X-Git-Url: http://git.sourceforge.jp/view?a=blobdiff_plain;f=gcc%2Fgo%2Fgofrontend%2Fexpressions.cc;h=e3a3ab593ee75e6da7c63378b0656ecc5cf36e74;hb=a87256553df7c2af1590ace3a1b20c74da6af9c1;hp=19ac03e9347e93dffdf2999d7df46b1c2da6da37;hpb=5c13bd80a30775ccf2b81ddd49dcb1b328801c96;p=pf3gnuchains%2Fgcc-fork.git

diff --git a/gcc/go/gofrontend/expressions.cc b/gcc/go/gofrontend/expressions.cc
index 19ac03e9347..e3a3ab593ee 100644
--- a/gcc/go/gofrontend/expressions.cc
+++ b/gcc/go/gofrontend/expressions.cc
@@ -6672,6 +6672,12 @@ Find_call_expression::expression(Expression** pexpr)
 Expression*
 Builtin_call_expression::do_lower(Gogo* gogo, Named_object* function, int)
 {
+  if (this->is_varargs() && this->code_ != BUILTIN_APPEND)
+    {
+      this->report_error(_("invalid use of %<...%> with builtin function"));
+      return Expression::make_error(this->location());
+    }
+
   if (this->code_ == BUILTIN_NEW)
     {
       const Expression_list* args = this->args();