On Mon, 23 Aug 2021 06:35:34 GMT, Сергей Цыпанов
<[email protected]> wrote:
>> src/java.desktop/share/classes/com/sun/imageio/plugins/tiff/TIFFIFD.java
>> line 64:
>>
>>> 62: Set<Integer> tags = essentialTags;
>>> 63: if (tags == null) {
>>> 64: essentialTags = Set.of(
>>
>> What is the purpose of the local tags here?
>
> Looks like there's no purpose, `tags` is not used after assignment
Maybe it's kind of a protection from a race. Yet it's possible either way:
another thread could see `essentialTags == null` before this one initialises
the field.
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PR: https://git.openjdk.java.net/jdk/pull/5197
