>
> When compiling the following the code with gcc 4.1.1 without
> optimization, the output is wrong.
>
> gcc -v is
>
> Using built-in specs.
> Target: i686-pc-linux-gnu
> Configured with: ./configure --prefix=/home/jb/local
> Thread model: posix
> gcc version 4.1.1
>
> <=====code=====>
>
> #include<stdio.h>
>
> int main()
> {
> int b[2] = {3, 5};
>
> b[0] ^= b[1] ^= b[0] ^= b[1];There is no sequence point between the assignments of b[0] so the behavior is undefined. -- Pinski
