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-rw-r--r--gcc-4.9/gcc/testsuite/g++.dg/cpp0x/variadic105.C25
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/variadic105.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/variadic105.C
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index 0000000..4ba384c
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/variadic105.C
@@ -0,0 +1,25 @@
+// PR c++/47289
+// { dg-do compile { target c++11 } }
+// { dg-prune-output "note" }
+
+template <template <typename... __ARGS> class _F, typename... _ARGS>
+auto reverse (_ARGS... args) -> decltype(_F<_ARGS...>::call_function(args...)) {
+ return _F<_ARGS...>::call_function(args...);
+}
+
+template <typename _T>
+_T sum(_T x) { return x; }
+
+template <typename _T, typename... _ARGS>
+_T sum(_T x, _ARGS... args) { return x + sum(args...); }
+
+template <typename _T, typename... _ARGS>
+struct call_sum {
+ static _T call_function(_T x1, _ARGS... args) { return sum(x1, args...); }
+};
+
+int main() {
+ // This shouldn't be an error; this is bug 35722.
+ reverse<call_sum>(1,2); // { dg-bogus "no match" "" }
+ // { dg-bogus "sorry, unimplemented" "candidate explanation" { target *-*-* } 6 }
+}