Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp1z/decomp4.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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// { dg-do compile { target c++11 } } // { dg-options "" } struct A { int a; struct { int b; }; }; struct B { int a; union { int c; long d; }; }; struct C { int a; private: int b; }; struct D { int a; private: static int b; }; struct E { protected: int a; }; struct F { int a; }; struct G : public F { int b; }; struct H { int b; }; struct I : public F, H {}; void test (A &a, B &b, C &c, D &d, E &e, F &f, G &g, H &h, I &i) { auto [ j ] = a; // { dg-error "cannot decompose class type 'A' because it has an anonymous struct member" } // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 } auto [ k ] { b }; // { dg-error "cannot decompose class type 'B' because it has an anonymous union member" } // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 } auto [ l, l2 ] = c; // { dg-error "cannot decompose inaccessible member 'C::b' of 'C'" } // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 } auto [ m ] = d; // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } } auto [ n ] { e }; // { dg-error "cannot decompose inaccessible member 'E::a' of 'E'" } // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 } auto [ o ] { f }; // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } } auto & [ p ] { g }; // { dg-error "cannot decompose class type 'G': both it and its base class 'F' have non-static data members" } // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 } auto [ q ] { h }; // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } } auto [ r ] { i }; // { dg-error "cannot decompose class type 'I': its base classes 'F' and 'H' have non-static data members" } // { dg-warning "structured bindings only available with '-std=c..17' or '-std=gnu..17'" "" { target c++14_down } .-1 } }