[lworld] RFR: 8372259: [lworld] Merge of 8327963 produces assertion escape.cpp "new projection should have been allocated"

[Tobias Hartmann]

On Fri, 9 Jan 2026 10:00:12 GMT, Quan Anh Mai <qamai at openjdk.org> wrote:

> There are 2 issues here:
> 
> - The markword of an allocation is set incorrectly during GraphKit::set_outputs_for_allocation
> - Compile::adjust_flat_array_access_aliases does not work when there is no MemNode into flat arrays, but we can have allocations, which introduce NarrowMemProjs, and in that case we need to handle it, too.
> 
> This PR solves these issues, most of the changes are identation changes only.
> 
> Please kindly review, thanks a lot.

Looks good to me!

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Marked as reviewed by thartmann (Committer).

PR Review: https://git.openjdk.org/valhalla/pull/1873#pullrequestreview-3654645335