## Mercurial > hg > CbC > GCC_original

### annotate gcc/testsuite/g++.dg/cpp1y/pr79937-5.C @ 19:2b5abeee2509 default tip

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update gcc11

author | anatofuz |
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date | Mon, 25 May 2020 07:50:57 +0900 |

parents | |

children |

rev | line source |
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19 | 1 // PR c++/79937 |

2 // This is a constexpr adaptation of pr79937-3.C and pr79937-4.C. | |

3 // { dg-do compile { target c++14 } } | |

4 | |

5 struct X { | |

6 unsigned i; | |

7 unsigned n = i; | |

8 }; | |

9 | |

10 constexpr X bar(X x) { | |

11 return x; | |

12 } | |

13 | |

14 struct Y | |

15 { | |

16 static constexpr Y bar(Y y) { return y; } | |

17 unsigned i; | |

18 unsigned n = bar(Y{2,i}).n; | |

19 }; | |

20 | |

21 constexpr X x { 1, bar(X{2}).n }; | |

22 static_assert(x.n == 2, ""); | |

23 | |

24 constexpr Y y { 1 }; | |

25 static_assert(y.n == 1, ""); | |

26 | |

27 struct Z { | |

28 unsigned i; | |

29 unsigned n = i; | |

30 unsigned m = i; | |

31 }; | |

32 | |

33 constexpr Z | |

34 baz (Z z) | |

35 { | |

36 if (z.i != 1 || z.n != 2 || z.m != 1) | |

37 __builtin_abort (); | |

38 return z; | |

39 } | |

40 | |

41 constexpr Z z = baz (Z {1, Z {2}.n}); | |

42 static_assert(z.i == 1 && z.n == 2 && z.m == 1, ""); |