File: literal-type1.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 (54 lines) | stat: -rw-r--r-- 754 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
43
44
45
46
47
48
49
50
51
52
53
54
 
// CWG 2096 - constraints on literal unions.
// { dg-do compile { target c++11 } }

struct literal { };
typedef volatile int nonliteral_v;
struct nonliteral {
  nonliteral() {}
};

union U {
  literal l;
  nonliteral n;

  constexpr U() : l{} {}
};

constexpr U u{};

union U2 {
  nonliteral n;
  literal l;

  constexpr U2() : l{} {}
};

constexpr U2 u2{};

union U3 { // { dg-message "not literal" }
  nonliteral_v n; // { dg-message "volatile type" }

  constexpr U3() : n{} {}
};

constexpr U3 u3{}; // { dg-error "not literal" }

union U4 {
  nonliteral n;
  nonliteral_v n2;
  literal l;
  nonliteral n3;

  constexpr U4() : l{} {}
};

constexpr U4 u4{};

union U5 {
  nonliteral_v n;
  literal l;

  constexpr U5() : n{} {}
};

constexpr U5 u5{};