File: constexpr-non-const-arg3.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 (22 lines) | stat: -rw-r--r-- 346 bytes parent folder | download | duplicates (10) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
// PR c++/49988
// { dg-do run { target c++11 } }

template<int ... I> struct X { };

struct A {
  char data[3];
  template<int ... I>
    constexpr
    A(const char (&s)[3], X<I...> x) : data{ s[I]...} { }
};
struct B {
  A a;
  B(const char (&s)[3]) : a{s,X<0,1,2>{}} { }
};

int main()
{
  B b{"12"};
  if (b.a.data[0] != '1')
    return 1;
}