Edgar> David Woodhouse wrote:
>> 
>> What part of 'undefined behaviour' is so difficult for people to understand?
Edgar> The behaviour is undefined by the C standard.  But the mentioned
Edgar> pointer arithmetic is defined in the environment where it has been
Edgar> used.  GCC tries to optimize undefined C-standard behaviour.  And
Edgar> IMHO that's the point.  It may optimize defined behaviour and should
Edgar> not touch things undefined by the standard.
How do you imagine that "not touch" ? like "#if 0 ... #endif" ?
Edgar> PS: Hey, we are talking about C, the de luxe assembler! *g*
Standard is a standard. Broken code is broken code. Sometimes you can
get away with it, sometimes you can't and when you can't you fix the
code.  Or define your own standard and make a compiler implementing
it.
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