[cvs-nhc98] patch applied (yhc): Fix Yhc.Core.Reachable. Could discard a useful data type if the constructors were only used in pattern matches (i.e. in PatCon but never CoreCon)

Wed Nov 28 17:02:30 PST 2007 Neil Mitchell * Fix Yhc.Core.Reachable. Could discard a useful data type if the constructors were only used in pattern matches (i.e. in PatCon but never CoreCon) M ./src/libraries/core/Yhc/Core/Reachable.hs -2 +3