RFR: 8351889: C2 crash: assertion failed: Base pointers must match (addp 344)

[Roland Westrelin]

On Wed, 28 May 2025 08:23:52 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> src/hotspot/share/opto/cfgnode.cpp line 2107:
>> 
>>> 2105:   }
>>> 2106:   return false;
>>> 2107: }
>> 
>> You check for a single level here. Could the same happen over multiple levels?
>
> If an update should come from further up, but has not propagated down?

Right, possibly. I'm not 100% sure. I could check all the `Cast`s along the chain at the `Phi` instead.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/25386#discussion_r2124147201