Integrated: 8302158: PPC: test/jdk/jdk/internal/vm/Continuation/Fuzz.java: AssertionError: res: false shouldPin: false

[Richard Reingruber]

On Tue, 14 Feb 2023 14:10:08 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

> This fixes the linked issue by trimming the caller of a frame to be deoptimized back to its `unextended_sp` iff it is compiled. The creation of the section `dead after deoptimization` shown in the attachment [yield_after_deopt_failure.log](https://bugs.openjdk.org/secure/attachment/102602/yield_after_deopt_failure.log) is prevented by this.
> 
> A new mode is added to the test BasicExt.java where all frames are deoptimized after a yield operation. The issue can be deterministically reproduced with the new mode. It's not worth to execute all test cases with the new mode though. Instead `ContinuationCompiledFramesWithStackArgs_3c4` is always executed a 2nd time in this mode.
> 
> Before this BasicExt.java was refactored for better argument processing and representation of the test modes.
> Also the try-catch-clause in the main method had to be changed to rethrow the caught exception because without this the test would have succeeded.
> 
> Testing: jtreg tests tier 1-4 on standard platforms and also on ppc64le.

This pull request has now been integrated.

Changeset: b8c9d6cd
Author:    Richard Reingruber <rrich at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/b8c9d6cdf60ea5e680eb00d5c01a1c4d2ed04006
Stats:     207 lines in 3 files changed: 152 ins; 13 del; 42 mod

8302158: PPC: test/jdk/jdk/internal/vm/Continuation/Fuzz.java: AssertionError: res: false shouldPin: false

Reviewed-by: goetz, mdoerr

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PR: https://git.openjdk.org/jdk/pull/12557