RFR 8234147 : Avoid looking up standard charsets in core libraries

[Ulf Zibis]

Hi Ivan,

you may compare your proposal with:
https://bugs.java.com/bugdatabase/view_bug.do?bug_id=6790402
https://bugs.java.com/bugdatabase/view_bug.do?bug_id=6850361
https://bugs.java.com/bugdatabase/view_bug.do?bug_id=6796087

-Ulf

Am 27.11.19 um 05:39 schrieb Ivan Gerasimov:
> Hello!
>
> It is a cleanup fix with mostly two kinds of changes:
> - when a standard charset is specified by its name, use a 
> preinitialized Charset constant instead,
> - replace the usage of StandardCharset.* constants with their 
> sun.nio.cs.* equivalents to avoid accidental early initialization of 
> rarely-used charsets.
>
> BUGURL: https://bugs.openjdk.java.net/browse/JDK-8234147
> WEBREV: http://cr.openjdk.java.net/~igerasim/8234147/00/webrev/
>
> I also had to modify one regression test that relied on a private 
> auxiliary method, which was removed with the fix.
>
> Mach5 control build looks green.
>
> Would you please help review the fix?
>