RFR: 8266819: Separate the stop policies from the compile policies completely

[Maurizio Cimadamore]

On Tue, 11 May 2021 00:43:05 GMT, Guoxiong Li <gli at openjdk.org> wrote:

> Hi all,
> 
> This patch removes the compile policies `ATTR_ONLY` and `CHECK_ONLY` so that the compile policies can be separated from the stop policies. And some corresponding tests need to be adjusted, too.
> 
> Please see [JDK-8266819](https://bugs.openjdk.java.net/browse/JDK-8266819) and the [original discussion](https://mail.openjdk.java.net/pipermail/compiler-dev/2021-May/016759.html) for more information.
> 
> Thank you for taking the time to review.
> 
> Best Regards,
> -- Guoxiong

Changes look good

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Marked as reviewed by mcimadamore (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/3961