Check if newVarDecl returns fixed boolean, so that we don't have to defer compilation
Check if newVarDecl returns fixed boolean, so that we don't have to defer compilation

nathanielbaxter/libminizinc,nathanielbaxter/libminizinc,jjdekker/libminizinc,nathanielbaxter/libminizinc,nathanielbaxter/libminizinc,tias/libminizinc,tias/libminizinc,jjdekker/libminizinc,jjdekker/libminizinc,jjdekker/libminizinc