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| author | Bernhard Schommer <bschommer@users.noreply.github.com> | 2018-04-22 10:09:05 +0200 |
|---|---|---|
| committer | Xavier Leroy <xavierleroy@users.noreply.github.com> | 2018-04-22 11:09:05 +0300 |
| commit | 1106670d8b48ec4883f66b5c43f9e8e7757006e5 (patch) | |
| tree | 9be39ce8e2b082bece43cd16651e452f607e9fba | |
| parent | 90f83fd516f625f21533c7c8d775bf630bbacdb5 (diff) | |
| download | compcert-1106670d8b48ec4883f66b5c43f9e8e7757006e5.tar.gz compcert-1106670d8b48ec4883f66b5c43f9e8e7757006e5.zip | |
Accept empty enum declaration after nonempty enum definition (#87)
Forward declarations of enums are not allowed in C99, however it is possible to
have an empty enum declaration after the enum was defined.
| -rw-r--r-- | cparser/Elab.ml | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/cparser/Elab.ml b/cparser/Elab.ml index f203c777..d5e30d9f 100644 --- a/cparser/Elab.ml +++ b/cparser/Elab.ml @@ -996,7 +996,7 @@ and elab_enum only loc tag optmembers attrs env = let tag = match tag with None -> "" | Some s -> s in match optmembers with | None -> - if only then + if only && not (redef Env.lookup_enum env tag) then fatal_error loc "forward declaration of 'enum %s' is not allowed in ISO C" tag; let (tag', info) = wrap Env.lookup_enum loc env tag in (tag', env) |