Re:X += x++
by znull on Sunday September 27, 2009 @01:54PM
(#847054)
$ cat foo.c
#include <stdio.h>
int main(int ac, char av)
{
int x = 3;
x = x + x++;
printf("x = %d\n", x);
return 0;
}
$ make foo CFLAGS=-Wall
cc -Wall foo.c -o foo
foo.c: In function ‘main’:
foo.c:5: warning: operation on ‘x’ may be undefined
$ ./foo
x = 7
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