add todo to julia_error

Author: vchuravy

src/errors.jl

@@ -965,6 +965,7 @@ end
             ) #=error=#
             world = enzyme_extract_world(f)
         end
+        # TODO(vchuravy)
         # what is data?
         # Can we get world here?
         # @assert world == enzyme_context(gutils).world