Terje Sletteb� <tslettebo@chello.no.nospam> wrote in message
news:<iPDGa.11691$KF1.273533@amstwist00>...

> Anyway, this may be a QoI issue. A compiler could warn if an
> uninitialised variable is read from, and they typically do.

They can't always tell; C++ doesn't distinguish between out and inout
parameters, so if you write:

    extern void f( int& ) ;

    void
    g()
    {
        int i ;
        f( i ) ;            //  Will i be read from before init, or not?
        //  ...
    }

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