[PATCH] libelf: Use offsetof to get field of unaligned

[Florian Weimer]

* Mark Wielaard:

> This seems a wrong warning since we aren't accessing the field member
> of the struct, but are taking the address of it. But we can do the
> same by adding the field offsetof to the base address. Which doesn't
> trigger a runtime error.

I think the warning is correct.  I believe it is motivated by the GCC
optimizers using this to infer alignment of the original pointer.  It
won't make a difference for this expression, but it can cause crashes
elsewhere with strict-alignment targets.

Thanks,
Florian