1 files changed, 47 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/variadic20.C b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/variadic20.C
new file mode 100644
index 000000000..5b5a23464
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/cpp0x/variadic20.C
@@ -0,0 +1,47 @@
+// { dg-do compile { target c++11 } }
+template<typename T> struct add_pointer;
+template<typename T> struct add_reference;
+
+template<template<class T> class... Metafunctions>
+struct metatuple {
+  static const int value = 0;
+};
+
+template<>
+struct metatuple<add_pointer> {
+  static const int value = 1;
+};
+
+template<template<class T> class Meta>
+struct metatuple<Meta, Meta> { // { dg-error "candidates" }
+  static const int value = 2;
+};
+
+template<template<class T> class... Metafunctions>
+struct metatuple<add_pointer, Metafunctions...> { // { dg-error "" }
+  static const int value = 3;
+};
+
+template<template<class T> class First,
+         template<class T> class... Metafunctions>
+struct metatuple<First, Metafunctions...> { // { dg-error "struct" }
+  static const int value = 4;
+};
+
+template<template<class T> class First,
+         template<class T> class Second,
+         template<class T> class... Metafunctions>
+struct metatuple<First, Second, Metafunctions...> { // { dg-error "struct" }
+  static const int value = 5;
+};
+
+int a0[metatuple<>::value == 0? 1 : -1];
+int a1[metatuple<add_pointer>::value == 1? 1 : -1];
+int a2a[metatuple<add_pointer, add_pointer>::value == 2? 1 : -1]; // { dg-error "ambiguous|array bound" "bound" }
+int a2b[metatuple<add_reference, add_reference>::value == 2? 1 : -1];
+int a3[metatuple<add_pointer, add_reference>::value == 3? 1 : -1]; // { dg-error "ambiguous|array bound" "bound" }
+int a4[metatuple<add_reference>::value == 4? 1 : -1];
+int a5[metatuple<add_reference, add_pointer>::value == 5? 1 : -1];
+
+// { dg-error "incomplete" "incomplete" { target *-*-* } 40 }
+// { dg-error "incomplete" "incomplete" { target *-*-* } 42 }