[foreign-abi] RFR: 8251047: GC stackwalking doesn't work when intrinsics are enabled (followup) [v3]

[Vladimir Ivanov]

On Tue, 1 Sep 2020 13:10:34 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> Hi,
>> 
>> This PR is a followup on the earlier https://github.com/openjdk/panama-foreign/pull/279 PR. It adds a jtreg test that
>> stresses the problematic stack walking fixed in the previous PR, and in particular the use-case that was failing.
>> This relies on a new WhiteBox API to manually (and reliably) trigger stack frame walking and verification.
>> 
>> Thanks,
>> Jorn
>
> Jorn Vernee has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Remove trailing whitespace

I suggest making tracing output in WB_VerifyFrames optional.

Otherwise, looks good.

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Marked as reviewed by vlivanov (Committer).

PR: https://git.openjdk.java.net/panama-foreign/pull/294