[jdk11u-dev] RFR: 8282306: os::is_first_C_frame(frame*) crashes on invalid link access

[Goetz Lindenmaier]

On Tue, 27 Sep 2022 12:39:27 GMT, Johannes Bechberger <duke at openjdk.org> wrote:

> Hardening os::is_first_C_frame(frame*) against accesses on invalid links.
> 
> Applies relatively clean (only a comment changed which hindered it from applying directly).
> 
> Tested via nightly SAP builds and on my own linux machine.

A Pre-submit test did not pass. 
You already labeled the issue. I'll remove the label. You can add it again if this is resolved. 
Thanks :)

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PR: https://git.openjdk.org/jdk11u-dev/pull/1373