On Fri, 20 Jun 2025 18:55:30 GMT, Alexey Ivanov <aiva...@openjdk.org> wrote:

> I mean that there's a _happens before_ relation each time the synchronized 
> block is reach whereas with volatile, the _happens before_ relation is 
> guaranteed only when the value of the variable changes.

I do not think that this is true "guaranteed only when the value of the 
variable changes".
>A write to a volatile field 
>([ยง8.3.1.4](https://docs.oracle.com/javase/specs/jls/se14/html/jls-8.html#jls-8.3.1.4))
> happens-before every subsequent read of that field.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25818#discussion_r2159607617

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