Strides fix in broadcast

[codecov[bot]]

Codecov Report

Patch coverage: 81.25% and project coverage change: -2.16 :warning:

Comparison is base (befd727) 85.84% compared to head (7ae6653) 83.68%.

:exclamation: Current head 7ae6653 differs from pull request most recent head d21444a. Consider uploading reports for the commit d21444a to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #504 +/- ## ========================================== - Coverage 85.84% 83.68% -2.16% ========================================== Files 39 39 Lines 9571 9574 +3 ========================================== - Hits 8216 8012 -204 - Misses 1355 1562 +207 ``` | [Impacted Files](https://app.codecov.io/gh/JuliaSIMD/LoopVectorization.jl/pull/504?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaSIMD) | Coverage Δ | | |---|---|---| | [src/broadcast.jl](https://app.codecov.io/gh/JuliaSIMD/LoopVectorization.jl/pull/504?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaSIMD#diff-c3JjL2Jyb2FkY2FzdC5qbA==) | `40.18% <81.25%> (-48.24%)` | :arrow_down: | ... and [9 files with indirect coverage changes](https://app.codecov.io/gh/JuliaSIMD/LoopVectorization.jl/pull/504/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=JuliaSIMD)

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