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Add Windows on ARM support #216

@StefanStojanovic

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@StefanStojanovic

I've cloned this repo, built it, and tried running tests on a Windows 11 ARM64 machine. All tests failed with the STATUS_INVALID_IMAGE_FORMAT (0xC000007B) exit code. It would be good if Windows on ARM was supported in this project.

Why and how I caught a lack of support for Windows on ARM

Recently, there's been an effort to replace icu with simdutf in Node.js. Another effort, which I'm a part of, is working on adding Windows on ARM to the list of officially supported platforms (adding it to CI, etc.). We've noticed that recently there was a huge increase in failing tests in Node.js daily test runs on ARM64. One of those runs can be viewed here. After bisecting changes, I found out that this was caused by nodejs/node#46471, and also nodejs/node#46548 (I've seen a few more commits with similar changes, but they do not seem to break ARM64 tests).

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