Wesley Wigham 96937fd592
Allow union signatures to merge when they have differing argument counts (#28604)
* Allow union signatures to merge when they have differing argument counts

* Accept updated baselines

* Adjust comments io changed tests
2018-11-19 17:05:28 -08:00
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2018-10-24 13:51:24 -07:00
2018-10-30 16:33:14 -07:00
2018-11-19 10:54:54 -08:00