re PR c++/49593 ([C++0x] cannot use T{t}... as pack expansion)

	PR c++/49593
	* pt.c (find_parameter_packs_r): Handle CONSTRUCTOR.

From-SVN: r177214

gcc/cp/ChangeLog

 2011-08-02  Jason Merrill  <jason@redhat.com>
 
+	PR c++/49593
+	* pt.c (find_parameter_packs_r): Handle CONSTRUCTOR.
+
 	PR c++/49803
 	* init.c (sort_mem_initializers): Initialize uses_unions_p here.
 	(build_field_list): Not here.

gcc/cp/pt.c

@@ -3025,6 +3025,7 @@ find_parameter_packs_r (tree *tp, int *walk_subtrees, void* data)
       *walk_subtrees = 0;
       return NULL_TREE;
 
+    case CONSTRUCTOR:
     case TEMPLATE_DECL:
       cp_walk_tree (&TREE_TYPE (t),
 		    &find_parameter_packs_r, ppd, ppd->visited);

gcc/testsuite/ChangeLog

 2011-08-02  Jason Merrill  <jason@redhat.com>
 
+	PR c++/49593
+	* g++.dg/cpp0x/variadic115.C: New.
+
 	PR c++/49803
 	* g++.dg/cpp0x/union5.C: New.
 

gcc/testsuite/g++.dg/cpp0x/variadic115.C

+// PR c++/49593
+// { dg-options -std=c++0x }
+
+template<typename... T> void f(T...) { }
+
+template<typename... Args>
+static void
+g(Args&&... args)
+{
+  f( static_cast<Args>(args)... );
+  f( (Args)args... );
+  f( Args(args)... );
+  f( Args{args}... );
+}
+
+int main()
+{
+  g(1, '2', 3.0);
+}