RFR: JDK-8263684: Avoid wrapping into BufferedWriter twice

[Jonathan Gibbons]

On Tue, 18 May 2021 11:00:19 GMT, Pavel Rappo <prappo at openjdk.org> wrote:

>> Please review a trivial fix to avoid creating an unnecessary `BufferedWriter`.
>> 
>> `noreg-trivial` (or `noreg-cleanup` : take your pick). Either way, no test.
>
> src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/toolkit/util/ElementListWriter.java line 79:
> 
>> 77:         try (Writer fileWriter = file.openWriter();
>> 78:              BufferedWriter out = (fileWriter instanceof BufferedWriter b) ? b
>> 79:                      : new BufferedWriter(file.openWriter())) {
> 
> Don't call `file.openWriter()` second time, reuse `fileWriter` that you already have.

oops. that's what I meant; thanks

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PR: https://git.openjdk.java.net/jdk/pull/4080