[lworld] RFR: 8244092: [lworld] TestC2CCalls segfaults in frame::sender_for_compiled_frame with ZGC

Tobias Hartmann tobias.hartmann at oracle.com
Thu Apr 30 08:01:44 UTC 2020


Thanks Roland!

Best regards,
Tobias

On 30.04.20 09:57, Roland Westrelin wrote:
> 
>> Stack slot containing real_frame_size is trashed by ZCG barrier code in scalarized entry of C1 compiled code. As a
>> result, we crash during stack walking. We should re-set it before jumping to the verified entry. Also refactored the
>> related code and added an assert to catch this.
> 
> Ok.
> 
> Roland.
> 


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