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CEisenhofer 2026-03-19 15:44:15 +01:00
parent 4271bdad55
commit 9f4e823c8b
3 changed files with 81 additions and 23 deletions
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12
src/ast/euf/euf_sgraph.cpp
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@ -617,6 +617,14 @@ namespace euf {
return;
if (m_seq.re.is_empty(e))
return;
// Expected compound regex operators are handled by recursion below.
// If a leaf survives to this point, it is an unhandled regex form.
if (re->num_args() == 0) {
UNREACHABLE();
return;
}
// recurse into compound regex operators
for (unsigned i = 0; i < re->num_args(); ++i) {
collect_re_predicates(re->arg(i), preds);
@ -669,8 +677,10 @@ namespace euf {
}
else if (m_seq.re.is_full_char(p))
p_set = char_set::full(max_c);
else
else {
UNREACHABLE();
continue;
}
if (p_set.is_empty() || p_set.is_full(max_c))
continue;