Ignore pathological cases in boolean lint (#825)
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@ -294,6 +294,14 @@ impl<'a, 'tcx> NonminimalBoolVisitor<'a, 'tcx> {
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cx: self.0,
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};
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if let Ok(expr) = h2q.run(e) {
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if h2q.terminals.len() > 8 {
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// QMC has exponentially slow behavior as the number of terminals increases
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// 8 is reasonable, it takes approximately 0.2 seconds.
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// See #825
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return;
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}
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let stats = terminal_stats(&expr);
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let mut simplified = expr.simplify();
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for simple in Bool::Not(Box::new(expr.clone())).simplify() {
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