diff --git a/src/comp/front/ast.rs b/src/comp/front/ast.rs
index 88b7fc78345..f4e5e5e1c80 100644
--- a/src/comp/front/ast.rs
+++ b/src/comp/front/ast.rs
@@ -199,10 +199,10 @@ type _fn = rec(effect effect,
                block body);
 
 
-type method_ = rec(ident ident, _fn meth, def_id id);
+type method_ = rec(ident ident, _fn meth, def_id id, ann ann);
 type method = spanned[method_];
 
-type obj_field = rec(@ty ty, ident ident, def_id id);
+type obj_field = rec(@ty ty, ident ident, def_id id, ann ann);
 type _obj = rec(vec[obj_field] fields,
                 vec[@method] methods);
 
diff --git a/src/comp/front/parser.rs b/src/comp/front/parser.rs
index 3eacb5f99ee..cd4ef3e171b 100644
--- a/src/comp/front/parser.rs
+++ b/src/comp/front/parser.rs
@@ -1285,7 +1285,7 @@ impure fn parse_item_fn(parser p, ast.effect eff) -> @ast.item {
 impure fn parse_obj_field(parser p) -> ast.obj_field {
     auto ty = parse_ty(p);
     auto ident = parse_ident(p);
-    ret rec(ty=ty, ident=ident, id=p.next_def_id());
+    ret rec(ty=ty, ident=ident, id=p.next_def_id(), ann=ast.ann_none);
 }
 
 impure fn parse_method(parser p) -> @ast.method {
@@ -1294,7 +1294,8 @@ impure fn parse_method(parser p) -> @ast.method {
     expect(p, token.FN);
     auto ident = parse_ident(p);
     auto f = parse_fn(p, eff);
-    auto meth = rec(ident = ident, meth = f, id = p.next_def_id());
+    auto meth = rec(ident=ident, meth=f,
+                    id=p.next_def_id(), ann=ast.ann_none);
     ret @spanned(lo, f.body.span, meth);
 }
 
diff --git a/src/comp/middle/trans.rs b/src/comp/middle/trans.rs
index 8b094ffcca8..e822567777e 100644
--- a/src/comp/middle/trans.rs
+++ b/src/comp/middle/trans.rs
@@ -2307,6 +2307,15 @@ impure fn trans_fn(@crate_ctxt cx, &ast._fn f, ast.def_id fid,
     }
 }
 
+impure fn trans_vtbl(@crate_ctxt cx, &ast._obj ob) -> ValueRef {
+    let vec[ValueRef] methods = vec();
+    for (@ast.method m in ob.methods) {
+        trans_fn(cx, m.node.meth, m.node.id, m.node.ann);
+        methods += cx.item_ids.get(m.node.id);
+    }
+    ret C_struct(methods);
+}
+
 fn trans_obj(@crate_ctxt cx, &ast._obj ob, ast.def_id oid,
              &ast.ann ann) {