Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/template/nontype-array1.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-do compile { target c++11 } } template <char const* STR> class Message { }; extern char const s1[] = "hi"; char const s2[] = "hi"; constexpr char const s3[] = "hi"; // OK since C++11 constexpr char const * f() { return s3; } using fn_p = char const * (*)(); template <fn_p> struct A { }; constexpr fn_p f2() { return f; } struct B { constexpr B() { } constexpr operator const char *() { return s3; } }; int main() { Message<s1> m1; // OK (all versions) Message<s2> m2; // OK for clang since C++14, for gcc since C++17 Message<s3> m3; // OK for clang/gcc since C++11 A<f2()> a1; // { dg-error "7:.f2\\(\\). is not a valid template argument" "" { target c++14_down } } static char const s4[] = "hi"; static constexpr char const s5[] = "hi"; // OK since C++11 Message<s4> m4; // { dg-error "no linkage" "" { target c++14_down } } Message<s5> m5; // { dg-error "no linkage" "" { target c++14_down } } Message<f()> m6; // { dg-error "" "" { target c++14_down } } Message<B{}> m7; // { dg-error "11:could not convert template argument" "" { target c++14_down } } char const s8[] = "hi"; Message<s8> m8; // { dg-error "" } }