c++: add fixed test [PR66519]

Fixed by r10-6464.

	PR c++/66519

gcc/testsuite/ChangeLog:

	* g++.dg/cpp0x/variadic-parm2.C: New test.

diff --git a/gcc/testsuite/g++.dg/cpp0x/variadic-parm2.C b/gcc/testsuite/g++.dg/cpp0x/variadic-parm2.C
new file mode 100644 (file)
index 0000000..b061adb
--- /dev/null
+++ b/gcc/testsuite/g++.dg/cpp0x/variadic-parm2.C
@@ -0,0 +1,12 @@
+// PR c++/66519
+// { dg-do compile { target c++11 } }
+
+template<typename F, typename... Tp>
+void a(F f, Tp... args, decltype(f(args...)) = 1) {}
+
+template<typename F, typename... Tp>
+void a(F, Tp...) {}
+
+void b(void) {
+    a([]{});
+}