Fix for tentative primops changes going into 9.2

[Ericson2314]

These changes can be reproduced by using unreleased Alex post haskell/alex#166

@phadej I assume you'll not want to merge this yet, but I am making this just to do my due diligence of making sure every submodule bump has an associated PR.

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Please include the following checklist in your PR:

• Patches conform to the coding conventions.
• Any changes that could be relevant to users have been recorded in the changelog (add file to changelog.d directory).
• The documentation has been updated, if necessary.

Please also shortly describe how you tested your change. Bonus points for added tests!

[phadej]

I cannot merge this before there is alex release which generates this kind of code.

[Ericson2314]

Was done in #7205