RFR: 8293287 add ReplayReduce flag

[Dean Long]

On Fri, 2 Sep 2022 01:20:26 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.

One test is failing -- moving back to DRAFT.

-------------

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