re PR c++/59635 ([c++1y] ICE with auto and ... as lambda parameter)

Fix PR c++/59635

	PR c++/59635
	* cp/lambda.c (maybe_add_lambda_conv_op): Handle marking conversion
	function as unimplemented for generic lambdas with varargs.

	* g++.dg/cpp1y/pr59635.C: New testcase.

From-SVN: r206368

gcc/cp/ChangeLog

+2014-01-06  Adam Butcher  <adam@jessamine.co.uk>
+
+	PR c++/59635
+	* cp/lambda.c (maybe_add_lambda_conv_op): Handle marking conversion
+	function as unimplemented for generic lambdas with varargs.
+
 2014-01-03  Marc Glisse  <marc.glisse@inria.fr>
 
 	PR c++/58950

gcc/cp/lambda.c

@@ -970,7 +970,7 @@ maybe_add_lambda_conv_op (tree type)
      the conversion op is used.  */
   if (varargs_function_p (callop))
     {
-      DECL_DELETED_FN (fn) = 1;
+      DECL_DELETED_FN (STRIP_TEMPLATE (fn)) = 1;
       return;
     }
 

gcc/testsuite/ChangeLog

+2014-01-06  Adam Butcher  <adam@jessamine.co.uk>
+
+	PR c++/59635
+	* g++.dg/cpp1y/pr59635.C: New testcase.
+
 2014-01-06  Martin Jambor  <mjambor@suse.cz>
 
 	PR ipa/59008

gcc/testsuite/g++.dg/cpp1y/pr59635.C

+// { dg-do compile }
+// { dg-options "-std=c++1y" }
+
+// PR c++/59635
+
+auto f = [] (auto, ...) { return 0; };
+
+int (*p) (int, ...) = f;  // { dg-message "unimplemented" }
+