RFR: 8263640: hs_err improvement: handle class path longer than O_BUFLEN [v2]

[Ioi Lam]

On Mon, 28 Jun 2021 22:43:39 GMT, Calvin Cheung <ccheung at openjdk.org> wrote:

>> Please review this patch for handling the printing of class path with length longer than O_BUFLEN.
>> The bug is also reproducible using the `jcmd VM.command_line`. The new test uses `jcmd` to verify this change.
>> 
>> Testing: 
>> - [x] tiers 1,2.
>
> Calvin Cheung has updated the pull request incrementally with one additional commit since the last revision:
> 
>   @iklam comment and removed the @requires vm.cds from the test

Changes requested by iklam (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/4616