1// RUN: not %clang_cc1 -std=c++11 %s 2>&1 | FileCheck %s
2
3// PR11000: Don't crash.
4class tuple<>
5{
6    template <class _Alloc>
7        tuple(allocator_arg_t, const _Alloc&) {}
8
9// CHECK: 6 errors generated.
10