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annotate gcc/testsuite/g++.dg/cpp2a/constexpr-virtual9.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
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131
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1 // P1064R0
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2 // { dg-do compile }
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3 // { dg-options "-std=c++2a" }
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4
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5 struct X1
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6 {
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7 virtual int f() const = 0;
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8 virtual int f(int) const = 0;
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9 virtual int f(int, int) const = 0;
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10 };
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11
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12 struct X2: public X1
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13 {
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14 constexpr virtual int f() const { return 2; }
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15 constexpr virtual int f(int) const { return 12; }
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16 constexpr virtual int f(int, int) const { return 22; }
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17 };
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18
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19 struct X3: public X2
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20 {
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21 virtual int f() const { return 3; }
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22 virtual int f(int) const { return 13; }
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23 virtual int f(int, int) const { return 23; }
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24 };
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25
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26 struct X4: public X3
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27 {
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28 constexpr virtual int f() const { return 4; }
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29 constexpr virtual int f(int) const { return 14; }
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30 constexpr virtual int f(int, int) const { return 24; }
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31 };
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32
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33 constexpr int (X1::*pf)() const = &X1::f;
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34 constexpr int (X1::*pf1)(int) const = &X1::f;
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35 constexpr int (X1::*pf2)(int, int) const = &X1::f;
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36
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37 constexpr X2 x2;
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38 static_assert(x2.f() == 2);
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39 static_assert((x2.*pf)() == 2);
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40 static_assert(x2.f(1) == 12);
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41 static_assert((x2.*pf1)(1) == 12);
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42 static_assert(x2.f(1, 2) == 22);
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43 static_assert((x2.*pf2)(1, 2) == 22);
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44
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45 constexpr X1 const& r2 = x2;
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46 static_assert(r2.f() == 2);
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47 static_assert((r2.*pf)() == 2);
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48 static_assert(r2.f(1) == 12);
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49 static_assert((r2.*pf1)(1) == 12);
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50 static_assert(r2.f(1, 2) == 22);
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51 static_assert((r2.*pf2)(1, 2) == 22);
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52
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53 constexpr X1 const* p2 = &x2;
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54 static_assert(p2->f() == 2);
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55 static_assert((p2->*pf)() == 2);
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56 static_assert(p2->f(1) == 12);
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57 static_assert((p2->*pf1)(1) == 12);
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58 static_assert(p2->f(1, 2) == 22);
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59 static_assert((p2->*pf2)(1, 2) == 22);
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60
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61 constexpr X4 x4;
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62 static_assert(x4.f() == 4);
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63 static_assert((x4.*pf)() == 4);
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64 static_assert(x4.f(1) == 14);
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65 static_assert((x4.*pf1)(1) == 14);
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66 static_assert(x4.f(1, 2) == 24);
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67 static_assert((x4.*pf2)(1, 2) == 24);
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68
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69 constexpr X1 const& r4 = x4;
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70 static_assert(r4.f() == 4);
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71 static_assert((r4.*pf)() == 4);
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72 static_assert(r4.f(1) == 14);
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73 static_assert((r4.*pf1)(1) == 14);
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74 static_assert(r4.f(1, 2) == 24);
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75 static_assert((r4.*pf2)(1, 2) == 24);
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76
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77 constexpr X1 const* p4 = &x4;
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78 static_assert(p4->f() == 4);
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79 static_assert((p4->*pf)() == 4);
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80 static_assert(p4->f(1) == 14);
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81 static_assert((p4->*pf1)(1) == 14);
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82 static_assert(p4->f(1, 2) == 24);
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83 static_assert((p4->*pf2)(1, 2) == 24);