[ub] [c++std-core-23844] Re: unions and undefined behavior

Howard Hinnant howard.hinnant at gmail.com
Thu Jul 25 01:24:48 CEST 2013


On Jul 24, 2013, at 6:32 PM, Gabriel Dos Reis <gdr at cs.tamu.edu> wrote:

> Howard Hinnant <howard.hinnant at gmail.com> writes:
> 
> [...]
> 
> | > Does that make sense?
> | 
> | Absolutely makes sense.  And if we had a clean slate to work with,
> | that's exactly what I would recommend.
> 
> At the risk of beating a dead horse, back in 1997, Valentin Bonnard
> reported this issue.  It was quickly classified as a NAD -- for reasons
> that puzzled us on the AFNOR group at the time.  But yes, we had a
> cleaner slate then than we do now.

That must've been just before we started the current form of the LWG issues list.  Shame, I would've liked to have read the issue.  I checked here:

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/1997/N1148.pdf

but didn't see it.

I like to follow the history & evolution of our decisions, and sometimes I learn things from it.

Howard



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