for(int i = 0; i < 10000000; )
    {
        volatile ++i;
    }

is legal

    for(int i = 0; i < 10000000;   volatile ++i)
    {
    }

is not

"The Dr ... who?" <matthew.hat@stlsoft.dot.org> wrote in message news:cae9ab$12md$1@digitaldaemon.com...
>     for(int i = 0; i < 10000000; )
>     {
>         volatile ++i;
>     }
>
> is legal
>
>     for(int i = 0; i < 10000000;   volatile ++i)
>     {
>     }
>
> is not

That's correct. Volatile is the start of a statement, the third part of a for statement is an expression, not a statement.