Document unsafety of wasm simd intrinsics #1184
Merged
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Since most intrinsics are safe it likely makes sense to explicitly
document why there are a few intrinsics that are not safe. These
intrinsics are all unsafe for the same reason, which is that they're
dealing with a raw pointer that must be valid to load/store memory to.
Note that the are no alignment requirements on any of these intrinsics.