *m_util.get_constructor_accessors(c_decl);
SASSERT(accs.size() == a->get_num_args());
unsigned num = accs.size();
ptr_buffer<expr> new_args;
for (unsigned i = 0; i < num; ++i) {
if (f == acc[i]) {
if (acc == accs[i]) {
new_args.push_back(args[1]);
}
else {