1// RUN: %clang_cc1 -pedantic-errors -fblocks -std=c++1y -emit-pch %s -o %t-cxx1y
2// RUN: %clang_cc1 -ast-print -pedantic-errors -fblocks -std=c++1y -include-pch %t-cxx1y  %s | FileCheck -check-prefix=CHECK-PRINT %s
3
4#ifndef HEADER_INCLUDED
5
6#define HEADER_INCLUDED
7template<typename T>
8T add_slowly(const T& x, const T &y) {
9  return [](auto z, int y = 0) { return z + y; }(5);
10};
11
12inline int add_int_slowly_twice(int x, int y) {
13  int i = add_slowly(x, y);
14  auto lambda = [](auto z) { return z + z; };
15  return i + lambda(y);
16}
17
18inline int sum_array(int n) {
19  auto lambda = [](auto N) -> int {
20    int sum = 0;
21    int array[5] = { 1, 2, 3, 4, 5};
22  
23    for (unsigned I = 0; I < N; ++I)
24      sum += array[N];
25    return sum;
26  };
27
28  return lambda(n);
29}
30
31inline int to_block_pointer(int n) {
32  auto lambda = [=](int m) { return n + m; };
33  int (^block)(int) = lambda;
34  return block(17);
35}
36
37template<typename T>
38int init_capture(T t) {
39  return [&, x(t)] { return sizeof(x); };
40}
41
42#else
43
44// CHECK-PRINT: T add_slowly
45// CHECK-PRINT: return []
46template float add_slowly(const float&, const float&);
47
48int add(int x, int y) {
49  return add_int_slowly_twice(x, y) + sum_array(4) + to_block_pointer(5);
50}
51
52// CHECK-PRINT: inline int add_int_slowly_twice 
53// CHECK-PRINT: lambda = [] ($auto-0-0 z
54
55// CHECK-PRINT: init_capture
56// CHECK-PRINT: [&, x( t )]
57
58#endif
59