File: pr79118.C

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (42 lines) | stat: -rw-r--r-- 987 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
// { dg-do compile { target c++11 } }
// { dg-additional-options { -Wno-pedantic } }
// PR c++/79118 failure to check initialization of anonymous members.

struct One
{
  union
  {
    int a;
    int b;
  };

  constexpr One () : a(), b() {} // { dg-error "multiple" }
  constexpr One (int) : a() {}
  constexpr One (unsigned) : b () {}
  constexpr One (void *) {} // { dg-error "exactly one" "" { target c++17_down } }
};

One a ();
One b (0);
One c (0u);
One d ((void *)0);

struct Two
{
  struct
  {
    int a;
    int b;
  };

  constexpr Two () : a(), b() {}
  constexpr Two (int) : a() {} // { dg-error "b' must be initialized" "" { target c++17_down } }
  constexpr Two (unsigned) : b () {} // { dg-error "a' must be initialized" "" { target c++17_down } }
  constexpr Two (void *) {} // { dg-error "a' must be initialized" "" { target c++17_down } }
   // { dg-error "b' must be initialized" "" { target c++17_down } .-1 }
};

Two e ();
Two f (0);
Two g (0u);
Two h ((void *)0);