On Wed, 4 Feb 2026 14:41:09 GMT, Frederic Parain <[email protected]> wrote:

> First batch of changes to remove potentially dangerous calls to 
> objArrayOopDesc::obj_at().

Just to be clear, this PR is just a sub-set of all usages of obj_at and 
obj_at_put that needs to be fixed?

While looking through the patch I saw two things that I'd want to see if we can 
clean up:

1) You always pass down `ArrayKlass::ArrayProperties::DEFAULT` to 
`new_refArray`, so that can be confined to that function:

https://github.com/stefank/valhalla/commit/6770b92d77cd3e9a5e04e9abc2e33eb3f4005206

2) You've introduced a `force_refarray` parameter and passes in `false` in a 
lot of places without being explicit about what the argument signifies. This 
makes the call-sites harder to read, so I first wanted to suggest that you 
change this to `false /* force_refarray */`. However, then I figured that it 
really would be nice if we could completely get rid of that parameter instead. 
This is what I came up with:

https://github.com/stefank/valhalla/commit/68a5601904b27c59e3e62d4b1971b6a80c3b888b

Could you take a look and see if that makes sense?

The branch for this is here:
https://github.com/stefank/valhalla/tree/refarray_factory_stefank

and diff against lworld:
https://github.com/openjdk/valhalla/compare/lworld...stefank:valhalla:refarray_factory_stefank

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PR Comment: https://git.openjdk.org/valhalla/pull/2033#issuecomment-3860139337

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