File: constexpr-ref11.C

package info (click to toggle)
gcc-arm-none-eabi 15%3A8-2019-q3-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 571,828 kB
  • sloc: ansic: 2,937,651; cpp: 881,644; ada: 597,189; makefile: 65,528; asm: 56,499; xml: 46,621; exp: 24,747; sh: 19,684; python: 7,256; pascal: 4,370; awk: 3,497; perl: 2,695; yacc: 316; ml: 285; f90: 234; lex: 198; objc: 194; haskell: 119
file content (26 lines) | stat: -rw-r--r-- 469 bytes parent folder | download | duplicates (6) 
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
 
// PR c++/77598
// { dg-do compile { target c++11 } }

template <typename T>
struct A { static constexpr T a = T (); };
template <typename T>
constexpr T A<T>::a;
struct B
{
  int b;
  constexpr int foo () const { return b; }
  constexpr B (const int &x) : b(x) {};
};
struct C : public B
{
  constexpr C () : B(50) {};
};
struct D : public C
{
};
struct E
{
  static constexpr const auto &e = A<D>::a;
};
constexpr const B &f = E::e;
constexpr const int g = f.foo ();