• Ian Lynagh's avatar
    Use an extensible-exceptions package when bootstrapping · 1f3a7730
    Ian Lynagh authored
    Ifdefs for whether we had extensible exceptions or not were spreading
    through GHC's source, and things would only have got worse for the next
    2-3 years, so instead we now use an implementation of extensible
    exceptions built on top of the old exception type.