| // PR c++/77830 |
| // { dg-do compile { target c++14 } } |
| |
| template <int N> |
| struct P |
| { |
| char arr[N][1]; |
| constexpr void foo (const char *, int); |
| }; |
| |
| template <int N> |
| constexpr void |
| P<N>::foo (const char *, int i) |
| { |
| for (auto j = 0; j < 2; ++j) |
| arr[i][j] = true; // { dg-error "outside the bounds of array type" } |
| } |
| |
| template <typename... T> |
| constexpr auto |
| bar (T... a) |
| { |
| const char *s[]{a...}; |
| P<sizeof...(a)> p{}; |
| for (auto i = 0; i < sizeof...(a); ++i) |
| p.foo (s[i], i); // { dg-message "in .constexpr. expansion of " } |
| return p; |
| } |
| |
| int |
| main () |
| { |
| constexpr auto a = bar ("", ""); // { dg-message "in .constexpr. expansion of " } |
| } |
