On Sat, Aug 13, 2016 at 07:26:02PM +0200, René Scharfe wrote:

> > I suppose it could assert(sizeof((x)->flexname) == FLEX_ALLOC) or
> > something, but I'm not sure if it is worth worrying about.
> You can't use sizeof with an actual flexible array.  It only works if
> FLEX_ARRAY is defined as 1 (for platforms without native support), and
> perhaps also if it's 0.
> offsetof(struct x, arr) == sizeof(struct x) won't work either because of
> padding.
> I have no idea what you can do with a flexible array that would throw a
> compile error when done with a pointer.

Thanks for the input. I'd say we should not worry about it. The reason
this particular "bug" persisted is because it was in a comment. People
tend to notice code that cannot possibly do anything but segfault before
they even send in patches.

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