fixup! Add metadata to EagerThunk

Author: jpsamaroo

Project.toml

@@ -8,6 +8,7 @@ Distributed = "8ba89e20-285c-5b6f-9357-94700520ee1b"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MacroTools = "1914dd2f-81c6-5fcd-8719-6d5c9610ff09"
 MemPool = "f9f48841-c794-520a-933b-121f7ba6ed94"
+Mmap = "a63ad114-7e13-5084-954f-fe012c677804"
 PrecompileTools = "aea7be01-6a6a-4083-8856-8a6e6704d82a"
 Profile = "9abbd945-dff8-562f-b5e8-e1ebf5ef1b79"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"

src/submission.jl

@@ -184,8 +184,9 @@ function eager_process_options_submission_to_local(id_map, options::NamedTuple)
     end
 end
 function EagerThunkMetadata(spec::EagerTaskSpec)
+    f = chunktype(spec.f).instance
     arg_types = ntuple(i->chunktype(spec.args[i][2]), length(spec.args))
-    return_type = Base._return_type(spec.f, Base.to_tuple_type(arg_types))
+    return_type = Base._return_type(f, Base.to_tuple_type(arg_types))
     return EagerThunkMetadata(return_type)
 end
 chunktype(t::EagerThunk) = t.metadata.return_type