Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/constexpr-diag3.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
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// PR c++/45923 // { dg-do compile { target c++11 } } int f(int); template <class T> constexpr T g(T t) { return f(t); } // { dg-error "f.int" } int main() { constexpr int i = g(1); // { dg-error "g.T" } } // -------------------- struct complex // { dg-message "no .constexpr. constructor" } { complex(double r, double i) : re(r), im(i) { } constexpr double real() const { return re; } // { dg-error "not a literal type" "" { target c++11_only } } double imag() const { return im; } private: double re; double im; }; constexpr complex co1(0, 1); // { dg-error "19:the type .const complex. of .constexpr. variable .co1. is not literal" } constexpr double dd2 = co1.real(); // { dg-error "|in .constexpr. expansion of " } // -------------------- struct base // { dg-message "no .constexpr. constructor" } { int _M_i; base() : _M_i(5) { } }; struct derived : public base // { dg-message "base class" } { constexpr derived(): base() { } // { dg-error "non-.constexpr. function" } }; constexpr derived obj; // { dg-error "not literal" } // -------------------- struct Def { int _M_i; // { dg-message "does not initialize" } constexpr Def() = default; // { dg-error "implicit declaration is not .constexpr." "" { target c++17_down } } }; constexpr Def defobj; // { dg-error "uninitialized" }