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1 // RUN: %clang_cc1 -fsyntax-only %s
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2
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3 template<unsigned I>
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4 struct FibonacciEval;
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5
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6 template<unsigned I>
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7 struct Fibonacci {
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8 enum { value = FibonacciEval<I-1>::value + FibonacciEval<I-2>::value };
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9 };
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10
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11 template<unsigned I>
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12 struct FibonacciEval {
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13 enum { value = Fibonacci<I>::value };
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14 };
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15
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16 template<> struct Fibonacci<0> {
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17 enum { value = 0 };
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18 };
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19
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20 template<> struct Fibonacci<1> {
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21 enum { value = 1 };
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22 };
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23
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24 int array5[Fibonacci<5>::value == 5? 1 : -1];
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25 int array10[Fibonacci<10>::value == 55? 1 : -1];
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26
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27 template<unsigned I>
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28 struct FibonacciEval2;
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29
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30 template<unsigned I>
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31 struct Fibonacci2 {
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32 static const unsigned value
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33 = FibonacciEval2<I-1>::value + FibonacciEval2<I-2>::value;
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34 };
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35
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36 template<unsigned I>
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37 struct FibonacciEval2 {
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38 static const unsigned value = Fibonacci2<I>::value;
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39 };
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40
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41 template<> struct Fibonacci2<0> {
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42 static const unsigned value = 0;
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43 };
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44
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45 template<> struct Fibonacci2<1> {
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46 static const unsigned value = 1;
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47 };
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48
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49 int array5_2[Fibonacci2<5>::value == 5? 1 : -1];
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50 int array10_2[Fibonacci2<10>::value == 55? 1 : -1];
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51
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52 template<unsigned I>
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53 struct Fibonacci3 {
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54 static const unsigned value = Fibonacci3<I-1>::value + Fibonacci3<I-2>::value;
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55 };
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56
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57 template<> struct Fibonacci3<0> {
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58 static const unsigned value = 0;
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59 };
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60
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61 template<> struct Fibonacci3<1> {
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62 static const unsigned value = 1;
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63 };
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64
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65 int array5_3[Fibonacci3<5>::value == 5? 1 : -1];
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66 int array10_3[Fibonacci3<10>::value == 55? 1 : -1];
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