git: openjdk/jdk: 8276694: Pattern trailing unescaped backslash causes internal error

[Ian Graves]

Changeset: 3aaa0982
Author:    Masanori Yano <myano at openjdk.org>
Committer: Ian Graves <igraves at openjdk.org>
Date:      2022-01-11 22:37:15 +0000
URL:       https://git.openjdk.java.net/jdk/commit/3aaa0982d8c1735208a331b0097a5aea4a1fef5a

8276694: Pattern trailing unescaped backslash causes internal error

Reviewed-by: jlaskey

! src/java.base/share/classes/java/util/regex/Pattern.java
! test/jdk/java/util/regex/RegExTest.java