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ARM requires a 4-byte alignment on all ARM code (though this requirement is relaxed to 2-byte for some THUMB code) and we should be explicit about that here. GAS has its own fix for this[1] that forces proper alignment on any section containing assembled instructions, but this is not universal: Clang's and other gaslike assemblers lack this implicit alignment. Whether or not this is considered a bug in those assemblers, it is better to ask directly for what we want. [1]: https://sourceware.org/bugzilla/show_bug.cgi?id=12931 Signed-off-by: Sam Edwards <CFSworks@gmail.com>