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view gcc/testsuite/g++.dg/cpp1y/pr77830.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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// 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 " } }