Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/constexpr-ex2.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
line wrap: on
line source
// { dg-do compile { target c++11 } } // From N2235 // 4.5.3 constant expressions // p 4 struct A { constexpr A(int i) : val(i) { } constexpr operator int() const { return val; } constexpr operator long() const { return -1; } private: int val; }; template<int I> struct X { static const int i = I; }; constexpr A a = 42; X<a> x; // OK: unique conversion to int int ar[X<a>::i]; // also OK int ary[a]; // { dg-error "could not convert" } ambiguous conversion // { dg-error "9:size of array .ary. has non-integral" "" { target c++11 } .-1 }