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RE: [avr-gcc-list] OT Generic C question

From: Ron
Subject: RE: [avr-gcc-list] OT Generic C question
Date: Tue, 20 Sep 2005 23:01:47 +1000

> I was helping a friend debug some code, he is new to C,  
> using the Keil version of GCC for ARM. Anyway I found the following:
> int i;
> i=0;
> i=i++;
> //i was still zero that 
> That is i=i++ never incremented i, now I would have thought 
> the line would be the same as:
> i=i;
> i=i+1; 
> So you guys are the smartest people I know when it comes to C 
> so I thought I would ask you guys if this is a compiler bug 
> or is my understanding of C just been shaken. 
> Regards,
> Trampas 

Not exactly the gold standard, but Microsoft C7 gives the
expected 1, whereas AvrGcc gives 0, So could be a gcc bug.


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