make sure genericMerge nodes have an initial value
make sure genericMerge nodes have an initial value

rick68/core,isaacsanders/core,Pisys/core,martinos/core,simonh1000/core,bradurani/core,bradurani/core,eeue56/core,eeue56/core,vilterp/core,rgrempel/core,ThomasWeiser/core,martinos/core,colinmccabe/core,suryagaddipati/core,laszlopandy/core,Dandandan/core,Pisys/core,colinmccabe/core,simonh1000/core,vilterp/core,rgrempel/core,isaacsanders/core,alexiamcdonald/elm-core,ThomasWeiser/core,laszlopandy/core,rick68/core,suryagaddipati/core,Dandandan/core,alexiamcdonald/elm-core