RFR: 8293287 add ReplayReduce flag [v4]

[Dean Long]

On Fri, 9 Sep 2022 01:33:02 GMT, Dean Long <dlong at openjdk.org> wrote:

>> Add an experimental flag to help developers "reduce" a replay file.
>> 
>> As a first step, I plan to simulate reduced inlining. This will output multiple "compile" lines as if the first level of inlining never happened:
>> A --> B --> C
>> A --> D --> E
>> becomes
>> B --> C
>> D --> E
>> Developers can repeat iteratively until the replay crash no longer reproduces.
>
> Dean Long has updated the pull request incrementally with one additional commit since the last revision:
> 
>   fix typo
>   
>   Co-authored-by: Tobias Hartmann <tobias.hartmann at oracle.com>

Thanks Tobias and Vladimir.

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PR: https://git.openjdk.org/jdk/pull/10134