RFR: 8261239: Upstream 8258238: Some jextract samples crash with: "updating map that does not need updating"

[Jorn Vernee]

On Fri, 5 Feb 2021 15:28:58 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

> Hi,
> 
> This patch upstreams a fix and the accompanying test from the panama-foreign repo, that fixes an assertion when walking the stack with a register map that does not need updating.
> 
> While updating the map any ways seems benign, the fix avoids running into the assertion in certain test configurations when running foreign-linker tests.
> 
> Testing: Tier 1-2
> 
> Thanks,
> Jorn

Closing this as it's superseded by: https://github.com/openjdk/jdk/pull/2528

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PR: https://git.openjdk.java.net/jdk/pull/2430