Integrated: 8256499: Zero: enable Epsilon GC

[Aleksey Shipilev]

On Tue, 17 Nov 2020 19:11:45 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Following the [JDK-8255796](https://bugs.openjdk.java.net/browse/JDK-8255796) improvement that ditched the inline contiguous alloc use from Zero, we can now rely on GC interface to hook the GCs properly. Epsilon GC does not require anything else. Other GCs require a bit of fiddling and more testing (see e.g. [JDK-8256497](https://bugs.openjdk.java.net/browse/JDK-8256497)).
> 
> Additional testing:
>  - [x] Linux x86_64 Zero {fastdebug,release}, `gc/epsilon` tests

This pull request has now been integrated.

Changeset: cb2676c8
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/cb2676c8
Stats:     1 line in 1 file changed: 0 ins; 0 del; 1 mod

8256499: Zero: enable Epsilon GC

Reviewed-by: rkennke, ihse

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PR: https://git.openjdk.java.net/jdk/pull/1269