RFR: 8310711: [IR Framework] Remove safepoint while printing handling [v2]

[Tobias Hartmann]

On Fri, 5 Jan 2024 10:58:41 GMT, Christian Hagedorn <chagedorn at openjdk.org> wrote:

>> This clean-up PR removes the handling of the `` message in the IR framework. It is no longer required since we dump the output of `PrintIdeal` to the hotspot_pid file differently since [JDK-8306922](https://bugs.openjdk.org/browse/JDK-8306922). There is no interrupting `` message anymore. I removed the corresponding now unneeded code together with the previously added test case for it.
>> 
>> Testing: tier1-4
>> 
>> Thanks,
>> Christian
>
> Christian Hagedorn has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:
> 
>  - Update copyright year
>  - Merge branch 'master' into JDK-8310711
>  - 8310711: [IR Framework] Remove safepoint while printing handling

Marked as reviewed by thartmann (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/16921#pullrequestreview-1808483045