[PATCH] bakcporting of some trivial enhancements done for later JDKs

[Severin Gehwolf]

Hi Sergey,

On Mon, 2020-04-27 at 08:37 +0200, Сергей Цыпанов wrote:
> Hello,
> 
> during recent years I've contributed some very simple patches into
> JDK which I guess can be back-ported into JDK8u

Perhaps. We are somewhat wary about performance enhancements. Is there
a really good justification to get them into a maintenance release?
They're not without risk.

> https://bugs.openjdk.java.net/browse/JDK-8196207 Inefficient ArrayList.subList().toArray()
> https://bugs.openjdk.java.net/browse/JDK-8199800 Optimize Boolean.parseBoolean(String)

I see these two are in 11.

> https://bugs.openjdk.java.net/browse/JDK-8240094 Optimize empty substring handling
> https://bugs.openjdk.java.net/browse/JDK-8241649 Optimize Character.toString
> 
> Could this changes be encorporated into JDK8u? If yes then I will prepare separate patches for each ticket.

Have these been proposed for JDK 11u updates? If not, we should start
with that.

Thanks,
Severin