method vglob_aux = function
| GCompTag(compinfo,_loc)
| GCompTagDecl(compinfo,_loc) ->
add_type (TComp(compinfo,empty_size_cache (),[]));
SkipChildren
| GVarDecl _ | GVar _ | GFun _ | GAnnot _ | GType _
| GEnumTagDecl _ | GEnumTag _ | GAsm _ | GPragma _ | GText _ ->
DoChildren