Re: Arithmetic expression: evaluation order bug

[Andreas Schwab]

On Dez 29 2022, Alain D D Williams wrote:

> On Thu, Dec 29, 2022 at 10:30:09PM +0100, Steffen Nurpmeso wrote:
>
>> only clang warns on sequencing when tested.
>
> Ah: so only clang gives the warning that the others should probably give.

$ gcc -Wall t.c
t.c: In function ‘main’:
t.c:7:11: warning: operation on ‘i’ may be undefined [-Wsequence-point]
         i += j += i += j;
           ^~
t.c:11:11: warning: operation on ‘i’ may be undefined [-Wsequence-point]
         i += j += i += i;
           ^~

-- 
Andreas Schwab, schwab@linux-m68k.org
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