> While I was willing to discount the zero sized array as an
> insufficiently specified oddity, this seems to be much more serious
> and potentially common.  It seems we really need to be able to detect
> these out-of-bounds situations and tell lower levels of expander that
> "whatever mode you think you are expanding, it is actually BLK mode."

Please let's not enter this hazardous business.  We just need to draw a line 
somewhere and clearly state what we support in terms of out-of-bounds access.

-- 
Eric Botcazou

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