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view gcc/testsuite/g++.dg/cpp2a/is-constant-evaluated3.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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// P0595R1 // { dg-do run { target c++14 } } struct false_type { static constexpr bool value = false; }; struct true_type { static constexpr bool value = true; }; template<class T, class U> struct is_same : false_type {}; template<class T> struct is_same<T, T> : true_type {}; int a[__builtin_is_constant_evaluated () ? 1 : 2]; int b[1]; static_assert (is_same<decltype (a), decltype (b)>::value, ""); int main () { int c[__builtin_is_constant_evaluated () ? 3 : 4]; int d[3]; static_assert (is_same<decltype (c), decltype (d)>::value, ""); int (*e)[7][9] = new int[__builtin_is_constant_evaluated () ? -1 : 5] [__builtin_is_constant_evaluated () ? 7 : 8] [__builtin_is_constant_evaluated () ? 9 : 10]; e[0][0][0] = 6; delete[] e; }