[jdk17] RFR: 8268717: Upstream: 8268673: Stack walk across optimized entry frame on fresh native thread fails [v3]

[Jorn Vernee]

On Thu, 17 Jun 2021 12:50:10 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> Upstream a critical fix from the panama-foreign repo.
>> 
>> See the prior review thread here: https://github.com/openjdk/panama-foreign/pull/558
>> 
>> Testing: tier 1-2, local run of run-test-jdk_foreign.
>
> Jorn Vernee has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Remove whitespace
>  - Simplify comment

src/hotspot/share/runtime/frame.inline.hpp line 54:

> 52: inline bool frame::is_first_frame() const {
> 53:   return (is_entry_frame() && entry_frame_is_first())
> 54:       // Optimized entry frames are only present on certain platforms 

Suggestion:

      // Optimized entry frames are only present on certain platforms

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PR: https://git.openjdk.java.net/jdk17/pull/76