[lworld] RFR: 8367242: [lworld] C2 compilation asserts with "dead loop detected" [v2]

[Marc Chevalier]

On Wed, 1 Oct 2025 05:46:50 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:

>> Marc Chevalier has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Set phis input to top initially, not merge with top.
>
> src/hotspot/share/opto/inlinetypenode.cpp line 57:
> 
>> 55:   PhiNode* oop;
>> 56:   if (phi_input_are_top) {
>> 57:     oop = PhiNode::make(region, top, t);
> 
> For readability, I would prefer:
> 
> `oop = PhiNode::make(region, phi_input_are_top ? top : vt->get_oop(), t)`

I guess that's a matter of taste... Done.

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PR Review Comment: https://git.openjdk.org/valhalla/pull/1640#discussion_r2393984851