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annotate gcc/testsuite/g++.dg/cpp2a/constexpr-virtual4.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 f1() const = 0;
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8 virtual int f2() const = 0;
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9 virtual int f3() 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 f1() const { return 21; }
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15 constexpr virtual int f2() const { return 22; }
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16 constexpr virtual int f3() const { return 23; }
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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 f1() const { return 31; }
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22 virtual int f2() const { return 32; }
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23 virtual int f3() const { return 33; }
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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 f1() const { return 41; }
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29 constexpr virtual int f2() const { return 42; }
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30 constexpr virtual int f3() const { return 43; }
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31 };
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32
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33 constexpr int (X1::*pf)() const = &X1::f2;
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34
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35 constexpr X2 x2;
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36 static_assert(x2.f2() == 22);
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37 static_assert((x2.*pf)() == 22);
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38
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39 constexpr X1 const& r2 = x2;
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40 static_assert(r2.f2() == 22);
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41 static_assert((r2.*pf)() == 22);
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42
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43 constexpr X1 const* p2 = &x2;
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44 static_assert(p2->f2() == 22);
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45 static_assert((p2->*pf)() == 22);
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46
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47 constexpr X4 x4;
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48 static_assert(x4.f2() == 42);
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49 static_assert((x4.*pf)() == 42);
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50
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51 constexpr X1 const& r4 = x4;
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52 static_assert(r4.f2() == 42);
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53 static_assert((r4.*pf)() == 42);
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54
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55 constexpr X1 const* p4 = &x4;
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56 static_assert(p4->f2() == 42);
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57 static_assert((p4->*pf)() == 42);