Correct test for number of arguments to append.

From-SVN: r168163

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 331238e638eaf9854baffe85be5e33fbc80f0c25..2b602561218daa31eec91dd4256337e96f58cdb9 100644 (file)
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -7382,7 +7382,7 @@ Builtin_call_expression::do_check_types(Gogo*)
     case BUILTIN_APPEND:
       {
        const Expression_list* args = this->args();
-       if (args == NULL || args->empty())
+       if (args == NULL || args->size() < 2)
          {
            this->report_error(_("not enough arguments"));
            break;