44 lines · cpp
1// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify2 3// Crash due to a double-free4 5template<typename _Tp> struct __add_lvalue_reference_helper {};6template<typename _Tp> struct add_lvalue_reference : __add_lvalue_reference_helper<_Tp> {7 typedef _Tp type;8};9 10template<typename... Types> struct type_list;11template<typename , template<typename> class... Funs> struct C;12 13template<typename T> struct C<T> {14 typedef T type;15};16 17template<typename T, template<typename> class Fun0, template<typename> class... Funs> struct C<T, Fun0, Funs...> {18 typedef typename C<typename Fun0<T>::type, Funs...>::type type;19};20 21template<class , template<typename> class... Funs> struct tl_map;22template<typename... Ts, template<typename> class... Funs> struct tl_map<type_list<Ts...>, Funs...> {23 typedef type_list<typename C<Ts, Funs...>::type...> type;24};25 26template< class Pattern> struct F {27 typedef Pattern filtered_pattern;28 tl_map< filtered_pattern, add_lvalue_reference > type;29};30 31template<class, class Pattern> struct get_case {32 F<Pattern> type;33};34 35template<class Pattern> struct rvalue_builder {36 template<typename Expr> typename get_case<Expr, Pattern>::type operator>>(Expr ); // expected-note {{candidate template ignored}}37};38 39template<typename Arg0> rvalue_builder< type_list<Arg0> > on(const Arg0& ) ;40 41class Z {42 int empty = on(0) >> [] {}; // expected-error {{invalid operands to binary expression}}43};44