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| author | Bernhard Schommer <bernhardschommer@gmail.com> | 2015-07-14 15:38:15 +0200 |
|---|---|---|
| committer | Bernhard Schommer <bernhardschommer@gmail.com> | 2015-07-14 15:38:15 +0200 |
| commit | c51f48cc760389a67a729b7b977502eb21c33e50 (patch) | |
| tree | f11bceba90bb3747ceed236433de28933642f00e /cparser | |
| parent | f995a671ceb28c2a83e5e5574c3cdb46fd5e0f57 (diff) | |
| download | compcert-c51f48cc760389a67a729b7b977502eb21c33e50.tar.gz compcert-c51f48cc760389a67a729b7b977502eb21c33e50.zip | |
Reject incomplete types as return type.
Diffstat (limited to 'cparser')
| -rw-r--r-- | cparser/Elab.ml | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/cparser/Elab.ml b/cparser/Elab.ml index 9ff7823f..de24871f 100644 --- a/cparser/Elab.ml +++ b/cparser/Elab.ml @@ -1884,7 +1884,10 @@ let elab_fundef env spec name body loc = (* Extract info from type *) let (ty_ret, params, vararg, attr) = match ty with - | TFun(ty_ret, Some params, vararg, attr) -> (ty_ret, params, vararg, attr) + | TFun(ty_ret, Some params, vararg, attr) -> + if wrap incomplete_type loc env1 ty_ret && not (is_void_type env ty_ret) then + fatal_error loc "return type is an incomplete type"; + (ty_ret, params, vararg, attr) | _ -> fatal_error loc "wrong type for function definition" in (* Enter function in the environment, for recursive references *) let (fun_id, sto1, env1,ty) = enter_or_refine_ident false loc env1 s sto ty in |