Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/addressof2.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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// LWG2296 - addressof should be constexpr // { dg-do compile { target c++11 } } template <typename T> constexpr inline T * addressof (T &x) noexcept { return __builtin_addressof (x); } auto a = __builtin_addressof (1); // { dg-error "lvalue required as unary" } auto b = addressof (1); // { dg-error "cannot bind non-const lvalue reference of type" } struct S { int s : 5; int t; void foo (); } s; auto c = __builtin_addressof (s); auto d = addressof (s); auto e = __builtin_addressof (s.s); // { dg-error "attempt to take address of bit-field" } auto f = addressof (s.s); // { dg-error "cannot bind bitfield" } auto g = __builtin_addressof (S{}); // { dg-error "taking address of rvalue" } auto h = addressof (S{}); // { dg-error "cannot bind non-const lvalue reference of type" } auto i = __builtin_addressof (S::t); // { dg-error "invalid use of non-static data member" } auto j = __builtin_addressof (S::foo); // { dg-error "invalid use of non-static member function" } void foo (bool b) { lab:; char c; long long int d; auto k = __builtin_addressof (lab); // { dg-error "was not declared in this scope" } auto l = __builtin_addressof (b ? c : d); // { dg-error "lvalue required as unary" } }