On Mon, 30 Aug 2021 13:15:20 GMT, Сергей Цыпанов 
<github.com+10835776+stsypa...@openjdk.org> wrote:

> Hi, just curious how have you found out that the code should be extracted 
> into a separate methods? Profiler?

I saw that `String::length` calls appeared more than once with async-profiler, 
then did some experiments to see if manually inlining so that only one call was 
needed helped (and it did).

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PR: https://git.openjdk.java.net/jdk/pull/5291

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