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Re: Is this a gcc bug?


On Jan 13, 2001, dewar@gnat.com wrote:

> <<undefined behavior: expression modifies `x' multiple times
>>> 

> Of course it is also improper to write

>  x + x++

> and it would seem peculiar to say that this modifies x multiple times!

Ouch!  I thought of that yesterday, but I couldn't think of it today
:-(

I'm now inclined to have:

undefined behavior: incompatible uses of `x' between sequence points

`undefined behavior: ' might be omitted.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
Free Software Evangelist    *Please* write to mailing lists, not to me

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