[lworld] RFR: [lworld] jcmd VM.class_print_layout crash due to NULL cld name

[Yi Yang]

On Mon, 1 Mar 2021 11:42:07 GMT, Yi Yang <github.com+5010047+kelthuzadx at openjdk.org> wrote:

> Hi, can I have a review of this one-line fix?
> 
> jcmd VM.class_print_layout crashes when printing classes which loaded by bootstrap loader since these classes has NULL class_loder_data()->name().
> 
> But actually, I wonder to know why we don't print the layout by modifications of existing functions in FieldLayoutBuilder::build_layout directly? It seems FieldLayoutBuilder can gather more complete layout information.
> 
> Thanks,
> Yang

Since I don't have a JBS account, I can not file an issue on that, can anyone help to create an issue, much appreciated.:-) 

Thanks,
Yang

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PR: https://git.openjdk.java.net/valhalla/pull/354