Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/constexpr-ex2.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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// { 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|array" } ambiguous conversion