[Issue 22372] Loop index incorrectly optimised out for -release -O

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=22372

--- Comment #4 from Teodor Dutu <teodor.dutu at gmail.com> ---
(In reply to Imperatorn from comment #3)
> If you make size_t i static the behaviour is correct

Yes, this would fix the issue, but it would be a hack rather than a solution.
The bug would still persist in DMD's backend.

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