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fix #4317
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2 changed files with 4 additions and 5 deletions
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@ -210,7 +210,7 @@ func_decl * func_decls::find(unsigned arity, sort * const * domain, sort * range
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if (f->get_domain(i) != domain[i])
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break;
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}
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if (i == arity)
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if (i == arity || !domain)
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return f;
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}
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return nullptr;
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