RFR: 8274986: max code printed in hs-err logs should be configurable

[Doug Simon]

On Mon, 11 Oct 2021 09:06:25 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> I chose develop to be consistent with `StackPrintLimit`.
>> What's the process for adding a diagnostic flag @dholmes-ora ? Should we change both `StackPrintLimit` and `ErrorLogPrintCodeLimit` to be diagnostic? I agree with Tom that having these as develop flags is of limited use.
>
> I have no idea what the history of `StackPrintLimit` is but there doesn't seem to be any call to have it be a non-develop flag. I'm assuming 100 is plenty and noone ever needs to change it.
> 
> For the new flag, develop is pretty useless if the issue is that the default value may not show enough information. Making it diagnostic seems reasonable. If people hit an issue and the default value doesn't show enough information again then they can change the value and hopefully diagnose the problem further.
> 
> David

Ok, let's just make `ErrorLogPrintCodeLimit` be diagnostic. Is there more process for this apart from simply making the change in this PR?

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PR: https://git.openjdk.java.net/jdk/pull/5875