File: cxx17-inline-variables.cpp

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (29 lines) | stat: -rw-r--r-- 892 bytes parent folder | download | duplicates (26)
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
// RUN: %clang_cc1 -std=c++17 -verify %s
// expected-no-diagnostics
template<bool> struct DominatorTreeBase {
  static constexpr bool IsPostDominator = true;
};
extern template class DominatorTreeBase<false>;
constexpr bool k = DominatorTreeBase<false>::IsPostDominator;

namespace CompleteType {
  template<unsigned N> constexpr int f(const bool (&)[N]) { return 0; }

  template<bool ...V> struct X {
    static constexpr bool arr[] = {V...};
    static constexpr int value = f(arr);
  };

  constexpr int n = X<true>::value;
}

template <typename T> struct A {
  static const int n;
  static const int m;
  constexpr int f() { return n; }
  constexpr int g() { return n; }
};
template <typename T> constexpr int A<T>::n = sizeof(A) + sizeof(T);
template <typename T> inline constexpr int A<T>::m = sizeof(A) + sizeof(T);
static_assert(A<int>().f() == 5);
static_assert(A<int>().g() == 5);