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Chris Tate
29f21ffeca
The util.format %f branch for boolean and unit arguments discarded the lowered value and lowered the argument node again as a statement, so anything lowering builds for the argument (lifted array helpers, closures) was built twice, one copy dead. It now evaluates the value it already lowered as a statement, and drops it when evaluating it has no observable effect. The same branch now also covers void calls and null | undefined unions, which Node formats as NaN like undefined and null; they were refused.