re PR c++/69095 (internal compiler error: in dependent_type_p, at cp/pt.c:19399)

/cp
2016-05-22  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/69095
	* parser.c (cp_parser_default_argument): Call
	check_for_bare_parameter_packs.
	(cp_parser_late_parsing_default_args): Likewise.

/testsuite
2016-05-22  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/69095
	* g++.dg/cpp0x/variadic168.C: New.

From-SVN: r236610

gcc/cp/ChangeLog

 2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>
 
+	PR c++/69095
+	* parser.c (cp_parser_initializer): Use check_for_bare_parameter_packs.
+
+2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>
+
 	* pt.c (check_for_bare_parameter_packs): Improve error message
 	location for expressions.
 

gcc/cp/parser.c

@@ -20800,6 +20800,9 @@ cp_parser_initializer (cp_parser* parser, bool* is_direct_init,
       init = error_mark_node;
     }
 
+  if (check_for_bare_parameter_packs (init))
+    init = error_mark_node;
+
   return init;
 }
 

gcc/testsuite/ChangeLog

 2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>
 
+	PR c++/69095
+	* g++.dg/cpp0x/variadic168.C: New.
+
+2016-05-23  Paolo Carlini  <paolo.carlini@oracle.com>
+
 	* g++.dg/cpp0x/pr31445.C: Test column number too.
 	* g++.dg/cpp0x/pr32253.C: Likewise.
 	* g++.dg/cpp0x/variadic-ex13.C: Likewise.

gcc/testsuite/g++.dg/cpp0x/variadic168.C

+// PR c++/69095
+// { dg-do compile { target c++11 } }
+
+struct B1 {
+  template <typename Ret, typename... Args, unsigned = sizeof(Args)> // { dg-error "parameter packs not expanded" }
+  void insert(Ret);
+};
+
+struct B2 {
+  template <typename Ret, typename... Args>
+  void insert(Ret, unsigned = sizeof(Args)); // { dg-error "parameter packs not expanded" }
+};
+
+template <typename Ret, typename... Args, unsigned = sizeof(Args)> // { dg-error "parameter packs not expanded" }
+void insert1(Ret);
+
+template <typename Ret, typename... Args>
+void insert2(Ret, unsigned = sizeof(Args)); // { dg-error "parameter packs not expanded" }