[BUG] "Access violation" errors in lsm-tree-test

[jorisdral]

Describe the bug

There are test failures on main because the tests throw errors with the message "Access violation in generated code when writing ...". It seems to be only happening on Windows.

To Reproduce
Follow the steps defined by the haskell.yml Github Actions workflow. It is not clear whether the bugs can reproduced locally, since I (@jorisdral) don't have a Windows machine to try it out on.

Expected behavior
Tests should pass

Output

https://github.com/IntersectMBO/lsm-tree/actions/runs/12958624976/job/36149389798
https://github.com/IntersectMBO/lsm-tree/actions/runs/12958624976/job/36149392812
https://github.com/IntersectMBO/lsm-tree/actions/runs/12958624976/job/36149392812
https://github.com/IntersectMBO/lsm-tree/actions/runs/12958624976/job/36149389798

The following might also be related, but does not produce the same error message:

https://github.com/IntersectMBO/lsm-tree/actions/runs/12951447199/job/36126516458

Desktop (please complete the following information):

• OS: Windows
• OS version: Windows Server 2022

• GHC: 8.10.7, 9.8.2

Additional context
These tests have started showing up after #539 was merged. Maybe there are some out-of-bounds byte array accesses introduced by that PR?

[jorisdral]

https://github.com/IntersectMBO/lsm-tree/actions/runs/12991793637/job/36230168943?pr=532
it also happened on Ubuntu, though it did not print an error message