1 // PR c++/57419
2 // { dg-do compile { target c++11 } }
3 
4 template< typename q >
t(q)5 decltype( &q::f ) t( q ) {}
6 
t(...)7 char t( ... ) { return {}; }
8 
9 class c { void f() = delete; };
10 class d { static void f() = delete; };
11 
12 static_assert( sizeof( t( c() ) ), "c" );
13 static_assert( sizeof( t( d() ) ), "d" );
14