Help with bit-field semantics in C and C++

[Mike Stump]

On Tuesday, August 24, 2004, at 05:56  PM, Gabriel Dos Reis wrote:
> | The above program violates no rules of C++.  The value printed is
> | either specified, or unspecified.  Which do you think it is, and if
> | specified, which value is printed?
>
> you forgot the option implementation-defined, which actually is the
> case here.

Ok, you say implementation-defined, now cite the rule that makes this 
so.