>> Is struct assignment even _supposed_ to work?
> No it isn't, and it doesn't.  The Correct(tm) solution is to use
> memcpy, but gcc on sparch64 optimises this into a copy that doesn't
> cope with alignment issues.

If gcc turns a memcpy call into something inline that doesn't deal with
misalignment, surely that means that optimization is broken, since it
didn't preserve the no-alignment-required semantics of memcpy?

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