Vivek Theeyarath 702ac597ad 8184693: add Pattern.isEmpty
Added method Pattern.isEmpty

Reviewed-by: forax, chegar, smarks, psandoz, rriggs
2018-04-18 10:30:57 -07:00
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2018-04-18 10:30:57 -07:00
2018-04-18 10:30:57 -07:00
2018-04-18 10:30:57 -07:00
2018-04-18 10:30:57 -07:00