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Re: Undefined behavior in genautomata.c?


"Giovanni Bajo" <rasky@develer.com> writes:

| Gabriel Dos Reis <gdr@integrable-solutions.net> wrote:
| 
| >>>   Do you suppose the idiom is common enough that VRP could special-case
| >>> "arrays of size 1 at the end of a struct" ?  And still obtain the
| benefits
| >>> of the optimisation in 99.99% of all non-variable-length-tail-array
| cases?
| >>
| >> It makes sense to me. We could special case "arrays of size 1 at the end
| of
| >> the struct", and treat it as C99 flexible array members. Any other case
| >> could simply be considered broken.
| >
| > broken with respect to what?
| 
| 
| broken as in undefined behaviour? 

Could you explain in detail where you see the undefined behaviour?

-- Gaby


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