Correction so that D! stubs are processed in the correct order

[aryd]

PR description:

Corrects a typo such that stubs in D1 are processed in the correct order.

PR validation:

Check that the tracking results are still OK with this change. (Almost no changes expected and none seen, but order important for agreement with the HLS code.

if this PR is a backport please specify the original PR and why you need to backport that PR:

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