hg: jdk/sandbox: 8248655: Support supplementary characters in String case insensitive operations; ...

[chris.hegarty at oracle.com]

Changeset: 2d8c578f1230
Author:    naoto
Date:      2020-07-23 08:46 -0700
URL:       https://hg.openjdk.java.net/jdk/sandbox/rev/2d8c578f1230

8248655: Support supplementary characters in String case insensitive operations
8248434: some newly added locale cannot parse uppercased date string.
Reviewed-by: jlaskey, joehw, rriggs, bchristi

! src/java.base/share/classes/java/lang/String.java
! src/java.base/share/classes/java/lang/StringUTF16.java
! test/jdk/java/lang/String/CompactString/CompareToIgnoreCase.java
! test/jdk/java/lang/String/CompactString/EqualsIgnoreCase.java
! test/jdk/java/lang/String/CompactString/RegionMatches.java
+ test/jdk/java/text/Format/DateFormat/CaseInsensitiveParseTest.java
+ test/micro/org/openjdk/bench/java/lang/StringCompareToIgnoreCase.java