Integrated: 8287901: Loom: Failures with -XX:+VerifyStack

[Ron Pressler]

On Tue, 7 Jun 2022 15:56:47 GMT, Ron Pressler <rpressler at openjdk.org> wrote:

> Please review the following change.
> 
> Debugging information added to `frame::describe` (used by `JavaThread::print_frame_layout`) was inaccurate, but proved fatal with `VerifyStack`, which uses the same information for verification.
> 
> The location of a caller frame's return address and spilled fp, which are located in the callee, were recorded by the caller frame. In the case of the special frame `Continuation.enterSpecial`, those locations were recorded incorrectly. The fix is to record the information while describing the callee frame, rather than the caller.
> 
> Passes tier1

This pull request has now been integrated.

Changeset: b6233985
Author:    Ron Pressler <rpressler at openjdk.org>
Committer: Patricio Chilano Mateo <pchilanomate at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/b62339855571b234979e2cf250c9251d1d063a06
Stats:     41 lines in 3 files changed: 27 ins; 0 del; 14 mod

8287901: Loom: Failures with -XX:+VerifyStack

Reviewed-by: pchilanomate, coleenp

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PR: https://git.openjdk.java.net/jdk/pull/9066