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  • Francois-Rene Rideau's avatar
    Stop fmakunbound'ing defgeneric's past the upgrade trigger · 8e0ec0e9
    Francois-Rene Rideau authored
    If we fmakunbound a defgeneric, we lose any user-defined method on the function
    and must therefore reload any and every system that might have defined methods
    on it. We must therefore not fmakunbound past the forward compatibility upgrade
    trigger, only before. Adjust our code accordingly. Conservative bounds are used
    in *oldest-forward-compatible-asdf-version* and redefined-functions that should
    probably be refined after some inspection of old versions.
    This is a response to