crash-lambda-12645424.cpp source code [clang_source_code/test/SemaCXX/crash-lambda-12645424.cpp]

1	// RUN: %clang_cc1 -fsyntax-only -std=c++11 %s -verify
2
3	// rdar://12645424, crash due to a double-free
4
5	template<typename _Tp> struct __add_lvalue_reference_helper {};
6	template<typename _Tp> struct add_lvalue_reference : __add_lvalue_reference_helper<_Tp> {
7	typedef _Tp type;
8	};
9
10	template<typename... Types> struct type_list;
11	template<typename , template<typename> class... Funs> struct C;
12
13	template<typename T> struct C<T> {
14	typedef T type;
15	};
16
17	template<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
21	template<class , template<typename> class... Funs> struct tl_map;
22	template<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
26	template< class Pattern> struct F {
27	typedef Pattern filtered_pattern;
28	tl_map< filtered_pattern, add_lvalue_reference > type;
29	};
30
31	template<class, class Pattern> struct get_case {
32	F<Pattern> type;
33	};
34
35	template<class Pattern> struct rvalue_builder {
36	template<typename Expr> typename get_case<Expr, Pattern>::type operator>>(Expr ); // expected-note {{candidate template ignored}}
37	};
38
39	template<typename Arg0> rvalue_builder< type_list<Arg0> > on(const Arg0& ) ;
40
41	class Z {
42	int empty = on(0) >> [] {}; // expected-error {{invalid operands to binary expression}}
43	};
44

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