On Thu, 8 Jan 2026 19:11:03 GMT, Maurizio Cimadamore <[email protected]> 
wrote:

> This PR reverts all changes to subtyping and cast conversion, meaning that 
> assigning `null` to a null-restricted type is no longer an error.
> I've resurrected the lint `null` category, to issue a warning in such cases.
> 
> There's some stuff left to do, as I realized that the compiler swallows null 
> markers when emitting diagnostics. This is due to a conundrum in the 
> diagnostic formatter calling `stripMetadata`, and that resulting in _all_ 
> metadata (not just type annos) to be lost.

Marked as reviewed by vromero (Committer).

lgtm

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

PR Review: 
https://git.openjdk.org/valhalla/pull/1872#pullrequestreview-3641593052
Marked as reviewed by vromero (Committer).

PR Review: 
https://git.openjdk.org/valhalla/pull/1872#pullrequestreview-3641594052

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