store.exp failure on i686-linux with newer gcc's

[Nathan Froyd]

On Fri, Sep 04, 2009 at 12:38:23PM -0600, Tom Tromey wrote:
> I see now that read_pieced_value will only be called to fill in a lazy
> value.  So, you are correct, this can't happen for values on the
> history.
> 
> This patch is ok.

Thanks, committed.

-Nathan