Instance CompSpecs : compspecs.Definition Vprog : varspecs.Definition load_acq_spec := DECLARE _load_acq load_acq_spec.Definition store_rel_spec := DECLARE _store_rel store_rel_spec.Definition tnode := Tstruct _node noattr.Definition has_size : {x : Z | x = 8}.Definition size := proj1_sig has_size.

Lemma size_def : size = 8.