Finalizer being run while class still in use (escape analysis bug)

[Andrew Haley]

On 10/10/2018 11:56 AM, Luke Hutchison wrote:
> For examle, I just tested this, and it seems to prevent the finalizer from
> being run early (I create a local static instance FENCE of type Fence to
> try to avoid Hotspot optimizing away the empty method
> Fence::reachabilityFence) -- but is there a reason this could fail with
> future Hotspot optimizations?:

Absolutely, yes. I'm surprised it works.

A volatile store will probably work, but even that isn't guaranteed
unless someone reads the result of the store.

-- 
Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
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