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150
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1 // RUN: %clang_cc1 -pedantic-errors -fblocks -std=c++1y -emit-pch %s -o %t-cxx1y
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2 // RUN: %clang_cc1 -ast-print -pedantic-errors -fblocks -std=c++1y -include-pch %t-cxx1y %s | FileCheck -check-prefix=CHECK-PRINT %s
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3
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4 #ifndef HEADER_INCLUDED
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5
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6 #define HEADER_INCLUDED
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7 template<typename T>
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8 T add_slowly(const T& x, const T &y) {
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9 return [](auto z, int y = 0) { return z + y; }(5);
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10 };
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11
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12 inline int add_int_slowly_twice(int x, int y) {
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13 int i = add_slowly(x, y);
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14 auto lambda = [](auto z) { return z + z; };
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15 return i + lambda(y);
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16 }
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17
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18 inline int sum_array(int n) {
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19 auto lambda = [](auto N) -> int {
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20 int sum = 0;
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21 int array[5] = { 1, 2, 3, 4, 5};
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22
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23 for (unsigned I = 0; I < N; ++I)
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24 sum += array[N];
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25 return sum;
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26 };
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27
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28 return lambda(n);
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29 }
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30
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31 inline int to_block_pointer(int n) {
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32 auto lambda = [=](int m) { return n + m; };
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33 int (^block)(int) = lambda;
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34 return block(17);
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35 }
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36
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37 template<typename T>
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38 int init_capture(T t) {
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39 return [&, x(t)] { return sizeof(x); };
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40 }
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41
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207
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42 auto with_pack = [](auto ...xs){};
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43
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150
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44 #else
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45
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46 // CHECK-PRINT: T add_slowly
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47 // CHECK-PRINT: return []
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48 template float add_slowly(const float&, const float&);
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49
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50 int add(int x, int y) {
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51 return add_int_slowly_twice(x, y) + sum_array(4) + to_block_pointer(5);
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52 }
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53
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54 // CHECK-PRINT: inline int add_int_slowly_twice
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55 // CHECK-PRINT: lambda = [](auto z
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56
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57 // CHECK-PRINT: init_capture
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58 // CHECK-PRINT: [&, x(t)]
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59
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207
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60 void use_with_pack() { with_pack(1, 2, 3); }
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61
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150
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62 #endif
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