hg: jdk/sandbox: 8214245: Case insensitive matching doesn't work correctly for some character classes

[chris.hegarty at oracle.com]

Changeset: 5df90c29762d
Author:    igerasim
Date:      2020-03-18 01:04 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/5df90c29762d

8214245: Case insensitive matching doesn't work correctly for some character classes
Reviewed-by: rriggs, darcy

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