hg: jdk/submit: 8216332: Grapheme regex does not work with emoji sequences

[naoto.sato at oracle.com]

Changeset: 7898edac8a27
Author:    naoto
Date:      2020-03-12 08:31 -0700
URL:       https://hg.openjdk.java.net/jdk/submit/rev/7898edac8a27

8216332: Grapheme regex does not work with emoji sequences
Reviewed-by: rriggs

! src/java.base/share/classes/java/util/regex/Grapheme.java
+ test/jdk/java/util/regex/GraphemeTestCases.txt
! test/jdk/java/util/regex/RegExTest.java